Blocking arrangement for suppressing fluid transmission in cables
CA 1287134 C · Owner: Raychem Limited · Inventors: Bradley, Paul Andrew; Hill, Alistair Ferguson; Seabourne, Judith Lesley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An arrangement for forming a block in a cable against transmission of fluid along the cable comprises a generally flat blocking array (1) that is formed from a fusible polymeric sealant, e.g. a hot-melt adhesive or a thermosetting adhesive, which has a number of passageways 2 extending from one end of the array to the other end for receiving wires 4 of the cable. The assembly includes a heat-shrinkable covering that can be positioned around the blocking array 1 in its flat configuration and recovered about the array by application of heat, and the sealant is capable of melting during recovery of the covering and being forced from a generally flat configuration to a generally cylindrical one …
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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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.