Injection-molding system for the processing of casting resin

Details Injection-molding system for the processing of casting resin Injection-molding system for the processing of casting resin

1985-05-29

1986-09-16

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

Molding of thermosetting or cross-linking stock

2643282, 417349, B29C 4553

Patent

active

046119825

ABSTRACT:
A casting system for the processing of casting resin. From evacuatable storage containers casting resin components are fed to pump cylinders. The movement of the pump cylinders is synchronized through a mechanical connection. The drive of the pistons in the pump cylinders occurs by means of driving fluids which approximately are under the same pressure as the resin components. Leakages across the pistons are avoided due to the pressure equality on both sides of the pistons even when, in consideration of abrasive filler materials, relatively large gaps must be provided between the pistons and their cylinders.

REFERENCES:
patent: 2481991 (1949-09-01), Ernst
patent: 2786234 (1957-03-01), Beyer
patent: 3436446 (1969-04-01), Angell
patent: 3860801 (1975-01-01), Hunkar
patent: 4141470 (1979-02-01), Schulte
patent: 4257992 (1981-03-01), Schulte et al.

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