Method for welding seams in disposable garments
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United States of America Patent
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Aug 13, 1996
Issued Date -
N/A
app pub date -
Jun 9, 1994
filing date -
Nov 28, 1989
priority date (Note) -
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Abstract
Spaced seams in a disposable garment web containing a plastic component and moving rapidly along a direction of manufacture is formed by bringing an ultrasonic welder into pressurized contact with the machine web for a predetermined period of time, heating the web along the seam for a first segment of the predetermined period of time and then maintaining pressurization with the ultrasonic welder during a second segment of the predetermined time period without heat sufficient to permit the plastic material to resolidify.
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