US2002112772A1PendingUtilityA1
Tubular bag with ventilation bands and method of making
Priority: Aug 25, 2000Filed: Apr 23, 2002Published: Aug 22, 2002
Est. expiryAug 25, 2020(expired)· nominal 20-yr term from priority
Inventors:Ching-Lin Wang
D03D 3/02
21
PatentIndex Score
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Claims
Abstract
A specialty bag is formed from a circular loom adapted with a unique mechanism of the current invention such that the resulting woven tubular sheet contains at least one venting band extending along the length of the tubular sheet. The tubular sheet is then cut into individual bag segments. The individual bag segments are sewn together along their bottom edge to form the final bag having at least one venting band for the proper venting of the enclosed items.
Claims
exact text as granted — not AI-modifiedI claim:
1 . A specialty tubular bag comprises a tubular wall woven with a set of interlocked warp strands and weft strands and at least one venting band area extending along a length of said tubular bag for the storage of any items requiring venting wherein said venting band area comprises only said weft strands providing said function of venting.Join the waitlist — get patent alerts
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