Method of manufacturing a tape having a series of surface-type fastener pieces
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United States of America Patent
Stats
-
Mar 22, 1988
Grant Date -
N/A
app pub date -
Jul 14, 1986
filing date -
Jul 19, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tape having a series of surface-type fastener pieces is manufactured by intermittently feeding a surface-type fastener tape blank composed of a release sheet of paper and a surface-type fastener of synthetic resin attached by an adhesive layer to the release sheet and comprising a base strip and a plurality of fastening elements, and fusing the surface-type fastener in a predetermined pattern by ultrasonic or high-frequency welding to produce gaps which define a series of surface-type fastener pieces on the release sheet. The release sheet with the series of surface-type fastener pieces attached thereto by the adhesive layer is then separated from a scrap composed of a surface-type fastener web from which the surface-type fastener pieces have been blanked out. Each of the surface-type fastener pieces is fused along its peripheral edge to prevent the fastening elements thereon from unraveling.
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