Investment casting wax injection machine

Details Investment casting wax injection machine Investment casting wax injection machine

1989-09-13

1990-06-19

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

425588, B29C 4512

Patent

active

049349210

ABSTRACT:
An investment casting wax injection machine includes a heater for heating wax. A cylinder with a piston is disposed in the container which is disposed beside the working table. A discharge pipe connects the heater and the container for supplying the melted wax from the heater to the container. A disc is fixed at a bottom end of the cylinder. A number of check valves are provided on the piston and the disc. A distributor with a nozzle is disposed on the cylinder, and a check valve is provided between the distributor and the cylinder. A number of cooling manifolds are distributed in the distributor for cooling the wax.

REFERENCES:
patent: Re30225 (1980-03-01), Simmons et al.
patent: 4867938 (1989-09-01), Schad et al.

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