Method and apparatus for glass removal
CA 1100910 A · Owner: Cabot Corporation · Inventors: Ailor, James C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for removal of glass from metal surfaces, as for example, glass tubing from aspiration cast rods, is provided in which the glass coated metal is passed between a pair of spaced driven rolls one being a, resilient roll and the other a toothed metal roll said rolls, being adjustable to vary the spacing therebetween dependent upon the thickness of metal being cleaned whereby the glass, coating is broken into small fragments by the toothed roll.
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 12, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 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.