Inventors:
Yatish J. Joshi - South Bend IN, US
Larry J. Costa - Mishawaka IN, US
Louise E. Addicott - South Bend IN, US
Assignee:
GTA Containers, Inc. - South Bend IN
International Classification:
G01M 1900
US Classification:
2940701, 2940705, 2940708, 294551, 220565, 383 66, 383119, 383904, 73 40, 73 407, 73 493, 738658
Abstract:
A liquid storage tank and a method of fabricating and testing the liquid storage tank. The tank is collapsible for ease of transportation when not holding a liquid and includes a base portion and a top portion. The base portion has a bottom wall and a frusto-conical sidewall that is sealed to the bottom wall. The top portion is sealed to the sidewall, and has a flexible opening. The opening is linear in the preferred embodiment and is openable to draw liquid from the tank and closable to prevent contaminants from entering the tank. The bottom wall is substantially circular and the top portion includes two substantially semi-circular sections joined and overlapped along the straight edges to form an overlapped region. The sidewall includes generally triangular-shaped sections, and the sections are joined to one another with seams that extend in a slightly helical fashion about the tank. The opening includes a slit in the overlapped region and two L-shaped members.