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WO/2007/134681A1 |
The invention relates to a screw anchor for fixing wood components to concrete or masonry. Said anchor has a shaft (1) comprising a first threaded section (2) with a wood screw thread (6) for screwing into wood, and a second threaded sec...
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WO/2007/134361A1 |
A screw for fastening semi-rigid sheet material to a substrate has a cutter arrangement integrally formed with the screw shank for cutting in the sheet a clearance hole relative to the screw shank so as to accommodate thermal movement be...
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WO/2007/121081A2 |
A thread forming screw (10) having a minimum surface hardness of HRC 56. The screw (10) can form threads in a workpiece having a surface hardness which exceeds HRC 23. A method of surface hardening a screw (10) includes carbon enriching ...
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WO/2007/087904A1 |
The invention relates to a self-tapping and thread-forming screw (1), having a screw shank (2) with a screw tip (4) at one end and a force application point (6) at the other end for the transmission of torque. The screw shank (2) is comp...
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WO/2007/073326A1 |
A screw comprising a head part (50), a pointed insert part (52) and a shank part disposed between said head part and said pointed insert part and having a shank axis (A). The shank part comprising a first shank segment (53) adjacent to s...
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WO/2007/061537A2 |
A reverse angled threadform with anti-splay clearance includes inner and outer helical threads, each with respective leading stab flanks and trailing load flanks, the load flanks mutually engaging when an inner member with the inner thre...
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WO/2007/045222A1 |
The invention relates to a method for assembly of lock-washer bolts (10) with a lock-washer (18) and locking grooves (16) arranged at the level of the lock-washer, wherein the lock-washer bolt (10) is screwed with low torque into the int...
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WO/2007/036081A1 |
A self-tapping screw for jointing fiberboard comprises a screw head and a screw shank. It may include additionally screw tip. A threading portion is provided on a part of the screw shank or the entire screw shank. Any cross-section of th...
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WO/2007/025736A2 |
The invention relates to a tapping screw (1) having projections (5) on its screw thread (4), the rear flank (8) being provided, starting from the start of the screw thread, with protruding projections and the load flanks (9) forming a co...
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WO/2007/012417A1 |
A thread-cutting concrete anchor (1) for self-tapping anchoring in hard substrates such as concrete, stone, masonry or the like comprises a substantially cylindrical shaft (2) whose core diameter is graduated. The shaft (2) has a cutting...
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WO/2007/012795A1 |
An extraction device is provided for use when extracting a ceramic foam filter, as used for example in the production and processing of aluminium. The extraction device includes an anchor device (1) having an anchor body (2) suitable for...
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WO/2006/137460A1 |
This invention provides a self-tapping screw that the molded product body has an ultrafine grain ferrite texture having an average particle diameter of not more than 2 μm in at least one cross-section in an arbitrary direction and at le...
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WO/2006/133542A1 |
The concrete screw of the invention reduces the driving torque required, reduces shear failure, and provides increased pull-out resistance The screw has Hi-Low threads, the major thread being of greater diameter than the minor thread, th...
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WO/2006/135557A1 |
A self drilling fastener (1) for use in a friable material mounted on a member comprises an elongated body (12) having an axis, an enlarged head (14) having torque transmitting surfaces (15) therein, a proximal portion (18) , an intermed...
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WO/2006/135558A2 |
In one aspect, a holder (10) mountable to a friable substrate may include a self-drilling drywall fastener (24), a wall engaging base plate (26) having an opening (30) for receiving a fastener, and at least one leg (28) extending from th...
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WO/2006/129382A1 |
A tapping screw capable of suppressing an excessive increase in screwing torque even if it is screwed into a deep prepared hole. The tapping screw (100) comprises a parallel screw (22), a tapered screw (23) formed at the tip side thereof...
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WO/2006/120081A1 |
Disclosed is a housing for an electric appliance, comprising a wall (1) with an electrically insulating solid structure (3) and an electrically conductive skin (8) that is fastened to the structure (3), an electrically conductive support...
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WO/2006/111412A1 |
The invention relates to a wooden and plastic screw comprising a head (2), an essentially cylindrical shank (4, 6, 8), a tip, and a screw thread (14) which extends over the shank (8) to the tip region (10) and comprises a flank (18, 20) ...
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WO/2006/111267A1 |
According to the invention, the holding force of a thread-cutting masonry screw (1 ) in a drilled hole (2) in concrete (3) may be improved, whereby the masonry screw (1) is embodied with two thread pitches (8, 9) of differing outer diame...
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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/2006/110898A2 |
A ready-to-use pocket joinery assembly is manufactured by a first forming a fastener pocket (63) in a surface of a joinery member (33) near to and spaced from an end of the joinery member (54). Subsequently, one propels a fastener (74) h...
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WO/2006/089849A1 |
The invention relates to a threaded element (1) comprising at least two slots (3), notches, grooves or similar that intersect the thread (2). The slots (3), notches, grooves or similar are configured in relation to the thread (2) so that...
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WO/2006/089441A1 |
Disclosed is a post anchor (1) comprising two final sections (11, 12), one (11) of which can be introduced into a post (10) while the other one (12) is used for fixing the anchor (1) to or in another element. The section (11) that can be...
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WO/2006/084119A2 |
Cross-threading occurs generally due to angular and axial misalignment between the threaded members during assembly. It is particularly troublesome for unskilled laborers and automated assembly operations, resulting in reduced productivi...
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WO/2006/079595A1 |
The invention relates to a fastening of boards, panels (1) or slats made of wood or of wood materials to a metallic substructure (2). To this end, screws (3) are used that are comprised of a screw head (4) and of a shank (6) provided, at...
