Board structure

Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material

Patent

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Details

428455, 296211, B32B 328

Patent

active

052906221

ABSTRACT:
A board structure used for the base material of a molded ceiling member of an automotive vehicle. The board structure includes a corrugated core board formed of a cardboard. Upper and lower surface boards are bonded respectively to the upper and lower surfaces of the corrugated core board. The upper and lower surface boards are formed of cork sheets, respectively, thereby improving the moldability and the physical properties of the board structure.

REFERENCES:
patent: 3033708 (1962-05-01), McKee

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