Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1985-11-20
1987-10-20
Kittle, John E.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428112, 493215, 383 63, 156 66, B31B 190, B32L 3120, B65D 3324
Patent
active
047013613
ABSTRACT:
An extruded film tube has joined to its inside surface a closure strip extending generally transversely, preferably helically, relative to the axis of the tube and the tube and closure strip are adapted to be converted into a ribbon sheet form with the closure strip extending as individual closure strip sections across the ribbon sheet form at longitudinally spaced intervals, and adapted for making bags. A method of making the material, and apparatus for practicing the method are disclosed.
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Kittle John E.
Minigrip Inc.
Seidleck James J.
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