INSULATING INSERT FOR CAR DOOR AND METHOD OF ITS MANUFACTURING Russian patent published in 2024 - IPC B60J5/04 

Abstract RU 2818388 C1

FIELD: machine building.

SUBSTANCE: disclosed technical solution relates to machine building, to a device for noise and heat insulation of a vehicle. Insulating insert for car door is made with possibility of placement between door frame and door card and is made of highly elastic polyurethane foam in form of volumetric figure with variable thickness, including convex and concave surfaces, corresponding to the forms of devices placed in the car door, wherein it comprises waterproofing film secured to insert surface by adhesive layer. Method of making an insulating insert for a car door is characterized by that a waterproofing film is placed on the surface of one part of the mould, another part of the mould is filled with polyurethane foam made with possibility of becoming highly elastic after curing, parts of the mould are connected, wherein mould parts are jointed to allow contact of foamed polyurethane with waterproofing film.

EFFECT: higher efficiency, reliability and manufacturability of insulating insert.

22 cl, 4 dwg

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RU 2 818 388 C1

Authors

Trufanov Egor Alekseevich

Dates

2024-05-02Published

2023-11-02Filed