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:
Jun. 04, 2019
Filed:
Jul. 24, 2014
Hitachi High-technologies Corporation, Tokyo, JP;
Takushi Miyakawa, Tokyo, JP;
Yukinori Sakashita, Tokyo, JP;
Yoshihiro Yamashita, Tokyo, JP;
Katsuhiro Kambara, Tokyo, JP;
Hitachi High-Technologies Corporation, Tokyo, JP;
Abstract
The nozzle cleaning method includes the following steps: a first cleaning step in which a pre-pressurization liquid is discharged from a dispensing nozzle in a first cleaning position so as to clean the inside wall thereof and a first cleaning liquid is applied to the outside wall of the dispensing nozzle so as to clean said outside wall; a second cleaning step in which a second cleaning liquid is suctioned into the dispensing nozzle in a second cleaning position so as to clean the inside wall thereof; and a third cleaning step in which the second cleaning liquid is discharged from the dispensing nozzle in a third cleaning position so as to clean the inside wall thereof and a third cleaning liquid is applied to the outside wall of the dispensing nozzle so as to clean said outside wall.