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US 5,290,622 AGranted
Board structure
AssigneeIkeda Bussan Co., Ltd.
InventorKazuo Tanabe
Life of this patent
Estimating the term…
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.
Claims9
A board structure for a base material of a molded ceiling member of an automotive vehicle, said board structure comprising:
- a corrugated core board formed of a material selected from the group consisting of cardboard and cork sheet;
- and
- a first surface board fixedly attached to a first surface of said corrugated core board, said first surface board being formed of cork sheet.
Dependencies are inferred from the claim text.