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. 28, 2003
Filed:
May. 10, 2002
Kwang-Koo Jee, Seoul, KR;
Korea Institute of Science and Technology, Seoul, KR;
Abstract
For a pipe joining method using shape memory alloy capable of preventing a shape memory capacity loss due to a pipe's tolerance, a shape memory alloy joint having an inner diameter greater/less than an outer diameter of pipes to be joined is installed at the outer/inner circumference of a pipe joining portion, and the pipes and the shape memory alloy joint are simultaneously enlarged/reduced. In addition, a general metal joint having an inner diameter greater/less than an outer diameter of shape memory alloy pipes to be joined is installed at the outer/inner circumference of a shape memory alloy pipe joining portion, and the shape memory alloy pipes and the general metal joint are simultaneously enlarged/reduced.