Dyeing apparatus
CA 1106632 A · Owner: Yoshida Kogyo K.K. · Inventors: Sugimoto, Isao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dyeing apparatus is disclosed which comprises, a vessel and a perforated cylinder or beam concentrical thereto, the cylinder having a material wound thereon which is to be dyed. The apparatus includes means for isolating idle space within the vessel from the dye liquid circulating region and means for supplying compressed air to the circulating region to dewater the dyed material upon completion of a cycle of dyeing operation. A stream of compressed air permeates the wet material and takes the moisture away as an entrainment. The same apparatus can perform both the dyeing and the drying operation.
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 August 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 1998.
- 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.