B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/31
B31B 19/00 (2006.01) B42C 3/00 (2006.01) B42D 5/02 (2006.01)
Patent
CA 2013503
Abstract of Disclosure A method and apparatus for forming mailers from continuous webs of materials wherein knurls or impressions are provided along the length of the widthwise glue lines used to form the continuous webs into closed envelopes defining the mailers so as to inhibit "tenting".
Erber Alfred J.
Neale Arthur
Bereskin & Parr
Erber Alfred J.
Neale Arthur
Transkrit Corporation
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