Apparatus for extruding concrete (gleitfertiger)
CA 1195483 A · Owner: Roth-Technik G.M.B.H. · Inventors: Kretzschmann, Volker; Traub, Peter H.R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slip finisher 2 for finishing concrete products from concrete has a first frame 3 and a second frame 4 constructed, so that it can be placed on and secured to the former in a detachable manner. The first frame 3 has wheels 6 for the conveyance of the entire finisher. While the first frame comprises the devices necessary for appropriate finishing of the concrete products, the second frame carries means for supporting the operation of the first frame such as a, concrete mixture silo 12, drive motor 9 pull cable means, 10, 7 etc. One type of the second frame can be used with a number of first frames or sub-frames thus reducing the number of required operation supporting elements such as …
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 October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- 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.