Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Opposed registering coacting female molds
Patent
1994-05-04
1996-01-09
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Opposed registering coacting female molds
425117, 425125, 425190, 425556, 425577, 425444, 425468, 425DIG10, 264 124, 264 126, 249 97, B29C 4514, B29C 4536, B29C 4540
Patent
active
054824516
ABSTRACT:
Apparatus for the preparation of optical ferrules containing cylindrical members is disclosed. The apparatus utilizes guide means receiving the cylindrical member, a sleeve receiving a piston therethrough, and a pin extending into the sleeve. The apparatus also includes biasing means to position the piston, fill gates to dispense polymer into a defined cavity, and containment means which secure the apparatus components together. Injection molded optical fiber ferrules made according to the apparatus and process disclosed exhibit superior properties.
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Johnson Melvin H.
Willis Frank M.
E. I. Du Pont de Nemours
Nguyen Khanh P.
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