B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 33/24 (2006.01) B31B 1/90 (2006.01) B31B 19/90 (2006.01) B65D 17/28 (2006.01) B65D 75/62 (2006.01)
Patent
CA 2067416
An easy-open container includes a membrane forming the top edge of the container and hermetically sealing the contents thereof. Means for opening the container are disposed on the membrane, and include a first bead of thermoplastic material and a first perforated line for tearing across the membrane. In one embodiment the membrane is disposed inward from the mouth of the bag, leaving portions of the bag walls extending upward beyond the container top edge to form guide rails which facilitate opening of the container. One guide rail is removed as the bag is opened and remaining portions of the bag walls are offset to enhance access to the bag contents. A membrane for sealing the mouth opening of a bag-like structure is also provided, as are methods for making an easy-open container and for making a membrane having the structures aforesaid.
Beyer Daniel
La Pierre Frank
Mcdonald Daniel P.
Finlayson & Singlehurst
Illinois Tool Works Inc.
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