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WO/2004/022987A1 |
A self-attaching female fastener (20) such as a pierce nut having an annular pilot (28), an annular flange (34) surrounding the pilot and an annular groove (38) in the flange bearing surface surrounding the pilot, wherein the bottom wall...
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WO/2004/005732A1 |
A heat resistant drill screw suitable for drilling holes in a stainless steel sheet capable of preventing a delayed damage from occurring and providing a high corrosive resistance and a high tensile strength, comprising a drill part (4),...
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WO/2004/003334A1 |
According to the present invention a male portion (10) for percussive rock drilling is provided comprising sections of reduced cross-sectional areas, at least one thread (12) for percussive rock drilling provided at a portion (16) at an ...
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WO/2003/098057A1 |
The invention relates to a method in the formation of threads of a thread-provided element intended to be included as one of two thread-provided parts in a bolted joint. The bolted joint comprises a part (2) having an internal thread and...
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WO/2003/097991A1 |
The present invention relates to a screw joint for a drill run or drill string for percussion rock drilling, comprising male and female screw threads (5, 9) on the elements (1, 2) to be joined together to form a drill string. According t...
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WO/2003/089707A1 |
A washer includes an outer cabinet, a washtub disposed in the cabinet, a rotating tub rotating by a driving motor and being disposed in the washtub, a top cover disposed on top of the cabinet, the top cover being provided with an opening...
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WO/2003/085275A1 |
Disclosed is a method for preventing galvanic corrosion in fastener assemblies employing plated fastener inserts wherein the plating of the insert has an emf potential which is similar to that of the substrate within which the insert is ...
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WO/2003/084373A1 |
A screw comprising a screw-head (2) provided with an internally multi-edged bore (6), especially an internally hexagonal bore, characterized in that an inner threaded section (10) is incorporated into the internally multi-edged bore, whe...
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WO/2003/081081A2 |
This invention relates to a flexible fastener (1) for coupling members. The fastener comprising a shank (2) covered with a spiral set of teeth (3) and a flexible core material (4) running internally to the shank wherein the flexible core...
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WO/2003/078852A1 |
A fixing device (10) comprises a bright zinc-plated steel shank (1) formed by cold forming with a head (2), the shank (1) having formed thereon by thread-rolling a helical thread configuration (6). This thread configuration comprises a p...
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WO/2003/076816A1 |
An integrally formed screw, such as a wood screw has a threaded cylindric stem and a head (9). At least a part (25) of the head (9) is shallowly convexly curved (25) and is provided with a screwdriver recess (-26). The head (9) has an 5 ...
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WO/2003/072962A1 |
The present invention concerns a threaded device that could be inserted without the risk of breaking due to torsion, especially a threaded device made from plastics. More specifically the present invention relates to a threaded device pr...
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WO/2003/069971A2 |
An expandable collet anchor system incorporating means for fastening at least two objects, each having a generally circular aperture, together to form a structural or a non-structural attachment.
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WO/2003/062651A1 |
Method of forming a sealed joint between a nut (20) having a cylindrical pilot (22), an annular flange portion (28) surrounding the pilot and an re-entrant groove (32) and a panel with a die having an annular lip (62) which deforms a pan...
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WO/2003/060198A1 |
A tubular member (12) having an internal and/or external metal thread (18, 20) at one end thereof, at least part of the thread (18, 20) being coated with an alloy of copper and tin, said alloy containing 5 wt% to 95 wt% copper. The tubul...
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WO/2003/042557A1 |
A cage nut assembly is disclosed having a body defining a through bore. The cage is disposed about at least a portion of the body which has at least one surface having a lower wetability than the body to inhibit the formation of a coatin...
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WO/2003/040576A1 |
Described herein are fastener inserts formed from a titanium alloy which reduce corrosion in a fastener assembly. In addition to reduced corrosion, particularly galvanic corrosion, the fastener insert is lightweight and provides improved...
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WO/2003/029665A1 |
A sealant, method for making the sealant, and method for applying the sealant includes a preformed at least partially hardened first quantity of sealant and a preformed at least partially unhardened second quantity of sealant. The first ...
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WO/2003/029666A1 |
An elastic fastener (1) comprises a hollow tubular portion (7), an internally threaded portion (2) provided at one of the ends of the tubular portion (7), and a flange 9 formed at the other end of the tubular portion (7). The tubular por...
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WO/2003/027517A1 |
A screw connection band (20), wherein a plurality of screws (21) are arranged parallel with each other, and the head part (21b) side shaft parts (21A) of the screws (21) are fixed with bands (30) fixed to a band−shaped sheet (31) so as...
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WO/2003/023052A2 |
A threaded self-tapping screw for joining thin workpieces having a tapered root portion adjacent to the head of the screw. A plurality of threads are disposed on the body and the tapered root portion of the screw such that the radial dis...
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WO/2003/023235A2 |
The fastener assembly (10) comprises torquing member having threads (20) and a pressure member engaging with the torque member at annular bearing surfaces. The annual bearing surface on the torquing member has a first inclined surface an...
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WO/2003/023200A1 |
The invention relates to a device having at least one screw plug (1) for screwing in a first thread bore (8) of a housing or housing part (9) of the device, wherein at least one screw plug has a means for sealing, for example, a sealing ...
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WO/2003/022662A1 |
The invention relates to a temporary closure plug (22) for covering the bore of a set blind rivet nut (2'), the plug (22) comprising a hollow, generally cylindrical body portion (24) that is closed at one end (26) and has an annular flan...
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WO/2003/014584A1 |
The angle of inclination (β) of a clearance flank of a saw−tooth internal thread is made the angle of inclination (β) of an inverse pressure flank (20A) receiving a load, and the angle of inclination (Ѳ) of the pressure flank is mad...
