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Patent Searching and Data


Matches 601 - 650 out of 5,766

Document Document Title
WO/1990/005605A1
A lathe and a method of using the lathe are disclosed for forming an aspheric surface on a workpiece. The workpiece (12) is mounted to a holder (10) that is rotatably carried by the spindle (8), headstock (6) and bed (4) of a lathe (2), ...  
WO/1990/004475A1
The tool, for chamfering the ends of plastics piping, comprises a frustoconical member (4) for receiving the end of the piping, the frustoconical member having a multiplicity of cutting edges (6) distributed around its interior. These cu...  
WO/1990/000692A1
A piston has a ring groove with through-slots that extend radially into the free inner space of the piston and that are exclusively located in the circumferential direction of the corresponding annular groove in areas on the pressure-cou...  
WO/1989/010814A1
This invention relates to a method of simultaneously cutting a set of rolls (10 ...), which arranged so that the axes (i ...) thereof are on one plane and spaced at equal angles so as to form a caliber hole (11) at their center, with a c...  
WO/1989/010236A1
This invention relates to a method for surface notching with a combination lathe. A finishing allowance (TC) and a work passage (15) spaced apart from a work passage by an offset quantity (R) are calculated to execute rough working (2) a...  
WO/1989/008517A1
A machine for finishing the ends of cylindrical workpieces including a common, manually operable control member (80) for sequentially actuating a pneumatic work clamp (20), initiating motor operation of a machining tool (71) and manually...  
WO/1989/003741A1
A portable machine for field facing and threading of pipe including a body in which is carried a shaft for rotation about a central axis. Attachment apparatus attaches the body to the end of a pipe so that the central axis of the machine...  
WO/1988/008346A1
A method for producing workpieces with surfaces of non-circular but regular cross-sections with a working tool, wherein the workpiece is rotated around its own axis and the axis of the workpiece is rotated around an axis being eccentric ...  
WO/1988/007424A1
A portable lathe tool includes fixed and rotating split rings (12, 22) the fixed ring (12) arranged to be secured to a pipe workpiece (18), the rotating ring (22) being relatively rotatable with respect thereto for carrying a tool (34) c...  
WO/1988/004589A1
A method and an apparatus for cutting and deburring of tubes, whereby a base tube (23) is successively cut into several smaller tube pieces (24) and the cut edges thereof are deburred in a machine comprising a cutting means (1), a double...  
WO/1988/003459A1
According to the ultra-precise machining method for machining a revolution surface (240) on a workpiece (204) held in position by means of the rotor of a workpiece-holder spindle (1), which rotor is mounted through active magnetic bearin...  
WO/1988/002676A1
Polygon manufacturing tool which can cut rapidly and economically a work to have a regular polygonal section. A spindle to which a work (1) is fitted is rotated at a speed at least twice the rotating speed of a tool shaft to which a tool...  
WO/1988/002290A1
A mandrel assembly for a portable lathe (10) having a clamping system which will accommodate a wide variety of pipe sizes. Jaw blocks (62) are removably attached to the mandrel attaching block (58) to increase or decrease the clamping si...  
WO/1987/003522A1
A process for the production of holes (30) having curvilinear paths in engineering components. The process comprises the steps of producing relative motion along a curvilinear path between a workpiece (28) in which it is desired to form ...  
WO/1987/000466A1
The device for clamping crankshafts in machining units is designed to secure the parts to be machined in a specific position, in a reproducable manner and without distortion, even in the case of differing rough-finished crankshafts and v...  
WO/1987/000646A1
A machine tool has a workpiece (11) which is rotated by a motor (10). The tool (16) is moved by a tool drive (18) to machine a required surface profile on the workpiece and is also indexed on a carriage (14). The stepping signals for the...  
WO/1986/004277A1
This cutting machine has as its object the suppression of variations in the angle of the opening of a pipe being cut when the diameter of the pipe is altered, and in the thickness of a route face. This machine has a rotary drive unit (7)...  
