Method and device for manufacturing bricks
CA 1300355 C · Owner: Rensen, Henricus Gerardus Richardus · Inventors: Rensen, Henricus Gerardus Richardus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and device for manufacturing bricks ABSTRACT, The bottom of a mould is provided with releasing material and thereupon filled with clay and trimmed off. The bottom is then moved, so that it is virtually outside the mould. There is friction force occuring between the side walls of the mould and the clay, as the side walls are not provided with releasing material in order to keep them smooth. These friction forces are overcome by an outward force applied to the bottom.
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, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
- 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.