Method of and means for making variable width zipper profile...

Details Method of and means for making variable width zipper profile... Method of and means for making variable width zipper profile...

B - Operations, Transporting

29

D

154/30, 18/746

B29D 7/02 (1980.01)

Patent

CA 1114273

ABSTRACT One or more prefabricated extruded reclosable plastic profile strips travelling in the same direction and at the same speed as a prefabricated continuously travelling film web are guided into convergence with the web, transversely adjusted as to position on the web while the web and the fastener strips are travelling without interruption, and then the travelling fastener strips are permanently secured to the travelling web. The adjustability feature is especially useful to facilitate making of various sizes of bags from the zipper profile film web.

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