Method for manufacturing stones in a press, and press for manufacturing said stones
CA 1294763 C · Owner: Klein, Willem · Inventors: Rook, Cornelis; Klein, Willem
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method for manufacturing stones in a press provided with a mould comprising several moulding rooms and taking a fixed position a, stamp arranged above the mould and being movable up and down a table, arranged under the mould and being movable up and down a supply conveyor, for supplying empty product plates and with a discharge conveyor for discharging the product plates carrying stones shaped in the mould whereby, the moulding mass is compressed in the mould whilst under the mould a moulding plate supported by the table is located which is provided with, upright ribs for shaping bevelled edges on the stones whereby during, compression the stamp is moved downward until the stamp is located …
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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 January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 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.