Pillow pack wrapping technique and related apparatus

Details Pillow pack wrapping technique and related apparatus Pillow pack wrapping technique and related apparatus

2005-03-01

2005-03-01

Sipos, John (Department: 3721)

Package making

Methods

Wrapping contents including cover forming

C053S234000, C053S374900

Reexamination Certificate

active

06860089

ABSTRACT:
A method for hermetically sealing a bulk article wherein a strip of wrapping material is initially positioned onto an article such that extending ends of the wrapping material strip extend from away from an edge of the article, each end having a different length. The article is rotated to cause the ends of the strip to cover an uncovered side of the article with a fin-like section extending therefrom away from the article which can be sealed without contacting the article. The fin-like section is cooled and folded onto the top of the article so as to form an axial seam. Lateral ends of the wrapping material strip are then sealed to complete the hermetic sealing process.

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