Patent ID: 9233775
Filing Date: 2016-01-12
CPC Classification: B29C,B65D,E03F,F16L

Claim Text:
1. A plastic chamber for use in receiving and containing water when buried beneath the surface of the earth, the chamber articulable from a configuration for transport to a configuration for use; wherein in the use configuration the chamber has a length, a height, a base and associated base plane, a top, an arch shape cross section, spaced apart lengthwise base flanges wherein each flange has an interior edge lying in the base plane, and two opposing corrugated sidewalls, each sidewall running upwardly from one of the base flanges to the top of the chamber; and wherein in the transport configuration the chamber height is substantially reduced and the spacing between the base flanges is substantially increased, compared respectively to the height and base flange spacing associated with the chamber in use configuration; which chamber is comprised of a first half chamber and a second half chamber, the half chambers separately formed and connected to each other at a lengthwise running hinge joint at the top of the chamber, the hinge joint having a lengthwise running hinge axis.