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.:
Date of Patent:
Apr. 26, 1994
Filed:
Apr. 24, 1992
Applicant:
Inventors:
Assignee:
Daido Tokushuko Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32D / ; C22C / ;
U.S. Cl.
CPC ...
428548 ; 428660 ; 75246 ; 75230 ; 75232 ; 75236 ; 75239 ; 75240 ; 420 10 ; 420 15 ;
Abstract
A high Young's modulus material comprises carbon steel or alloying steel and contains a particular amount of hard particles having a Young's modulus of not less than 24,000 kgf/mm.sup.2. Furthermore, a surface-coated tool member comprises a substrate comprised of carbon steel or alloying steel and a hard coating layer having a Young's modulus of not less than 24,000 kgf/mm.sup.2 in which the substrate contains a particular amount of hard particles having a Young's modulus of not less than 24,000 kgf/mm.sup.2.