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Expired Canadian patentCanada

Transfer apparatus

CA 1308553 C · Owner: Mitsubishi Heavy Industries, Ltd. · Inventors: Wedel, Gregory L.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A transfer apparatus is disclosed for transferring a web from a press section to a first dryer of a dryer section. The apparatus includes a lead-in roll which is disposed closely adjacent to the press section. A felt extends around the lead-in roll and from the lead-in roll to the first dryer such that the web extends in an "open draw" from the press section to the lead-in roll and is thereafter supported by and beneath the felt towards a dryer nip defined between the felt and the first dryer. A vacuum generating device is disposed adjacent to the dryer nip such that the web and the felt are disposed between the vacuum generating device and the first dryer. The web is disposed between the …

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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 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.
FiledSeptember 6, 1989
GrantedOctober 13, 1992
Term endedOctober 13, 2009
Patent numberCA 1308553 C
Classification (IPC)D21F11/00 +2 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 6, 1989Patent grantedOct 13, 1992Term endedOct 13, 2009

Sources & verification

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