Corrugating process

Details Corrugating process Corrugating process

B - Operations, Transporting

31

F

154/72.13

B31F 1/28 (2006.01)

Patent

CA 1072873

ABSTRACT OF THE DISCLOSURE The product is a laminar composite of two or more adhesively bonded layers of sheet material, one of which has a corrugated surface contour at the interface between the layers. The layers are bonded together at the ridges of the corrugated surface of the one layer, and the bond on each ridge consists essentially of a series of relatively localized spots of solid phase adhesive material which are located at intervals spaced apart from one another lengthwise of the ridge. The bonding operation is accomplished by causing relative motion between the corrugated layer and a series of spaced, parallel lines of adhesive material which are disposed crosswise of the ridges of the layer and contacted with the ridges so as to deposit the spots thereon.

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