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WO/2010/119149A1 |
Structure for coupling between a screw head and a tightening tool, in which the free end wall of the head (1) of the screw (2) comprises a recess (3) with a curved concave surface, and the tip of the tool (5) ends in a protuberance (6) w...
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WO/2010/113897A1 |
A fastening structure (1) comprises a fastening assist member (4), a bolt (3) and a nut (2). The fastening assist member (4) is fixed to a member (5) to be fastened with its through hole (52) uncovered by the assist member. The bolt (3) ...
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WO/2010/111213A1 |
The invention provides a threaded fastener having a head (20) with a driving recess (22), the recess being of generally cruciform shape in cross-section transverse to the axis of the fastener to provide four driving segments (24) uniform...
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WO/2010/111593A2 |
Disclosed is a blind bolt fastener that includes a threaded nut and bolt combination that passes through a deformable sleeve that has a shoulder, a deformable portion and a non-deformable portion. Upon tightening of the threaded bolt and...
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WO/2010/099775A1 |
The invention relates to a working and placing tool (1) for connecting elements (2, 2a, 2b, 2c) in the form of a hand-held tool, comprising a drive unit (10) and a transfer and placing head (17, 17a, 17b, 17c, 17d, 17e) that is drivably ...
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WO/2010/100434A1 |
A rotating device (1) arranged to rotate about an axis and having a body portion (2) containing a cavity (20), the body portion (2) having an upper surface (10) having a substantially circular access hole (12) therethrough generally of a...
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WO/2010/089028A1 |
The invention relates to an exhaust gas turbocharger having an impeller (16) disposed on a rotatable shaft, said impeller being secured in the axial direction by means of a threaded element (1), wherein the threaded element (1) comprisin...
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WO/2010/046587A1 |
It has become apparent that the dimensions of inbuilt-collar driving means of the same nominal size can vary according to the manufacturing process. The dimensions of the collar have to be adapted to suit the method of manufacture accord...
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WO/2010/046611A2 |
The invention relates to a method for manufacturing a bolting part, such as a screw (10) or a nut, comprising a head (12) comprising a perimeter (18) including at least one shoulder (20) extending in a radial plane. The method comprises ...
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WO/2010/041437A1 |
A screw configured such that a driver bit effectively engages with a cross-shaped groove of the screw to efficiently transmit rotational force of the driver bit to the screw. Left and right inner side surfaces of each of first to fourth ...
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WO/2010/029633A1 |
[PROBLEMS] To provide a fall-out prevention fastener having a simple structure and effectively prevented from falling out of a fall-out prevention fastening tool without a worker being required to exert a large force. [MEANS FOR SOLVING ...
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WO/2010/024026A1 |
A combination of a screw driver bit (10) and a screw (20). In the screwdriver bit (10), radial outer peripheral edges (14a) of a cross edge section (14) and the tilt angle of the outer peripheral edges (14a) are configured so that a tip...
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WO/2010/014881A1 |
An assembly improving, lower mass fastener head that is easier to handle and reduces the amount of material that is required in manufacturing the fastener comprises three lugs at multiples of 60 degrees around an axis of a threaded body....
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WO/2010/012706A1 |
A drive design for a fastening element installed using screws, in particular a screw or a nut, comprises drive surfaces (13) disposed at least approximately in radial planes and transition surfaces (15) disposed between said drive surfac...
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WO/2010/000204A1 |
A fastener provided with fastening teeth and a special wrench thereof. The fastener includes fastening teeth (45). One fastening tooth (45) consists of a convex tooth (4) and an adjacent tooth trough (5) engaged therewith. The fastening ...
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WO/2009/153762A2 |
The present invention relates to a helical, polygonal or mixed staircase structure obtainable by assembling a plurality of modular plate-like elements, comprising two lateral flanks spaced from, and connectable with each other by means o...
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WO/2009/142469A1 |
The invention relates to a handtool and screwed fasteners. The invention ensures the long service life of screw drives and wood screws and the processabilty thereof. The screw consist of a head and a working end with a screw thread. The ...
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WO/2009/132259A2 |
Apparatus and methods for increasing the torque capacity of connections between tubular members. In some embodiments, the connection is threaded. The apparatus may include a first tubular end (110) having a torque member (130) moveable t...
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WO/2009/132001A1 |
An article for use in a torque transmitting system which has a drive surface configuration having side and end surfaces is disclosed. The end surface tapers upwardly and outwardly from a lowermost point provided along a longitudinal axis...
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WO/2009/111796A1 |
A fastening device is provided and includes an elongated fastener, a head, and an elastomeric element. The head is coupled to an end of the elongated fastener, and the elastomeric element is coupled to a surface of the head substantially...
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WO/2009/107018A2 |
The dowel is manufactured from a metal sheet blank. It comprises a collar (1), a material drilling end (2) and, between the collar (1) and the drilling end (2), an expandable tubular body (3), having the part thereof (8) adjacent to the ...
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WO/2009/094107A2 |
The invention relates to method(s) and device(s) for accurately positioning and fastening a surface cover to the surface. A surface cover can be provided with a cover snap member that has a drill guide through which a hole can be drilled...
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WO/2009/073663A1 |
A truss screw is disclosed for use in fastening framing members together. In embodiments, the truss screw includes a raised recess section having walls extending from a top surface of the screw head. The raised recess sinks into the back...
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WO/2009/006181A1 |
A fastener (10) which includes a recess (18) that includes a plurality of alternating lobes (24) and flutes (22), where each of the flutes (22) and lobes (24) is twisted or angled. The fastener (10) can be driven using a conventional mul...
