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:
Oct. 05, 2004
Filed:
Mar. 20, 2003
Applicant:
Inventor:
Jong-Woo Park, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 2/602 ;
U.S. Cl.
CPC ...
B21D 2/602 ;
Abstract
An apparatus of superplastic forming for massive production is able to install a plurality of forming sheets and plates in one apparatus using dies of multi-layer structure and to form the sheets and plates with compressed gas, and therefore, a plurality of products can be fabricated rapidly and massively with a cheap facility investment. If preforms are used instead of flat blank sheets, the productivity can be improved greatly and the products of uniform thickness can be formed massively.