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:
Feb. 04, 2025
Filed:
Sep. 19, 2019
Applicant:
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Matthias Busse, Bremen, DE;
Franz-Josef Wöstmann, Bremen, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 9/22 (2006.01); B22C 9/06 (2006.01); B22C 9/10 (2006.01); H02K 15/04 (2006.01);
U.S. Cl.
CPC ...
B22C 9/22 (2013.01); B22C 9/061 (2013.01); B22C 9/064 (2013.01); B22C 9/103 (2013.01); H02K 15/045 (2013.01);
Abstract
The invention relates to a casting mould for producing helical cast bodies (), in particular coils, springs or spirals, having a mould () in the form of a permanent mould which determines the outer contour of the helical body and consists of a ceramic material or is coated by a ceramic material; a supporting tool (), which supports the mould () from outside; and a mould core (), which defines the continuous opening within the helical body () and consists of a ceramic material or is coated by a ceramic material, the mould core being formed in particular as a core puller.