Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1985-07-16
1986-03-18
Woo, Jay H.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
264 292, 264176F, 425 72S, 425464, D01D 500
Patent
active
045768110
ABSTRACT:
A spinnerette for mesophase pitch includes a spinnerette body with a plurality of mesophase pitch fiber forming channels through it. Each bore includes a capillary bore section at the outlet side of the spinnerette body, a wider diameter counter bore at the inlet side and an entrance between the wider bore and capillary bore sections with the entrance wall defining a relatively flat angle for increasing the proportion of tangential cross-section pitch fibers, as compared with radial cross-section fibers.
REFERENCES:
patent: 304901 (1884-09-01), Bowron et al.
patent: 3817680 (1974-06-01), Gultner et al.
patent: 4005183 (1977-01-01), Singer
patent: 4376747 (1983-03-01), Nazem
Redick Hugh E.
Riggs Dennis M.
E. I. Du Pont de Nemours and Company
Fortenberry J.
Woo Jay H.
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