Hot fill container
CA 1332155 C · Owner: Collette, Wayne N. · Inventors: Piccioli, David P.; Collette, Wayne N.; Krishnakumar, Suppayan M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blow molded container which is formed of a polyester resin which has formation and shape characteristics wherein it may be hot filled with a liquid at a temperature on the order of 180°- 185°F. with a maximum volumetric shrinkage of no greater than 1 percent. The container is formed from a specially, configurated injection molded preform which is initially stretched axially only on the order of 25 percent, after which the preform is inflated and blow molded within a blow mold to a configuration which resists vacuum collapse or paneling of the body.
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
- Granted September 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 27, 2011.
- 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.