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WO/2009/001635A1 |
Provided are a screw, which can reduce the cam-out remarkably if used with a special driver bit, but can also be used with a driver bit for a standard cross hole and which can reduce the cam-out considerably, and a special driver bit. In...
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WO/2008/138907A1 |
The theft-protected screw part in the form of a nut or a screw has a free end region (20) and a ring-shaped depression (24) formed at said end region (20) for the engagement of a wrench for rotating the screw part. Viewed from radially o...
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WO/2008/140289A1 |
An improved fastener comprises of a threaded shank (11), and a head (12) connected to the threaded shank (11) characterized in that the head (12) having a recess (13) that is formed with a plurality of grooves (16) extend in radial direc...
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WO/2008/136765A1 |
A fastener with a recess head wherein the drive head has four lobular recess channels. Each channel comprises a first wall, a second wall, a bottom surface and a recess sidewall. The first and second walls have portions opposing each oth...
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WO/2008/131015A2 |
An adjusting screw configured to be adjustable by multiple different tools is described. An example adjusting screw includes a cylindrical body portion having a first end, a second end, and an outer curved surface. At least a portion of ...
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WO2008049621B1 |
The invention relates to a high-precision clamping device (1a) for tools in machine tools of the conventional type and to a collet chuck (7a), a base (2a) and a tensioning nut (10a). The invention also relates to a chuck key for tighteni...
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WO2008049153B1 |
A fastener which can be rotated in one direction using an attaching tool but not in the other direction, the fastener comprising a shank portion, a collar portion, and a head portion, the collar portion being positioned immediately below...
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WO/2008/062195A1 |
A fastener (200) having a head (202) comprising a recess (206) for receiving the driving portion (12) of a driver (10), the driving portion and the recess being shaped such that rotation of the driving portion within the recess engages t...
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WO/2008/058414A1 |
A slotted screw comprises slotted surfaces (9) on the screw head, wherein the slotted surfaces are vertical or substantially vertical, and the slotted surfaces are disposed parallel or substantially parallel to each other. The slotted sc...
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WO/2008/048291A1 |
A threaded union nut (20) is disclosed which includes a body (24), a threaded opening (22) formed in the body (24) and a web including a plurality of impact openings (28) that are radially offset from a centerline of the threaded opening...
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WO/2008/040122A1 |
A ratchet mounting fastener includes a rigid body having a socket drive receiving cavity formed in a first end for receiving a male socket drive shaft into snug mating engagement and releasable locking means to releasably lock the fasten...
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WO/2008/032137A1 |
The present invention relates to a screw (1) including a threaded shank (2) and also a driving head (3) of substantially circular or polygonal cross section and having an upper surface (4) at its end opposed to the threaded shank, said h...
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WO/2008/014778A1 |
Screw (10), bolt or locking ring bolt (20), in each case produced solely by rolling, and production method for such a screw (10), such a bolt or locking ring bolt (20).
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WO/2008/012176A1 |
The invention relates to a unit (1), in particular an electrohydraulic unit, with at least two hydraulic connections (2, 3) fastened to it, in particular pipe or hose connections which are provided largely parallel to each other at a def...
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WO/2008/001393A1 |
The present invention relates to means and a method for securing objects in a limited access area. The present invention provides a safety bolt or nut (2) to secure objects such as knife blades to devices. Furthermore, a matching wrench ...
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WO/2007/141717A1 |
A nut (10) that includes a body (16) having an aperture (18) disposed within the body, threads (19) located within the aperture of the body, and a plurality of gripping areas (13) disposed along a circumference of the body. The plurality...
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WO/2007/131730A1 |
A screw or bolt (1) with a recess (3) in a head (2) and a complimentary driver (20) for engaging the recess (3). The recess (3) comprises a plurality of lobes (4) flanked by driving flanges (5). Each flange (5) has an undercut portion (6...
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WO/2007/123409A1 |
A system for driving a screw, comprising a screw and a corresponding tool, the screw head having a hexalobular slot (2) in the upper surface of the screw head, an upper peripheral wall (9) of hexalobular planform extending down into the ...
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WO/2007/068937A1 |
A fastener assembly includes a bolt (1) having first and second ends and comprising a bolt head (2) at the first end and a shank, at least a part of which is screw threaded, a nut (12) for screw threaded engagement with the shank of the ...
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WO/2007/057861A1 |
The invention is for a threaded fastener (10) having a coded drive formation in the form of at least one of a plurality of sockets (16) and a plurality of spigots (116) extending parallel to and spaced about a thread axis (10.2) of the t...
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WO/2007/035399A1 |
A fastener (10) has a recessed drive configuration (18) with outlet channels (34,38,42) extending from the recessed drive configuration to the outer surface (50) of the fastener.
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WO/2007/022293A1 |
A fastener (20a) includes a threaded shank (26a) connected to a head (28a) . A composite recess (30) is in the head, and the composite recess is open at the end of the head that is distant from the shank. The composite recess includes su...
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WO/2007/018663A2 |
A fastener is provided comprising a shank having a head at one end and a tapered tip at the other end, and a threaded section having a helical thread on the shank. The fastener also comprises, on the head, side surfaces for engagement wi...
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WO/2006/130490A1 |
A driver has a tip that enables it to engage each one of a conventional hexagonal-head fastener and a conventional lobed-head fastener. The tip includes alternating flutes and crests. The crests are substantially flat to engage straight ...
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WO/2006/108368A1 |
The invention relates to a supporting sleeve (10) for cylinder head screws, which is provided with a self-threading external thread.
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WO/2006/097891A1 |
The invention concerns a reversible fixing element comprising a head (12) and a stem (11) at least partly threaded. Said head comprises a groove (13) adapted to be able to co-operate with a clamping/releasing tool so as to cause the fixi...
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