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:
Jan. 01, 2013
Filed:
Jul. 20, 2009
Takashi Abiko, Kobe, JP;
Michio Nishihara, Takasago, JP;
Eiji Otsuki, Takasago, JP;
Shunsuke Hori, Takasago, JP;
Tomoya Shinozaki, Takasago, JP;
Tetsushi Deura, Kobe, JP;
Takashi Abiko, Kobe, JP;
Michio Nishihara, Takasago, JP;
Eiji Otsuki, Takasago, JP;
Shunsuke Hori, Takasago, JP;
Tomoya Shinozaki, Takasago, JP;
Tetsushi Deura, Kobe, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
When the density (D) of the inclusions whose major axis exceeds 5 μm observed in the axis position of a section perpendicular to the axial direction of a forged product is made 70 nos/cmor below and the radius of the forged product is made R, the ratio of the density (D) of the inclusions whose major axis exceeds 5 μm observed in the R/3 position from the axis position toward the radial direction and the density Dsatisfies an inequality (1) below.0.5≦≦1.50  (1)