Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 6,657

Document Document Title
WO/2010/112436A1
Threaded fasteners, such as bolts, nuts and screws, made of a polyarylene, which exhibit outstanding characteristics, notably a high torque.  
WO/2010/112435A1
Fasteners, such as bolts, nuts and screws, rivets, pins, and retaining rings, made of a highly kinked rigid-rod polyarylene exhibiting outstanding characteristics, notably a high torque and a high tensile elongation, a measure of practic...  
WO/2010/102365A1
The subject utility model patent application concerns with the manufacturing of fastening screw for prosthetic components with a thread achieved by a rolling process (thread rolling) to the fastening of the fitted screw of universal trun...  
WO/2010/097648A1
The problem to be solved by the invention is the increasing of service life and travel performance of railroad wheelsets. The invention achieves said technical effect by providing a device and a method for local fixing of the wheels of a...  
WO/2010/093329A1
A thread forming screw thread fastener for fastening into a hole formed by the fastener in a work piece, the fastener comprising: a head having a drive to be engaged with a driver bit; and a shank with threads having a symmetrical thread...  
WO/2010/093330A1
A torque retention screw thread fastener and corresponding thread roll die to manufacture the screw thread fastener is disclosed. The torque retention thread forming screw comprises retention elements in the thread valley of the screw th...  
WO/2010/086538A1
The distribution of load stresses on the engaged threads of a standard screw or nut is not even. Indeed, the first engaged threads bear a large majority of the load. Consequently, if the load is too great, the threads break and the funct...  
WO/2010/082403A1
A titanium alloy screw produced from a titanium alloy screw material which has undergone plasma carburizing. The screw has a hardened groove bottom part and, hence, has a reduced coefficient of friction and improved fastening characteri...  
WO/2010/075600A1
The invention relates to a method for backing the inside teeth (2) of a sliding sleeve (3) produced by way of powder metallurgy for a manual transmission, wherein the backings (1) of the teeth (4) form pitches (9) on the face side are fo...  
WO/2009/033927A9
The invention relates to a machine tool for providing workpieces (29) with toothed sections. Said machine tool comprises a workpiece support (25), a cold-rolling device for providing at least one workpiece (29) held by the workpiece supp...  
WO/2010/054648A1
The invention relates to a method for increasing the flexural strength of crankshafts (8) by hardening the transitional radius (17) between a bearing pin (9, 13) and an adjacent web (11, 12), deep rolling the hardened transitional radius...  
WO/2010/022552A1
A device for forming the thread on the reinforcing rod end is positioned with expanding tools with at least two times. The device includes chamfering, skimming and threading tools (4), expanding and limiting units (3), arm expanding wedg...  
WO/2010/012457A1
A device for producing or processing workpieces comprises a preform (4.1), having a rotatable mandrel (Ia) which is mounted such that it can be displaced parallel to a longitudinal axis (x) of the device, an associated chuck (Ib) for mou...  
WO/2010/006873A1
The invention relates to a method for producing a circular cylindrical body (10) comprising a workable mass, having a least one helical internal cavity extending in the interior of the body. The body (10) is initially produced with a str...  
WO/2009/155884A1
A lead-in type interference fit pipeline external thread (10), it is able to achieve its seal while non-use of packing, in which the effective thread is a cone-shape pipe thread, at least two complete variation convex thread (11) is in f...  
WO/2009/149914A1
A rolling machine for shaping metallic and/or iron-containing workpieces comprises a) at least two rolls that are rotatably or rotatingly mounted in respective two pivot bearings (12, 13) at opposite ends about an associated rotational a...  
WO/2009/149916A1
A rolling machine for shaping, especially hot-shaping, metallic and/or iron-containing workpieces comprises a) a machine frame (60), b) at least two roll/bearing units (62, 63) having respective rolls (2, 3) on which at least one tool (7...  
WO/2009/150053A1
The invention relates to a roll forming method for producing longitudinally toothed profiled bodies in pot-shaped cylindrical workpieces. According to said method, the pot-shaped cylindrical workpiece (1) is moved bottom (3) first throug...  
WO/2009/151223A2
The present invention relates to a screw used for connecting a hard disk drive cover to a steel plate and a method for manufacturing the same. In conventional joints, the tightening force gets weaker when the threaded portion is shorter...  
WO/2009/146690A1
The invention relates to a deep-rolling roller head (1) of a deep-rolling apparatus for deep-rolling radii or passes (4) at the bearing journals (5) of crankshafts using deep-rolling rollers (3), which are held at the deep-rolling roller...  
WO/2009/147359A1
This device for reversibly mounting a shaping mandrel (12) within a radial cage of a circular mill comprises at least one jaw (210, 212) mounted, with the possibility of radial (Y12) sliding (F210, F212) with respect to the axis (Z12) of...  
WO/2009/131763A1
A plurality of rollers (114,116, 214, 216) for producing longitudinal grooves (120, 122, 220, 222) in an elongated metal substrate (w), the plurality of rollers comprising a first set (114) and a second set (116) of rollers, the pluralit...  
WO/2009/127730A1
The invention relates to a method for producing an aluminum or aluminum allow strip for packaging purposes, in particular for cans, can covers or can closures. The object of providing a method for producing an individualized strip of alu...  
WO/2009/127178A1
The invention relates to a device (1) and to a non-cutting shaping method for introducing an outside profile into a workpiece (2). The device (1) is configured as a portable hand unit, so as to enable on-site use, particularly for statio...  
WO/2009/124657A1
The invention relates to a magnetic bearing having a bearing race (12), a plurality of electromagnets (2) disposed along the circumference thereof, and at least one distance sensor (7) per electromagnet (2). According to the invention, t...  
