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Canadian application, no grantCanada

Method and apparatus for cooling and/or lubrication of a work head

CA 2264591 A1 · Owner: Lappalainen, Lilia · Inventors: Lappalainen, Lilia; Iachine, Serguei; Kilpelainen, Viljo Olavi

CIPO record

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

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Abstract From the Canadian patent

The invention relates to a workhead for mechanical working of materials. The invention is directed to metal working machines and is adaptable for use in the mechanical working of metals and plastics involving the use of liquid , lubricants and/or coolants. The technical result achieved by implementing the invention comprises an improvement in the efficiency of the cavitation treatment of a liquid lubricant and/or coolant which secures the dispersion , of a solid lubrication in aqueous solutions an increase in the stability of , water-in-oil emulsions decomposition of a liquid lubricant and/or coolant and a decrease of viscosity, an improvement in corrosion resistance reduction in , a …

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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

  • Filed September 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 23, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 2019.
  • 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 23, 1997
GrantedNo grant recorded
Term endedSeptember 23, 2017
Patent numberCA 2264591 A1
Classification (IPC)B23Q11/10

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedSep 23, 1997Term endedSep 23, 2017

Sources & verification

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