B29C51/082

3D FORMING FILM MANUFACTURING DEVICE AND 3D FORMING FILM MANUFACTURING METHOD USING SAME
20210197440 · 2021-07-01 ·

A device for manufacturing a 3D forming film performs molding at a uniform pressure by using a variable volume body, and thus, enables undercut portion molding, prevents thermal corrugation on the curved portion, etc., of the forming film and the distortion of the forming film, reduces a thickness deviation of the forming film and excludes an additional cutting process after molding the forming film, thereby improving the quality of the 3D-molded forming film. The device for manufacturing the 3D forming film includes: a mold for molding a forming film; a press head unit which is positioned to correspond to the mold and has a variable spaced distance from the mold; and a variable volume body which is coupled to the press head unit and has elasticity so that a volume thereof is variable due to gas introduction and discharge by the press head unit.

Method for producing composite material component and device for producing composite material component
11046029 · 2021-06-29 · ·

A composite material component manufacturing method including a first thermoforming step for creating a first three-dimensional prepreg sheet by thermoforming a thermoplastic first prepreg sheet into a three dimensional shape, a laminate body creating step for creating a prepreg sheet laminate body by layering the first three-dimensional prepreg sheet and a second prepreg sheet; and a laminate body molding step for molding the prepreg sheet laminate body by applying heat and a pressing force to the prepreg sheet laminate body with a pressing device.

Pouch cell and method of forming same

An electrochemical cell includes a housing, and an electrode assembly disposed in the housing. The electrode assembly comprises a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode. The housing is formed of a first case half and a second case half. Each case half is formed of a metal foil laminate material and includes a wedge-shaped central recess that is surrounded by a flange. The flange of the first case half is joined to the flange of the second case half along a seal line that surrounds the respective central recesses. The central recesses cooperate to define an interior space of the housing that contains the electrode assembly, and the interior space has the shape of a rectangular prism. The seal line extends along a diagonal of a side of the rectangular prism. A method of forming the housing is described.

Method for producing a shaped sheet of wrapping
20210197321 · 2021-07-01 · ·

Described herein is a method for producing a shaped sheet of wrapping, including a hollow portion and a perimetral edge that extends along a pre-set profile, said method comprising the steps of: laying a sheet of wrapping on a treatment surface having a forming cavity; forming said sheet of wrapping within said forming cavity so as to reproduce the shape said hollow portion thereon, without subjecting said sheet of wrapping to deformation by stretching; cutting said formed sheet of wrapping along said pre-set profile for producing said perimetral edge and obtaining said shaped sheet of wrapping.

The method is characterised in that the cutting step envisages the use of a laser beam according to a particular cutting mode.

METHOD OF MAKING A HALF SHELL

A method for producing a half-shell that includes an insert member for a high-pressure vessel using a mould having a first mould section forming a female mould. The method includes laying a pre-heated first plastic sheet on the first mould section; pressing or adhering, via one or more of a partial vacuum or a pressure, the first plastic sheet onto the first mould section; positioning the plastic of the first plastic sheet in areas behind a back-taper of the insert member at a lateral distance from the insert member, or positioning the insert member, after the pressing or adhering, so that plastic of the first plastic sheet is disposed in areas behind a back-taper of the insert member at a lateral distance from the insert member; and pressing or adhering, via a slide, partial vacuum, or pressure, the plastic of the first plastic sheet behind the back-taper and laterally distanced from the insert member, onto the insert member so that a space behind the back-taper of the insert member is filled with the plastic.

THERMOFORMED, INJECTION MOLDED, AND/OR OVERMOLDED MICROFLUIDIC STRUCTURES AND TECHNIQUES FOR MAKING THE SAME

Laminated microfluidic structures and methods for manufacturing the same are provided. In some instances, a laminated microfluidic structure is provided which includes a distended region having a sipper port at the bottom and an internal channel that fluidically connects the sipper port to a location outside of the distended region. Thermoforming and/or injection molding techniques for manufacturing such laminated microfluidic structures are provided. In other instances, a laminated microfluidic structure may be co-molded with a polymeric material to produce an integrated laminated microfluidic structure and housing.

Thermoforming platen having discrete load paths and method

A thermoforming platen is provided having a tooling support plate and a plurality of discrete load paths. The tooling support plate has a top tooling surface, a bottom surface, and an outer periphery. The plurality of discrete load paths interconnect the bottom surface with one or more external load sources operative to distribute and centralize load deformation of the top plate from forming loads. The load paths are provided laterally inboard of the top tooling surface at one of a plurality of inboard locations to impart minimized tooling surface deformation along the top plate tooling surface. A method is also provided.

Thermoforming mold device and a process for its manufacture and use
11020893 · 2021-06-01 · ·

A thermoforming mold device (1) providing a piece with a thin wall starting with a sheet of thermoplastic material is provided. At least one (3) of two parts of the mold (3, 3′) comprises at least one means (4) of local deformation of a sheet (2′) in the mold (3, 3′) in its closed state, the at least one means (4) comprises a piece of hollow molding with a peripheral edge, which can be connected selectively to a source of suction and can be displaced between a folded position, in which the molding piece is situated in close proximity with the wall of the thermoformed piece, and a deployed position, in which the molding piece is applied under pressure with its peripheral edge against the wall of the thermoformed piece upholding the other part of the mold.

Method for manufacturing a cellulose product, cellulose product forming apparatus and cellulose product
11020883 · 2021-06-01 · ·

A method for manufacturing a cellulose product, comprising the steps: dry forming a cellulose blank in a dry forming unit; arranging the cellulose blank in a forming mould; heating the cellulose blank to a forming temperature in the range of 100° C. to 200° C.; and pressing the cellulose blank in the forming mould with a forming pressure of at least 1 MPa.

Rigid connecting device for connecting the upper and lower surfaces inside an oil tank and production method of the oil tank

A rigid connecting device for connecting the upper and lower surfaces inside an oil tank includes a connecting rod. The upper and lower sides of the connecting rod are each provided with a connecting end surface. The connecting end surface is provided with material-passing hole. The outer surface of the rigid connecting device is covered with high-density polyethylene. The upper and lower surfaces of the oil tank are connected by a connecting rod, and such arrangement is locally applied to areas where the rigidity of the oil tank is poor, so there are more effective space. The part of the rigid connecting rod contacting with the oil fuel is made of high-density polyethylene, so the requirements of strength and anti-corrosion can be satisfied.