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:
Oct. 28, 1986
Filed:
May. 13, 1985
Applicant:
Inventors:
Herbert Bachmann, Lucerne, CH;
Karl-Otto Hornung, Hombrechtikon, CH;
Assignee:
Stopinc Aktiengesellschaft, Baar, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
266236 ; 266287 ; 222598 ;
Abstract
A rotary sliding closure unit includes stationary and rotary refractory members having respective discharge openings and fixed and rotary mounting devices for supporting the respective refractory members. The rotary member is rotated by the rotary mounting device with respect to the stationary refractory member along respective complementary abutting sliding surfaces thereof. Air is prevented from contacting the abutting sliding surfaces by an annular chamber defined between the fixed and rotary mounting devices and closed by an annular seal positioned therebetween.