Package making – With cover-adjunct application or formation – Adjunct comprising provision to allow access to contents,...
Patent
1990-02-26
1991-12-17
Sipos, John
Package making
With cover-adjunct application or formation
Adjunct comprising provision to allow access to contents,...
531392, 53553, 533893, B65B 902, B65B 6118
Patent
active
050725718
ABSTRACT:
Plural strips of package making sheet material are directed toward a forming and filling tube in a form, fill and seal machine for making packages, and the strips are guided into cooperative relation along the tube for joining of the strips into tubular form about the tube. In a preferred arrangement, the strips are derived by slitting a continuous single sheet of package making material, provided with complementary zipper profiles along the slit margins of the strips. A three-bar guidance system is provided for guiding each of the strips cooperatively to the forming and filling tube.
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Sipos John
Zip-Pak Incorporated
LandOfFree
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