Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Optical fiber – waveguide – or preform
Patent
1985-02-15
1993-01-26
Derrington, James
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Optical fiber, waveguide, or preform
264 21, 264311, 65 311, 65 181, 65 183, B29D 1100
Patent
active
051820528
ABSTRACT:
Method of manufacturing tubes in which a mixture of powdered tube material and a liquid binder is introduced into a tubular mold with a geometry corresponding to the geometry of the tube to be formed. The tubular mold is rotated about its longitudinal axis. The powder-binder mixture deposits on the inner wall of the tubular mold. The powder and the liquid are introduced into the tubular mold separately.
REFERENCES:
patent: 2714227 (1955-08-01), Graham et al.
patent: 3150219 (1964-09-01), Schmidt
patent: 3689614 (1972-09-01), Bortz
patent: 4414164 (1983-11-01), Roba
patent: 4885018 (1989-12-01), Bachmann
Clasen Rolf
Lydtin Hans
Bartlett Ernestine C.
Derrington James
U.S. Philips Corp.
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