Corona discharge treating method and apparatus for resin moldings
CA 1297835 C · Owner: Manabe, Katsuhide · Inventors: Ogisu, Yasuhiko; Toya, Hisao; Manabe, Katsuhide
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a corona discharge -treating method and apparatus for a three-dimensional resin molding having corners, in which a corona discharge electrode at least having a curved surface discharge portion is relatively moved along the shape of the surface of the molding with corona discharge generated in the vicinity of the molding. The corona discharge electrode has a rod-like grip portion and a spherical discharge portion.
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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
- Granted March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.