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Patent Searching and Data


Matches 251 - 300 out of 4,207

Document Document Title
WO/2005/007315
The invention is aimed at the provision of an automatic releasing-type rolling head for forming a tapered thread on a pipe in which the shock generated at the end of the thread rolling operation is alleviated and a thread automatic rolli...  
WO/2005/007391
A method of manufacturing a support body for run flat, wherein when the peripheral wall of a tubular blank (B) is pressingly held between an inner molding roller (1) and an outer molding roller (2) and at least one circumferentially cont...  
WO/2005/005079
The invention relates to annular composite workpieces, in particular anti-friction bearing rings, and to a cold-rolling method for producing said rings from at least two hollow cylindrical workpieces (1, 2) consisting of different materi...  
WO/2004/113742
[PROBLEMS] To provide a method of manufacturing a magnesium-base alloy screw capable of manufacturing, with high productivity, a screw formed of a magnesium-base alloy with excellent strength and the magnesium-base alloy screw. [MEANS FO...  
WO/2004/110669
A form rolling method for a spiral body for manufacturing the spiral body of a spiral body gear mechanism by from rolling and a form rolling die for the method capable of increasing the form rolled accuracy of the roundness of the form-r...  
WO/2004/103590
A rolling apparatus comprising a first work roll 25 and a second work roll 26 cooperative with the first work roll 25 for rolling a metal blank plate P to manufacture a metal product of miscellaneous cross section comprising a plate port...  
WO/2004/101195
The present invention discloses a device for forming a tooth form of a sprocket gear for the power transmission apparatus fore a chainless bicycle. The device for forming a tooth form comprises a first and second main driving motor opera...  
WO/2004/098824
A die installation mechanism in a thread-cutting machine, where a thread portion is formed in a blank material by moving a moving die along a stationary die with the blank material clasped by the stationary die and the moving die. The di...  
WO/2004/096488
A method of producing a thread-rolling die used for producing multiple-threaded bolts, such as double-threaded bolts, having a loosening prevention function. A first cutting tool (10) has a shape of a coarse pitch thread with a flat cres...  
WO/2004/085093
A method and a device for manufacturing bolts capable of mass-producing multiple screw bolts such as double screw bolts at low cost and a screw rolling die used therefor, the bolt manufacturing device comprising a pair of screw rolling d...  
WO/2004/082872
A technique for net shaping gear teeth of a high performance power transmission gear from a powder metal workpiece (42) includes heating a powder metal workpiece (42) in the form of a near net shaped gear blank having gear teeth surfaces...  
WO/2004/076094
A method of manufacturing a metal ring for endless metal belt capable of manufacturing the metal ring with less stress concentration and facilitating the manufacture and maintenance of a rolling roller transferring mesh-shaped irregulari...  
WO/2004/067205
A method of forming a highly accurate sprocket or gear using a combination of spin forming and ironing. An edge of a metal blank disk is split and spin formed into a 'T' shape using known methods. A profile, such as a toothed profile, is...  
WO/2004/067294
A rim material (11) for an unequally thick rim, an unequally thick rim (12) manufactured by using the rim material (11), and a method of manufacturing the rim (12) by using the rim material (11), the rim material (11) comprising first ma...  
WO/2004/050269
The method of forming self-attaching female fasteners (26) by rolling a continuous metal strip (20) including a central pilot portion (28) having parallel sides and flange portions (32) on opposed sides, severing at least the pilot porti...  
WO/2004/022986
A thrust screw (14) for applying force against an object. The thrust screw (14) comprising a housing having a ball (12) secured therein. The ball (12) having a flat planar surface (16) which contacts the objects for applying force agains...  
WO/2004/022259
The invention relates to a method for producing tooth profiles, according to a deformation technique, on the peripheral surfaces of toothed wheel blanks (1). According to said method, the blanks (1) are rolled onto a forming toothed rack...  
WO/2004/020857
The invention relates to a device for the axial positioning of a component on a shaft (20), comprising at least one projection (116) which is formed by means of plastic deformation on the shaft and which acts as a stop for the positionin...  
WO/2004/020124
Disclosed is a method for the production of a spindle nut (3) of a spherical thread drive mechanism. The inner circumference of said spindle nut (3) comprises at least one screw-shaped track (4) which is formed thereupon as a single piec...  
WO/2004/014600
The invention relates to a method for finishing the bearing points (11) on crankshaft journals and connecting-rod journals of crankshafts (1) for motor vehicle engines. According to the invention, the crankshafts (1) have chamfers (14) b...  
WO/2004/007110
A method for inserting blanks to be threaded in automatic rotary rolling machines, in which the step for inserting the parts to be machined in the working position occurs at an adjustable optimized rate, so that the portions of the outer...  
WO/2004/005732
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),...  
WO/2004/001236
The invention relates to a wood screw comprising a thread (4) that commences at a screw tip (1) and extends over part of the shank (2). Said screw is produced from a pre-tempered steel as the starting material. This obviates the need for...  
WO/2003/102374
The present invention discloses a hot rolled threaded bar (1) having a single start helical thread in which every second turn (5) of the thread is absent. In addition, the circumferential extent of each half turn of the thread approaches...  
WO/2003/099489
An insertion device (101), particularly for automatic rolling machines, which includes a reciprocating member (8) that is provided with a means (11) adapted to pick up a part (4) to be machined from a guide (5) and to insert it in a work...  
