Process of forming a nozzle

Details Process of forming a nozzle Process of forming a nozzle

1980-09-22

1982-07-13

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Making hole or aperture in article

264267, 264274, B29D 100, B29D 300, B29C 114

Patent

active

043394060

ABSTRACT:
A process of forming a nozzle for discharging a fluid comprising locating in an upright position, a tubular conduit having internal threads formed on the inside thereof at opposite ends. A core having a conical shaped end is located within the conduit such that it extends out of the conduit, and is spaced from the inside wall of the conduit down to the threads at the lower end of the conduit. The conical shaped end of the core and the conduit are surrounded with a mold having its inside wall spaced from the conical shaped end of the core. The space between the inside wall of the conduit and the core is filled with a liquid material. The liquid material is allowed to harden to form an elastic member molded within the conduit. The mold and core are removed and a portion of the elastic member extending beyond the conduit is severed to form a discharge opening.

REFERENCES:
patent: 3185512 (1965-05-01), Kilgore
patent: 3612409 (1971-10-01), Henning
patent: 3633467 (1972-01-01), Watanabe
patent: 3692243 (1972-09-01), Breunsbach
patent: 3938709 (1976-02-01), Collar
patent: 4168033 (1979-09-01), von Bernuth et al.
patent: 4184638 (1980-01-01), Ogasawara et al.

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