WO/1986/003148A1
A mandrel assembly (10) for use in a portable lathe apparatus for machining the end face of a hollow workpiece (12). The mandrel supports an orbiting cutting tool (18) which machines the end face (14) and defines a cutting plane. The ang...  
WO/1985/005587A1
A conventional lathe-type machine. A spindle (18) with a chuck (20) for the workpiece is secured in a conventional manner on a machine bed (10). Also fixed to the machine bed (10) are two other shafts (52, 56). The drive motor (22) which...  
WO/1985/002799A1
The peeling machine (1) for bars, tubes and wires comprises an inlet apparatus (6) and an outlet device (11) for the work-piece (2). The drive of the outlet device (11) is derived from the motor (21) of the inlet apparatus. The coupling ...  
WO/1985/001237A1
A lathe for cutting an aspherical surface on a workpiece, such as a contact lens blank, comprises a headstock (2) mounted for linear reciprocating movement relative to a radius cartridge (9) having a tool post (10) for mounting a cutting...  
WO/1985/000545A1
Process for fabricating work-pieces with polygonal inner and/or outer profile, preferably by removal machining, wherein the work-piece pivots about a fixed axis (4) at constant speed while the tool (5) defines a closed loop path, wherein...  
WO/1984/004569A1
A blower of the displacement type, comprising a stationary outer cylinder (10, 11) and an inner cylinder (32, 33, 34) eccentrically rotatably mounted in relation to the outer cylinder, a stationary shaft (14) arranged concentrically in t...  
WO/1984/000709A1
A portable tube end preparation tool includes a right angle drive motor (44) for rotating the cutter head (16) and a right angle cutter feed nut drive shaft (78), both motor and feed nut drive shaft capable of being positioned in the sam...  
WO/1984/000018A1
The manufacture is preferably carried out by removal of chips, and to this effect the workpiece (1) rotates about a fixed axis with a constant speed, while the tool (13) is guided along a closed path. The rotation speed of the workpiece ...  
WO/1983/003119A1
Known jet turbine driven machine tools suffer considerable speed reductions when the load increases or varies. This results from interference between the spent air and the working jet. In the case of the present invention the turbine, dr...  
WO/1983/002738A1
A portable machine tool for preparing pipe ends located within a confined area for welding includes separable motor and tool housing (12, 14), a mandrel (18) and associated support shaft (30) for coupling the tool to the pipe workpiece, ...  
WO/1983/002411A1
In a turning machine for machining crankshafts of the double excentric type, the rotary bush (51) is arranged in an inner excentric (11) which is guided in an outer excentric (15) rotatingly held in a casing. The mutual position of the t...  
WO/1983/000648A1
A pipe end preparation and cutoff tool (10) includes a generally annular, fixed housing (12) and a relatively rotatable tool carrying ring (18) that is connected to the housing (12) by means of orthogonal sets of roller bearings (38, 40)...  
WO/1982/003031A1
The cutter-holder is also suitable for processing epicycloid, hypocycloid, ribbed and relieved polygonal surfaces. The advantageous feature of the cutter-holder according to the invention lies in that on a work piece of any size or weigh...  
WO/1982/001838A1
A tool holder for multiple cutting tools is provided with a cam device (46) to permit precise adjustment of the location of at least one of the tools (36) (for example, an end squaring tool) relative to another tool (38) (a bevel tool). ...  
WO/1982/001678A1
The refacing of worn brake disks of vehicles is carried out on the vehicle itself by connecting an outer drive with the disk (27) or with the shaft (42) on which the disk is mounted. This provides for the correct positioning of the machi...  
WO/1982/000837A1
A lower non-woven layer (18) is first formed by wet process on an inclined sieve (17) by means of a first hydroformer (16, 19). Then, the water is eliminated in the hydroformer (19) and the layer is possibly partially dried in a dryer (2...  
