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:
Feb. 25, 2014

Filed:

Mar. 15, 2011
Applicant:

Yukio Iwata, Tokyo, JP;

Inventor:

Yukio Iwata, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bleeder plug is provided with a bleeder body having a nipple portion and a threaded portion and being provided with a through hole extending from the nipple portion-side end to the threaded portion-side end; a seat pin having a press fitting portion to be press-fitted in an opening of the through hole at the threaded portion-side in the bleeder body and a seat portion blocking a bleeder hole, and a groove formed in a contact surface between the bleeder body and the seat pin and communicating the opening of the through hole at the nipple portion-side with an outside space via the contact surface.


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