Composite article

Details Composite article Composite article

1989-10-13

1992-06-02

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428119, 428120, 428156, 428158, 428160, 428166, 428172, 428174, 428188, 428225, 428245, 428284, 428289, 428290, 428304403, 4283084, 36 28, 36 44, 139384R, 139387R, 139390, 66196, B32B 100, D04B 704

Patent

active

051185555

ABSTRACT:
The invention relates to a composite structure including a plurality of fabric layers of interlaced flexible stretch-resistant strand material impregnated with a rigid resinous material and positioned in spaced generally parallel relationship to each other. A plurality of elongated partitions are disposed between adjacent layers and divide the space between adjacent layers into a plurality of elongated generally parallel channels. The partitions each comprise a plurality of stretch-resistant strand material interlaced with adjacent layers in a plane generally perpendicular to the adjacent fabric layers and are also impregnated with a rigid resinous material. In one embodiment, a rigid foamed material can be disposed in the channels for particular applications. A preferred method of making the rigid composite structure is also presented.

REFERENCES:
patent: 3530021 (1970-09-01), Reichl
patent: 4132577 (1979-01-01), Wintermantel
patent: 4837060 (1989-06-01), Bambara
patent: 4914836 (1990-04-01), Horovitz

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