COMPOSITE FUNCTIONAL FILM INTERNAL WINDOW SYSTEM

20220298851 · 2022-09-22

    Inventors

    Cpc classification

    International classification

    Abstract

    Provided is an internal window system, including: a plurality of sheet members having different functions; and a window frame body for laminating and holding the plurality of sheet members. The plurality of sheet members may have at least 2 different functions among light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding, visual display function, visual monitor function or visual screen function.

    Claims

    1. An internal window system, comprising: a plurality of sheet members having difference functions; and a window frame body for laminating and holding the plurality of sheet members.

    2. The internal window system according to claim 1, wherein the plurality of sheet members have at least 2 different functions among light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding, visual display function, visual monitor function or visual screen function.

    3. The internal window system according to claim 1, wherein the plurality of sheet members include a film sheet or a panel.

    4. The internal window system according to claim 2, wherein the plurality of sheet members include a film sheet or a panel.

    5. The internal window system according to claim 1, comprising an insulating spacer section, which is provided between the plurality of sheet members, to hold the plurality of sheet members in place on a surface.

    6. The internal window system according to claim 2, comprising an insulating spacer section, which is provided between the plurality of sheet members, to hold the plurality of sheet members in place on a surface.

    7. The internal window system according to claim 1, comprising a plurality of conductive terminal sections connected electrically to the plurality of sheet members.

    8. The internal window system according to claim 2, comprising a plurality of conductive terminal sections connected electrically to the plurality of sheet members.

    9. The internal window system according to claim 5, comprising a plurality of conductive terminal sections connected electrically to the plurality of sheet members.

    10. The internal window system according to claim 1, comprising a gasket fixing structure made of flexible resin, provided in a circumferential section of the window frame body to couple with an external structure.

    11. The internal window system according to claim 2, comprising a gasket fixing structure made of flexible resin, provided in a circumferential section of the window frame body to couple with an external structure.

    12. The internal window system according to claim 1, comprising: a plurality of window frame bodies for laminating and holding the plurality of sheet members; and a L-shaped frame structure section for coupling the plurality of window frame bodies in a corner section of a window frame, wherein the plurality of window frame bodies and the L-shaped frame structure sections are fitted by a concavo-convex structure.

    13. The internal window system according to claim 2, comprising: a plurality of window frame bodies for laminating and holding the plurality of sheet members; and a L-shaped frame structure section for coupling the plurality of window frame bodies in a corner section of a window frame, wherein the plurality of window frame bodies and the L-shaped frame structure sections are fitted by a concavo-convex structure.

    14. The internal window system according to claim 1, comprising a storage section for winding and storing the plurality of sheet members.

    15. The internal window system according to claim 2, comprising a storage section for winding and storing the plurality of sheet members.

    16. The internal window system according to claim 1, comprising: a support coupled and fixed to the window frame body; and a caster, coupled to an underfoot section of the support, for moving the internal window system.

    17. The internal window system according to claim 2, comprising: a support coupled and fixed to the window frame body; and a caster, coupled to an underfoot section of the support, for moving the internal window system.

    18. The internal window system according to claim 1, comprising: an upper receiving frame, which is U-shaped, for sandwiching an upper section of the window frame body; a spring structure body provided between the upper receiving frame and the upper section of the window frame body; and a lower receiving frame, which is U-shaped, for sandwiching a lower section of the window frame body.

    19. The internal window system according to claim 2, comprising: an upper receiving frame, which is U-shaped, for sandwiching an upper section of the window frame body; a spring structure body, provided between the upper receiving frame and the upper section of the window frame body; and a lower receiving frame, which is U-shaped, for sandwiching a lower section of the window frame body.

    20. The internal window system according to claim 1, comprising a gap sealing functional material for sealing a gap between the window frame body and an external structure.

    Description

    BRIEF DESCRIPTION OF THE DRAWINGS

    [0056] FIG. 1 illustrates a schematic cross-sectional view showing a structural image of a composite functional film internal window system according to one embodiment of the present invention.

