Insulating glazing with increased breakthrough-resistance and an adapter element

Abstract

An adapter element for connecting a pane to a spacer having a fastening groove, wherein the adapter element includes at least one receiving profile for securing to the pane and at least one lower part for fixing to the spacer, and the lower part is designed to positively fit the fastening groove of the spacer.

Claims

1. Adapter element for connecting a pane to a spacer having a fastening groove, wherein the adapter element comprises at least one receiving profile for securing to the pane and at least one lower part for fixing to the spacer, and the lower part is positively connected to the fastening groove of the spacer, wherein the at least one receiving profile is U-shaped and/or two opposite side legs of the at least one receiving profile are step-shaped.

2. The adapter element according to claim 1, wherein the at least one lower part of the adapter element is trapezoidal.

3. The adapter element according to claim 1, wherein the adapter element is formed in one piece.

4. The adapter element according to claim 1, wherein the adapter element contains polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethyl methacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), acrylonitrile butadiene styrene (ABS), acrylonitrile styrene acrylester (ASA), acrylonitrile butadiene styrene/polycarbonate (ABS/PC), styrene acrylonitrile (SAN), PET/PC, PBT/PC, and/or copolymers or mixtures thereof.

5. Spacer with a main body comprising a first pane contact surface and a second pane contact surface extending parallel thereto, a first glazing interior surface, a second glazing interior surface, an outer surface, a first hollow chamber and a second hollow chamber, a fastening groove extending parallel to the first pane contact surface and second pane contact surface between the first glazing interior surface and the second glazing interior surface in a longitudinal direction of the spacer, wherein the first hollow chamber is adjacent the first glazing interior surface, and the second hollow chamber is adjacent the second glazing interior surface, side flanks of the fastening groove are formed by the walls of the first hollow chamber and the second hollow chamber, and wherein the fastening groove has an adapter element according to claim 1.

6. The spacer according to claim 5, wherein the fastening groove is trapezoidal.

7. Insulating glazing at least comprising a first pane, a second pane, a third pane, and a spacer according to claim 5, an outer interpane space between the first pane, the second pane, and the outer surface of the spacer, a first inner interpane space between the first pane, the third pane, and a first glazing interior surface of the spacer, and a second inner interpane space between the second pane, the third pane, and a second glazing interior surface of the spacer, wherein the first pane is bonded to the first pane contact surface via a seal, the second pane is bonded to the second pane contact surface via a seal, the third pane is formed by at least one thermoplastic polymer pane, and an edge region of the third pane is arranged in the at least one receiving profile of the adapter element.

8. The insulating glazing according to claim 7, wherein the at least one receiving profile brackets a circumferential edge in the edge region of the third pane.

9. The insulating glazing according to claim 7, wherein the thermoplastic polymer pane has a thickness of at least 3 mm.

10. The insulating glazing according to claim 7 wherein the third pane comprises a plurality of panes and includes at least one thermoplastic polymer pane.

11. The insulating glazing according to claim 10, wherein the plurality of panes are bonded via laminating films to form the third pane.

12. The insulating glazing according to claim 7, wherein the circumferential edge of the third pane does not directly contact the bottom surface of the receiving profile.

13. Method for producing an insulating glazing according to claim 7, comprising a) inserting the adapter element into a fastening groove of a spacer, b) inserting the third pane into the receiving profile of the adapter element, c) bonding the first pane to the first pane contact surface of the spacer via a seal and bonding the second pane to the second pane contact surface of the spacer via a seal, d) pressing together the pane assembly comprising the first, second, and third pane and the spacer, and e) sealing the entire insulating glazing unit.

14. A method comprising utilizing an insulating glazing according to claim 7 as a breakthrough-resistant glazing in the building exterior, and/or in faades.

15. The method according to claim 14, wherein the insulating glazing is arranged in a building interior.

Description

(1) They Depict:

(2) FIG. 1: a schematic representation of an adapter element according to the invention

(3) FIG. 2: a perspective representation of a spacer with an adapter element

(4) FIG. 3: a cross-section of an embodiment of the insulating glazing according to the invention,

(5) FIG. 4: a cross-section of another embodiment of the insulating glazing according to the invention, and

(6) FIG. 5: a flowchart of a possible embodiment of a method according to the invention.

