US Patent:
20050161151, Jul 28, 2005
Inventors:
Mark Cabraja - Sharon PA, US
International Classification:
B32B031/00
B29C031/00
US Classification:
156212000, 156391000, 156497000, 156228000
Abstract:
A cushion forming apparatus includes a frame with a pivoted hold down member and a pneumatic bladder below the hold down member. The bladder is alternately connectable with a source of pressure and to atmosphere through control valve. The components of a cushion sub-assembly are loaded onto the deflated bladder, the hold down member is lowered to the locked position, the bladder is inflated to force a cover around foam blocks and adjacent a base, the cover is attached to the side edges of the base, the bladder is deflated, the hold down member released and the assembled structure removed.