Apparatus for producing screw feeders for a plastic injection-mo

Details Apparatus for producing screw feeders for a plastic injection-mo Apparatus for producing screw feeders for a plastic injection-mo

1988-05-31

1989-09-19

Thurlow, Jeffery

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

264167, 2642092, 264310, 425206, 425207, 425381, 4253823, 425465, 425466, 425542, B29C 4724, B29C 4738

Patent

active

048676675

ABSTRACT:
A system for producing a screw feeder for use in a plastic injection-molding machine, according to which system a molten material is extruded through an injection opening of a rotating die, the injection opening of the die including a groove obliquely with respect to the axis thereof, thereby forming a screw feeder having a shank and a spiral integral lengthwise therewith.

REFERENCES:
patent: 2893056 (1959-07-01), Hennins
patent: 3461499 (1969-08-01), Nevin et al.
patent: 3932090 (1976-01-01), Brumlik
patent: 4181486 (1980-01-01), Saito
patent: 4281978 (1981-08-01), Shigematsu
patent: 4395210 (1983-07-01), Hama
patent: 4455133 (1984-06-01), Jakob et al.
patent: 4548567 (1985-10-01), Missout

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