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WO/1998/020262A1 |
An internally threaded fastener (10) assembled from formed laminae can be inexpensively and efficiently produced from a variety of materials in a multi-staged, die-operated, drawing press. Each lamina has an internal bore with less than ...
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WO/1998/015358A1 |
A powder spray apparatus for coating threaded fasteners (35) is capable of operating at an optimal spray condition. Air supply tubes (42) and powder supply tubes (45) communicate with an air/powder entainment block (40). The jet diameter...
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WO/1998/011354A1 |
A fastener system capable of clamping a workpiece that provides for enhanced distribution of the internal forces that are generated in the components as a result of the assembly of the system. The fastener system includes an externally t...
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WO/1998/010158A1 |
Disclosed are threaded fasteners having insertion depth indicators (14) positioned periodically along the thread (12). Also disclosed are devices (100) having internal thread adapted to engage with and secure to an externally threaded ba...
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WO/1998/010197A1 |
One aspect of the invention is a forged, integral seal-grip bolt (20) having a head, a tapered neck (22), a shank, and a plurality of plastically deformable, raised, contact surface portions (31) uniformly positioned adjacent the neck an...
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WO/1997/045648A1 |
The invention relates to a device for rotational locking of a rotatable fastening element (14) in a construction element (7), comprising a surface formed in said construction element (7) for positioning said fastening element (14), thus ...
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WO/1997/037141A1 |
A screw fitting element, such as a screw (1) or nut, has a head part (2) and a threaded part (3). A sealing body (12) made of an elastically deformable material is mounted on the head part (2). The sealing body (12) has a circumferential...
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WO/1997/021932A1 |
A screw (6), particularly a self-drilling screw, comprising a threaded portion (9) and an upper portion (15, 16) with a diameter close to the thread root diameter (b). The upper portion comprises a flange (10) perpendicular to the screw ...
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WO/1997/020656A1 |
The invention concerns a method of automatically screwing two components together using a torque-controlled tightening method and a locking screw and union nut for carrying out said method. Also provided are an automatic assembly device ...
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WO/1997/016652A1 |
The invention concerns a rustproof screw with a hard tip (5), a head (2) of austenitic steel and a shank (3) which in at least one section including the screw tip (5) consists of maraging steel, maraging steel having greater hardness tha...
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WO/1997/004241A1 |
A self-aligning, anti-cross threading fastener (10) having first and/or second members with lead threads (24) having a curved surface feature from the minor diameter to the major diameter which allows the surface of the lead threads to c...
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WO/1996/037709A1 |
A hybrid panel fastener (10) for use in conjunction with a nut and cage assembly (100) for fastening and unfastening a composite access panel that is galvanically compatible with the composite access panel (AP), suitable for low observab...
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WO/1996/030657A1 |
The panel fixing arrangement comprises a panel (10) formed with an elongate aperture (36) and a retainer (14) having a projection (18) insertable in the elongate aperture (36). The retainer (14) is formed with an aperture (24) for receiv...
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WO/1996/022471A1 |
A fastener system (22) includes an applicator (24) for engagement by a tool, and a fastener such as a screw (10) with threads (14) in a first hand direction for engaging a workpiece. The applicator and fastener are threaded (23) together...
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WO/1996/019677A1 |
A clamp screw (10) that includes a threaded member with a threaded part having a female thread (22) which screws onto a threaded attachment part, and a shaft-shaped peripheral part formed on its outer surface, an operating ring (12) whos...
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WO/1996/019676A1 |
A hole-shaping and thread-forming screw (1) has a non-cutting hole-shaping end section (2) that ends in a point, a shaft section (4) provided with a thread (3) and an engagement section (5). The non-cutting hole-shaping end section (2) t...
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WO/1996/001955A1 |
A fastening device (1), particularly useful for looking the spare wheel of a vehicle to the vehicle boot floor for example, has a stud (2) and a cup-shape housing (7). The housing (7) is slidable on the stud (2) and has a screw thread (1...
