Plastic article or earthenware shaping or treating: apparatus – Means to create a vacuum or apply fluid pressure within a...
Patent
1990-05-21
1992-03-17
Chiesa, Richard L.
Plastic article or earthenware shaping or treating: apparatus
Means to create a vacuum or apply fluid pressure within a...
100 73, 100297, 425411, 425DIG47, 425DIG119, B30B 1500
Patent
active
050964097
ABSTRACT:
Particle board, hard board, wafer board, plywood and the like are formed by vapor injection pressing using thin plates through which steam is injected into the product under consolidation, the thin plates lying adjacent the press platens. For closed steam pressing, the plate is provided with a peripheral seal which is inflatable to seal the cavity of the press using either the same stream which is injected into the product, or a second source of steam or other gas at a higher pressure.
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Bushey C. Scott
Carbocol Systems Inc.
Chiesa Richard L.
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