WO/1982/000793A1
Apparatus for rotating a curved workpiece, for laminating, turning or otherwise surface-treating the workpiece with the purpose of rotating the workpiece in such a way that the surface-treatment material feeding device or the surface tre...  
WO/1982/000452A1
A continuous tube (T) is formed by spirally-winding an extruded thermoplastic ribbon (R) having mating edges which are joined together to form a spiral seam and having at least one reinforcing rib (3) which, when in its spiral wrapped fo...  
WO/1981/000225A1
A pipe cutter for cutting pipes of plastic material. The pipe cutter has a clamp (2) for clamping the pipe and the clamp carries a saddle (9) which is rotatable about the clamp. A radially adjustable cutter (16) is mounted on the saddle ...  
WO/1979/000082A1
A method for forming a plurality of optical surfaces on an optical lens precursor, desirably a "soft" contact lens button or blank, to yield a lens adapted for proximate or intimate contact with an eyeball and defined by at least one pos...  
JP2021043732A
【課題】ポリゴン加工によってワークに形成 された加工面の位置を検出する。【解決手段 】ポリゴン加工中の加工データを加工データ 記憶部17に記憶する。位置検出部18...  
JP2021037599A
【課題】汎用の複合加工機械を用いて加工す ることが可能なねじ軸の加工方法を提供する 。【解決手段】ボールねじのねじ軸Wを加工 する方法であって、工具TMを保持して...  
JP2021037602A
【課題】軸状ワークに対してミーリング加工 を行う際にも、当該軸状ワークを、安定して その振れを抑制した状態で支持することがで きる振れ止め装置等を提供する。【解決...  
JP2021037604A
【課題】他の構成物と干渉しないように工作 機械に配設することができる定寸装置等を提 供する。【解決手段】工作機械に付設される 定寸装置90であって、2つの測定子9...  
JP2021037589A
【課題】突切バイトの破損等による突切加工 の不良を精度良く検出する工作機械および工 作機械の制御装置を提供する。【解決手段】 ワークWの一端側を保持する主軸110...  
JP2021032268A
To realize a manufacturing method capable of improving the durability of a large collar portion constituting an inner ring for a hub unit bearing. A method of manufacturing an inner ring for a hub unit bearing is a method of manufacturin...  
JP6833710B2
To process an eccentric portion by using a machine tool and a method for processing by the machine tool with simple settings. An automatic lathe (1) (an example of the machine tool) includes a main spindle (2) that rotates a workpiece (5...  
JP2021024039A
To provide a pipe end chamfering facility capable of reliably crushing by a crusher without clogging cutting chips generated by cutting a pipe end surface. A crusher 50 is provided below a pipe end surface, and the crusher 50 has a pair ...  
JP2021506597A
The automation system (10) for operating the workpiece (18) includes a machining device (100), a positioning device (12) configured to position the workpiece (18), and a machining device. Operately connected to (100), the position of the...  
JP2021020256A
To perform groove processing having an inner chuck mechanism for fixing to a pipe joint to be processed from the inner diameter side when performing groove processing on an end portion of a pipe joint which is in an existing state and ha...  
JP2021020306A
To provide a lossless removal equipment for a metal surface plating layer which has a quick response, a high degree of automation, and removes all plating layers. A main body 10 is included, a working space 27 opened forward is installed...  
JP2021014058A
To provide a manufacturing method for forming an undercut-shaped groove in a series of manufacturing steps of a ballpoint pen tip. A method for manufacturing a ballpoint pen tip 10 includes a step of attaching a cylindrical work W to a p...  
JP2021503379A
The present invention includes a motor (23) having a rotating shaft (D), a friction roller (24), and a measuring bridge (18), and the friction roller (24) is connected to a drive shaft of the motor (23). Regarding the device (22) that ca...  

Matches 601 - 650 out of 5,766