Patent ID: 6712546
Filing Date: 2004-03-30
Classification: B28B

Abstract:
A permanent form for receiving formable building material to create a structure, the permanent form comprising:a plurality of polymeric segments, wherein a portion of at least one of said segments defines a female end, said female end defining a bore; wherein a portion of at least one of said segments forms a male end that substantially conforms to said bore, said male end having a reduced dimension relative to the remainder of said segment, whereby said male end is receivable in said bore of said female end to interlock said segments; wherein said segments are provided with a reinforcing profile, said segments having an outer surface and an inner surface, wherein said inner surface includes at least one reinforcing rib; and a rim formed, on said segments and at least partially overhanging said outer surface of said segments, said rim being located above said rib, whereby when said form is filled, a layer of material fills the recess.