Shaped mold-in

Details Shaped mold-in Shaped mold-in

1990-08-09

1992-12-15

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With casting, plastic molding, or extruding means

156245, 156 79, 264 464, 428100, B29B 1114, B32B 306, B29C 6720

Patent

active

051713950

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: 4470857 (1984-09-01), Casalou
patent: 4563380 (1986-01-01), Black
patent: 4673542 (1987-06-01), Wigner
patent: 4693921 (1987-09-01), Billarant et al.
patent: 4710414 (1987-12-01), Northrup et al.
patent: 4726975 (1988-02-01), Hatch
patent: 4842916 (1989-06-01), Ogawa et al.

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