Injection apparatus including means for feeding solid resin to a

Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy

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Details

425547, 425562, 425585, B29C 3938, B29C 4513, B29C 4574

Patent

active

046003754

ABSTRACT:
The injection machine according to the present invention has an infrared ray heater disposed outside a transparent glass tube cylinder a reflector disposed outside the infrared ray heater, an injection cylinder to which the glass tube cylinder is coupled by way of a changeover valve, a transfer mechanism to transfer the resin material from the glass tube cylinder into the injection cylinder, and an injection plunger in the injection cylinder to inject the molten resin. Since an infrared ray heater is used for the purpose of melting the resin material, a desired temperature can be achieved in a few minutes, and the forming may be started in a short time.

REFERENCES:
patent: 2207426 (1940-07-01), Bailey
patent: 2534988 (1950-12-01), Purcell
patent: 2893055 (1959-07-01), Wenzel
patent: 2950501 (1960-08-01), Harkenrider
patent: 3251911 (1966-05-01), Hansen
patent: 3512214 (1970-05-01), Shiba et al.
patent: 3761550 (1973-09-01), Seefluth

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