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Expired Canadian patentCanada

Laminating methods and apparatus

CA 1259251 A · Owner: Strong Plastics Limited · Inventors: Hodgson, Thomas C.

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Abstract From the Canadian patent

1a, A B S T R A C T, An apparatus (10) for laminating plastics film(s) (12) to an element (14), for example wire netting. The apparatus (10) comprising a pair of resilient rollers (18 and 20) which presses the element (14) and plastics film(s) (12) together. Beforehand the plastics film(s) (12) passes a heating means (40) to reach a fusion temperature and an applicator (50) dispenses adhesive onto the element (14). A strong bond results between the plastics film(s) (12) and the element (14). A method is described.

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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 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 21, 1985
GrantedSeptember 12, 1989
Term endedSeptember 12, 2006
Patent numberCA 1259251 A
Classification (IPC)B32B15/04 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedJune 21, 1985Patent grantedSep 12, 1989Term endedSep 12, 2006

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