Heat recoverable self-heating sealing article and method of sealing a splice therefrom
CA 1069192 A · Owner: Raychem Corporation · Inventors: Diaz, Stephen H.; Horsma, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heat-recoverable article to be positioned around a pipe or cable joint or splice which it is desired to encapsulate or seal provides a means for sealing a splice involving a plurality of cables of the same or varying sizes. The article includes a closure means for holding the article together after it has been positioned around the splice to be sealed. In one embodiment, the inner surface of the article contains a heat activated adhesive or sealant to encapsulate the splice and the outer layer of the article is a heat recoverable insulating material. The article may have self-contained heating means comprising a polymeric material having dispersed therein a conductive filler and …
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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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 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.
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.