Paper can barrel

Details Paper can barrel Paper can barrel

B - Operations, Transporting

65

D

190/84

B65D 3/04 (2006.01) B65D 3/22 (2006.01) C09J 5/10 (2006.01)

Patent

CA 1198383

ABSTRACT OF THE DISCLOSURE The present invention provides a method of making a paper can barrel which comprises: applying to each surface of a sheet of paper a lining layer of a heat-fusible weldable synthetic resin; coating one marginal end inner surface of the said sheet of paper and also the other marginal end outer surface of the said sheet of paper with a heat-fusible and weldable synthetic resin layer having a serrated profile; forming a jointing step on one of these two marginal ends; superimposing the other marginal end on the jointing step; and pressing and heating the superimposed portion so that the lining layers of resin in contact become fused together, and the serrated profile resin layers are caused to flow and spread over the two marginal ends.

397596

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