    [0057] FIG. 2 illustrates a schematic diagram showing an overall image, as a longitudinal section, of the composite functional film internal window system according to one embodiment of the present invention.

    [0058] FIG. 3 illustrates a schematic diagram showing an overall image of the composite functional film internal window system according to one embodiment of the present invention.

    [0059] FIG. 4 illustrates a schematic diagram showing an image of a corner section of the composite functional film internal window system according to one embodiment of the present invention.

    [0060] FIG. 5 illustrates a schematic cross-sectional view showing a structural image of the composite functional film internal window system according to one embodiment of the present invention.

    [0061] FIG. 6 illustrates a schematic diagram showing an image of a winding body of the composite functional film internal window system according to one embodiment of the present invention.

    [0062] FIG. 7 illustrates a schematic diagram showing an overall image of the composite functional film internal window system according to one embodiment of the present invention.

    [0063] FIG. 8 illustrates a schematic diagram showing an image of a longitudinal section of upper and lower receiving frames of the composite functional film internal window system according to one embodiment of the present invention.

    [0064] FIG. 9 illustrates a schematic diagram showing an image of an upper receiving frame of the composite functional film internal window system according to one embodiment of the present invention.

    [0065] FIG. 10 illustrates a schematic diagram showing an image from above the composite functional film internal window system according to one embodiment of the present invention.

    [0066] FIG. 11 illustrates a schematic diagram showing an image of a rubber-based sealing material that is a gap sealing functional material of the composite functional film internal window system according to one embodiment of the present invention.

    DETAILED DESCRIPTION OF EMBODIMENTS OF THE INVENTION

    [0067] Hereinafter, the embodiments of the present invention are described with reference to the drawings. Note that in the following, the scope necessary for the explanation to achieve the purpose of the present invention will be shown schematically, and the scope necessary for the explanation of the relevant part of the invention will be mainly explained, and the parts omitted from the explanation will be based on known technology.

    [0068] FIG. 1 illustrates a schematic cross-sectional view showing a structural image of a composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, the structure of the composite functional film internal window system mainly comprises a window frame body 2, a silicon gasket 6 and an insulating spacer section 4. FIG. 1 is a cross-sectional view of the window frame body 2, and a form wherein the window frame body 2 comprises a structure divided into a right side and a left side and is fitted together and fixed by the clinching section 3. The “window frame” described in the claims and the foregoing is also expressed as “window frame body” in the drawings and in the form for carrying out the invention in the same sense.

    [0069] As shown in FIG. 1, in the window central side of this window frame body 2, the insulating spacer section 4 is configured by a plurality of layers in a thin sheet shape, with a structure where the end sections of a functional film sheet (for example, a solar photovoltaic film) 7, a functional film sheet (for example, an infrared reflective film) 8, a functional film sheet (for example, a light-dimming film) 9, a functional film sheet (for example, a graphic screen film) 10 and so on sandwiched and fixed between the respective insulating spacer sections 4. Then, the functional film sheet (for example, the solar photovoltaic film) 7, the functional film sheet (for example, the infrared reflective film) 8, the functional film sheet (for example, the light-dimming film) 9, the functional film sheet (for example, the graphic screen film) 10 are collectively referred to as “functional film sheet 7, 8, 9, 10”. When the clinching section 3 of the window frame body 2 is fitted and fixed, the respective functional film sheet 7, 8, 9, 10 are with a structure of being sandwiched and strongly fixed between the insulating spacer sections 4.

    [0070] Each of the functional film sheet 7, 8, 9, 10 of the composite functional film internal window system according to one embodiment of the present invention may be a functional film sheet with functions such as light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding and so on, and may also additionally have special purposes such as visual display function, visual monitor function, or visual screen function and so on. Each functional film sheet may be selected according to usage and requirements.

    [0071] Each end section of the insulating spacer section 4 may includes an internal conductive terminal section 5, and for example, when the functional film sheet is a film sheet that needs to have conductivity, connects the conductive function to the outside via the internal conductive terminal section 5. There is an electrical circuit installed via a conductive terminal or electrically conductive adhesive inside the window frame body 2, but it is omitted in FIG. 1. The insulating spacer sections 4 may be bonded together with electrically conductive resin or electrically conductive adhesive.

