Plastic film wrapper
AssigneeJno H. Swisher & Son, Inc.
InventorEugene Roark
Life of this patent
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Abstract
A sealed overlapping edge portion of a tearable plastic film envelope is embossed with a series of closely adjacent grooves which guide a tear across the seal.
Claims7
A plastic wrapper for commodities
- said wrapper being formed of grainless plastic film having underlapping and overlapping edge portions and a heat seal joining said edge portions together along the length thereof so as to form a double-thickness seam, means for initiating a tear across the overlapping edge portion at one part of the length of the seam, and means spaced along the length of said seam for preventing blocking of the continuation of the tear across the other part of the length of the seam.
A cigar envelope package comprising a wrapper formed of thermoplastic grainless plastic film having overlapping and underlapping edge portions joined by a heat seal to provide an elongate double-thickness seam, means for initiating a tear across the overlapping edge portion at one part of said seam, and a plurality of closely-spaced groove means extending transversely to the length of the overlapping edge portion disposed along the entire length of said overlapping edge portion for preventing blocking of the continuation of the tear across the other part of the seam.
Dependencies are inferred from the claim text.