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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4594217 B1

PDFFull Text
Date of Patent:
Jun. 10, 1986

Filed:

Mar. 07, 1985

Direct powder rolling of dispersion strengthened metals or metal alloys

Applicant:
Inventor:

Prasanna K Samal, Lyndhurst, OH (US);

Assignee:

SCM Corporation, New York, NY (US);

Attorneys:

Sturges; R. A.

Schmitz; T. M.

Primary Examiner:

Stephen J Lechert, Jr

Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419-3 ; 419 19 ; 419 23 ; 419 28 ; 419 29 ; 419 39 ; 419 43 ; 419 53 ; 419 54 ; 419 55 ; 419 57 ; 419 69 ;
Abstract

A process for making a strip or sheet comprising dispersion strengthened metal or dispersion strengthened metal alloy which comprises rolling directly from dispersion strengthened metal powder to a green strip or sheet density of from at least 90% to 95% of theoretical density, sintering the green strip or sheet in an inert atmosphere at a temperature and for a period of time sufficient to form a rigid body; reducing the thickness of the strip or sheet by at least 25% by cold rolling or hot rolling and resintering at sintering temperature of at least about 1800.degree. F. for 40 to 75 or more minutes.

Find Patent Forward Citations

Samal, Prasanna. (1986). Direct powder rolling of dispersion strengthened metals or metal alloys (U.S. Patent No. 4594217). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4594217

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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