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:
Aug. 14, 2007
Filed:
Aug. 20, 2003
Miki Tomioka, Nobeoka, JP;
Toshihiro Hanada, Nobeoka, JP;
Miki Tomioka, Nobeoka, JP;
Toshihiro Hanada, Nobeoka, JP;
Asahi Organic Chemicals Industry Co., Ltd., Miyazaki, JP;
Abstract
A pinch valve is provided with a main body () accommodating a tube body (), a cylinder body () having an upper cylinder portion () and a lower handle support portion (), a piston accommodated in the cylinder portion, a pressing piece () fixed to the piston for pressing the tube body, a cylindrical handle (), a hollow stem (), and a piston pusher (). The handle has a female screw portion, and a male screw portion having a pitch larger than the pitch of the female screw portion and adapted to be screwed with the female screw portion formed on the handle support portion. The stem has a male screw portion adapted to be screwed with the female screw portion of the handle on outer periphery, and is accommodated in the cylinder body. The piston pusher is inserted into the stem so that the bottom end surface thereof comes into contact with the top end of the piston and is urged toward the piston by a spring.