Apparatus for cooling and conditioning melt-spun material

Details Apparatus for cooling and conditioning melt-spun material Apparatus for cooling and conditioning melt-spun material

1986-09-16

1988-07-12

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

Orifice for filaments or fibers

26417713, 26421122, 264237, 425185, 425192S, B29C 4788

Patent

active

047566795

ABSTRACT:
A nozzle plate having a plurality of passages is adapted to permit a melt to flow therethrough to form a stream of filaments. A dispersing head is located downstream of the plate and in the filament stream. The head is substantially in the form of a cylinder with its axis substantially parallel to the stream. An inlet for coolant (preferably air) connects a source thereof with the head. The wall of the head is porous, thereby permitting the coolant to pass through the wall and impinge on the filaments.

REFERENCES:
patent: 2373078 (1945-04-01), Kleist
patent: 2931422 (1960-04-01), Long
patent: 3480709 (1969-11-01), Jacob et al.
patent: 3834847 (1974-09-01), Fletcher
patent: 3969462 (1976-07-01), Stofan
patent: 3988086 (1976-10-01), Marshall et al.
patent: 4038357 (1977-07-01), Boyes et al.
patent: 4285646 (1981-08-01), Waite
patent: 4332764 (1982-06-01), Brayford et al.

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