Valve device and resin coating apparatus incorporating same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 12, 1997
Grant Date -
N/A
app pub date -
Mar 24, 1995
filing date -
Mar 31, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for coating an optical fibre with a selected one of a plurality of different resins includes respective reservoirs for the resins, an applicator for applying a resin coating to the optical fibre and a distributor between the reservoirs and the applicator including a valve device which is operable for putting any selected one of the reservoirs in flow communication with the applicator. The valve device includes a first body defining a plurality of inlet passages each of which is interconnected to a respective reservoir by a respective inlet conduit and a second body defining an outlet passage which is interconnected to the applicator via an outlet conduit. A flow control device is disposed between the bodies and the bodies are relatively moveable for putting any selected one of the inlet passages in alignment with the outlet passage. The flow control device has a first position relative to the second body for blocking all of the inlet passages and the outlet passage and a second position relative to the second body for allowing flow to the outlet passage from an inlet passage aligned therewith.
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