Patent Yard Sign in
Expired Canadian patentCanada

V-belt and relative transmission

CA 1267000 C · Owner: Dell'Orto, Renato · Inventors: Robecchi, Edoardo; Dell'Orto, Renato

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A V-belt (1) comprising at least three layers (2 3, 4) of, elastomeric material embedding discontinuous fibers (5 6, 7); one of the layers (2) comprises fibers (5) directed transversally to the belt longitudinal direction and the two remaining layers (3, 4) comprise fibers (6 7) mutually, inclined in opposite direction with respect to the belt longitudinal direction X-X , the layers in which the fibers are inclined in the belt longitudinal direction having an equal extensibility. The three layers are in direct mutual contact and the belt is devoid of inextensible longitudinal strands or the like. In some embodiments the belt makes part, of a two-pulley transmission in particular for …

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 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 12, 1986
GrantedMarch 27, 1990
Term endedMarch 27, 2007
Patent numberCA 1267000 C
Classification (IPC)F16G1/10 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedSep 12, 1986Patent grantedMarch 27, 1990Term endedMarch 27, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.