Injection molding machine for manufacturing hollow plastic articles
CA 2248750 A1 · Owner: Van Manen, Dirk · Inventors: Albers, Hendrikus Johannes Theodorus; Van Manen, Dirk
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for manufacturing hollow plastic articles comprising a mold comprising a first part provided with at least one row of a number of cavities located next to each other and a second part provided with at least one row of a number of cores located next to each other while the number, of cores is twice the number of cavities and the cores, comprise two sets of cores each set arranged in a manner, corresponding to the position of the cavities and means are, provided for moving the second mold part back and forth in a direction transverse to the direction of opening and closing of the mold. A cooling device comprises a number of cooling cavities located between the cavities of a row and …
Read the whole patent
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 October 21, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 21, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 21, 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.