Injection molding nozzle with collar having locating and retaini

Details Injection molding nozzle with collar having locating and retaini Injection molding nozzle with collar having locating and retaini

1994-09-26

1995-12-12

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

26432815, B29C 4520

Patent

active

054744407

ABSTRACT:
An injection molding nozzle to be seated in an opening in a mold with an outer collar extending around an elongated central body. The outer collar is made up of two removable semicircular segments which interlock with the central body. Each of the semicircular segments of the collar have a pair of spaced locating and retaining lug portions which extend outwardly to a longitudinal ridge. This provides sufficient thickness for a threaded hole at each lug portion to receive a screw to tighten the rear end of the nozzle securely against a melt distribution manifold. The ridges of the lug portions fit in contact in the opening in the mold to precisely locate the rear end of the nozzle and retain the two semicircular segments in the interlocking position.

REFERENCES:
patent: 4403405 (1983-09-01), Gellert
patent: 5028227 (1991-07-01), Gellert et al.

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