Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1983-06-08
1985-06-25
Woo, Jay H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156187, 156192, 156213, 156245, 264 455, 264 464, 264 467, 264145, 2643281, B31C 500
Patent
active
045252319
ABSTRACT:
Cushioned automotive strap handles with spring steel base strips, cushions, and wrapped and sealed covers are made by injection molding resin cladding directly onto steel base strips before assembly with the cushion and cover. The base strips 10 are cut to length with formed end regions 11 which are mounted on a mold part 15 so that a midregion of base strip 10 spans an injection mold cavity 18. Pins 21 within mold cavity 18 locate base strip 10 in a plane spaced from the cavity walls so that the cavity surrounds the midregion of the base strip. The injection molded resin cladding 25 also surrounds the midregion of base strip 10 and provides raised resin shoulders 20 extending along longitudinal side edges of the base strip. The surrounding engagement of cladding 25 secures resin shoulders 20 against transverse movement relative to the base strip. Resin clad base strip 10 is then assembled with a cushion 26 and a cover 30 that is wrapped and sealed to a seam region 23 of resin cladding 25 between raised shoulders 20. Alternatively, claddings 25 can be molded at spaced intervals on a continuous length of base strip 10 which is thereafter cut and punched to form discrete lengths of clad base strip for assembly with a cushion and wrapper.
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patent: 4409163 (1983-10-01), Van Manen
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Heitbrink Timothy W.
Voplex Corporation
Woo Jay H.
LandOfFree
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