Patent · US Expired

Method of directing or holding water

US4787776A · kind A · utility

14Cited by
13References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 30, 1981
Grant dateNov 29, 1988
Priority date
Expiry dateJul 30, 2001

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02B5/02
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A method of constructing a means suitable for directing or holding water is described. A depression suitable to direct, transport, or hold water, such as a water catchment or irrigation ditch is covered with cloth, any seams are fastened together, then the cloth is coated with a liquid silicone elastomeric composition curable at atmospheric conditions. The coated cloth edges are stabilized. The method yields a depression having a surface impervious to liquid water that has a long expected life due to its resistance to damaging effects such as weathering and exposure to wandering animals.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.