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:
Jul. 07, 2015
Filed:
Apr. 09, 2012
Jung Pil Han, Ulsan, KR;
Jong Kyon Jeong, Ulsan, KR;
Son Cheal Bang, Ulsan, KR;
Sung Seock Hwang, Cheongju-si, KR;
Jung Pil Han, Ulsan, KR;
Jong Kyon Jeong, Ulsan, KR;
Son Cheal Bang, Ulsan, KR;
Sung Seock Hwang, Cheongju-si, KR;
LG HAUSYS, LTD., Seoul, KR;
Abstract
An apparatus for measuring the degree of vacuum of a multistage vacuum heat-insulating member and to a measurement method using the same includes a chamber in which a plurality of vacuum heat-insulating members are accommodated and which forms a sealed space; a shelf arranged within the chamber so as to support the plurality of vacuum heat-insulating members in a plurality of layers; a displacement sensor for sensing the displacement of each outer shell of the vacuum heat-insulating members stacked on the shelf; and a vacuum unit connected to the chamber so as to regulate the pressure of the internal space of the chamber.