Forging apparatus having means for radially moving blade die segments
CA 1090170 A · Owner: United Technologies Corporation · Inventors: Walker, Bryant H.; Bogard, Ralph B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A forging apparatus has an upper die and lower die with the lower die being positioned on a die stack with the upper die being movable by a ram, said upper and lower dies having cylindrical portions extending towards each other where the rim of the formed disc is to be located. Blade dies are positioned around the radial opening presented between the two faces of the upper and lower die as they rest on a preformed blank said cylindrical, array of blade dies being hels in position by two wires around their outer circumference and supported in the forging operation by a cylindrical back-up die; the cylindrical array of blade dies being slanted outwardly at its upper and lower edge from where …
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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 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 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.