WO/2003/099488
An automatic rolling machine (1) with flat chasers, comprising a motionless plate (2) and a movable plate (3) that is fixed to a support (11) that has a reciprocating motion actuated by a chuck, by means of a rod-and-crank system (10+12)...  
WO/2003/095128
The invention relates to a crowngear which is suitable for remachining and comprises a solide or annular body with crowngear toothhing made by chipless forming with the aid of a die or mold. The crowngear has a theoretical root fillet wh...  
WO/2003/092926
The invention relates to a method and a device for producing inserts (12) for safety shoes or protective shoes (14), said inserts (12) being made from a longitudinal form that is made of aluminum or an aluminum alloy and being provided w...  
WO/2003/090971
The invention relates to a deep rolling roller head (1) of a deep rolling tool for deep rolling radii or recesses (22) on the main and lifting bearing journals of crankshafts (21). Said deep rolling roller head is equipped with a housing...  
WO/2003/090972
The invention relates to a hard-rolling roller head (1) pertaining to a hard-rolling tool for hard-rolling radii or recesses (22) on the main and lifting bearing journals of crankshafts (21). Said roller head comprises a housing (2) in w...  
WO/2003/089159
An apparatus and method for forming grooves (24) in a pipe (10) for receiving mechanical pipe clamps are disclosed. The apparatus includes a holding fixture (42) for securing the pipe (10) and a carriage (70) rotatably mounted on the hol...  
WO/2003/086719
A method for manufacturing a directionally dependent reflective surface on a substantially cylindrical body (1). The method comprising the engagement of a tool (4) with the outside surface (8) of the body, thereby forming at least one gr...  
WO/2003/070397
In forming an internal gear from a blank (2) for the internal gear, first the blank (2) is fitted on a form (3) and fixed thereon by a press form (4). Then, a forming roll (5) is moved in the direction of arrow (B) in Fig. 6 while rotati...  
WO/2003/061866
The invention relates to a method for deep rolling and dressing crankshafts. According to said method, values relating to the deformation behaviour of the crankshaft during the deep-rolling method are determined for said crankshaft in a ...  
WO/2003/061906
The roll-hardening device (8) pertaining to a roll-hardening machine (1) for crankshafts (3) is configured like a pair of scissors. Two pivotable scissor arms (9, 10) respectively comprise a roll-hardening head (13) or a support roller h...  
WO/2003/051573
The invention relates to a method for the production of plates from metal sheet with regional variations in thickness (D, D1, D2), for use in the preparation of structural pieces for motor vehicles. At least one region (A, B) of a metal ...  
WO/2003/026814
The invention relates to a method for producing a shaft (22) and to a device containing one such shaft (22), especially a rotor shaft (22) of an electromotive drive (12). Said rotor shaft (22) comprises a recess (38, 38'), at least in on...  
WO/2003/026818
A compacted and sintered gear blank is supported for rotation about a first axis adjacent a tool supported for rotation about a second axis transverse to the first axis. The tool has a series of gear cutting teeth and an adjacent set of ...  
WO/2003/022485
The invention relates to a device for producing a rotationally symmetrical transmission part (1) comprising a hub (10). Said device comprises a clamping device (3), which retains the external region of the transmission part (1) and a rot...  
WO/2003/022483
The invention relates to a device for producing a shaped body (1), which has a concentric hub (12), from a blank (11). The device comprises a rotating tool plate (2), against which the blank (11) rests, a pressure roller (4), which can b...  
WO/2003/023239
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 ...  
WO/2003/014548
A variable blade manufacturing method based on plastic working technology capable of minimizing cutting and welding operations in manufacturing variable blades assembled in a VGS type turbo charger, comprising the steps of punching out a...  
WO/2003/014547
A variable blade manufacturing method capable of realizing the mass‚ąíproduction of not only a variable blade but also a VGS type turbo charger formed by assembling the variable blade therein, comprising the steps of machining shaft part...  
WO/2003/013938
A rack (20) for a rack and pinion steering system (10) includes a fully dense powder metal rack tooth section (50) joined, by sintering, to a hollow rack tube (30). The rack tooth section (50) is formed by pressing powder metal (70) into...  
WO/2003/013758
The invention relates to equipment for cold forming blanks of metallic parts by means of revolution, in particular to form grooves or a knurling. The inventive tool comprises regularly-spaced teeth (D) disposed on a tooth gullet (F), wit...  
WO/2003/013752
A structure (2) and associated methods are provided having enhanced slip-resistant surfaces formed on the projections (4), recesses or other surfaces of the structure to promote safe and stable movement of people and/or objects on the st...  
WO/2003/014596
The invention comprises a crankshaft damper (100) having an integral pulse ring (17). The crankshaft damper comprises an inner hub (110) and outer pulley (15) with an elastomeric connecting member (14) between each. The elastomeric ring ...  
WO/2003/004193
Disclosed is a method of manufacturing kitchen utensils, in which a strip or coil is inserted between an upper and a lower roller according to a rolling process, thereby rapidly manufacturing the kitchen utensils in commercial quantities...  
WO/2003/000444
The top portion (2) of a material (1) for a rail (8) of a linear guide (51) is formed in a convex shape. In this convex shape, portions (15a', 15b') protruding to the side of a top surface (14) are removed beforehand by rolling raceway g...  
WO/2003/000442
A method of forming a worm gear by rolling to reduce the number of working processes while sufficiently assuring a gear accuracy, comprising the step of positioning a work material between a first rolling die (100) and a second rolling d...  

Matches 251 - 300 out of 4,207