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WO/2004/074697A1 |
The invention relates to a thread-cutting screw (1) which is used to screw into a wall (1a) of a borehole (1b). Said thread-cutting screw comprises an essentially cylindrical core (2) which is metal and which has a longitudinal centre ax...
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WO/2004/074698A1 |
The present invention relates to a thread (400) in particular for a thread-rolling or self-tapping screw (100) or nut, respectively, having a non-triangular thread profile (300) with leading thread faces (422) and trailing thread faces (...
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WO/2004/051097A1 |
A fastener system includes a screw (4) or bolt having two interleaved helical threads (5a, 5b), which bracket a helicoil (1). The helicoil expands and torques by various means to maintain hold and purchase between the screw coil combinat...
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WO/2004/048718A1 |
The inventive anchor bar (10) consist of two end segments (11, 12). One segment (11) is introduced into a support block (1), the second block (12) being fixed to another element. The segment (11) which can be introduced into the support ...
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WO/2004/046483A2 |
An fastener (10) for securing fixtures to buildings or other base materials. The fastener is assembled by a mechanical engagement between two pieces (12, 14). The first piece (12) includes a first (22) and second (28) bore. The first bor...
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WO/2004/042240A1 |
A screw for hard masonry of concrete, comprises a thread made up of a series of teeth (7), offset perpendicular to the thread axis and adjacent to each other. The thread has a sawtooth contour.
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WO/2004/035839A1 |
A screw or a tapping screw, comprising a hyperfine structure steel having ferrite grains of 3 μm or smaller in average grain size and a nitrided layer on a surface part, wherein a strength is increased, a surface hardness is increased, ...
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WO/2004/031599A2 |
The tapping screw (1) has a screw thread (11) having a non-circular or notced shape. Accordingly, when the tapping screw is screwed into the prepared hole formed in the attached member such as a steel plate, etc., the contact area of the...
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WO/2004/016394A2 |
A pole joint screw may be used to connect a first section of a basketball support pole and a second section of a basketball support pole. The pole joint screw may include an elongated body including a first end and a second end, a head d...
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WO2003066988A9 |
According to the present invention, a fastener system is provided having an anchor (20) and a washer (40). The anchor includes an upset stud shaft (28) to which the washer is attached. The fastener system is preferably used in the invent...
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WO/2004/007858A2 |
A method and apparatus for fastening a first relatively soft structural component (350) such as a wood panel to a second relatively hard structural component (352) such as a steel angle iron using fasteners (8) each having a forward self...
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WO/2004/007977A2 |
A clip of fasteners for use in attaching a structural panel to a metal substrate comprises a plastic strip with openings characterized by inwardly-extending ribs for gripping and supporting fasteners that comprise a forward self-drilling...
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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/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/2003/031831A1 |
Self-threading attachment screw to attach a second element (16) to a first base element (15). The screw comprises a terminal portion provided with a threading (14) made around a stem (22), an upper portion (19) not provided with the thre...
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WO/2003/029664A1 |
The invention relates to a self-tapping screw (20) comprising a boring part (30) and a shaft provided with a thread (24) for fixing a panel-type object (40) to a preferably metallic substructure (42). The screw (20) is configured in such...
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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/2003/023239A1 |
A headed multi-lobed blank, method of manufacturing a self-tapping screw from the blank, and resulting multi-lobed self-tapping (902) screw for joining thin workpieces (1402,1404) provides desirable thread-forming characteristics at the ...
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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/2003/014578A2 |
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/2003/008265A1 |
A method is provided of forming a wing form composite components, whereby the composite components (2 and 20) are attached together using self-tapping screws (23).
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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/2002/097214A1 |
Screw (10) for use in the attachment of synthetic sheet materials to a supporting structure wherein screw (10) is manufactured in integral pressed form. Screw (10) includes head (50), shank (30) and tip (12) and is provided which at leas...
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WO/2002/072372A2 |
A self-tapping fastener (10) secures a weatherseal to a mounting surface of an automotive vehicle. A pointed, conical nose (12) pierces the weatherseal to form an opening. The fastener is rotated at a first velocity as it is axially adva...
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WO/2002/065929A1 |
The invention relates to a fixing screw comprising a longitudinal threaded body (10) that extends between a head (12) which is intended to rotate said screw and a pointed end (14) that can be inserted in a support. Said longitudinal thre...
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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/2002/021002A1 |
The drywall screw (10) includes an elongated shaft (14) about an axis, a screw head (18) at one end. The screw head has a recess having upper (22) and lower (24) portions. The upper portion is comprised of an upwardly flared thin-walled ...
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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/2002/004822A1 |
A self-tapping screw (1) consists of two interconnected sections (7 and 8) of stainless material. The first section (7) comprising the tool access (4) and the thread (6) consists of stainless, austenitic steel and the second section (8) ...
