Method of making dual reuseable pouches

Details Method of making dual reuseable pouches Method of making dual reuseable pouches

1990-04-09

1992-03-17

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

383 61, 383 65, 493195, 493214, 493224, 156204, 156271, 1563084, B65D 3324

Patent

active

050965166

ABSTRACT:
Dual flexible plastic pouches and a method of making the pouches where the pouches are reuseable and reclosable and have a double fastener strip arranged along the center between the pouches, the double strip is formed with a lower layer and upper pull flanges folded in from the edge of the lower layer with the pull flanges having reclosable rib and groove elements between the flanges and lower layer, an upper film web is juxtaposed over the lower web and bonded thereto over the peripheral edge to form pouches, the flanges are heat sealed to the upper web with a heat blocking thermal barrier between the flanges and lower layer of the fastener to prevent unintentional bonding.

REFERENCES:
patent: 3679511 (1972-07-01), Ausnit
patent: 3685562 (1972-08-01), Ausnit
patent: 3853671 (1974-12-01), Ausnit
patent: 4528224 (1985-07-01), Ausnit
patent: 4925316 (1990-05-01), Van Erden et al.
patent: 4949527 (1990-08-01), Boeckmann et al.

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