Spill-over cap for biaxially oriented saturated polyester bottles
CA 1203212 A · Owner: Yoshino Kogyosho Co. Ltd. · Inventors: Takada, Takuzo; Sugiura, Hiroaki; Iizuka, Takao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of filling a high temperature sterilized liquid into a biaxially stretched saturated polyester resin, molded bottle and closing said bottle in a sealed manner characterized, by filling said bottle with said liquid up to a level close to its neck and while said liquid still remains at a sufficiently high temperature placing an Inner stopper in tight engagement with said neck to entirely or substantially eliminate a vacant space contacting said liquid in said neck to sealingly close said bottle.
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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
- 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.