EP 0057308 A1 19820811 - Apparatus and method of blasting undersea rocks.
Title (en)
Apparatus and method of blasting undersea rocks.
Title (de)
Vorrichtung und Verfahren zum Sprengen von Unterwasser-Felsgestein.
Title (fr)
Dispositif et procédé pour faire sauter des roches sousmarines.
Publication
Application
Priority
US 23008781 A 19810129
Abstract (en)
A method and apparatus for blasting undersea rocks uses a chamber (1) having a semi-spherical shape with a flat bottom plate (3), which in operation is placed against the surface of the rocks. The external surface of the semi-spherical container is moulded with a layer of concrete (5).
IPC 1-7
IPC 8 full level
CPC (source: EP)
Citation (search report)
- [A] US 3374737 A 19680326 - PIKE EARL A
- [A] US 3373686 A 19680319 - BLAIN JIM W, et al
- [A] US 2247169 A 19410624 - GILBERTSON HENRY S
- [A] US 4090447 A 19780523 - JOHNSEN OSCAR A
- [A] US 1738920 A 19291210 - ERLE ORMSBY
- [A] FR 1055904 A 19540223
Designated contracting state (EPC)
AT BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0057308 A1 19820811; EP 0057308 B1 19850502; AT E13094 T1 19850515; DE 3170281 D1 19850605
DOCDB simple family (application)
EP 81303580 A 19810805; AT 81303580 T 19810805; DE 3170281 T 19810805