Rotary conveying device
CA 1253826 A · Owner: Aktiebolaget Tetra Pak · Inventors: Takagi, Kunihiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract:, A rotary conveying device comprises a rotatable wheel mounted on a shaft and having a periphery containing a plurality of receptacles for articles. Each receptacle has a suction pad for holding an article therein and suction pump for generating suction from a flow of compressed air. There are also a valve for controlling this flow and conduits extending from a hollow portion of the shaft to each valve for conveying thereto compressed air supplied to such hollow portion.
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 May 9, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 9, 2006.
- 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.