Thin-film coating method and apparatus therefor
CA 1292409 C · Owner: Hamamura, Fumio · Inventors: Hamamura, Fumio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A thin-film coating method for laminating thin-films to opposing surfaces of a substrate and an apparatus for accomplishing the same. A pair of tack members 10E are respectively disposed on opposite sides of the substrate and are moveable in a direction perpendicular to the direction of conveyance of the substrate so as to temporarily tack forward end portions of the thin-films to the substrate. In addition, compression rollers 16 are movably disposed with respect to the substrate such that the compression rollers can respectively contact forward end portions of the thin-films after the tack members have been removed from the substrate. The compression rollers are rotatable to thereby …
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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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
- 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.