Type of flexible mat for lining embankments
AssigneeRevetment Systems Australia (QLD) PTY Ltd.
InventorFrank Carey
Life of this patent
Estimating the term…
Abstract
A body having an interior with a plurality of chambers, a plurality of fracture zones and a plurality of filter zones which permit water to pass through opposing exterior surfaces of the body, in use the body interior being arranged to receive a substance which hardens on drying and fractures at locations defined by the fracture zones.
Claims26
A body having an interior with a plurality of chambers, the improvement wherein the body comprises a plurality of fracture zones which are adapted to create fractures in a settable substance as it hardens inside the body and a plurality of filter zones which permit water to pass through opposing exterior surfaces of the body.
A body having an interior with a plurality of chambers, the improvement wherein the body comprises a plurality of fracture zones which are adapted to create fractures in a settable substance as it hardens inside the body and a plurality of filter zones which permit water to pass through opposing exterior surfaces of the body, and wherein each chamber is defined by a plurality of boundary portions with each fracture zone comprising an opening between opposing end portions of different boundary portions.
Dependencies are inferred from the claim text.