Method of forming a tear guide arrangement

Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container

Patent

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Details

493212, 493213, B31B 190

Patent

active

056139349

ABSTRACT:
A tear guide arrangement for opening a package from a sealed form, the package having first and second opposing films, comprises first and second opposing base strips, first and second opposing tear guide strips, and sealant material. The first and second base strips are disposed between the first and second films and are adapted for attachment to the respective first and second films. The first base strip has upper and lower sides and the second base strip has upper and lower sides. The first and second base strips are composed of a first polymeric material. The first and second tear guide strips are disposed generally parallel to and co-planar with the respective first and second base strips. The first and second tear guide strips are detachably connected to the upper sides of the respective first and second base strips to form respective breakable bonds. The first and second tear guide strips are composed of a second polymeric material which is stiffer than the first polymeric material. The sealant material is disposed between the first tear guide strip and the first film for firmly attaching the first tear guide strip to the first film. The sealant material is also disposed between the second tear guide strip and the second film for firmly attaching the second tear guide strip to the second film.

REFERENCES:
patent: 3780781 (1973-12-01), Uramoto
patent: 3827472 (1974-08-01), Uramoto
patent: 4700531 (1987-10-01), Hsu
patent: 4720011 (1988-01-01), Canamero
patent: 4744674 (1988-05-01), Nocek
patent: 4846585 (1989-07-01), Boeckmann
patent: 4986673 (1991-01-01), Bell
patent: 5093187 (1992-03-01), Engelmann
patent: 5470156 (1995-11-01), May
patent: 5558613 (1996-06-01), Tilman
patent: 5575747 (1996-11-01), Dais

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