Composite brake drum
CA 1319332 C · Owner: Bush, John William · Inventors: Bush, John William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite brake drum particularly adapted for motor vehicle applications. me brake drum includes a reinforcement assembly embedded within the cylindrical portion of the drum. me reinforcement assembly is preferably made from steel wire stock and includes a plurality of circular closed rings spaced axially within the brake drum cylindrical portion. Axially extending locator wires are mechanically fastened to the reinforcing rings and serve to locate the rings. Loops can be formed on the locator wires for positioning the reinforcement assembly within a casting mold cavity to enable the device to be essentially self-locating within the mold. me composite brake drum is fabricated by pouring …
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 June 22, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 22, 2010.
- 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.