Railway track renewal train
CA 1201937 A · Owner: Fils D'Auguste Scheuchzer S.A. (Les) · Inventors: Scheuchzer, Fredy; Buhler, Fritz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
RAILWAY TRACK RENEWAL TRAIN", ABSTRACT OF THE DISCLOSURE This train for draining and renewing railway tracks comprises a frame-car with an empty frame longer than the span, this frame-car rolling with one truck on the old track and with the opposite truck on the new track. Gantries are adapted to travel on guide races disposed laterally of the empty frame for transporting the old and new spans as well as the buckets for transporting the sand and the ballast; a truck disposed ahead of the gantries carries an adjustable excavator and a swivel-mounted digging blade mounted at the rear of the excavator and made preferebly of several lateral sections provided with hydraulic cylinders so that …
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 March 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 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.