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US 4,071,186 AGranted
Self-closing bag
AssigneeBagcraft Corporation of America
InventorRaymond J. Ruda
Life of this patent
Estimating the term…
Abstract
A bag has an opening on its front side adjacent to its mouth which exposes the inner surface of the rear side, there being a first cohesive coating on such inner surface in registration with the opening, their being a second cohesive coating on the front side adjacent to the opening. After the contents have been placed in the bag, the end of the bag is folded over between the cohesive coatings so that they register with each other, and by their nature they adhere to each other in response to being pressed together.
Claims5
A self-closing bag comprising:
- a bag having a front side and a rear side extending to the mouth of the bag, said front side having an opening at the mouth of the bag, a first cohesive coating carried on an insert secured to the inner surface of said rear side in registration with said opening, said insert comprising material removed from said front side to provide said opening, and a second cohesive coating carried on the outer surface of said front side adjacent to said opening and facing the same way for cooperation with said first cohesive coating when the mouth-end of the bag is folded over.
Dependencies are inferred from the claim text.