Injection mold nozzle with filtering function

Details Injection mold nozzle with filtering function Injection mold nozzle with filtering function

1982-07-21

1984-10-02

Love, John J.

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Having interior filter or guide

239462, B05B 114

Patent

active

044743335

ABSTRACT:
A filtering nozzle for injection molding purposes comprises two parts (1,9), one of which having a bore (6) and the other one a tubular portion (10) fitting within said bore. The tubular portion has internal, annular and axially spaced grooves and has in its outer, envelope surface a number of substantially axial grooves (18) each having such a depth that it penetrates the wall of the tubular portion at the zones of the tops of the internal grooves thus generating a multitude of openings (19) in said tubular portion. By means of channels (7,8,20,21) the plastic melt is directed through the nozzle such that it passes through said openings (19) of the tubular portion. The nozzle parts are screwed into each other, making assembly and dismantling easy.

REFERENCES:
patent: 541168 (1895-06-01), Keefe
patent: 559440 (1896-05-01), Conrader
patent: 1635635 (1923-04-01), Willners
patent: 2681829 (1959-06-01), Wahlin
patent: 3143163 (1960-06-01), Renner
German Publication No. 2,808,951, Date: 9/21/1978.
German Publication No. 2,904,158, Date: 8/7/1980.

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