Manufacture of insulated electric cables
CA 1211914 A · Owner: Pirelli General Plc · Inventors: Larrive, Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improvements in or relating to the manufacture of insulated electric cables, In curing an extruded insulation layer of an electric cable by passing the cable through a catenary curing tube, a cable restraining device 8 is disposed at or just prior the exit end of the catenary tube 11 and serves to apply to the cable 10 a restraint to oppose forces (developed by the hydrostatic pressure of the curing fluid) which tend to extrude the cable through the exit end of the curing tube. In the example shown, the device 8 comprises a set of resiliently flexible cones 9 and a clamping arrangement 12, 13 which is adjustable to adjust the degree of restraints. (Figure 2
Read the whole patent
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 September 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 2003.
- 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
Timeline From CIPO dates
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.