(7) FIG. 1 depicts a schematic representation of an adapter element 1 according to the invention that serves to connect a pane to a spacer having a fastening groove. The adapter element 1 has a U-shaped receiving profile 2 and a dovetail-shaped lower part 3 in the lower region. The receiving profile 2 serves for receiving and securing a pane on the adapter element 1 and the lower part 3 fixes the adapter element on the spacer.

(8) The lower part 3 is implemented form-fittingly with a fastening groove of a spacer. For this, the cross-sectional shape of the lower part 3 is implemented in the form of a dovetail to fit the fastening groove of a spacer. This geometry of the lower part 3 improves the stability of the adapter element 1 in the installed state. The lower part 3 has a height of approx. 5 mm and thus corresponds to the depth of a matching fastening groove. The lower part 3 further has a maximum width of approx. 4.5 mm and a minimum width of ca. 3.2 mm. The receiving profile 2 connects to the lower part 3 of the adapter element 1. In the installed state of an insulating glazing, the receiving profile protrudes completely out of the fastening groove of the spacer. The U-shaped receiving profile 2 includes two side legs 4 that rest against opposite surfaces of the pane in the circumferential edge region in the installed state of an insulating glazing. The receiving profile 2 further has a bottom surface 5 that brackets a circumferential edge of the pane and, thus, fixes an installed pane. The side fixing of an installed pane is ensured by the side legs 4 of the adapter element 1, wherein the side legs 4 and bottom surface 5 of the receiving profile 2 do not mandatorily contact the pane, but merely delimit its position. The side legs 4 of the receiving profile 2 have a height of 12 mm.

(9) The adapter element 1 implemented in one piece made of a polymer material. The adapter element 1 contains styrene acrylonitrile (SAN) with approx 35 wt.-% of glass fibers.

(10) FIG. 2 depicts a perspective representation of a spacer 6 with the adapter element 1. The spacer 6 has a main body 7, which comprises a first pane contact surface 8.1 and a second pane contact surface 8.2 extending parallel thereto. The main body 7 further has a first glazing interior surface 9.1 and a second glazing interior surface 9.2 as well as an outer surface 10. The entire outer surface 10 extends perpendicular to the pane contact surfaces 8.1, 8.2 and connects the pane contact surfaces 8.1 and 8.2. The sections of the outer surface 10 nearest the pane contact surfaces 8.1 and 8.2 are inclined at an angle of approx 45 relative to the outer surface 10 in the direction of the pane contact surfaces 8.1 and 8.2.

(11) The spacer 6 has a first hollow chamber 11.1 between the outer surface 10 and the first glazing interior surface 9.1, and a second hollow chamber 11.2 between the outer surface 10 and the second glazing interior surface 9.2. A fastening groove 12 extends between the two hollow chambers 11.1 and 11.2. The side flanks of the fastening groove 12 are formed by the walls of the first hollow chamber 11.1 and the second hollow chamber 11.2 such that the fastening groove 12 extends in the longitudinal direction of the spacer 6 and has a depth of 5 mm. The side flanks of the fastening groove 12 are inclined in the direction of the interior such that the fastening groove 12 has on its bottom surface a greater width than on its open side opposite the bottom surface. The maximum width of the fastening groove 12 is 4.5 mm, measured at its bottom surface. The minimum width of the fastening groove 12, measured at its open side, is 3.2 mm.

(12) The main body 7 of the spacer 6 and the adapter element 1 contain identical materials. This has the advantage that the production process is particularly simplified and the adapter element 1 and the spacer 6 are particularly compatible. The spacer 6 has a height of 6.5 mm and a total width of 34 mm.

(13) FIG. 3 depicts a cross-section of an embodiment of the insulating glazing 13 according to the invention and a circumferential spacer 6 with an adapter element 1 according to the invention. The spacer 6 is mounted between a first pane 14 and a second pane 15 arranged parallel thereto. The first pane 12 of the insulating glazing 13 is bonded to the first pane contact surface 8.1 of the spacer 6 via a seal 16, whereas the second pane 15 is bonded to the second pane contact surface 8.2 via a seal 16. The first pane 14 and the second pane 15 are made of soda lime glass with a thickness of 3 mm. The seal 16 is made of butyl rubber.

(14) A third pane 17 is inserted in the receiving profile 2 of the adapter element 1 in its circumferential edge region. The third pane 17 is a thermoplastic polymer pane, a polycarbonate pane. The thickness of the third pane 17 is 8 mm. Such insulating glazings are referred to as triple insulating glazings.

