Tearing strip, a method of manufacturing such strip and a packag

Details Tearing strip, a method of manufacturing such strip and a packag Tearing strip, a method of manufacturing such strip and a packag

1989-07-05

1991-08-13

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

428349, 428483, 428353, 206605, 206613, 229 31, 15624411, B29D 2200

Patent

active

050395645

ABSTRACT:
A tearing strip of the delaminating type intended for attachment to opposite insides of a package.
The strip has such a layer structure that, relative the inside of the package, it has a melted-together seal while internally the strip has layers which are not fully melted together.
The strip comprises a central, strong layer and a first and second layer arrangement.
The first layer arrangement has a well reproducable, high seal strength relative the central layer. However, the second layer arrangement is "peelable" relative the first layer arrangements or more likely internally between two layers. In contrary the second layer arrangement has a well reproducable, high sealing strength relative the inside of the package.

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