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Canadian application, no grantCanada

A process and an apparatus for supplying the interface between an abrasive tool and a workpiece with cooling lubricant

CA 2208771 A1 · Owner: Kapp Gmbh & Co. Kg Werkzeugmaschinenfabrik · Inventors: Kapp, Martin A.

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

The present invention relates to a process to supply the interface zone between an abrasive tool and a work piece with cooling lubricant. This process incorporates the following steps: a) provision of an annular gap (4) around the outside contour (5) of the abrasive tool (1) said annular, gap (4) extending around the major portion of the periphery of the abrasive tool (1); b) interruption of the annular gap (4) in a first area (6) in which the interface zone (3) between the abrasive tool (1) and the work piece (2) is located; c) interruption of the annular gap (4) in a second area (7) that is located in an area of the periphery of the abrasive tool (1) that is spaced apart from the first …

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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 June 24, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 24, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 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.
FiledJune 24, 1997
GrantedNo grant recorded
Term endedJune 24, 2017
Patent numberCA 2208771 A1
Classification (IPC)B24B55/03 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedJune 24, 1997Term endedJune 24, 2017

Sources & verification

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