Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1993-09-14
1995-08-08
Maki, Steven D.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
531342, 53413, 156290, 156311, 426 83, B29C 6518, B65B 2904
Patent
active
054395291
ABSTRACT:
A tagged packet carries a tag which is attached to the main body of the packet by a thread. The thread comprises polypropylene so as to be attachable by heat sealing to the body. The body is made up of layers of sheet material also comprising thermoplastic material to allow the body to be closed by heat seals. The thread is secured to the face of the body at one edge at the same time as that edge is heat sealed and the heating for the thread seal is applied from the opposite face of the body whereas the adjacent regions of edge seal spaced from the thread has the heating applied through the first face. This arrangement gives closer control of the different conditions required for securing the thread and for sealing together only the sheet material of the body.
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Bailey Thomas W.
Cleall Andrew
Goodwin James
Vernon Geoffrey W.
Farrell James J.
Maki Steven D.
Thomas J. Lipson Co., Division of Conopco, Inc.
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