Cutting – Other than completely through work thickness or through work... – Splitting
Patent
1997-07-23
2000-07-11
Dexter, Clark F.
Cutting
Other than completely through work thickness or through work...
Splitting
83176, 83425, 834252, 83435, 834352, 83856, 83858, 264163, 425289, 425335, 425371, D26D 708, D29C 6720
Patent
active
060856270
ABSTRACT:
Apparatus for continuously shaping a compressible or cellular polymer material, such as polyurethane foam, by cutting portions of the material from a surface of one or more slabs of material (180) includes two compression rollers (146, 146a), two moving patterned platforms (132, 132a) interposed between the compression rollers, and one or more cutting blades (76) for transversely cutting the slab or slabs just as the cellular material emerges from between the compression rollers. At least one of the moving patterned platforms, preferably an endless belt, defines a recess or pattern of recesses. When a single slab or multiple slabs of material are fed and compressed between the compression rollers, a portion of the material from one side of the slab or slabs fills the recess or recesses in one of the moving patterned belts. The blade then transversely cuts the cellular material.
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Dexter Clark F.
Foamex L.P.
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