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Patent Searching and Data


Matches 651 - 700 out of 8,841

Document Document Title
WO/1989/010805A1
A wire straightener (16) and multiple preform rollers (20) prepare a continuous length wire (14) for further forming by multiple form rollers (24) having multiple spaced apart notches (117) formed in an annular edge (118) of the rollers ...  
WO/1989/005203A1
The invention concerns a device for shaping a pulley blank, in particular for making poly-V profiles. A sheet metal object is surrounded by an annular tool (7) mounted eccentrically on an inner cam located on an outer cam (14). The outer...  
WO/1989/000899A1
A method of making workpieces, for example springs with few leaves, consists in placing a heated workpiece (1) on a calibration die (2) and feeding it into a deformation zone to form an article of a desired profile, the deformation being...  
WO/1988/003450A1
A method for producing the rack of variable ratio rack-and-pinion steering arrangements in which a uniformly toothed pinion meshes with a non-uniformly toothed rack. The rack has a central section (7) of uniform pitch and tooth shape fla...  
WO/1988/002287A1
An apparatus, based on a conventional lathe, for the screening of ink transfer rollers including a rotatable screen forming tool (45) rotatably held above the ink transfer roller (9) by a pivoted arm (26). The arm (26) pivots about an ax...  
WO/1988/001917A1
Since conventional cross roll forging is carried out at a high temperature, decarburization occurs in a chemical reaction due to thermal oxidation, so that the work must be subjected to post-processing. Since, however, the present proces...  
WO/1987/007435A1
A battery receptacle for selectively and alternately receiving a lithium battery (11) which has positive and negative terminals (13) on a first end face (9), and alkaline-manganese batteries (21), each of which includes positive (22) and...  
WO/1986/006443A1
A downhole screw motor comprises a casing (1) containing inside it working organs consisting of two elements: an external one which is made as a bushing (2) with inner spiral teeth (2'), and an internal one which is made as a shaft (3) p...  
WO/1986/004274A1
The method according to the invention relates to the making, without material removal, of grooves such as helical threads on the wall of tubes made of ductile or plastic materials. It consists in operating a knurling roller (11) having a...  
WO/1986/003996A1
A rotary forming machine assembly including a lower base (12) and a pair of spindle housings (14) including front (16) and rear (18) walls. A tool spindle (20) is rotatably mounted between the front (16) and rear (18) walls of each of th...  
WO/1986/002867A1
A method of manufacturing a drill shaped cutting tool which is used to roll a workpiece, such as a wire rod by a rolling die; and a rolling die used for this purpose. This rolling die (201) is provided at at least a portion of a substant...  
WO/1986/002416A1
A fastener having a shank with a relatively abrupt transition (34) from an unthreaded portion (33) to a full thread dimension (35), the thread runout (36) occupying no more than one pitch length of the thread in the axial dimension, and ...  
WO/1986/002296A1
Method and machine for making rotational bodies by plastic deformation with a diameter varying lengthwise. Method wherein, upon rotating the blank, a local pressure is exerted with a progressive increase of force involved at start so as ...  
WO/1986/001753A1
The device is provided for the rolling or pressing of spiral drills from a preheated cylindrical blank (21) by means of squint profiled rollers (15) concentrically distributed at the periphery of the blank, delimiting a calibrated openin...  
WO/1986/001753A2
The device is provided for the rolling or pressing of spiral drills from a preheated cylindrical blank (21) by means of squint profiled rollers (15) concentrically distributed at the periphery of the blank, delimiting a calibrated openin...  
WO/1986/000549A1
This invention is characterized in that, during the manufacture of an integrally-forged light alloy wheel for an automobile, an outer rim (12), which rises from the outer circumference of a disc surface (11), is formed simultaneously wit...  
WO/1986/000554A1
A composite assembly knurling tool for forming uniformly-spaced horizontal serrations continuous across the surface of a metal flake producing drum. The knurling tool comprises an alternating array of spacer (15, 17, 19, 21, 23) and form...  
WO/1985/003114A1
The method for making the failure-resistant damper provides for fabricating a hollow cylindrical blank (1) of which the multilayer wall is provided with an artificial discontinuity (2) taking place at least in one of its layers. The diam...  
WO/1985/002797A1
A apparatus for forming splines in a first portion (22) of a shaft (13) of a workpiece (12) and a thread in a second portion (24) of the shaft (13) which has a smaller cross sectional diameter than the first portion (22), the apparatus i...  
WO/1985/000400A1
A safe security system which includes a key operated time delay lock (10) and a separate key switch (9) thereby requiring two individual keys for the opening of the safe, a dye marking device (20) within the safe, a door switch (23), and...  
WO/1984/000511A1
A wheel (16) of which the periphery is shaped as a profile which is complementary to that of the threading to be surfaced, is used as a cutter for roller burnishing a helical thread. The wheel (16) is idle mounted in rotation about an ax...  
WO/1984/000186A1
