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. 27, 1990
Filed:
Oct. 11, 1988
Anton Domes, Bruchkobel, DE;
Alfred Horitzer, Stuttgart, DE;
Heraeus Edelmetalle GmbH, Hanau, DE;
Abstract
Positive wax models are disposed on carriers in a casting frame so that the widest cross sections are in a common plane, vertical fitting pins are provided, and the frame is filled with silicone to the level of the plane to form a first model. The surface is then coated with silver, electroplated with copper, and reinforced with synthetic resin to form a first electrode, which is removed from the first model. The first model is likewise removed from the frame and oriented by means of the fitting pins in a casting frame filled with hardening carrier mass to the plane of the widest cross sections. The carriers and molding mass are then removed to form a second model. The surface of the second model is then coated with silver, electroplated with copper, and reinforced with synthetic resin to form a second electrode, which is removed from the second model. The electrodes are then used to erode respective opposite sides of an erosion body to form the spare parts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile