Shut-off valve for control of flow of molten plastic material

Details Shut-off valve for control of flow of molten plastic material Shut-off valve for control of flow of molten plastic material

1976-11-18

1978-02-14

Weakley, Harold W.

Valves and valve actuation

Valve head movably connected for accommodation to seat

With universal connection

137341, 137509, 2395339, F16K 2500

Patent

active

040734692

ABSTRACT:
A shut-off cut-off nozzle for a plastic injection machine is constructed to ensure even heating and thereby avoid seizure of moving parts and to provide efficient and reliable mechanism.

REFERENCES:
patent: 1883866 (1932-10-01), Baur
patent: 2556557 (1951-06-01), Schweitzer
patent: 3499456 (1970-03-01), Rerecich

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