US2007071369A1PendingUtilityA1
Waterproof structure of bags
Individually held — no corporate assignee on recordPriority: Sep 23, 2005Filed: Sep 23, 2005Published: Mar 29, 2007
Est. expirySep 23, 2025(expired)· nominal 20-yr term from priority
Inventors:Chiu-Chen Lin
A45C 13/008
56
PatentIndex Score
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Cited by
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References
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Claims
Abstract
A Waterproof structure of the bag comprising a cloth surface ( 1 ) attached by a plastic inner layer ( 2 ), a plastic sidewall ( 3 ) and a cloth sidewall ( 4 ), characterized in that the plastic sidewall ( 3 ) embraces both sides, of the plastic inner layer ( 2 ), which are welded together by ultrasonic wave. The cloth sidewall ( 4 ) embraces the cloth surface ( 1 ) and the plastic inner layer ( 2 ) welded with the plastic sidewall ( 3 ), and both cloth surface( 1 ), plastic inner layer ( 2 ) and cloth sidewall ( 4 ) are sewed up all together.
Claims
exact text as granted — not AI-modified1 . A waterproof structure of the bag comprising: a cloth surface ( 1 ), a plastic inner layer ( 2 ), a plastic sidewall ( 3 ) and a cloth sidewall ( 4 ) attached to said cloth surface( 1 ), characterized in that said plastic sidewall( 3 ) embraces both sides, of the plastic inner layer ( 2 ),which are welded together by ultrasonic wave;and said cloth sidewall ( 4 ) embraces said cloth surface ( 1 ) and said plastic inner layer ( 2 ) welded with said plastic sidewall ( 3 ); and both cloth surface( 1 ), plastic inner layer ( 2 ) and cloth sidewall ( 4 ) are sewed up all together.
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