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:
Apr. 01, 2014
Filed:
Jul. 13, 2007
Zhengping Zhang, Sterling, VA (US);
Zhengping Zhang, Sterling, VA (US);
Other;
Abstract
An internal valve (' or″) and its methods of use for stabilizing and reinforcing inflatable objects are disclosed. The internal valve is a novel, simple modification to conventional check valves with the addition of a discharging means (or)for external control. An internal supplemental chamber comprises one or more partitions that are secured, directly or by I-beams (′), to main chamber's walls () of an inflatable object and stretched when the main chamber is inflated. With the internal valve as the passage to and from the main chamber, the enclosed or isolated supplemental chamber (or) functions as a stabilizing or reinforcing component. A plurality of chamberscan form cylinder beams for an inflatable mattress.