Reinforced corrugated paper board and method of producing...

Details Reinforced corrugated paper board and method of producing... Reinforced corrugated paper board and method of producing...

B - Operations, Transporting

31

F

154/72.13

B31F 1/28 (2006.01) B32B 3/28 (2006.01) D21H 11/14 (2006.01) D21H 13/14 (2006.01) D21H 27/38 (2006.01) D21H 27/40 (2006.01)

Patent

CA 1082088

Abstract of the Disclosure A reinforced corrugated paper board is produced by forming a multiwall sheet having an inner layer of a mixture of cellulose pulp and a thermoplastic resin, and two outer layers of cellulose pulp each formed onto the opposite surfaces of said inner layer, feeding said multiwall sheet to a corrugate machine so that said layers are incorporated together and shaped into a unity fluted member and laminating at least one sheet of outer liner member to said fluted member.

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