Process and device for rounding off granular particles of solid material
CA 1231928 A · Owner: Swiss Aluminium Ltd. · Inventors: Lukacs, Janos; Borer, Werner; Spalinger, Hugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Granular solid particles in particular hard, comminuted, material of any shape are kept continuously in relative movement in a funnel-shaped container by means of a stream of fluid as a result of which they are rounded off. The rounded off particles are suitable as filler material for wear-resistant coatings. - 1 -
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 January 26, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2005.
- 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.