Patent ID: 8240344
Filing Date: 2012-08-14
Classification: F17C

Abstract:
1. A method that is used to insulate a void in a component of a low-temperature or cryogenic storage tank, and includes the steps of: providing a first opening to the void; providing a second opening to the void; providing a strainer on the first opening; connecting one end of a pipe or tube to the second opening; drawing a vacuum through the first opening; and inserting another end of the pipe or tube into a container of insulation, resulting in the insulation being drawn by the vacuum through the pipe or tube and into the void; wherein the pipe or tube is part of a wand, the wand comprising: an outer cylinder; an inner cylinder that extends through the outer cylinder; a proximal cap that connects proximal ends of the inner and outer cylinders; a distal cap that connects a portion of the inner cylinder to a distal end of the outer cylinder; an air vent on the inner cylinder, near the distal cap; and an air vent on or near the proximal cap.