FIELD: mining industry. SUBSTANCE: arched framed support is made of special-profile metal members. It is intended for supporting development workings and has upper beam, posts, and interframe connections. Connections are made of angle and lengths of special profile stock electrically welded to angle ends. Metal lengths are inserted into troughs of upper beam components and frame posts at places which are fixed by bosses welded to profile stock flanges, and are additionally secured on posts by yokes. EFFECT: higher efficiency. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| RECTANGULAR METAL OR COMBINED SUPPORT OF DEVELOPMENT WORKINGS | 1996 |
|
RU2121579C1 |
| TRAPEZOIDAL FRAME-TYPE METAL SUPPORT OF SPECIAL CROSS-SECTION OR COMBINATION SUPPORT WITH ROOF BEAM OF SPECIAL CROSS-SECTION FOR DEVELOPMENT WORKINGS | 1994 |
|
RU2082006C1 |
| SUPPORT FOR DEVELOPMENT WORKINGS | 1996 |
|
RU2116453C1 |
| SUPPORT FOR DEVELOPMENT WORKINGS | 1997 |
|
RU2134347C1 |
| ELEMENTS OF METAL ARCHED SUPPORT IN FORM OF CANTILEVERS, WHICH FORM CANTILEVER PART OF SUPPORT, PROVIDING CONTINUITY OF SUPPORT | 2019 |
|
RU2725194C1 |
| FRAME SUPPORT | 0 |
|
SU1804561A3 |
| PLATFORM-LINING JACK SYSTEM | 2018 |
|
RU2708130C1 |
| METHOD FOR INSTALLATION OF SUPPORT OF MINE WORKING AND SUPPORT FOR ITS REALIZATION | 1989 |
|
RU2034155C1 |
| METAL SUPPORT FOR MINE WORKINGS | 1991 |
|
RU2027011C1 |
| METAL ARCH SUPPORT | 0 |
|
SU1392245A1 |
