Patent Yard Sign in
Expired Canadian patentCanada

Apparatus for packing a cylindrical stack of disk-like workpieces

CA 1297777 C · Owner: Muller, Jurgen · Inventors: Muller, Jurgen; Halle, Eberhard

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

The apparatus for packing cylindrical stacks of a plurality of disk-like workpieces, particularly covers positioned beside, each other with equal numbers of workpieces in a jacket made, of wrapping paper has at least one receiving trough for the stacks and clamping rails movable laterally into a raised position and raisable and lowerable as well as movable toward each other associated with it for transferring the stack into a wrapping station provided laterally beside the receiving trough with drivable supporting rollers for the stack. At least one pressing roll running parallel to the supporting rollers is lowerable in the wrapping station to the stack and a longitudinally movable carriage …

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 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 31, 1988
GrantedMarch 24, 1992
Term endedMarch 24, 2009
Patent numberCA 1297777 C
Classification (IPC)B65B11/04 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedAug 31, 1988Patent grantedMarch 24, 1992Term endedMarch 24, 2009

Sources & verification

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