Ceramic spinnerets for the production of shaped or void containi

Details Ceramic spinnerets for the production of shaped or void containi Ceramic spinnerets for the production of shaped or void containi

1997-04-18

1999-08-03

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264629, 264645, 264669, 264670, 264317, B28B 124

Patent

active

059321652

ABSTRACT:
A ceramic spinneret used for producing manufactured fibers and formed from a fine grained, essentially pure structural ceramic such as aluminum oxide, zirconium oxide, composites of aluminum oxide and zirconium oxide known as toughed ceramics, silicon nitride, silicon carbide, or any fine grained essentially pure structural ceramic. Such spinnerets are formed as a single piece and contain non-circular capillaries suitable for forming shaped or void containing fibers.

REFERENCES:
patent: 5047181 (1991-09-01), Occhionero
patent: 5250251 (1993-10-01), Fanelli
patent: 5308556 (1994-05-01), Bagley
Corbett & Shaffer, 1987 Society of Manufacturing Engineers Technical Paper, "The Production of Advanced Ceramics by Injection Molding" Feb. 17, 1987, pp. 1-9.

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