Grating welder clamping head with weld pool retaining means
CA 1081504 A · Owner: Armco Steel Corporation · Inventors: Harrington, Dannie W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clamping head having an axial passageway receiving a welding gun, for accurately positioning the gun over a metallic grating structure for welding the intersections of the grating members. The head includes a plurality of replaceable chamfered dams which resiliently engage the corners formed by the grating member intersections to retain the molten weld pool during solidification and improve the integrity of the weld bead.
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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 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.