Glass sheet supporting and conveying apparatus
CA 1069702 A · Owner: Libbey-Owens-Ford Co. · Inventors: Hagedorn, Floyd T.; Rahrig, Donald D.; Revells, Robert G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of and apparatus for supporting and conveying glass sheets in a bending apparatus on a series of conveyor rolls having arcuately curved central portions normally disposed in an upper common horizontal plane for supporting a flat sheet of heat-softened glass to be bent and pivotable into a lower position out of engagement with said flat sheet upon engagement thereof along its marginal edge portions by the shaping rail of an upwardly movable female press member. Each conveyor roll comprises a fixed inner core member and an outer load supporting sleeve rotatable about the inner core member for supporting and conveying a glass sheet thereon.
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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.