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WO/1995/029800A1 |
The invention pertains to a process for producing oblong injection-molded parts, especially screws and threaded rods, wherein the melt of a long-fiber-reinforced thermoplastics material is injected from an injection molding machine via a...
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WO/1995/022701A1 |
A sheet-metal section screw (10) consists of a head (11) and a shank (13) shaped on it. The sheet-metal section screw (10) comprises a washer (12) and an annular seal (14). Firstly at least the head (11) and the washer (12; 21) are coate...
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WO/1995/016862A1 |
The invention concerns a screw connection realized by means of a screw disposed in a tapped bore and a sealing element. In order to ensure a realiable seal and reduce the risk of damage to the sealing element, the invention proposes that...
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WO/1995/010364A1 |
Apparatus and method employed in applying a useful coating to fasteners is disclosed. Particularly, a resin material in powder form is preferably applied to a selected surface of the fastener (N) to cover a desired length of the threads ...
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WO/1995/001511A1 |
A self-locking anchor nut comprises a base unit (1) fastened to the component (11) by rivets (12), and a cylindrical body (4), mounted in the aperture (3) of the unit (1) and connected to the same by a tight screw thread on the mating su...
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WO/1995/001240A1 |
The present invention aims to provide a screw (10) for fastening which is capable of being both fastened and loosened strongly simply with a direct manual rotating operation. The device (10) is provided with a screw member (11) with a fe...
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WO/1994/029075A1 |
A pin (10) is provided for repairing cracks (C) in a material (M) such as iron casting materials. The pin includes threads (60) with both upper and lower surfaces wich angle toward a head of the pin. A tapping bit (550) is utilized in a ...
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WO/1994/025764A1 |
The present invention relates to a screw, consisting of austenitic stainless steel with a hardness which does not exceed 250 HV, which stainless austenitic steel exhibits a surface hardened layer (3), produced by ion nitriding, which has...
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WO/1994/020040A1 |
A compression fastener (10) in which the thread pitch (18) extends the length of the fastener and increases gradually from the screw tip (14) to the screw head (16). The shaft (12) of the fastener (10) is generally of a uniform diameter,...
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WO/1994/017313A1 |
The fastener (7) comprises, in combination, a screw (8) having a threaded shaft (9), and a fastening strip or sheet (13) having a raised portion (12) provided with an aperture (11) being preformed to have an at least partly helical threa...
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WO/1994/016636A1 |
A bone screw (10) having a continuously varying pitch includes a tapered root portion (12) having a relatively small diameter on a leading end (16) of the screw and a larger trailing end (18) diameter. The pitch of the screw decreases be...
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WO/1994/010465A1 |
A fastener (10) for fastening a pair of metal panels (12, 14) comprises a head (20) which has an annular recess (26) at its underside. A threaded shank (30) has a buttress thread (40) which terminates in a self-driving tip (34). A sealan...
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WO/1994/004834A1 |
A fastening element, in particular a screw (17), a nut, a threaded insert (12), a rivet, an insert nut (16) or a threaded pin made of plastic is used together with a component made of a material, in particular a plastic material, compati...
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WO/1994/001693A1 |
A device for guiding the sliding caliper (4) in a disk brake, including a holder (1), a screw (2) and a sleeve (3). The sleeve is rotationally and translationally locked except in a direction perpendicular to its axis (3a) by means of a ...
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WO/1993/023679A1 |
A self-boring and self-cutting screw (1) has a hardenable, plate-like boring part (7), a shank section (B) made of hardenable material and a section (A) made of stainless metallic which forms the shank section (5) and the head (4) of the...
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WO/1993/022568A1 |
For elongating and relaxing a bolt, a stud and the like (1) having an axis and arranged in an object (2), the stud (1) is connected with a first part (4) which is movable only in an axial direction so as to pull the stud (1) in the axial...
