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:
May. 10, 2011
Filed:
Nov. 19, 2010
Hsinn-jyh Tzeng, Taipei, TW;
Ming-li Wu, Tainan Hsein, TW;
Jen-chou Hsiung, Kaohsiung, TW;
Yan-cherng Lin, Nantou County, TW;
Shun-fua Su, Taichung, TW;
Chia-tsung Chang, Nantou, TW;
Hsinn-Jyh Tzeng, Taipei, TW;
Ming-Li Wu, Tainan Hsein, TW;
Jen-Chou Hsiung, Kaohsiung, TW;
Yan-Cherng Lin, Nantou County, TW;
Shun-Fua Su, Taichung, TW;
Chia-Tsung Chang, Nantou, TW;
Southern Taiwan University, Tainan County, TW;
Abstract
An apparatus and method for spiral polishing with electromagnetic abrasive has adopted the principle of electromagnetic and magnetic abrasive along with a lead screw to polish the inner or outer surface of a precise screw or a complicated part. The apparatus includes a clamp, a lead screw, a first electromagnet, and a second electromagnet assembled in an airtight space, wherein the airtight space is filled with magnetic abrasive which is driven by the rotation of the lead screw and the electromagnetic function to polish a processed part in a regular shape or in an irregular shape.