Telescopic track renewal machine
CA 1210993 A · Owner: F.Lli Donelli S.P.A. · Inventors: Hardelay, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Machine for the renewal of a railway track particularly for, laying sleepers and rails comprising a telescopic frame sup-, porting the laying equipment". ABSTRACT OF THE DISCLOSURE The invention relates to a machine for laying rails and sleepers of a railway track. This machine comprises a telescopic frame supporting the laying equipment and mounted on the main frame. It is characterized in that the telescopic frame is retractable within the interior of the structure gauge of the machine through a relative movement with respect to the main frame in the longitudinal direction thereof to a position wherein it clears the buffer zones. The invention is applicable to the renewal of a railway …
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 September 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 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.