One-piece single metal spinneret and method for making it

Details One-piece single metal spinneret and method for making it One-piece single metal spinneret and method for making it

1994-10-06

1996-04-30

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148668, 425 722, 425464, C21D 104

Patent

active

055121144

ABSTRACT:
A process for making a spinneret from a single body of metal with a yield strength of more than 350 MPa involving drilling lead spinneret holes into the mass of the body, annealing only a thin layer of the body opposite the lead holes, and forming capillary spinneret holes through the annealed layer to connect with the lead holes.

REFERENCES:
patent: 1791785 (1931-02-01), Austin
patent: 4054468 (1977-10-01), Honnaker et al.
patent: 4137032 (1979-01-01), Honnaker et al.
patent: 5168143 (1992-12-01), Kobsa

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