| 摘要 |
Equipment for glass container manufacturing wherein a plunger used to form a parison in a glass container forming operation is provided with a cylindrical sleeve adapted to lock the plunger base end against a support member firmly fastened to a reciprocal piston. The sleeve is spring-loaded to hold it in operative position and permit lateral limited adjustment during operation, and may be manually elevated to facilitate quick rotative removal of installation of the plunger.
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