Sealing device for portions of electric cables in the holes of housings of electric motors or the like
CA 1104678 A · Owner: Klein, Schanzlin & Becker Aktiengesellschaft · Inventors: Scheer, Gerhard; Kuntz, Gerhard; Stohr, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1957-30a, ABSTRACT OF THE DISCLOSURE, That part of the sheath of an electric cable which extends through a hole in the housing of a submersible pump motor is surrounded by a metallic sleeve having end portions of reduced diameter. Such end portions and the adjacent portions of the sheath are surrounded by and bonded to tubular insulators whose maximum outer diameter does not exceed the maximum outer diameter of the sleeve. The insulators may consist of convoluted strip-shaped material or foil which is bonded to the adjacent portions of the sleeve and sheath. The clearance between the median portion of the sleeve and the surface surrounding the hole is sealed by one or more O-rings or by a …
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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 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 1998.
- 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.