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JPS5626553B2 |
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JPS5625813Y2 |
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JPS5662771A |
A pneumatic-hydraulically actuated pull type installation tool setting pull type fasteners comprising a tool housing having a pneumatically actuated piston (16), a substantially closed hydraulic circuit including driving conduit (76) and...
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JPS5655666A |
A system for tensioning stranded or wire cables in prestressed concrete comprises an anchoring head having holes in which are anchored the strands or wires. The anchoring head has a ring in screw-threaded engagement with an exterior surf...
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JPS566302Y2 |
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JPS5535568B2 |
A device for tightening, prestressing and untightening a threaded joint has a body for mounting around a nut in the joint. The body is provided with pistons, actuated by pressure medium for providing an elastic elongation of a screw in t...
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JPS5537333Y2 |
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JPS5527968B2 |
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JPS5527830B2 |
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JPS5523806Y2 |
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JPS5565086A |
Hydraulic apparatus for the generation of large tensile forces by means of a number of stacked power units, each having a hydraulically energized power cell, the stack of units being disposed in alignment with the member to be stressed. ...
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JPS5520459Y2 |
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JPS5516789B2 |
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JPS5548583A |
Stud bolts are threaded into the body of a nuclear reactor vessel and tensioned by exerting forces on tensioning nuts located on the upper end of the studs. While the studs are under tension, a cover is attached to the vessel by tighteni...
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JPS5510059Y2 |
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JPS558314B1 |
A hydraulic tensioner for preloading threaded studs or bolts has a cylinder and piston assembly at the top with a spherically concaved bottom surface overlying a matching spherically convex top surface of the supporting pedestal. Said as...
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JPS556524U |
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JPS54162060A |
Disclosed is a device comprising a connecting bolt having a gripping profile near one end and a coupling element having a profile adapted to engage the profile of the connecting bolt. The profile of the connecting bolt is a plurality of ...
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JPS5441760B2 |
Device for actuating screw bolts, one end of which have spanner flats and the other end of which can be screwed into a receptor screw threading to form screw connections on flanges, lids, closures and the like, the device comprising a su...
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JPS54172400U |
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JPS54167897U |
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JPS54163943U |
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JPS5427195Y2 |
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JPS5496900A |
A fluid-operated device for simultaneously pretensioning a plurality of bolts connecting a first body to a second body in which the bolts are screwed with threaded end portions thereof into corresponding threaded bores in the second body...
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JPS5417479B2 |
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JPS5471058U |
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JPS5411456B2 |
A pre-tensioned, screwed joint is assembled or disassembled by using a piston and rod arrangement to elastically extend the screw while a nut is applied or removed.
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JPS5434899U |
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JPS54795U |
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JPS53162498U |
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JPS53152212U |
1355911 Hydraulic actuators WESTING- HOUSE ELECTRIC CORP 25 July 1972 [13 Sept 1971] 34664/72 Heading F1D [Also in Divisions F2 and G6] An hydraulic stud-tensioner 29 surrounds the upper, reduced - diameter portion of a stud 16 which ret...
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JPS53132900A |
A device for tensioning a screw bolt wherein the device comprises a lifting cylinder having a piston and arranged on a support ring and means responsive to the piston for engaging the screw bolt in a positive locking manner including: a ...
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JPS53146197U |
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JPS5347433Y2 |
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JPS5343276Y2 |
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JPS5342879Y2 |
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JPS53113400A |
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JPS5335835Y2 |
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JPS5325920Y2 |
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JPS5324957Y2 |
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JPS5363797U |
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JPS5357400U |
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JPS5315916Y2 |
In order to reduce the time required for removal and replacement of a reactor vessel closure head, previously used studs for securing the closure head are replaced with a reduced member of larger diameter bolts located in radial slots in...
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JPS5346699U |
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JPS52150899U |
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JPS5242477Y2 |
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JPS5242478Y2 |
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JPS52123897U |
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JPS5235920B2 |
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JPS5294964A |
A fastener assembly for installation in holes through work pieces including an elongate fastener with a bearing section to be placed in the holes, a pintail releasably connected to the leading end of the fastener to pull the fastener int...
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