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Modular wall unit, system and method for making storage containers and barriers

  • US 5,778,618 A
  • Filed: 06/26/1997
  • Issued: 07/14/1998
  • Est. Priority Date: 11/26/1993
  • Status: Expired due to Fees
First Claim
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1. A containment system comprising:

  • a base including a horizontal upper surface;

    a plurality of identically configured precast, unitary wall units interconnected in side-by-side relationship and disposed upon said base and combining with said upper surface to form at least one containment chamber having a polygonal plan-form, each said wall unit including a rectangular center panel and integrally formed and rectangularly configured side panels, said side panels extending from opposite side edges of said center panel and lying in planes which intersect a plane including at least a part of said center panel at predetermined angles, each said center panel including a central portion of a first thickness disposed between two side portions of a second thickness less than said first thickness, said side panels also having a thickness less than said first thickness, said side portions being matingly engaged to and fastened to a side panel of a like wall unit positioned adjacent thereto.

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