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:
May. 04, 2010
Filed:
Dec. 06, 2002
Takeo Yajima, Tokyo, JP;
Takeo Yajima, Tokyo, JP;
Koganel Corporation, Tokyo, JP;
Abstract
A buffer tank section () includes a liquid accumulation chamber () communicating with, through a liquid introduction flow path (), a liquid tank () accumulation chemical liquid. A filter section () includes a filter inlet () and a filter outlet (), wherein the filter inlet () communicates with a liquid discharge vent () of the buffer tank section (). In a pump (), a pump inlet () is connected to the filter outlet () and a pump outlet () is connected to a discharge nozzle () through a liquid discharge flow path (). A return flow path () is connected between the pump outlet () and the buffer tank section (), wherein the chemical liquid, discharged from the pump (), is returned to the liquid accumulation chamber (). An exhaust flow path () is connected to the buffer tank section (), thereby exhausting air in the liquid accumulation chamber ().