Composite pad

Details Composite pad Composite pad

1974-01-28

1976-01-27

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

156210, 156250, 428184, 428192, B32B 300, B32B 328

Patent

active

039353605

ABSTRACT:
A unitary composite corrugated board structure of a double layer of single-faced corrugated board is fabricated by assembling the boards with their corrugated faces in nesting contact and then compressively cutting the layers by applying a force in a direction substantially perpendicular to the surface of the planar lining sheet of the board. The cutting operation crushes the corrugations at the cut edge into interlocking reentrant configurations which hold the boards together without the need for an adhesive.

REFERENCES:
patent: 1189518 (1916-07-01), Wood
patent: 2434892 (1948-01-01), Ulm

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