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WO/2003/014578A2 |
The present invention is directed to a deck screw (10) intended for use with composite lumber, although it can be used with other wood products, such as pressure treated lumber. The deck screw of the present invention may be provided wit...
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WO/2003/011540A1 |
A device for positioning a joinery fastener (74) in a joinery member (33) for later use in forming a joinery assembly. The fastener positioning device (41) includes a feed magazine (82) for feeding joinery fasteners (74) to a gripping ap...
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WO/2003/001072A1 |
A pin (24) with threads (32) that extend along a portion of a stem (30) of the pin (24) interact with framing members (12, 14) as the pin (24) is driven through the framing members (12, 14). The interaction of the threads (32) with the f...
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WO/2003/001068A2 |
The invention related to the bolt and nut which easily can be engaged or disengaged by rotation movement of one times regardless of engaged or disengaged depth of a bolt and nut. The bolt and nut according to the present invention compri...
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WO/2002/095764A1 |
The invention relates to an arrangement (10) of a lid (12), made from a metallic material and a metal housing (14) for a measuring instrument, which may be screwed together. In order for the screw connection (16) to remain detachable, ev...
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WO/2002/090056A2 |
The present invention relates to an arrangement (1) for a nut (2), which exhibits an internal (3) thread (4) and which has arranged on its outside (5) radially (6) projecting raised parts (7) in the form of gripping devices so arranged a...
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WO/2002/089280A1 |
A device (20) for sealing an aperture (22) for a fixing such as a bolt (24) for a sealed enclosure (26) has a body (28) having an aperture (30) extending from a first surface (32) to a second surface (34). Body (28) also has a chamfered ...
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WO2001096751A9 |
The present invention relates to a system and device which allows the replacement of a damaged thread in an object (12) with a thread identical to the damaged thread by enlarging the original threaded hole and inserting a thread-insert (...
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WO/2002/086336A1 |
The invention relates to a nut (10) for limiting an effective torque and corresponding method. The nut (10) comprises a threaded section (1) and a tubular section (2), with a pre-set breakage point (3) arranged between the threaded secti...
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WO/2002/079656A1 |
A screw with a seal, preferably intended for a tight fastening of objects so as to prevent precipitation water and atmospheric humidity from penetrating beside the screw, preferably for fastening roofings, consists of a shank (1), a head...
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WO/2002/077466A1 |
A bolt, comprising a coarse thread screw part with a pitch of (P) formed in an area ranging from the tip part to the specified part of a bolt shaft part and a fine thread screw part with a pitch of (p) (p=P/n, where n is the integer of 2...
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WO/2002/077467A1 |
A high-strength bolt having a bolt tensile strength of at least 1200 N/mm?2¿ and being excellent in delayed fracture resistance characteristics and its steel product. A high-strength bolt having its head and shank formed of a steel prod...
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WO/2002/073076A1 |
One part of the threads (12) of the inventive threaded component (2) is provided with a helicoidal groove (22) that emerges at the thread top. The groove (22) is made in all or part of the threads of one or two end zones, namely the zone...
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WO/2002/057639A1 |
A composite screw structure is formed of a left-hand thread and a right-hand thread, in which said two threads of opposite hand are arranged uniformly and their roots cross each other; wherein the cross-section of minor diameter of said ...
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WO/2002/040877A1 |
The invention relates to a traction transmitting securing device comprising a bolt element and a safety element which surrounds said bolt element. A number of projections and recesses distanced from each other in the direction of the axi...
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WO/2002/040608A1 |
A method of providing a tightening device, comprising the steps of dissolving natural resin in liquid grease and uniformly mixing phosphoric acid based extreme-pressure additive into the dissolved mixture, applying paint composition onto...
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WO/2002/029258A2 |
An apparatus for providing a variable pitch thread includes a hollow cylindrical element (10) configured to provide a plurality of parallel, radially projecting ridges (18) extending circumferentially around the cylindrical element and s...
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WO/2002/026154A2 |
A micromechanical seal (26) between a first body (10) and a second body (12) is co-axially threadably securable about a portion of the first body. The seal is created by the combination of an annular planar radial surface within the firs...
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WO/2002/025122A1 |
An improved anchor device or fastening member which is particularly suited for use in the attachment of various fixtures and equipment to masonry, concrete, and other hard and/or friable substrates includes a head (22) and a shank (24) d...
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WO/2002/018522A1 |
The invention concerns a threaded component for a seizure-resistant tubular threaded joint wherein a lubricating substance is deposited in a thin film on at least the surface of the threads of the threading, said surface being treated to...
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WO/2002/014700A2 |
The invention relates to a bolt for integrally fastening a first member and a second member, which are spaced away to each other, the bolt (1) comprising a cylindrical-shaped collar bit provided on a portion of an outer peripheral surfac...
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WO/2002/014699A2 |
A threaded member such as a bolt, nut, or pipe includes threads with a first threaded section (46), a second threaded section (50) and a third threaded section (48). The first and third threaded sections have standard threads with standa...
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WO/2002/014702A1 |
A tightening device having a function to apply an energizing force, in tightening direction, to a tightened material comprising bolts, nuts, and screws tightening, by threading, a tightened object for long period continuously from the be...
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WO/2002/012736A1 |
A thread-forming screw fastener (2) for direct screwing into a pre-drilled hole in a concrete or masonry substrate. The fastener has a head (4) at one end for rotating the screw and, at its other end, a leading tip (8) for insertion into...
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WO/2002/012770A1 |
The invention relates to interconnectable turbocharger components (10, 12), whose connecting zones (11, 11') coaxially overlap in an axial direction (14) and mesh with each other radially in a positive fit. Said components are secured by...
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