Title:
A ROCK BREAKING PRODUCT
Document Type and Number:
WIPO Patent Application WO/2011/127491
Kind Code:
A3
Abstract:
A rock breaking product (32) which includes a sealed, elongate, flexible tube (40), a cartridge (74), with an energetic material, inside the tube and a valve arrangement (68) for allowing the tube to be filled and expanded with water whereby the cartridge is placed in a mode in which the energetic material can be ignited.
Inventors:
LEPPANEN JARMO UOLEVI (ZA)
Application Number:
PCT/ZA2011/000018
Publication Date:
December 01, 2011
Filing Date:
April 06, 2011
Export Citation:
Assignee:
SANDVIK MINING & CONSTR OY (ZA)
LEPPANEN JARMO UOLEVI (ZA)
LEPPANEN JARMO UOLEVI (ZA)
International Classes:
F42D1/22; F42D3/04
Domestic Patent References:
| WO1997021068A1 | 1997-06-12 |
Foreign References:
| US4036100A | 1977-07-19 | |||
| US4040330A | 1977-08-09 | |||
| US3696703A | 1972-10-10 | |||
| US4522125A | 1985-06-11 |
Attorney, Agent or Firm:
MCCALLUM RADEMEYER & FREIMOND et al. (Ferndale, 2125 Randburg, ZA)
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