Rigid structure

Details Rigid structure Rigid structure

1975-11-20

1977-07-05

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428136, 428186, B32B 310, B32B 328

Patent

active

040341356

ABSTRACT:
A rigid structure is made up of two interengaging layers. One of the layers is of a generally corrugated form and has slots in the crests of the layer on one side. The second layer is made up of a series of laminae with slots in one side which fit into the slots in the first layer at an angle thereto and which lock the structure into a rigid unit.

REFERENCES:
patent: 3542636 (1970-11-01), Wandel
patent: 3574103 (1971-04-01), Latkin
patent: 3741859 (1973-06-01), Wandel

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