System and process for removing oil containing machining fluid from machined chips
CA 2389960 A1 · Owner: Filtra-Systems Company · Inventors: Bratten, Jack R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and process for removing oil containing machine coolant from machining chips in which the chips are deposited in a sluice and flushing jets of citrus oil based, cleanser containing water solution used as a washing liquid are used to move the chips down the, sluice and into a chip separator tank the coating of machining fluid scoured from the chips by, the action of the flushing jets. The chips are conveyed up a sloping wall of the tank to be moved, out of the washing liquid drained and dried. The washing liquid is pumped out the tank and, used to form the flushing jets in the sluice.
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 June 10, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 10, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2024.
- 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.