Method and apparatus for removing hollow plastic articles from an injection moulding machine
CA 2233065 A1 · Owner: Wright, John Bennison · Inventors: Wright, John Bennison
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The injection moulding apparatus for producing hollow plastic articles comprises an, injection moulding machine having interlockable male and female mould portions for forming, a number of hot hollow plastic articles in an injection moulding cycle. A conveyor, spaced apart, from the injection moulding machine features receptacles for holding the hot hollow plastic, articles in an upright position in order to let hot air disposed in the interior of each hot hollow, plastic article to rise unheeded. A transfer mechanism quickly removes the hot hollow plastic, articles from the injection moulding machine when in the mould-open position and deposits the, hot hollow plastic articles …
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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 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2020.
- 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.