FIELD: seismic prospecting in water areas. SUBSTANCE: pneumatic source of seismic signals has piston and cylinder interacting with piston. Lower part of cylinder has annular groove housing sealing member manufactured from two rings as minimum. One of rings has shape of parallelogram and the other one is L-shaped. L-shaped ring is produced from elastic material. EFFECT: increased sealing degree of cylinder with respect to piston. 2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PNEUMATIC SOURCE OD SEISMIC SIGNALS AND PROCESS OF MANUFACTURE OF GROOVE IN ITS SEAL RING | 1993 |
|
RU2090907C1 |
| PNEUMATIC SOURCE OF SEISMIC SIGNALS | 1993 |
|
RU2087925C1 |
| GEAR TO EXCITE SEISMIC WAVES | 1992 |
|
RU2090906C1 |
| DEVICE FOR MARINE SEISMIC EXPLORATION | 1992 |
|
RU2032190C1 |
| PNEUMATIC SOURCE OF SEISMIC SIGNALS | 1991 |
|
RU2034310C1 |
| PNEUMATIC SOURCE OF SEISMIC SIGNALS FOR WATER AREAS | 0 |
|
SU1109694A1 |
| PNEUMATIC SOURCE OF SEISMIC SIGNALS | 0 |
|
SU1056102A1 |
| 'IMPULS'PNEUMATIC SOURCE OF SEISMIC SIGNALS | 0 |
|
SU658518A1 |
| PNEUMATIC RADIATOR OF ELASTIC SIGNALS | 0 |
|
SU1080197A1 |
| 0 |
|
SU548815A1 |
