Process for producing flat glass
CA 1208441 A · Owner: Asahi Glass Company Ltd. · Inventors: Sato, Yasuo; Nomaki, Koji; Mase, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing a flat glass which comprises, withdrawing a glass ribbon substantially horizontally from the surface of a molten metal bath while maintaining the level of the surface of the molten metal at a level higher than an end wall at the outlet of the bath from which the glass ribbon is withdrawn and preventing the overflow of the molten metal from the end wall by means of a force induced by a linear induction motor wherein, side walls at the outlet of the bath are made of an electroconductive material thereby to prevent a drop of the induced force in the vicinity of the side walls.
Read the whole patent
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 July 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
- 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.