Patent Yard Sign in
Expired Canadian patentCanada

Automatic high-speed wrapping machine

CA 1100027 A · Owner: Shanklin Corporation · Inventors: Shanklin, Frank G.; King, Francis X. Jr.

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

An automatic high-speed wrapping machine for wrapping packages in heat sealable thermoplastic film is disclosed wherein? the film seal at the side and ends of the packages is made at a high rate of speed as the packages travel through the machine. The packages travel continuously in a straight line through the machine and are delivered at the input end of the machine by a flighted infeed conveyor into a film inverting head where the packages are surrounded by the film, thence to the side sealing mechanism which forms a seal while severing the selvage from the packages, then into an end sealing mechanism where both ends of the packages are sealed and the film web connecting succeeding …

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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 6, 1978
GrantedApril 28, 1981
Term endedApril 28, 1998
Patent numberCA 1100027 A
Classification (IPC)B65B9/00 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedOct 6, 1978Patent grantedApril 28, 1981Term endedApril 28, 1998

Sources & verification

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