For direct screwing into concrete A thread forming screw for concrete, masonry, rock, or similar material. The size ratios of various portions of the screw are defined to reduce thread enga... S Hettich,U Hettich - US 被引量: 43发表: 1997年 Anterior plating and percutaneous iliosacral scre...
A screw is introduced into a drilled hole (6) in a solid but porous material (7), especially concrete, in a sealed manner by means of pushing a cartridge (17) into said drilled hole (6) and then screwing the thread-cutting screw (1) in. A sealing agent (19) that is contained in...
A self-driving, self-tapping screw for screwing into porous concrete has an outer diameter at least one and half times greater than the diameter of the root. The screw thread profile is asymmetrical about a plane perpendicular to the screw axis. The screw thread flank (7) facing the screw ...
The method involves placing a closure element (1) in the blind hole, and screwing the closure element into the secondary wall section of the blind hole, such that a body section (3) of the closure element without outer threading is in the area of the primary wall section of the blind ho...
not available for EP118021of corresponding document:A screw is introduced into a drilled hole (6) in a solid but porous material (7), especially concrete, in a sealed manner by means of pushing a cartridge (17) into said drilled hole (6) and then screwing the thread-cutting screw (1)...
The device for support of external building wall facing slabs incorporates an anchorage, with a vertical threaded bolt for screwing into a component anchor... B Nichtnennung 被引量: 0发表: 1978年 Endoprosthesis and dowel for anchorage in a material with bone-like strength The endoprosthesis compr...
SOLUTION: According to the channel repairing method, the panel 10 which is made of ultra-high strength fiber-reinforced concrete and has fixing bumps 11 formed on a rear surface thereof, is stuck to a channel bottom surface to secure a gap between the panel 10 and the bottom surface, and ...
Seismic per- formance of a newly developed self-screwing retrofit wall to diaphragm anchorage system was then investigated through two series of pull out tests. Of these, the first series involved the testing of 30 anchors installed into salvaged timber diaphragm sections and reconstructed heritage ...
Wall plug with bolt - comprises bolt screwing into expanding coil springThe plug is for insertion in cylindrical holes in masonry, stone, concrete etc., and comprises a bolt and a coil spring. The bolt head can have a screw thread and nut, or an integral hexagonal head, also a long ...
not available for EP1180219of corresponding document: WO0073671 A screw is introduced into a drilled hole (6) in a solid but porous material (7), especially concrete, in a sealed manner by means of pushing a cartridge (17) into said drilled hole (6) and then screwing the thread-cutting ...