Grout material and grouting method using same
CA 1310180 C · Owner: Kabushiki Kaisha Kumagaigumi · Inventors: Horiya, Shigekazu; Kita, Kenji; Yokota, Takayoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A grout material comprises a pulverulent body having a silicone coating portion formed on at least a part of the surface of a base material. The particle size of the pulverulent body ranges from 1 to 10 µm. A grouting method using a grout material comprises the steps of boring a hole in a predetermined portion of an area to be grouted, supplying to the hole a powdery grout material containing a pulverulent body having a silicone coating portion formed on at least a part of the surface of a base material and thereby grouting the grout material into the periphery of the hole.
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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 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.