Soldering method and apparatus
CA 2239963 C · Owner: Tamagawa Seiki Kabushiki Kaisha · Inventors: Itoh, Takahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and apparatus by which relative displacement between molten solder and a terminal pin is caused and a coating formed on an end portion of a coil on the terminal is removed by the molten solder, and thus the terminal portion is firmly soldered to the terminal pin after removal of the coating. In contrast, in conventional soldering methods, when a terminal pin which is provided, on a terminal base and has an end portion of a coil wound therearound, is dipped in molten solder contained in a solder bath, there is no relative displacement between the pin and the molten solder. Thus, sometimes the coating formed on the coil still remains, so that a complete soldering connection between the …
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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 June 9, 1998 and granted May 1, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 9, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 9, 2020.
- 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
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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.