A one-way outwardly gas and moisture vented, plural-layer bag for a product, such as a dry bulk product, in which bag a concealed valve is positioned near one side, and close to the originally open top, of the bag. Openings in the valve communicate with confronting openings in a gas and moisture impervious inner layer in the bag.
Multiple Ply Plastic Lined Bag With Satchel Bottom
Leland B. Cook - Vancouver WA Ronald G. Thrall - Vancouver WA
Assignee:
Bemis Company, Inc. - Minneapolis MN
International Classification:
B65D 3026 B65D 3014
US Classification:
383113
Abstract:
A multiple ply open mouthed bag with a rectangular satchel bottom having a plurality of tubular paper plies enclosing a seamless inner plastic pouch capable of heat sealing and/or severance at said open mouth. The paper plies may be made capable of pinch, sewn, or other various closures at said open mouth. The plastic pouch being foldably, non-adhesively and detachably arranged at the satchel bottom of the bag. The satchel bottom being formed by the slitting, folding and overlapping of stepped paper plies adhesively bonded thereat to form the satchel bottom and to loosely retain said pouch independently and away from said adhesive bonding.
Tradewest was founded in 1986 by John Rowe (former Executive Vice President, SNK Corp, Japan's U.S. subsidiary), Leland Cook (banker and rancher) and ...