Injection molding manifold and nozzle having laterally clamped f

Details Injection molding manifold and nozzle having laterally clamped f Injection molding manifold and nozzle having laterally clamped f

1990-02-09

1991-03-19

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

2643288, 26432815, 425570, 425573, B29C 4522

Patent

active

050006754

ABSTRACT:
A number of heated injection molding nozzles are mounted along the side surface of a melt conveying manifold. In one embodiment of the invention, a connector collar having a tapered flange portion is bolted to the side surface of the manifold to provide each melt bore outlet. Each nozzle has a matching flange portion with a melt bore inlet extending laterally from a side surface. The nozzle is mounted on the manifold by securing the flange portions together by bolting a wedge clamp having two halves over the aligned flange portions. This accurately aligns the inlet with the outlet and allows the nozzle to be rotated to a particular angular position. In another embodiment, a melt conduit member is mounted between the manifold and each nozzle. The melt conduit member is clamped to the manifold after being rotated to a desired angular position about a first axis. A nozzle is clamped to the melt conduit member after being rotated to a desired angular position about a second axis which is substantially perpendicular to the first axis. Thus, each nozzle can be located with any desired angular orientation without the melt flowing through an acute angle bend.

REFERENCES:
patent: 3602532 (1971-08-01), Ehrenberg
patent: 4082324 (1978-04-01), Obrecht
patent: 4289335 (1981-09-01), Olbermann
patent: 4695079 (1987-09-01), Weinhold
patent: 4702689 (1987-10-01), Schmidt
patent: 4793795 (1988-12-01), Schmidt et al.
patent: 4810184 (1989-03-01), Gellert et al.

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