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:
Feb. 27, 2018
Filed:
Feb. 12, 2014
Applicant:
Jiang Wang, Jiangsu, CN;
Inventor:
Jiang Wang, Jiangsu, CN;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A61F 5/02 (2006.01);
U.S. Cl.
CPC ...
A61F 5/028 (2013.01); Y10T 29/49826 (2015.01);
Abstract
An expansion band includes a first layer, a second layer, a shrinking layer for shrinking the first layer and the second layer, a bond line for sealing the first layer and the second layer to form an inner space therein and dividing the inner space into a plurality of air passages which communicate with each other, and an air nozzle communicate with the air passage. The shrinking layer includes a third layer overlapped on the second layer and a plurality of elastic bands extended between the second and third layers.