Injection blow molding apparatus
CA 1105216 A · Owner: Ethyl Corporation · Inventors: Hafele, Robert X.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case CD-4335, EES: mbc, INJECTION BLOW MOLDING APPARATUS Abstract of Disclosure, An injection blow molding machine for the production of thermoplastic containers is disclosed. The apparatus is a multistation apparatus with a preform being injection molded at one station, prior formed preforms being heat treated at optional heat treating stations and the heat treated preforms being blown at a blow mold station. An automatic removal station may be utilized subsequent to the blow mold station for removing the blown article from a carrying apparatus which is utilized to carry the preform from the injection station through the heat treatment stations to the blow mold stations and then to 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 July 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 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.