Apparatus for supplying synthetic resins

Details Apparatus for supplying synthetic resins Apparatus for supplying synthetic resins

2011-06-28

2011-06-28

Crispino, Richard (Department: 1747)

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Means for forming from bulk material, means for severing and...

C425S310000, C425S311000, C425S313000, C425S34800S, C425S809000

Reexamination Certificate

active

07967593

ABSTRACT:
An apparatus for supplying synthetic resins applicable to a metal mold wheel that rotates at a high speed. A cutter of a cutter unit and a holding fitting are attached to an air cylinder, so that the cutter unit can be advanced and retreated in the radial direction of rotation. When the molten resin is stably blown out from an extrusion nozzle, the air cylinder is expanded to move the cutter to an advanced position to cut the molten resin. When the molten resin is unstably blown out from the extruder, the air cylinder is contracted and the cutter is arranged at a retreated position so will not to come in contact with the molten resin. Despite the cutter wheel continues to rotate, the molten resin is not contacted by the cutters.

REFERENCES:
patent: 3596315 (1971-08-01), Yoshikawa et al.
patent: 4755125 (1988-07-01), Takeda et al.
patent: 5344299 (1994-09-01), Takeuchi
patent: 5922407 (1999-07-01), Hess et al.
patent: 2000-108127 (2000-04-01), None
patent: 2004-276372 (2004-10-01), None

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