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WO/2001/098672A1 |
A fastener system includes a screw or bolt having two interleaved helical threads which bracket a helicoil. The helicoil expands and torques by various means to maintain hold and purchase between the screw coil combination and the substr...
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WO/2001/088387A1 |
The invention relates to a self-tapping screwed insert (1) comprising a substantially cylindrical bush-shaped insert body (2) with an axial bore (3) and load application means (4) located inside the insert body, said insert having for in...
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WO/2001/081773A1 |
The invention relates to a self-tapping screw, especially a wood screw or the like, comprising a screw head (1) and a contiguous screw shank (2) and a screw tip (3). Two threaded sections (5, 7) are formed on the screw shank (2) which ar...
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WO/2001/081777A1 |
An assembly unit (1) consisting of a component (2) and at least one thread moulding screw (3). The component (2) is provided with a through hole (17) for each screw (3). Each screw (3) has a head (4) which is used for actuating purposes ...
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WO/2001/044672A1 |
The invention relates to a self-threading screw comprising rolled threads (4) in which the angle bisecting line (15) of the thread formed by the load flank (8) and by the rear flank (9) has an oblique position with regard to the perpendi...
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WO/2001/042669A1 |
The invention relates to a bolt for fixing, at a distance, covering plates on a substructure. Said bolt is provided with two shank sections (9, 10) with threaded areas (11, 12) having different diameters. A type of stop, to which unthrea...
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WO/2001/025643A1 |
The invention concerns an anchoring screw comprising a screw body (1), which is formed with threads over at least a portion of its extension, a screw head (2) securely fastened at one end of the screw body, and an expandable retention el...
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WO/2001/020176A1 |
The invention relates to a screw connection which is designed, in particular, for plastic parts. Said connection consists of a screw (23) and an insert (1) which is to be incorporated in one of the parts to be connected in a fixed manner...
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WO/2001/018409A1 |
A self-drilling screw fastener (40) has a shank (42) with a drive head at one end and a penetrating portion at the other end, the portion ending at a sharp tip (50). A single-start screw thread (52) runs from the tip (50) towards the hea...
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WO2000072770B1 |
An advanced coupling device (16) using shape-memory technology. The coupling device (16) includes a coupling element (18) defining a longitudinal passage extending therethrough, the passage bounded by a side wall (42) having a first end ...
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WO/2001/009526A1 |
The invention relates to a screw magazine which includes a form-stiff framework (1) having a front side (4) and a back side (5) between which a plurality of mutually spaced-apart bores (10) extend, each one of which is delimited by an en...
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WO/2001/006135A2 |
A special screw for the fastening of plaster boards is configured with a block-shaped screw head which on the under side has an annular cavity around the screw shank. When use is made of such a screw, the plaster mass which is displaced ...
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WO/2001/001000A1 |
A tapping screw for soft materials having a strip torque sufficiently large relative to a screwing torque and an increased allowable width of tightening torque, characterized in that the gradient of a flank of each screw thread in the sc...
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WO/2001/001001A1 |
A tapping screw for soft material having a strip torque large sufficiently relative to a threading torque and also having and extended tightening torque allowance, characterized in that a flank of each thread in threading direction is fo...
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WO/2000/061022A1 |
The invention relates to an improved bone screw for use in orthopaedic surgery, in particular with external fracture fixation devices, of the type which comprises a head (3), a shank (4), and a threaded portion (5) tapering towards a tip...
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WO/2000/061958A1 |
The invention relates to a self-drilling and thread-forming connecting element, especially a screw (1), comprising a threaded shaft (2) that consists of a cylindrical core (8) and of a thread (10) that is formed as a protuberance on said...
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WO/2000/043683A1 |
A blank (100) for a self tapping fastener with a drive head (102), and a corresponding self tapping fastener is provided. The fastener blank has an odd number of lobes in a cross section taken perpendicular to its axis of rotation (112)....
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WO/2000/036310A1 |
The invention relates to a self-tapping screw which comprises an at least partially non-circular envelope curve of the thread, and has a penetrating section (B, C, D) and a retaining section (A), whereby the penetrating section contains ...
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WO/2000/034671A1 |
The invention relates to a screw (1), especially a concrete screw, for screwing into a borehole (20) with a borehole wall (25). Said screw comprises a body (2) having an insertion end (3), a screw down longitudinal direction (5) and a ce...
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WO/2000/034668A2 |
A fixing device comprises a bright zinc-plated steel shank (1) formed by cold forming with a head (2), the shank having formed thereon by thread-rolling a helical bore wall engagement configuration (6). This configuration comprises a pai...
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