Method and device for producing an electric insulator made from plastic
CA 2439975 A1 · Owner: Janssen, Harald · Inventors: Hennings, Raimund; Janssen, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and a device for producing an electric insulator (1) made of plastic comprising a central hollow core (2) in addition to a plurality of insulating screens (3) which are arranged in a coaxial manner around the hollow core (2) and which are disposed in the axial direction of said hollow core (2). The aim of the invention is to improve the production of said plastic insulator (1) by using a method comprising essentially, the following steps: a) placing a casting mould (4) on a predetermined axial position around the vertically arranged hollow core (2) the casting mould (4) having a coaxial opening (5) which is arranged in an axial manner in a lower …
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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
- Filed March 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2024.
- 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.