Investment casting mold forming apparatus
CA 1135024 A · Owner: Caterpillar Tractor Co. · Inventors: Ostrowski, Richard C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Investment Casting Mold Forming Apparatus Abstract, Investment casting mold forming apparatus including a vertically extending housing having a top a bottom and an access opening intermediate the top and the bottom, a diffuser within the housing below the opening and above the bottom, a pressure fluid inlet in the housing between the bottom and the diffuser for providing fluid so that a fluidized bed and particulate material may be generated above the diffuser and a, distributor introducing particulate material into the housing at its top and above a fluidized bed therein such that the particulate material so introduced may descend, by gravity, within the housing towards the fluidized bed.
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 9, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 1999.
- 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.