(15) The intermediate space between the first pane 14 and the third pane 17, delimited by the first glazing interior surface 9.1, is defined as the first inner interpane space 18.1, and the space between the third pane 17 and the second pane 15, delimited by the second glazing interior surface 9.2, is defined as the second inner interpane space 18.2. The inner interpane spaces 18.1 and 18.2 are connected to the respective underlying hollow chambers 11.1 or 11.2 via multiple openings 19 in the glazing interior surfaces 9.1 and 9.2. A desiccant 20, which removes the atmospheric humidity from the inner interpane spaces 18.1 and 18.2, is situated in the hollow chambers 11.1 and 11.2. The dehumidification of the interpane spaces has the advantage that a production step, namely the drying of the third pane in advance, is eliminated.

(16) The lower part 3 of the adapter element 1 is inserted into the fastening groove 12 of the spacer 6. The shape of the lower part 3 was produced to match the fastening groove 12 and corresponds to a dovetail shape. The fastening groove 12 has, in contrast, a trapezoidal cross-section such that the lower part 3 makes a positive connection with the fastening groove 12. Such connections are particularly stable both transverse to the lower part 3 and also in its longitudinal direction.

(17) The outer interpane space 21, which is delimited by the outer surface 10 of the spacer 6 and the first pane 14 and the second pane 15, is completely filled with the outer sealing 22.

(18) This embodiment according to the invention advantageously presents increased burglar resistance compared to a triple insulating glazing known according to the prior art. Here, the insulating glazing according to the invention of FIG. 1 surprisingly reaches the protection class P6B, P7B, and P8B. Also, the embodiment of the insulating glazing according to the invention is advantageous in terms of simple processing during the production process, which requires no adjustments of the production plant or of the process regardless of the total thickness of the third pane. The thickness of the third pane can be designed variably, while the geometry of the spacer can remain unchanged. Since the third pane is inserted into the receiving profile 2 of the adapter element 1 and not directly into a fastening groove 12 of the spacer 6, the width of the fastening groove 12 is independent of the thickness of the third pane.

(19) FIG. 4 depicts a cross-section of another possible embodiment of the insulating glazing 13 with adapter element 1 according to the invention. The basic structure corresponds to that described in FIG. 3. In contrast thereto, the side legs 4 of the receiving profile 2 are step-shaped. The side legs 4 rest against opposite surfaces of the third pane 17, wherein in each case one step of the side legs 4 fixes the third pane 17 in its position. The third pane 17 is inserted into receiving profile and has direct contact with the bottom surface of the receiving profile 2. Alternative thicknesses of the third pane 17 are depicted by dashed outlines. The embodiment of FIG. 4 has the advantage that the adapter element 1 can be produced independently of the thickness of the third pane 17.

(20) FIG. 5 depicts a flowchart of a possible embodiment of the method according to the invention for producing an insulating glazing comprising the steps: I Optionally: the first pane 14, the second pane 15, and/or the third pane 17 are laminated as a composite pane comprising at least two glass panes and/or thermoplastic polymer panes and at least one laminating film, wherein the third pane 17 includes at least one thermoplastic polymer pane II Inserting the adapter element 1 into the fastening groove 12 of the spacer 6 III Inserting the third pane 17 into the receiving profile 2 of the adapter element 1 IV Bonding the first pane 14 to the first pane contact surface 8.1 of the spacer 6 via a seal 16, and V Bonding the second pane 15 to the second pane contact surface 8.2 of the spacer 6 via a seal 16 VI Pressing the pane assembly comprising the first, second, and third pane 14, 15, 17 and the spacer 6 VII Complete filling of the outer interpane space 21 with an outer sealing 22.

LIST OF REFERENCE CHARACTERS

(21) 1 adapter element

(22) 2 receiving profile

(23) 3 lower part

(24) 4 side leg

(25) 5 bottom surface

(26) 6 spacer

(27) 7 main body of the spacer

(28) 8.1 first pane contact surface

(29) 8.2 second pane contact surface

(30) 9.1 first glazing interior surface

(31) 9.2 second glazing interior surface

(32) 10 outer surface

(33) 11.1 first hollow chamber

(34) 11.2 second hollow chamber

(35) 12 fastening groove

(36) 13 insulating glazing

(37) 14 first pane

(38) 15 second pane

(39) 16 seal

(40) 17 third pane

(41) 18.1 first interpane space

(42) 18.2 second interpane space

(43) 19 opening

(44) 20 desiccant

(45) 21 outer interpane space

(46) 22 outer sealing