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. 01, 2011
Filed:
Sep. 15, 2008
Pei-chin Kuo, Taipei Hsien, TW;
Juey-fong Chang, Taipei Hsien, TW;
Wen-tao Wang, Shenzhen, CN;
Zhi-gang HU, Shenzhen, CN;
Cheng-hung Lin, Taipei Hsien, TW;
Pei-Chin Kuo, Taipei Hsien, TW;
Juey-Fong Chang, Taipei Hsien, TW;
Wen-Tao Wang, Shenzhen, CN;
Zhi-Gang Hu, Shenzhen, CN;
Cheng-Hung Lin, Taipei Hsien, TW;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
An exemplary punch die () includes a lower die () and an upper die (). The lower die includes a die core (), a blank holder (), and a cylinder () disposed in the lower die. The blank holder is disposed on a periphery of the die core. The cylinder is connected to the blank holder and provides a constant force to the blank holder. The upper die includes a punch core corresponding to the die core. A punch machine using the present punch die is also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile