Corrugated paperboard automotive liner

Details Corrugated paperboard automotive liner Corrugated paperboard automotive liner

B - Operations, Transporting

62

D

296/62, 154/83

B62D 25/06 (2006.01) B31F 1/00 (2006.01) B31F 1/36 (2006.01) B32B 29/08 (2006.01) B60R 13/02 (2006.01) B60R 13/08 (2006.01)

Patent

CA 1299220

Abstract of the Disclosure An automotive headliner comprised of a laminate of double corrugated paperboard. Perforations in all the sheets of the laminate except the back paperboard sheet improve the acoustical performance of the liner. A vapor barrier on the back sheet prevents entry of moisture into the laminate from the roof, and a layer of sound dampening material on the front face of the laminate improves the sound absorption of the laminate. The front corrugation is larger than the back corrugation. When molding the laminate it is first moisturized, then heat molded. Heat is applied until the laminate has regained its rigidity.

598115

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