B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 18/28 (2006.01) B65H 18/08 (2006.01) B65H 18/26 (2006.01) B65H 75/24 (2006.01)
Patent
CA 2212025
A roll of plastic film wrap formed without an interior core, and a method of forming such a roll onto an expandable mandrel while the plastic wrap is being pre-stretched.
La présente invention fait état d'un rouleau de film étirable à âme creuse et d'une méthode permettant de former ce genre de rouleau sur un mandrin expansible pendant que le film étirable est préétiré.
Salzsauler Donald J.
Salzsauler Edward R.
Salzsauler Richard G.
Gowling Lafleur Henderson Llp
Saltech Inc.
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