Method for producing a nozzle cartridge

Details Method for producing a nozzle cartridge Method for producing a nozzle cartridge

1998-01-06

2000-03-07

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

425577, 425468, 425575, B29C 4536

Patent

active

060336153

ABSTRACT:
In the production of a nozzle cartridge with a nozzle formed thereon in a hollow mold, in which a core (26) is located, a centering of the core (26) occurs in an injection phase by means of webs (40) provided on the hollow mold, with a conical centering surface (39) of the core (26) abutting against them. In a subsequent supplementary filling phase, the core (26) or an interior core (28) is withdrawn, the melt flowing over the webs (40) and forming a closed wall in the area of the nozzle base.

REFERENCES:
patent: 3737272 (1973-06-01), Segmuller
patent: 3767156 (1973-10-01), Sullivan et al.
patent: 4733801 (1988-03-01), Scammell
patent: 4983344 (1991-01-01), Brown
patent: 5174941 (1992-12-01), Sorenson
patent: 5240397 (1993-08-01), Fay et al.

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