Method and supporting claw for producing a connection between a round-link chain removing a load and a support frame in mining and tunnelling
DE2931502B1
Multi-part clamping connection for channel-shaped section expansion profiles
DE2755085A1
Mine gallery support structure - uses channel frames with yielding joints, incorporating support shoes located by cross straps
DE2741464A1
Multiple yielding support for mine roadways - uses bracket shoe at face junction formed from cheeks and claws for stringer, working with stops at crown and wall segment overlaps
GB1551851A
Clamping means for the joint between overlapping end of sections of arches supporting the roof of an underground gallery
DE2607307A1
DEVICE ON OVERLAPPING EXTENSION PROFILE SEGMENTS OF THE ARC-SHAPED TRACK SUPPORT IN MINING AND TUNNELING FOR PRE-ASSEMBLY OF THE STRUCTURES.
DE2547407A1
Mine roadway arch section clamp - has collar top strap with holes for jointing screws with head and shanks supported by hole rims
DE2515166B1
TENSIONING CONNECTION FOR INTERLOCATING ENDS OF GROUND-SUPPORTED GUTTER PROFILES OF PIT SUPPORTING FRAMES
DE2437988A1
Strap for clamping overlapping tunnel lining members - trough section strap has locating ends for trough-shaped members
DE2322658A1
DEVICE FOR ASSEMBLING AND REMOVING GUTTER PROFILES OF ROUTE CONSTRUCTION, ESPECIALLY IN MINING
DE2310660B1
FRAME-SHAPED EXPANSION FOR STRETCHES OF UNDERGROUND OPERATION, TUNNEL OR DGL
YU189172A
Bolt with a hook for interconnecting overlapping ands of underpinning profiles, particularly profiles of underpinning supports at underground passages und tunnels
DE2216643A1
METHOD AND DEVICE FOR ASSEMBLING LINE STRUCTURES, IN PARTICULAR FOR MACHINE LINE FORWARD DRIVING WITH SECTION CUTTING MACHINES IN MINING
DE1758727A1
Two-part joint to connect two segments of the steel line extension in mining
DE1758028A1
Arrangement to support the steel line extension at the transition to the longwall line
DE1483883A1
Clamping connection for insertable gutter segments of track extension frames
DE1483882A1
Clamping connection for insertable gutter segments of track extension frames
GB1093288A
Overhead cranes
DE1237967B
Clamping connection for the nested ends of the gutter profiles of flexible pit support frames
DE1257719B
Procedure for the migratory expansion of mining struts
