Stock material or miscellaneous articles – Pile or nap type surface or component – Particular backing structure or composition
Patent
1973-04-26
1981-11-24
Kittle, John E.
Stock material or miscellaneous articles
Pile or nap type surface or component
Particular backing structure or composition
156 72, 156 732, 156435, 83924, B32B 518
Patent
active
043024947
ABSTRACT:
Yarn of thermoplastic material is wound on a traveling endless band. Backing strips of thermoplastic material are continuously fed along the edges of the band and are ultrasonically welded to the yarn. Thereafter the yarn is slit along opposite sides of the band to provide a pair of continuous pile weatherstrips. The weatherstrips resulting are thus continuously made at high speed and at low cost.
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Kittle John E.
Lukacher Martin
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