Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-09-03
1993-11-09
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156256, 156245, 156 79, 264 464, 428100, 24444, B32B 3100, B32B 306, B29C 6700
Patent
active
052599051
ABSTRACT:
In a device for incorporating a separable fastener in a foamed seat cushion during formation of the cushion in a mold, includes a sheet having fastener elements constituting one half of a touch fastener. A foam wall surrounds the fastening surface, the wall having a height considerably greater than the height of the fastening elements. The fastener is held on a pedestal having a predetermined height extending into the mold volume and having a predetermined cross sectional dimension generally parallel to the interior mold surface as measured at a predetermined distance from said mold surface. The foam wall defines an opening which engages the sides of said pedestal with a force sufficiently strong to resist any removal force caused by tendency of the foaming action to lift the foam wall during creation of the cushion and bonding of the forming cushion to the foam wall.
REFERENCES:
patent: 4617214 (1986-10-01), Billarant
patent: 4802939 (1989-02-01), Billarant et al.
patent: 4842916 (1989-06-01), Ogawa et al.
patent: 4933035 (1991-06-01), Billarant et al.
patent: 5061540 (1991-10-01), Cripps et al.
patent: 5180618 (1993-01-01), Kessler et al.
Ball Michael W.
Robey Robert W.
Velcro Industries B.V.
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