Extrusion nozzle

Details Extrusion nozzle Extrusion nozzle

1990-01-31

1992-09-22

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

99483, 425380, 425461, B29C 4716

Patent

active

051492580

ABSTRACT:
A nozzle for depositing a layer of fluid mass has a coupling defining a nozzle entry passage, a body integral with the coupling which extends linearly from the coupling to a curved body portion which extends to a nozzle end which defines an exit slot. The body has a parallelepipedic cross-section shape wherein two opposing sides thereof widen and two opposing sides thereof narrow as the body extends away from the coupling at the apex of the body at the coupling to the nozzle end. The sides of the body which widen define, together with the sides that narrow, the exit slot and terminate tangentially to the horizontally plane in a form of an arc of a circle which has a center at an apex of the body.

REFERENCES:
patent: Re30221 (1980-02-01), Moreno
patent: 2168288 (1939-08-01), Fischer
patent: 2730760 (1956-01-01), Bibby
patent: 2774106 (1956-12-01), Bethe
patent: 3225715 (1965-12-01), Page
patent: 3296346 (1967-01-01), Shannon
patent: 3833704 (1974-09-01), Nissel
patent: 3880069 (1975-04-01), Moline
patent: 4322202 (1982-03-01), Martinez
patent: 4364722 (1982-12-01), Phipps
patent: 4536357 (1985-08-01), Hayashi et al.

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