Bag closure
AssigneeMobil Oil Corporation
InventorsDaniel Lawrence Donk, Robert Hutchins Olson
Life of this patent
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Abstract
A lay flat thermoplastic bag construction having an integral closure means comprising a strip of metallic foil which is secured to one of the bag walls adjacent the open mouth of the bag.
Claims3
A thermoplastic bag comprising a front wall and a rear wall continuously joined together along the bottom and vertical side edges, said bag being opened at the top along the top edges of said front and rear walls, a single strip of metallic foil secured to one of said walls adjacent said open top edges of said bag, said foil being in the form of a V-like configuration with the apex of said V being vertically oriented with respect to said bag walls.
Dependencies are inferred from the claim text.