    [0072] As shown in FIG. 1, the outer circumference side of the window frame body 2 of the composite functional film internal window system according to one embodiment of the present invention is with a structure wherein for example, a silicon gasket 6 is firmly attached to the window frame, and the window frame body 2 is fitted and fixed to the wall or beam (burr) near the window through the silicon gasket 6.

    [0073] A part of the window frame body 2 is shown in the cross-sectional view in FIG. 1, the window frame body 2 of the composite functional film internal window system according to one embodiment of the present invention may be a square structure covering the entire window outline, or may be a horizontal long-handled bar on the upper and lower sides of the window. It may also be longitudinal bars on the right and left sides of the window. In addition, it may be one side of the window outer circumference frame.

    [0074] The functional films 7, 8, 9, 10 of the composite functional film internal window system according to one embodiment of the present invention are characterized by being tensionally fixed without sagging and tensionally strong, respectively.

    [0075] FIG. 2 illustrates a schematic diagram showing an overall image, as a longitudinal section, of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, the composite functional film internal window system according to one embodiment of the present invention is in a form fixed on the wall 12 and so on the indoor side of the window 11 and around the outer circumference of the window 11. However, the composite functional film internal window system according to one embodiment of the present invention also includes this case, as a technological concept, without excluding installation on the outdoor side of the window 11.

    [0076] As shown in FIG. 2, a form is shown as one example where the composite functional film internal window system according to one embodiment of the present invention includes a window frame body 2 near the upper section and near the lower section of the window 11, and the functional films 7, 8, 9 and so on are installed to cover the window 11 in between. The silicon gasket 6 of the window frame body 2 is a coupling jig to fix the window frame body 2 on the wall 12. Anchors may not be unnecessary since the fitting method is based on silicon gaskets. The air layer between the window and the composite functional film internal window system according to one embodiment of the present invention becomes a sealed space, which also creates effects such as heat insulation, condensation prevention, and soundproofing and so on.

    [0077] FIG. 3 illustrates a schematic diagram showing an overall image of the composite functional film internal window system according to one embodiment of the present invention. The composite functional film internal window system according to one embodiment of the present invention as shown in the same figure covers the glass window 11 (illustrated by dashed lines) and the functional films and panels perform their functions. The composite function refers to functions, selected as the film sheet or the panel, such as light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding, visual display function, visual monitor function or visual screen function and so on. In FIG. 3, four types of film sheets 7, 8, 9, 10 are shown, but the number, type, size, thickness and so on are not limited thereto, and may be selected according to requirements.

    [0078] In FIG. 3, the window frame body 2 of the composite functional film internal window system according to one embodiment of the present invention is expressed in a form of being installed bi-directionally in the upper section and the lower section of the window. In this case, the film sheet can be strongly stretched downward by the weight of the window frame body 2 on the lower side. It has already been mentioned that the window frame body 2 can, of course, be a window frame body 2 that covers four directions or one direction.

    [0079] FIG. 4 illustrates a schematic diagram showing an image of a corner section of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, a case where the corner section of the composite functional film internal window system according to one embodiment of the present invention is shown to be an L-shaped window frame corner section 15.

    [0080] The coupled structure with the coupled window frame body 2 becomes a structure fitted and coupled simply by the concave section 17 and the convex section 16 as shown in the same figure. However, the coupling section of the window frame body 2 in the present invention is not limited to the L-shaped window frame corner section 15. Various structures may be selected by the prior arts. These are included in the concept of the present invention.

    [0081] FIG. 5 illustrates a schematic cross-sectional view showing a structural image of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, it can be an aspect where the window frame body 2 of the composite functional glass window frame system according to one embodiment of the present invention can be divided into upper section and lower section as shown in the cross-sectional view, and the respective film sheets 7, 8, 9, 10 can be contacted and sandwiched by the protrusions having conductive terminal sections 18 at their edge sections. In FIG. 5, the insulating spacer sections 4 are omitted without being depicted.

