Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-01-17
1999-01-12
Lorin, Francis J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156282, 1563084, 156292, 156466, 156498, 156544, B32B 3120
Patent
active
058581537
ABSTRACT:
In the manufacture of multichamber tubular containers it has been found that the inner divider walls should be bonded to the exterior wall by means of a band sealing method. In the band sealing method there is a band that contacts the upper film and a band that contacts the lower film that are to be bonded. In the present processes the upper band contacts the inner divider wall while the lower band contacts the exterior surface of the outer wall of the tubular container. In order to prevent the marring or otherwise putting a defect into the exterior surface of the outer wall the temperature of the lower band is maintained at a lower temperature than the upper band. This will decrease the temperature of the exterior surface of the outer wall and prevent imperfections in the exterior surface of the outer wall. The advantage is a multichamber tubular container without any imperfections in the exterior surface. This enhances the overall appearance of the tubular container.
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PCT Search Report.
Colgate-Palmolive Company
Lorin Francis J.
McGreal Michael
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