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. 19, 1980
Filed:
Sep. 02, 1977
Applicant:
Inventors:
Joachim Floymayr, Hanau am Main, DE;
Karl Jericho, Hanau am Main, DE;
Dietrich Drechsel, Bruchkobel, DE;
Friedrich Bubeck, Pforzheim, DE;
Assignee:
Leybold-Heraeus GmbH & Co. KG, Cologne, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
422249 ; 156D / ;
Abstract
An apparatus for the zone drawing of monocrystal rods comprises a hermetically sealed housing having two rod holders movably disposed rotatably and vertically one over the other within the housing. A stationary high frequency heating system is disposed between the rod holders. Each rod holder comprises one transport slide, a sliding guide and a spindle drive disposed within the housing for the independent vertical movement of the rod holders and one drive for the rotation of the rod holders.