Reinforcement of a moldable material by means of fibers comprised of a filiform body provided at each of each ends with an anchoring device consisting of one or a plurality of volumes of any shapes and of which all cross-section dimensio...  
WO/1983/002741A1
For the manufacture of a nut, a piece of plate material which is bent to form a tube (9) can be used. This tube can be placed over a mandrel (8) and clamped together around the mandrel, first by means of a pair of spring-loaded dowels (5...  
WO/1983/001097A1
Nail-type fastener, comprising an elongated shank (1) with a head at one end, and a point at the other end. The nail shank has three symmetrically placed, longitudinal grooves (4) separated by longitudinal ridges (8) with a cross-section...  
WO/1983/000025A1
An automatic rolling train comprises a loading device (1), a rolling mill (4) provided with at least two pairs of tools (9, 11 and 10, 12) located on the opposite sides of the rolled workpieces, a mechanism (14) for feeding the workpiece...  
WO/1982/004207A1
A method of making articles by deformation of cylindrical work-pieces comprises the heating of work-pieces (1), their cross-helical rolling with simultaneous deformation of their butt-end waste parts (3) by means of cutoff blades, subseq...  
WO/1982/000608A1
A cross rolling mill comprises a split casing (1) inside which are mounted parallel plates (4) and (5) provided with wedge-shaped deforming instruments (9) and (10). The upper and the lower parts (2) and (3) of the casing (1) are provide...  
WO1982000109A1
A thread-rolling tool comprises a casing (1) in which, evenly spaced along a circumference, are mounted threading rolls (3), (4), (5) with their axes inclined in relation to the axis of rotation of the casing (1) at an angle equal to the...  
WO/1982/000014A1
A method of obtaining on a workpiece a resilient screw thread with a closed helical cavity inside its profile comprises plastic deformation of the walls of a preliminarily manufactured screw groove with a depth exceeding that of the toot...  
WO/1981/001672A1
The tap comprises a groove-forming stage (1) with a shank (2) carrying a thread-forming stage (3) the pitch of projections of which is equal to the pitch of projections of the groove-forming stage (1), whereas the projections of the thre...  
WO/1981/000365A1
A method of manufacturing a resilient screw thread with a closed helical cavity inside its profile comprises plastic deformation of the walls of a screw groove preliminarily manufactured by means of a thread-rolling tool (2). The screw g...  
WO/1981/000094A1
A roller of conveyer having the form of a hollow cylindrical casing (1) with perpendicular butt-end walls (2) provided with semiaxles (3) for bearings. The butt-end walls (2) and the semiaxles (3) are made solid with the hollow cylindric...  
WO/1980/002810A1
A forming leveller establishes one or more datum or reference planes (227, 226, Figs. 7, 9 and 10, for example) to facilitate subsequent roll forming. The reference planes may be established on the same side or opposite sides of the stoc...  
WO/1980/001886A1
The machine for drawing a thread of bolts has two drawing tools (1, 2); one of the tools (1) is attached to a reciprocating carriage, the other tool (2) being fixed against a stop (4). Between the drawing tool (2) and the tool support (3...  
WO/1980/000425A1
A thread forming screw (11) having a helical thread (18) and a tapered lead-in section (14) with a polygonal cross section is formed from a conventional blank (24) by rolling the blank between a pair of thread rolling dies (70) having me...  
JP2017060970A
[Subject] The present invention can control a slide at the time of processing, maintaining processing quality of form-rolling material, and provides a form-rolling dice which can maintain high processing accuracy in the long run. [Means ...  
JPWO2015122186A1
歩留り良く、かつ生産効率の高い環状部材の 製造方法を提供する。そのために、一度(一 連)の鍛造で、内径寸法が異なり、径方向に 接続された4個の円筒部分の接合体(4...  
JP2017047437A
[Subject] A form rolling device and a form-rolling method of a screw which can make the physique small more are provided. [Means for Solution] Attaching part 30 has penetration hole 31 for storing work 19. Inside diameter D9 of penetrati...  
JP2017042807A
[Subject] A difference thick board material manufacture device with which advanced control is not demanded is provided. [Means for Solution] Difference thick board material manufacture device 1 is provided with the following. Hydraulic p...  
JPWO2015012330A1
円筒状の素材を中心に配置して、素材の外周 から転造加工するための円筒状の複数の丸ダ イスを備えた転造盤である。丸ダイスの押込 み方向(X軸)の廻りで旋回させる傾斜...  
JP6086708B2  
JPWO2014174966A1
【課題】シールリング溝が回転逐次加工によ り形成されるチューブおよび該チューブを備 える緩衝器において、シールリング溝に装着 されたシールリングの耐久性を向上させ...  
JPWO2014196127A1
スピニング増肉成形方法は、中心部(83) が固定治具(3)に固定された板材(8)を 回転させながら板材(8)の周縁部(81) の肉厚を増大させる方法である。具体的...  
JP6085131B2  
JP2017505233A
ねじ山を転造及び/または修理するためのね じ山転造ツールに関し、パイプ端部(18) に固定されるべき留め装置(12)と、パイ プ端部(18)の中にねじ山を転造する...  
JPWO2014148464A1
本発明は,高品質なリング圧延用素材(11 )を提供することを目的とする。リング圧延 用素材(11)は,径方向外周面(12)お よび内周面(13)を備え,リング圧延...  
JP2017029998A
【課題】本発明は、加工歯の損傷を抑制し、 高い加工精度を長期的に維持することのでき る転造ダイスを提供する。【解決手段】本発 明の転造ダイスは、平ダイス転造方式に...  
JP2017024031A
[Subject] A forming process of a rotation transmission device by die-casting is provided. [Means for Solution] The 1st step to which the 1st metallic mold arranged at the upper-and-lower-sides side is made to fix a disk in which a hole i...  
JP2017020555A
【課題】鋼材から熱間転造用の歯車素材10 を用意し、その歯車素材10の表面に浸炭層 12を形成し、その後、熱間転造による塑性 加工を施して所定形状の歯形を持つ歯車...  
JP2017019010A
【課題】成形ローラの干渉等による成形形状 の制約を緩和し、成形形状に関する設計の自 由度を高くする。【解決手段】バックアップ ローラ18に設けられた位置決め溝42...  

Matches 651 - 700 out of 8,841