    [0082] As shown in FIG. 5, the upper section and the lower section of the window frame body 2 are mechanisms strongly coupled and fitted by the convex-concave fitting section 22. Also, the conductive circuit existing inside the window frame body 2 is omitted and not depicted in the figure, but it is obvious that it exists to ensure the function of power transmission to the outside.

    [0083] FIG. 6 illustrates a schematic diagram showing an image of the winding body of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, the window frame body 2 of a composite functional film internal window according to one embodiment of the present invention may be an automatic winding body 19. The functional film sheets 7, 8, 9, 10 are automatically wound and stored during storage by means of automatic winding tension using spring force, for example, using conventional technology. Installation and removal, as well as mobile installation, will be simplified.

    [0084] FIG. 7 illustrates a schematic diagram showing an overall image of the composite functional film internal window system according to one embodiment of the present invention. This shows a mobile 20 composite functional film internal window system. As shown in the same figure, the composite functional film internal window system according to one embodiment of the present invention can be moved from one window to the next window by using the window frame body 2 as the support section with casters 21. It can also be easily moved from one installation room to the next room's window. It will be possible to provide a composite functional film internal window system that can be moved and installed according to the requirements.

    [0085] Also, the composite functional film internal window system according to one embodiment of the present invention may be in a form where its window frame body 2 combines both the automatic winding body 19 shown in FIG. 6 and the support with casters shown in FIG. 7.

    [0086] FIG. 8 illustrates a schematic diagram showing an image of the longitudinal section of the upper and lower receiving frames of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure where the longitudinal section is illustrated, the window frame body 2 that is the main body of the composite functional film internal window system according to one embodiment of the present invention includes an approximately U-shaped upper receiving frame 33 in the upper section of the window frame body (upper frame) 31, being connected to the upper wall 43. The upper receiving frame 33 and the upper wall 43 are fixed by the bis 38 or the like. Herein, the fixing method is not limited to the bis.

    [0087] As shown in FIG. 8, similarly, the window frame body 2 that is the main body of the composite functional film internal window system according to one embodiment of the present invention includes an approximately U-shaped lower receiving frame 34 in the lower section of the window frame body (lower frame) 32, being connected to the lower wall 44. The lower receiving frame 34 and the lower wall 44 may be fixed by the bis or the like, or may be not fixed by a screw or the like.

    [0088] As shown in FIG. 8, between the window frame body (upper frame) 31 and the upper receiving frame 33, one of the spring structure bodies, the plate spring structure body 35, is interposed, and the plate spring structure body 35 has the function of pushing downward and fixing the window frame body (upper frame) 31. (The plate spring structure body 35 in FIG. 8 shows the concept as a simplified diagram.) By pushing downward the window frame body (upper frame) 31 by the plate spring structure body 35, the window frame body 2 of the composite functional film internal window system according to one embodiment of the present invention becomes to be with a structure, between the upper wall 43 and the lower wall 44, interposed between the upper receiving frame 33 and the lower receiving frame 34 in a close contact without a gap, and has a function of blocking the air flow on the window side of the main body (window frame body) 2 and in the indoor 14. Similarly, the composite functional film internal window system according to one embodiment of the present invention becomes to be with a structure firmly fixed between the upper wall 43 and the lower wall 44. The spring structure body shown in FIG. 8 is an example using the plate spring, but any spring structure that performs a similar function is sufficient, and the present invention is not limited to metal springs, but claims that any spring structure using plastic material, for example, is also included in the technological concept of the present invention.

    [0089] That is, since the composite functional film internal window system according to one embodiment of the present invention is a window frame to hold film sheets and/or panels in a single laminated layer, which are with functions of light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding and so on, it is extremely important to have a function of blocking the air flows on the main body (window frame body) window side and in the indoor 14, so as to perform the above-mentioned functions. This function will be described later, but the same applies to the rubber-based sealing material that is the gap sealing functional material set on both the left and right sides of the main body (window frame body).

