Method and apparatus for processing glass
CA 1059766 A · Owner: Owens-Corning Fiberglas Corporation · Inventors: Glaser, Hellmut I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of forming glass fibers includes maintaining heat-softened glass at a perforated planar area of a thin metallic plate, establishing pressure of the heat-softened glass and extruding the glass by the pressure through the perforations forming streams of glass. A stream of gas is directed upwardly into contact with the perforated area of the plate for transferring heat away from the plate at a temperature lower than the temperature of the heat-softened glass adjacent the plate to promote the delivery of discrete streams of glass from the perforations without flooding of the glass at the perforated planar area, and attenuating the streams of glass to fibers. Apparatus for carrying out …
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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 August 7, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 7, 1996.
- 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.