Gas-feeding nozzle

Details Gas-feeding nozzle Gas-feeding nozzle

1994-02-23

1995-11-14

Grant, William

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Line fluid operated

239574, 239575, 2395903, 239DIG19, B05B 132

Patent

active

054659086

ABSTRACT:
A gas-feeding nozzle 10 for use in a mold 42 attached to an injection molding machine and for introducing a pressurized gas into a molten resin 60 injected into the cavity 48 of the mold, for producing a molded article having a hollow structure, the gas-feeding nozzle 10 comprising a non-return valve 12 provided at an outlet end of the gas-feeding nozzle 10 and a mechanism 14 for preventing the inflow of molten resin, the mechanism is provided upstream to the non-return valve 12 in the flow direction of the pressurized gas.

REFERENCES:
patent: 2040846 (1936-05-01), Hesselman
patent: 3034731 (1962-05-01), Chapin
patent: 3083953 (1963-04-01), Langdon et al.
patent: 4740150 (1988-04-01), Sayer
patent: 4841884 (1989-06-01), Engstrom et al.
patent: 4855094 (1989-08-01), Hendry
patent: 4943407 (1990-07-01), Hendry
patent: 5044924 (1991-09-01), Loren

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