Method for polishing optical connector end faces and machine for doing the same
CA 2218377 A1 · Owner: The Furukawa Electric Co. Ltd. · Inventors: Xu, Jie; Tanabe, Etsuo; Suzuki, Kenji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of polishing an end surface of an optical connector to a desired shape, and a portable polishing machine having a small size and a light weight. A tape backup member (18) is provided on the connecting end surface (3) side of a multicore optical connector (4) set in a polishing machine. The member (18) is coupled to a support rod (21) movable forward and backward along side plates (23a, 23b). The end of the tape backup member (18) is provided with a tape travelling surface (9) having a shape corresponding to a desired shape of an end surface of a bare optical fiber of the multicore optical connector (4), and the leading end of a polishing tape (32) wound around a supply …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed February 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 24, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 24, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.