Vehicle window assembly having a retention shield and method and

Details Vehicle window assembly having a retention shield and method and Vehicle window assembly having a retention shield and method and

1986-05-01

1989-01-03

Anderson, Philip

Stock material or miscellaneous articles

Sheet facing and longitudinally noncoextensive with web or...

52203, 249 95, 264254, 264275, 264278, 264279, 2643286, 296 85, 427165, 428174, 428210, 4284256, B32B 1710, B32B 2740, B29C 4516, B29C 4537

Patent

active

047956674

ABSTRACT:
The present invention relates to a window assembly including a transparent sheet having a layer of retention material adhered thereto, and a method and apparatus for producing such a window assembly. The apparatus includes at least two cooperating mold sections having facing surfaces defining a chamber for receiving the transparent sheet which can be shaped for use as a vehicle backlight. A seal is positioned about a periphery of a predetermined area on a surface of the transparent sheet on which the film is to be formed. The seal, the predetermined surface area of the transparent sheet and the mold define a forming cavity into which is injected a thermosetting polyurethane material. The material is at least partially cured in the cavity. Thereafter, the window assembly is removed from the mold chamber with a polyurethane retention shield adhered to the predetermined surface area.

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