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:
Jul. 16, 2013
Filed:
Jul. 25, 2011
Applicant:
Yoshiaki Aso, Kyoto, JP;
Inventor:
Yoshiaki Aso, Kyoto, JP;
Assignee:
Shimadzu Corporation, Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 1/00 (2006.01); F04B 41/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cleaning chamber is provided in a seal holder and two cleaning chamber flow paths communicating with the cleaning chamber from outside are provided. A pipe connected to a vessel storing a mobile phase is connected to one of the cleaning chamber flow paths. A pipe as a flow path connected to a mobile phase sucking flow path into a pump chamber is connected to the other cleaning chamber flow path. When the mobile phase is taken in, the mobile phase is sucked into the pump chamber via the cleaning chamber.