WO/2009/125102A1
This circular rolling mill (1), used for shaping annular workpieces (100), comprises a pair of rollers, an inner one (12) and an outer one (10), capable of working (F1+F2) the radial inner (102) and outer (101) faces of a workpiece, and ...  
WO/2009/124534A2
The invention relates to a method for producing an internally or externally toothed cup-shaped sheet material component with teeth that run in parallel to the center axis of the cup, especially of a clutch plate carrier, and a correspond...  
WO/2009/122040A1
The invention relates to a method for manufacturing a hollow blade (10) for a turbomachine that comprises drilling channels (24) into a blank of the blade, placing inserts into the channels (24), forging the blank, and removing the inser...  
WO/2009/120397A1
A method for forming a stepped shaft includes: forming a billet of a predetermined mass; heating the billet; cross-wedge rolling the billet to form an intermediate workpiece having a first cylindrical portion and a second cylindrical por...  
WO/2009/112074A1
The device for producing workpieces (1) having a defined profile with an angle of inclination ß, where | ß | ≥ 0°- comprises the following: a workpiece holder that can be rotated about the longitudinal axis (z) thereof and displaced...  
WO/2009/113476A1
A method of manufacturing an outer ring capable of extending the life of a bearing and enabling the stable rolling of rolling elements, an outer ring for a double row angular contact bearing, a bearing device for a wheel, and a double ro...  
WO/2009/108981A1
The invention relates to a method for producing a sintered, iron-based workpiece, wherein a formation is pressed from a sinter powder and sintered into a blank, before the blank is consolidated in the region of a surface layer. In order ...  
WO/2009/094794A1
The invention relates to a single-piece metal strip having no weld seams and made of a polycrystalline metal, comprising at least one region in which the crystallites have a comparatively stronger anisotropic orientation, and at least on...  
WO/2009/094763A1
The invention provides a method of designing shaping tools for metal containers (such as metal bottles) to minimize the formation of visible transition lines or ripples conventionally produced in such procedures as die necking and outwar...  
WO/2009/078337A1
A double-row angular bearing has improved rolling life and reduced cost. A bearing device for a wheel allows a reduction in man-hours in automobile assembling factories etc., can be produced with high productivity, and has reduced cost. ...  
WO/2009/067961A1
Method of manufacturing of ball bearing's rings by rolling-out of the blanks from bearing's steel using a roll-out machine where the blank is heated at the temperature between 600 °C and 800 °C advangeously between 700 °C and 720 °C ...  
WO/2009/065401A1
Disclosed is a device for deep-rolling transition radii (5, 6) of crankshafts (1). Said device comprises at least one ruler-shaped rolling element (12, 13) that can be moved back and forth in one direction and has a substantially rectili...  
WO/2009/065398A1
The invention relates to a device for introducing a deep-rolling force (6) into a linear deep-rolling tool (19, 20) in order to deep-roll radii or recesses (13, 14) at the transitions between journals (9) and cheeks (15, 16) of crankshaf...  
WO/2009/065399A2
The invention relates to a deep-rolling roller head (8) of a deep-rolling apparatus (1) for deep-rolling radii (27, 28) or recesses at the transitions between a journal (10) and the adjacent cheeks (24, 25) of a crankshaft bearing with t...  
WO/2009/062566A1
The invention relates to a method for producing a threaded insert having an internal and external thread which have different thread pitches or the same thread pitch, wherein the threaded insert is wound from a profile strip which, on th...  
WO/2009/059723A1
The invention relates to a ring roller comprising a main roller base (3) around which at least one rolling cylinder (2) is coaxially arranged. Each rolling cylinder (2) can be moved relative to the main roller base (3) and/or relative to...  
WO/2009/047869A1
A medal shape correction mechanism in a medal plate stamping device for reworking a curved and patterned medal formed by a plate forming mechanism into a substantially flat state before being delivered. The pattern of a selected plate is...  
WO/2009/019798A1
In a medal marking mechanism in a block forming mechanism, an added value of a discharged medal can be improved further by putting a mark such as a date and a serial number at a rear face of the medal on which the mark is transferred. Th...  
WO/2009/018992A1
The invention relates to a profile-rolling machine for rolling a profile in a blank, wherein the profile-rolling machine has a first and a second profile-rolling jaw. The second profile-rolling jaw (126) is guided - held by a carriage (1...  
WO/2009/008098A1
Provided is a medal cooling device in a medal die graving device which does not make a medal buyer have uncomfortable feeling caused by the generation of heat when the medal buyer touches a medal by holding the medal which is die formed ...  
WO/2009/008097A1
Provided is a die position adjusting mechanism in a medal die engraving device for electrically detecting information on the position of a rotation axis using a pulse method for detecting the position with an optical sensor, setting info...  
WO/2008/156425A1
A thread forming screw thread fastener and a corresponding thread roll die are disclosed for fastening into a hole of a workpiece composed of low ductility material. More specifically, the thread forming screw thread has smooth radius th...  
WO/2008/142214A2
A method for forming a coiler drum (5) for a hot rolling apparatus, in which method a jacket (6) is formed parallel to the rotation axis (X) of the drum. The drum (6) is formed of two or more elements (6a, 6b) placed next to each other i...  
WO/2008/139323A2
A method for forming an internal gear is provided comprising providing a powder metal preform workpiece, supporting the workpiece about its periphery, and roll forming said workpiece to produce a set of densified gear teeth of a predefin...  
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...  

Matches 351 - 400 out of 6,657