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. 09, 1978
Filed:
Oct. 07, 1976
Applicant:
Inventors:
Seiichi Suzuki, Iwaki, JA;
Tomizo Endo, Iwaki, JA;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
251319 ; 251214 ;
Abstract
A flow control valve for hot pitch or other viscous material, wherein a valve rod is guided by a guide member which has radial indentations in its center aperture to define a number of narrow axial ridges around the circumference of the valve rod to provide stabilized guidance by linear sliding contact with the valve rod.