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.

Date of Patent:
Jan. 19, 1993

Filed:

Mar. 23, 1992
Applicant:
Inventor:

Martial Schwarz, Cournon-d'Auvergne, FR;

Assignee:

Michelin & Cie, Clermont-Ferrand Cedex, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165 89 ; 72201 ; 34119 ;
Abstract

Cylinder for rubber mixing mill, consisting of a hollow cylinder 1 and two flange-journals 2, 3 and driven by a hydraulic motor 21 with a hollow shaft. The hollow cylinder has longitudinal channels 4 provided with solid rods 8 fastened in the two flanges. The temperature regulation of the cylinder is provided by a crossed dual circuit. The temperature regulating fluid circulates in longitudinal channels 4 then cools the inner wall 19 of the hollow cylinder before being evacuated along the axis of the cylinder.


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