<p>An irreversible pressure indicator, comprising a sealed vessel forming a fluid chamber and at least one indicating chamber; an indicating material contained within the fluid chamber, said material capable of being acted upon by a pressure force; and a gas contained within the indicating chamber, said gas capable of being displaced or compressed by said indicating material, and a method for using the same.</p>
申请公布号
WO2012158820(A1)
申请公布日期
2012.11.22
申请号
WO2012US38179
申请日期
2012.05.16
申请人
VOLK ENTERPRISES, INC.;PARKER, ROBERT;VOLK, DANIEL, J.