    [0090] Also, since the composite functional film internal window system according to one embodiment of the present invention is with a structure where the main body (window frame body) 2 and the upper receiving frame 33 and the lower receiving frame 34 are shown as FIG. 8, when it is actually attached between the upper wall 43 and the lower wall 44 of the window section, a simple attaching method can demonstrate a large effect wherein the upper receiving frame 33 and the lower receiving frame 34 are attached first, and then, the main body (window frame body) 2 is pressed into the upper receiving frame 33 on the upper side, and the main body (window frame body) 2 is pressed into the lower receiving frame 34 on the lower side thereafter.

    [0091] FIG. 9 illustrates a schematic diagram showing an image of the upper receiving frame of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, the upper receiving frame 33 is with a structure fixed by sandwiching the window frame body (upper frame) 31 of the window frame body 2 in an approximate U-shape. The plate spring structure body 35 in FIG. 8 is in a form as the plate spring 36 shown in FIG. 9, for example, since only a single side of the plate spring 36 is fixed to the window frame body (upper frame) 31 by the bis 38 or the like, it is depressed by the pressure of the upper receiving frame 33 from the upper side, becomes to be in an aspect deformed and moved as shown by the plate spring movement direction arrow 37. (The plate spring 36 in FIG. 9 is shown in solid lines instead of dashed lines for convenience of explanation.) The present invention does not limit the specific structure, number, strength or the like of the plate springs 36, and it goes without saying that any structure that effectively demonstrates the above functions is included in the technological concept of the present invention.

    [0092] As shown in FIG. 9, with the structure of the above-mentioned upper receiving frame 33, plate spring 36, window frame body (upper frame) 31 and the upper wall 43 (as shown in FIG. 8), the window frame body (upper frame) 31 of the composite functional film internal window system according to one embodiment of the present invention is with a structure in a close contact with the upper wall 43. The upper receiving frame 33 and the upper wall 43 may be fixed by the bis or the like. Also, they may be fixed by magnet, adhesive, hook and loop fastener or the like. This is the same for the fixing method of the lower receiving frame 34 and the lower wall 44 (shown in FIG. 8).

    [0093] FIG. 10 illustrates a schematic diagram showing an image from the above of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, there is a form where the main body (window frame body) 2 of the composite functional film internal window system according to one embodiment of the present invention, when installed between the right and left walls 12, has a rubber-based sealing material 39, which is a gap sealing functional material covering the gap between the main body (window frame body) 2 and the right and left walls 12, installed therein.

    [0094] FIG. 11 illustrates a schematic diagram showing an image of the rubber-based sealing material that is a gap sealing functional material of the composite functional film internal window system according to one embodiment of the present invention. As shown in the same figure, there may be a form where the rubber-based sealing material 39 of the composite functional film internal window system according to one embodiment of the present invention has, for example, a rubber-based sealing material fixing section 40, and is fixed by being inserted and fitted in the rubber-based sealing material receiving section 41 provided in the upper frame of the main body (window frame body) 2.

    [0095] Herein, the fixing method of the rubber-based sealing material that is the gap sealing functional material in the present invention is not limited to the form shown in FIG. 11. The material, size, thickness and shape of the rubber-based sealing material in the present invention are also not limited. As will be described later, the present invention claims the function of rubber-based sealing material as a gap sealing functional material as its technological concept. The material function to be demonstrated by a typical rubber-based sealing material with a gap sealing function is as long as it has a gap sealing (sealing) function such as elasticity, flexibility, surface adhesion or the like, and it is needless to say, the gap sealing functional material expressed in the present invention may be a synthetic resin material such as a silicon-based or fluorine-based material, for example.

    [0096] The rubber-based sealing material that is the gap sealing functional material of the composite functional film internal window system according to one embodiment of the present invention is, for example, a thin rectangular-shaped plate that covers the window frame body (left and right horizontal frames) 30 of the main body (window frame body) 2 in a continuous manner from top to bottom, and is installed so that it covers the gap between the window frame body (left and right horizontal frames) 30 of the main body (window frame body) 2 and the left and right walls 12 and is in a close contact to them.