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WO/2006/075069A1 |
The invention relates to a system comprising a plate (1) containing a revolutionary cylindrical opening (10) with a depth h and a cross-section equal to D, an opening (20) with a cross-section equal to d and lower than D, and a housing (...
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WO/2006/043169A1 |
Self-drilling screw fastener (2) attaches a thin profiled or corrugated sheeting panel to a thin metallic purlin or support and includes drilling tip (18) adapted to drill a hole of a first diameter. Threaded portion (30) screws into the...
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WO/2006/039412A2 |
First and second components are connected together by a fastener that includes a head and a shank having a bolt portion and a drill portion. The fastener is initially rotated relative to the first and second components such that the dril...
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WO/2006/008004A1 |
The invention relates to a screw having an at least partially threaded (4) shank (7) and a screw head (3). An unthreaded section (2) is provided between the screw head (3) and the thread (4). The thread (4), at least in the distal area o...
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WO/2005/108707A2 |
A translucent panel (1) comprises a single body of translucent material. The single body comprising an outer weather skin (2), an inner liner skin (3) and a multiwall support (4) between the outer weather skin (2) and the inner liner ski...
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WO/2005/100807A1 |
A fastener for securing particle or bulge producing materials, a method of manufacturing the fastener, and a method of using the fastener are provided. The fastener has a thread on a shank, and a knurled portion disposed between the thre...
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WO/2005/100806A1 |
A fastener for securing particle or bulge producing materials, a method of manufacturing the fastener, and a method of using the fastener are provided. The fastener has a thread on a shank, and a knurled portion disposed between the thre...
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WO/2005/088808A1 |
A rotation drive (10), particularly for displacing a moveable part in a motor vehicle, comprising a rotor (14) which is mounted in a housing (12, 13) and which whose front-surface side (42) rests upon a support element (50) which is fixe...
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WO/2005/080802A1 |
The invention relates to a screw (1) comprising a threaded shank (2) with a force application point (4) for transmitting torque and a screw tip (6). The threaded shank (2) is composed of a shank core (10) and an automatically thread-form...
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WO/2005/080801A1 |
The invention relates to a screw (1) comprising a threaded shank (2) with a force application point (4) for transmitting torque and a screw tip (6). The threaded shank (2) is composed of a shank core (10) and an automatically thread-form...
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WO/2005/075871A1 |
A device (1) for fixing electric cables, conducts, tubes, furnishing fittings, branches and the like (6) to surfaces (52) having any shape, comprises an element (2) for fixing to a surface (52) by insertion through a hole (51) in said su...
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WO/2005/064094A1 |
A construction board (1) with an integrated fastening means for mounting the construction board (1) on a construction material (17), such as a stud of wood or metal. The fastening means has a cage (2) arranged into the construction board...
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WO/2005/061909A1 |
Disclosed is a screw unit (10) that is to be screwed into a core bore (30) which has a certain core diameter (KD), is provided with no internal thread, and is made of a basic material, particularly an aluminum extruded section. Said scre...
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WO/2005/061908A1 |
The inventive screw (1) comprises an at least partially threaded rod provided with a drilling and/or insertion point (4) and a wrench head (5) and is used for directly fixing laths, boarding or panels made of wood or wood-based materials...
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WO/2005/059193A1 |
The invention relates to a cold-rolled fixing screw consisting of a low-alloy carbon steel with a high degree of deformation according to the ratios of external diameter to core diameter of > 1.2 and pitch to external diameter of > 0.23,...
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WO/2005/059377A1 |
A two-piece cutting screw for use in fastening metallic or sheet metal materials. The screw includes shank (2), head (3) and detachable drilling tip (4). Drilling tip (4) is provided with a projecting portion (8) which is received in com...
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WO2004027271A9 |
An ultrasonic load measurement transducer (20) is mated with a thread-forming fastener (18) to provide a load indicating thread-forming fastener (10) that can be used for precise and reliable assembly of critical bolted joints, such as t...
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WO/2005/053945A2 |
A threaded fasteners combines two or more of (a) a self-drilling tip that is long enough and/or sufficiently distanced from the threads to assure that drilling action is complete before the first thread engages the surface of the work pi...
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WO/2005/042987A1 |
The invention concerns a fixing element comprising a front stem part (2) designed to be form-closed to a building, and adjacent to a linking part (4) not in contact with the building. A fixing part, provided with a metric pitch thread, i...
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WO/2005/038275A1 |
A self-drilling anchor (210) for use in a friable material (1) comprises a body (20) having an axis (206), an axial bore (208) adapted to receive a fastener, a proximal end (214), a drilling end (216), a proximal portion (218) adjacent t...
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WO/2005/035996A1 |
A wood screw for building suitable for firmly fixing a hard plate material harder than wood materials to a wood bed, comprising a shaft part (2) having threads (21), a head part (3) having a tool hooking part (31) for screwing the shaft ...
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WO/2005/033528A1 |
The invention relates to a screw element (1), particularly for cross-pull and/or cross-pressure reinforcement of wooden components by insertion into a pre-drilled core hole. The screw element (1) consists of a threaded shank (2) provided...
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WO/2005/021982A2 |
A threaded fastener, such as a screw, includes a head and a shank extending from the head and having a tapered tip portion. The head may have an annular recess open on the side of the head adjacent the shank. A pair of lands are disposed...
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WO/2005/003572A2 |
The reverse barb system for screws and nails includes fasteners that are barbed to prevent backing out once driven into a workpiece or construction material, such as wood. A screw with barbed threads (10) has several barbed thread sectio...
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WO/2004/108325A1 |
According to the invention, two components (22A, B) are interconnected by means of a screw blind rivet (2) in a single-stage positioning process. To this end, said components are directly clamped between a collar (8) of a rivet sleeve (4...
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