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WO/1993/017797A1 |
An apparatus for coating internally threaded fasteners (28), particularly closed end fasteners, such as flanged weld nuts, which includes a powder spray arrangement (20) which has a spray nozzle within a spray cylinder (48). The spray no...
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WO/1993/017247A1 |
A connecting unit is proposed comprising a socket pin (4) made of a non-rigid plastic, which can be inserted in an aperture. The pin (4) is provided with a through-drilling (8) into which can be screwed an expanding mandrel (5) of more r...
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WO/1993/015325A1 |
The present invention provides a fastener (10) adapted to mount through a wall and is known as a blind side fastener. The fastener (10) broadly includes a shaft (20) formed as a body portion (30) and a neck portion (40) joined to one ano...
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WO/1993/009354A1 |
The present invention provides method and apparatus for adapting standard threaded fasteners for use with standard stud fasteners. An adapter (70) has an internal bore identical with that of a standard threaded fastener for mating with t...
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WO/1993/001421A1 |
An adhesive composition for being applied to at least one of thread contact faces of screw members so as to stick said thread contact faces to each other in engaging the screw members with each other for the purpose of locking and sealin...
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WO/1993/000518A1 |
A fastening element, in particular for bones, has a shaft (2) provided with a thread (1) with various pitches, a front end (3) and a rear end (4). The thread (1) continously extends over the whole area of the shaft (2) and has in the are...
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WO/1992/018668A1 |
Corrosion resistant fasteners and similar articles are compositely coated in which an epoxy base coating is applied on an inner metallic core and a top coating is applied on the epoxy coating, with the composition of the top coating comp...
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WO/1992/009816A2 |
An integral sealing element is bonded directly to the engaging surface and selected threads of a threaded fastener. The sealant is a soft pliable olefin or polyolefin based material and is designed to flow between the engaging surface of...
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WO/1992/009817A1 |
A bone screw (10) having a helical thread that gradually increases in thickness from the tip (14) to the head (11) of the screw. The thin thread at the tip of the screw can be inserted into a bone with minimal tearing or cracking of the ...
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WO/1992/001165A1 |
A screw having a main thread (2) to be screwed-in and a sub-thread (3) formed in the direction opposite to the main thread, which is characterized in that a slant surface (3b) of said sub-thread on the screw-loosening side has a sharp sl...
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WO/1991/019109A1 |
A securing device in the form of a bolt or screw or dowel (1 or 1a) comprises a body (2 or 2a) into which a coaxial aperture extends from one end. An intermediate portion of the body through which the aperture extends has a tapering inne...
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WO/1991/018214A1 |
A composite fastener (60) which provides up to 480 MPa in shear strength in a 1/4 inch shank diameter and includes several layers (20) having long parallel carbon fibers (23) embedded in resin. The layers (20) are pressed together and he...
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WO/1991/018215A1 |
A tapping screw (1) is screwed into a prefabricated hole (7) in a workpiece (6). The tapping screw (1) is provided with an adhesive layer (5) which covers at least part of the screw surface (2). When a tap is formed by screwing the screw...
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WO/1991/011633A1 |
A composite threaded collar (10) is fabricated from a panel (30) consisting of multiple layers (60, 62, 64, 66) of fiber reinforced tape, bonded together to form a rigid composite structure. The tape comprises a plurality of longitudinal...
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WO/1991/005613A1 |
A method and apparatus for coating a fastener with head and shank portions is disclosed. The invention includes the steps of and apparatus for transferring the fasteners from a feed mechanism such that the fasteners are positioned for co...
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WO/1991/005614A1 |
An apparatus for coating samples or small quantities of externally threaded fasteners or studs (10) includes a powder feed (32, 38, 40, 42, 44), an induction heater (26), and dust collection system (50). A reciprocating, magnetized holde...
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WO/1991/005182A1 |
A device in spindles to effect two different transfers of a screw and/or one or more bodies, whereby the screw (2) has two pitches (18, 19), as a coarse thread (6) for rapid transport and a fine thread (5, 7) for normal transport. A firs...
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