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:
Sep. 04, 1984
Filed:
Sep. 24, 1982
Applicant:
Inventors:
Assignee:
Deutsche Babcock Aktiengesellschaft, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ; F16J / ;
U.S. Cl.
CPC ...
277 12 ; 241179 ; 277 74 ;
Abstract
A tube mill operated under superpressure in the milling chamber is sealed by means of blocking air, which is made available in a blocking air chamber (9) arranged on the stationary part of the journal (2) of the tube mill. A blocking air channel is provided between the stationary and the rotating part of the tube mill and joins the blocking air chamber (9) to the milling chamber. The blocking air channel contains an inclined extending section (19), which is arranged at an acute angle to the longitudinal axis of the tube mill.