Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-08-10
1994-08-16
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156169, 156173, 156216, 156227, 156428, 156430, 156433, 156438, 156250, 156202, 156211, 494751, 494891, E06B 722, D04H 1100
Patent
active
053383826
ABSTRACT:
Pile weatherstripping having rows of pile sandwiching a fin is fabricated so as to precisely locate the height of the fin with respect to the height of the pile. A travelling endless band receives webs providing the fins on opposite sides thereof with the edge of each web, which defines the height of the fin, precisely positioned on a side of the band and the other edge overhanging the edges of the band. Alignment of the webs on the band is provided either by an aligning fixture or by coining the webs to provide lines of indentations which index the webs at the edges of the band. The yarn which forms the pile is wound around the webs and the band and serves to wrap the overhanging portions of the webs around the band, or a guide may be used to facilitate wrapping of the webs around the band, prior to winding of the yarn. Backing strips are attached, as by ultrasonic welding, along the edges of the band. Then the yarn is slit without cutting into the webs. Hold down wires may be used overlying the webs on the surfaces of the bands and below the yarn. These wires are lifted during slitting. After slitting there is provided a pair of weatherstrips having rows of pile provided by the slit yarn, the height of which is precisely located with respect to the height of the fins there between.
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Galens Peter
Johnson Larry E.
Aftergut Jeff H.
Lukacher Martin
Ultrafab Inc.
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