Synthetic resin pelletizing machine
CA 2121089 A1 · Owner: Kando, Akiyoshi · Inventors: Kando, Akiyoshi; Yoshida, Hiroshi; Kuse, Kazuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A synthetic resin pelletizing machine includes an extrusion cylinder forming, with a horizontal plane an, installation angle .theta. which is in the range of 0° < .theta. <90° a raw material feed passage extending upwardly from said extrusion cylinder at a predetermined angle relative to a longitudinal axis of said extrusion cylinder and a cooling, unit disposed below a die head and having a double bath construction composed of a first cooling bath and a second cooling bath disposed in the first cooling bath. The pelletizing machine thus constructed is compact in size and is capable of assuring a smooth feed of a raw material to the extrusion cylinder as well as a smooth passage of an …
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 April 12, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 12, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2016.
- 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.