Force pump

Details Force pump Force pump

1984-11-23

1985-08-27

Cline, William R.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

425224, F04C 218, F04C 1300, F04C 1500

Patent

active

045375682

ABSTRACT:
A gear pump for injection molding and extrusion of elastomer material, where the material is inserted in strip form through slots into tooth spaces in a known manner. The gears have circumferential grooves in their mid portions, and a tongue is inserted into the groove in the region of gear engagement. Dividing-and-sealing members are fitted into the gear grooves at locations between the region of engagement and the insertion slots for the elastomer strips.

REFERENCES:
patent: 1694208 (1928-12-01), Davies
patent: 2714857 (1955-08-01), Albright
patent: 2982221 (1961-05-01), Whitfield

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