Means and method for forming syringe

Details Means and method for forming syringe Means and method for forming syringe

1991-06-04

1993-05-11

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264138, 264164, 264291, 264295, 264296, 264339, 425169, 425304, 425306, 4253241, 425394, 425397, 425402, B29C 5308, B29C 5524

Patent

active

052098826

ABSTRACT:
In a first forming stage, the bottom portion of a mono-molded plastic syringe (a type wherein the whole portion, i.e., a main syringe body and a needle portion, is molded unitedly in a cast) is heated and then stretched to a certain length, forming the edge portion like a needle, while the syringe is intermittently moved. Then the sryinge is carried to a second forming stage, where the syringe is moved intermittently and the needle portion is heated, then it is bent at a certain angle and is cut in a certain length, forming a completed syringe.

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patent: 4212204 (1980-07-01), St. Armand
patent: 4834637 (1989-05-01), Conta et al.
patent: 4904437 (1990-02-01), Muhlbauer
patent: 4963306 (1990-10-01), Weldon
patent: 5032343 (1991-07-01), Jeffs et al.

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