Transverse direction zipper end sealer

Details Transverse direction zipper end sealer Transverse direction zipper end sealer

2004-06-16

2009-12-29

Koch, III, George R (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

C156S353000, C156S361000, C156S378000, C053S139200

Reexamination Certificate

active

07637297

ABSTRACT:
An apparatus, device and method for producing end seals on a continuous supply of fastener strip having first and second interlocked profiles before the fastener strip is attached to a supply of thermoplastic film used to make a reclosable bag. The fastener strip is advanced through a guide. A first section is identified and fused thereby providing a first end seal. A second end section is identified with the identification based on the first end seal. The second section is fused, thereby providing a second end seal with the result of a length of fastener strip including a pair of end seals. A device is provided to simultaneously fuse and cut the fastener strip at the exiting end of the fastener guide.

REFERENCES:
patent: 5056295 (1991-10-01), Williams
patent: 6017412 (2000-01-01), Van Erden et al.
patent: 6216423 (2001-04-01), Thieman
patent: 6511406 (2003-01-01), Ohtsubo

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