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.

Date of Patent:
Dec. 09, 2014

Filed:

Aug. 11, 2011
Applicants:

Yuuki Ooi, Shizuoka, JP;

Atsushi Ooshima, Shizuoka, JP;

Nobuyuki Sone, Shizuoka, JP;

Inventors:

Yuuki Ooi, Shizuoka, JP;

Atsushi Ooshima, Shizuoka, JP;

Nobuyuki Sone, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21H 3/04 (2006.01); B21H 7/18 (2006.01); B05C 11/02 (2006.01); B21B 19/12 (2006.01); B21D 3/02 (2006.01); B21B 27/00 (2006.01); B21D 15/00 (2006.01); B21J 15/12 (2006.01); B05C 1/08 (2006.01);
U.S. Cl.
CPC ...
B21H 7/182 (2013.01); B05C 1/0808 (2013.01); B05C 1/0826 (2013.01); B05C 11/025 (2013.01);
Abstract

A method for manufacturing a coating rod, comprising the steps of preparing a rod material, disposing a pair of form rolling dies having a plurality of helical convex threads, so that the closure angle of a main axis of each of the form rolling dies in the horizontal direction of the main axis is substantially 0.25° or larger but not larger than 0.35° with respect to an axial direction of the rod material, and form-rolling the rod material by feeding the rod material along the axial direction thereof and rotating the pair of form rolling dies around the main axes thereof, while clamping the rod material with the pair of form rolling dies.


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