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Expired Canadian patentCanada

Fine tune adjusting mechanism for tandem-operated filling units of a filling machine

CA 1101809 A · Owner: National Instrument Company, Inc. · Inventors: Bennett, Richard N.

CIPO record

Overview

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

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Abstract From the Canadian patent

A fine adjusting mechanism for a number of individual filling units of a high speed filling machine, operated in tandem from a common drive, which provides an adjustable lost motion between a common drive bar and the pivotal connection with the piston rod of a respective filling unit; the lost motion is adjustable by screwing an adjusting member more or less into the path of the sliding movements of a bearing member sliding in an elongated slot of a swivel member.

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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 May 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 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.
FiledJanuary 31, 1979
GrantedMay 26, 1981
Term endedMay 26, 1998
Patent numberCA 1101809 A
Classification (IPC)B65B1/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedJan 31, 1979Patent grantedMay 26, 1981Term endedMay 26, 1998

Sources & verification

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