Container for hot consolidating powder
Patent 4142888 Issued on March 6, 1979. Estimated Expiration Date: 
March 16, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 16, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2198634 3258818 3461506 3461507 3622313 3866303 Method for producing rotor discs Process of safely compacting a radio-active material into a solid body Method of forming uniform density articles from powder metals Method of hot pressing using a getter InventorAssigneeApplicationNo. 05/778009 filed on 03/16/1977US Classes:419/49, Hot isostatic pressing (HIP)249/105, INCLUDING STATIC FILLING MEANS IN CONTACT WITH MOLD CAVITY249/135, Metal249/160, Having plural mold sections264/102, To degas or prevent gas entrapment264/109, FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED PARTICLES419/48, Heat and pressure simultaneously to effect sintering425/405.2, Isostatic type425/78MEANS FOR MOLDING POWDERED METALExaminersPrimary: Schafer, Richard E.Attorney, Agent or FirmInternational ClassesB22F 3/12 (20060101)B22F 3/14 (20060101) B22F 3/15 (20060101) AbstractA container for hot consolidating powder of metallic and non-metallic composition and combinations thereof by the application of heat and pressure wherein the container includes a mass of container material which is substantially fully dense and incompressible and is capable of plastic flow at pressing temperatures, a cavity of a predetermined shape formed within the mass for receiving a quantity of powder, the mass including walls around the cavity of sufficient thickness so that the exterior surface thereof does not closely follow the contour of the cavity whereby, upon the application of heat and pressure to the container, the mass acts like a fluid to apply hydrostatic pressure to the powder contained in the cavity. | |
