Apparatus for and method of removing a flexible tubular conduit from around an associated elongated rigid supporting mandrel
CA 1078590 A · Owner: Dayco Corporation · Inventors: Hoglen, Edward L.; Browning, Vernon D.; Holden, Homer N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus is provided for removing a flexible tubular conduit from around an elongated rigid supporting mandrel which is at least several feet long, with said conduit having at least one integral helical reinforcing wire extending along the length thereof. The apparatus includes a support structure for the mandrel and its conduit means for holding an end, portion of the conduit in a stationary position and means for simultane-, ously rotating and moving the mandrel relative to the holding means during holding of the conduit by the holding means to remove the mandrel from within the conduit. Such means for rotating and moving operates to rotate the mandrel. in a direction opposite 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 June 3, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.