    [0097] As shown in FIG. 10 and FIG. 11, the rubber-based sealing material 39 demonstrates the effect of blocking the air flows through the gap between the window 11 side and the indoor 14 side of the composite functional film internal window system according to one embodiment of the present invention by being in a close contact covering the gap from top to bottom continuously between the window frame body ((left and right horizontal frames) 30 and the right and left walls 12.

    [0098] That is, just the same as the close contact fixing relationship of the upper wall 43 and the window frame body (upper frame) 31, the upper receiving frame 33 and the plate spring structure body 35, and the close contact fixing relationship of the lower wall 44 and lower receiving frame 34, and the window frame body (lower frame) 32 as already described in the description of FIG. 8 and FIG. 9, the rubber-based sealing material 39 blocks the air flows through the gap between the window 11 side and the indoor 14 side of the composite functional film internal window system according to one embodiment of the present invention, by being in close contact covering the gap between the window frame body ((left and right horizontal frames) 30 and the right and left walls 12 from top to bottom continuously.

    [0099] To repeat, since the composite functional film internal window system according to one embodiment of the present invention is a window frame to hold film sheets and/or panels in a single laminated layer, which are with functions of light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding and so on, it is extremely important to have a function of sealing the gap and blocking the air flows between the main body (window frame body) window side, which is a back side, and in the indoor 14 side, which is a front side, and maximizing the above-mentioned functions, so as to perform the above-mentioned functions. Therefore, it is one technological concept of the present invention to have an above-mentioned structure for the purpose.

    [0100] As described above, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention. All of these are part of this technical concept.

    INDUSTRIAL APPLICABILITY

    [0101] As described above, according to the invention of the present application, the safety of the main body glass window can be ensured, and at the same time, various functions and usages of the functional film sheet are sufficiently demonstrated, and a film internal window with composite functions of visual display function, visual monitor function, or visual screen function or the like with special purposes in addition to the functions such as light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation is realized to be provided, which can improve remarkably the workability of installation to the window and improve remarkably the economic efficiency.

    [0102] According to the invention of the present application, a composite functional film internal window system that is an internal window frame for holding film sheets and/or panels, with functions of light emission, light dimming, heat shielding, heat insulating, ultraviolet UV shielding, heat generation, solar power generation, electromagnetic wave shielding or the like, as a laminated single layer can be provided, and it is possible to provide a comfortable indoor environment by protecting and adjusting the environment inside the room from external harmful factors such as light, heat, ultraviolet UV rays, and electromagnetic waves.

    [0103] Also, according to the present invention, a composite functional film internal window system that can significantly improve the safety and workability of the work of adding functionality to windows, while also significantly improving economic efficiency, will be realized.

    [0104] And the invention is not limited to imparting of functionality to the windows of buildings, but can also be applied to the openings of vehicles such as trains, automobiles, and other structures such as greenhouses and vinyl houses. And it can be used and applied to all kinds of materials and applications. Therefore, the present application will be of great benefit to various industries.

    LIST OF REFERENCE NUMERALS

    [0105] 2: window frame body; 3: clinching section; 4: insulating spacer section; 5: internal conductive terminal section; 6: silicon gasket; 7: functional film sheet (for example, solar photovoltaic film); 8: functional film sheet (for example, infrared reflective film); 9: functional film sheet (for example, light-dimming film); 10: functional film sheet (for example, graphic screen film); 11: window; 12: wall; 13: outdoor; 14: indoor; 15: window frame corner section; 16: convex section; 17: concave section; 18: conductive terminal section; 19: automatic winding body; 20: mobile; 21: caster; 22: convex-concave fitting section; 30: window frame body ((left and right horizontal frames); 31: window frame body (upper frame); 32: window frame body (lower frame); 33: upper receiving frame; 34: lower receiving frame; 35: plate spring structure body; 36: plate spring; 37: plate spring movement direction arrow; 38: bis; 39: rubber-based sealing material (rubber-based sealing material that is gap sealing functional material); 40: rubber-based sealing material fixing section; 41: rubber-based sealing material receiving groove; 43: upper wall; 44: lower wall;