Method of producing tag pin assembly

Details Method of producing tag pin assembly Method of producing tag pin assembly

1995-08-08

1997-06-24

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264291, 2643281, 2643288, 425542, B29B 700, B29C 4500

Patent

active

056414463

ABSTRACT:
In a method of molding a tag pin assembly P having a plurality of tag pins p each including a head 1, a filament portion 2 and a transverse rod portion 3, and implanted on one connecting rod 5 via connecting portions 4, the method produces a tag pin assembly under a ultra-close contact state by allowing balanced pressures to act on thin wall surfaces between adjacent cavities by supplying a molten resin through a main runner portion 30 connected to an injection molding machine, one first sub-runner portion 31 and a U-shape branched second sub-runner portion 32 to cavities of four tag pins 4 for one second sub-runner portion 32 in a cascade system by halving the molten resin.

REFERENCES:
patent: 2672653 (1954-03-01), Simpkins et al.
patent: 3380122 (1968-04-01), Kirk
patent: 4198370 (1980-04-01), Suzuki
patent: 4255111 (1981-03-01), Suzuki
patent: 4429437 (1984-02-01), Paradis

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