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:
Sep. 11, 2012
Filed:
Apr. 20, 2007
Applicant:
Kwang Ho Lee, Seoul, KR;
Inventor:
Kwang Ho Lee, Seoul, KR;
Assignee:
E2ST Inc., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a flexible wire (), which is inserted in a pipe and rotated in a high speed to remove scale produced in a pipe by striking. A flexible wire () for removing pipe scales comprising: a main wire () having plural wires twisted in a spiral direction as one body, wherein the main wire () has an overall straight shape; and an auxiliary wire () having plural wires twisted in a spiral direction as one body, of which a diameter is substantially smaller than a diameter of the main wire (), wherein the auxiliary wire () is secured to the main wire () and has an overall repeated S-shape.