Apparatus comprising a ring-shaped nozzle, for manufacturing a hollow body comprised of plastic material
CA 1297646 C · Owner: Ossberger-Turbinenfabrik Gmbh + Co. · Inventors: Ossberger, Karl-Friedrich; Linss, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an apparatus comprised of a ring-shaped nozzle in a nozzle piece, which ring-shaped nozzle has a reciprocally movable nozzle cone piece, wherewith the cone piece and nozzle piece together define a ring-shaped nozzle opening it, is desired to modify the ring-shaped nozzle such that in the, manufacturing of hollow bodies the amount of scrap can be, reduced and the range of practicable applications of the apparatus can be extended. This is achieved in that an additional device is provided for closing the nozzle opening. With the improved apparatus one can achieve improvements in, the hollow body being produced said improvements being, attributable to a special technique of closing the …
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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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.