Abstract: A barrier block for defences protecting coastal and riverside structures, aracterized in that it is constituted by a central core (1) of substantially cubic shape having firstly top and bottom faces (12) provided with respective top and bottom anvil-shaped legs (2), the anvil-shaped legs having respective top and bottom surfaces (20) disposed parallel to one another and to said top and bottom faces of the core, the anvil-shaped legs further including inclined flats (22) stemming from opposite unhidden side faces (11) of the core; the core having secondly opposite front and back faces (13) provided with respective front and back legs (3) in the form of four-sided truncated pyramid, one pair (31) of opposite sides of the pyramid-shaped legs stemming from the sides (21) of the anvil-shaped legs and the other pair of opposite sides (32) having their bases at least partially in common with one edge of the adjoining un-hidden side faces of the core.
Type:
Grant
Filed:
February 12, 1980
Date of Patent:
August 31, 1982
Assignee:
Societe Grenobloise d'Etudes et d'Applications Hydrauliques (SOGREAH)
Abstract: A method and apparatus for producing a very fast succession of identical well-defined drops, driven at very high speed, in which a jet of liquid which is divided into droplets by high-frequency vibration is produced at very high speed.
Type:
Grant
Filed:
February 7, 1975
Date of Patent:
October 5, 1976
Assignee:
Societe Grenobloise d'Etudes et d'Applications Hydrauliques (Sogreah)