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:
Nov. 13, 2018
Filed:
Feb. 23, 2017
Rausch & Pausch Gmbh, Selb, DE;
Sebastian Bähr, Gefell, DE;
Rocco Kemnitz, Bobenneukirchen, DE;
Rausch & Pausch GmbH, Selb, DE;
Abstract
The invention relates to a method for manufacturing a pole tube, with two magnetic pole tube parts, for an electromagnet, in particular for a magnetic valve of an automatic transmission in an automobile, including the following steps: (a) arranging the pole tube parts on a centering arbor; and (b), connecting, in particular insert molding and/or casting an outer lateral surface of the pole tube parts; wherein the centering arbor has a radially expandable cylinder surface also closed even in the expanded state. Further, the invention relates to, in particular with the method obtainable, a pole tube, an electromagnet for a magnetic valve, in particular for an automatic transmission in an automobile, having a pole tube according to the invention, and an apparatus for the manufacture of the pole tube.