Modified car roof trim board structure

Details Modified car roof trim board structure Modified car roof trim board structure

1989-02-28

1990-08-21

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283171, 4283177, 4283193, B32B 326

Patent

active

049505343

ABSTRACT:
A modified car roof trim board structure including a polymer foam of close cell covered with one layer of mylar film at the top as well as at the bottom to form a heat insulating layer to prevent transmission of outside radiating heat into the car during summer, to prohibit inner heat from transmission out of the car during the winter season, and further, to regulate temperature differences without the need for air conditioners, so as to reduce fuel oil consumption of a car.

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