Aligning device for an injection nozzle

Details Aligning device for an injection nozzle Aligning device for an injection nozzle

2007-10-23

2007-10-23

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

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

Reexamination Certificate

active

10973263

ABSTRACT:
An aligning device whereby an injection nozzle can be easily aligned with the sprue of a mold. A stationary platen has a locating hole formed therein and a tapered portion continuous with the locating hole and tapered in a direction such that the tapered portion broadens toward the injection nozzle side. An aligning jig to be fitted into the locating hole and the tapered portion is prepared. The jig has a recess formed in the center of an end face thereof and having a shape matching that of the distal end of the injection nozzle. The jig is fitted into the locating hole, and the injection nozzle is engaged with the recess to align the injection nozzle with the axis of the locating hole. Since the mold is attached to the stationary platen such that the axis of the sprue of the mold is aligned with that of the locating hole, the injection nozzle becomes aligned with the sprue. The injection nozzle can be easily and accurately aligned even while the mold is attached to the stationary platen and also the mold and the injection cylinder are heated to high temperature.

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European Search Report and Annex dated Feb. 15, 2005.
Notification of Grounds for Rejection dated Nov. 1, 2005.
English Language Abstract of JP 63-017016, published Jan. 25, 1988.

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