Method and apparatus for melt spinning

Details Method and apparatus for melt spinning Method and apparatus for melt spinning

1984-02-21

1987-06-02

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

264 85, 264169, 4234476, 4234477, 425 72S, 425378S, B29C 4788, D01D 5084

Patent

active

046702024

ABSTRACT:
In a melt spinning operation, a heated wash gas such as nitrogen or nitrogen and air is blown across the melt spinning nozzles to remove volatiles thereby preventing wetting of the nozzle discharge. The wash gas is maintained at a temperature substantially equal to the melt spinning temperature. The preferred melt spinning material is petroleum pitch.

REFERENCES:
patent: 3447202 (1969-06-01), Kato
patent: 3502757 (1970-03-01), Spencer
patent: 3585684 (1971-06-01), McIntosh et al.
patent: 3814559 (1974-06-01), Akers et al.
patent: 3847522 (1974-11-01), Heckrotte et al.
patent: 4017327 (1977-04-01), Lewis et al.
patent: 4301135 (1981-11-01), Nazem et al.
patent: 4351816 (1982-09-01), Schulz

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