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WO/1994/000260A1 |
Described is a double-turret tool holder for a lathe, the tool holder having two turret discs (16, 18) mounted coaxially to each other and connected so that they rotate in unison. The two discs can be continuously displaced relative to e...
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WO/1993/024264A1 |
The invention provides a tool for bar peeling comprising a rotatable cutter head (11) with circumferentially spaced toolholders (15) each of which is provided with a U-shaped recess (17) along one of its side surfaces in which a wedge sh...
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WO/1993/022092A1 |
A work support structure for a camshaft miller constructed so that a plurality of journal portions (3d) of a work (3) are supported from the lower side thereof and from the side thereof which is opposite to the cutting direction on a plu...
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WO/1993/020988A1 |
A workpiece support assembly for a microrobotic apparatus for aligning three workpieces and welding them into an assembled package, includes a lower support assembly (80) having a ball and socket joint (100) with a polymer ball seat cast...
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WO/1993/021005A1 |
Apparatus for making a pipe-fitting, of the kind used to sealably connect the ends of plastic pipes, such as gas pipes, comprises head portion (14) and a support arm (15) the head portion (14) having a cutter (16) arranged to cut a helic...
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WO/1993/018879A1 |
A plunge cutting device for plastic pipe (P), pipe couplings, plastic flanges (F), and other planar members includes a cylindrical body (10) including slots (17) formed therein, a pilot (20) for guiding the cylindrical body (10), and cut...
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WO/1993/017814A1 |
The invention relates to a process for producing cross-head screwing tools or the like, especially in the form of bits, by cold forming from a workpiece section (W) cut to length from a profile rod and, in order to produce higher-precisi...
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WO/1993/016853A1 |
The invention relates to a support arrangement for round timber in a round timber lathe, comprising a feeder, such as a roller conveyor (7), feeding raw timber to a set (1) of lathe tools for being worked into round timber. For supportin...
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WO/1993/005912A1 |
A slitter machine for slitting a film sheet wound on a core in a roll (12) to obtain desired widths of film sheet for laminating onto metallic substrates of semiconductor devices comprises a main frame (17), notches (25a, 25b) on the mai...
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WO/1993/004226A1 |
Composite fibre material based on natural fibre webs in which the natural fibre webs have a basis weight of 200 g/m?2¿ at the most, and a process for its continuous production and further processing.
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WO/1992/020485A1 |
A device (30) for treating, and especially deburring and chamfering, the ends of pipes comprises an outer hollow cylindrical member (32) and an inner conical member (34) rotatably mounted inside the outer conical member. A guide slot (46...
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WO/1992/017304A1 |
Trimming tool for removing internal and external burr from the ends of tubes and comprising a sleeve, which internally is provided with a body with a conical indentation (8, 9) in one axial side of the sleeve and a corresponding conical ...
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WO/1992/014569A1 |
A tool for drilling spherical inner surfaces consists of a basic body (4) which rotates about its longitudinal axis during the rough-drilling operation. A swivelling housing (7) is mounted in the basic body (4) on a swivel pin (8) on whi...
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WO/1992/008562A1 |
A chuck device relatively simple in structure but capable of dividing the phase of a work with high precision in a short period of time. In order that at least one of a pair of chucks (42) may rotatably be held by the chuck proper (43) w...
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WO/1992/007684A1 |
A method of working a polygon enabling a polyhedron to be formed on a work in such a way that a specific part of the polyhedron exactly agrees with a specified peripheral direction position on the work, wherein, in such a state that a to...
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WO/1992/001527A1 |
A tool (2) for chamfering an end (4) of a pipe (6), which tool (2) comprises a hand holdable body portion (12), a head portion (14), and a chamfering blade (16) mounted in the head portion (14), the blade (16) being provided with a notch...
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WO/1991/017852A1 |
A cutting tool for pipe nipples including a body (10) which can be passed over the nipple and a clamping means (14) whereby the body can be retained on the nipple and a cutting head (42) having forwardly extending teeth (43), the cutting...
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WO/1991/017013A1 |
A machine tool comprises a support structure (40) having first and second opposite ends spaced apart along an axis, a drive assembly (44) mounted on the support structure at the first end thereof, the drive assembly comprising at least o...
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WO/1991/014527A1 |
A machining unit, in particular in a numerically controlled lathe, has a rotary head equipped with four pivoting tools for machining parts which pass axially through this head without rotating. Each tool is mounted on a respective pivoti...
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WO/1991/011962A1 |
Curved bore drilling apparatus (20) and methods having a remotely actuated, pivotal rocker arm (24) and a contilevered, curved guide (26) which guide and advance a cutting portion (61) through a predetermined curved path to drill one or ...
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WO/1991/010532A1 |
The invention relates to a process and a device for dressing truncated conical tips of electrodes (1, 2) in a spot welding gun, press or the like. According to the process, each electrode tip is dressed both on its truncated conical late...
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WO/1991/003341A1 |
A pipe cutting and finishing machine has workpiece clamping means provided with changeable dies (20, 22) for accommodating workpieces of different diameters and a turret (30) axially aligned with and rotatable in frictional engagement wi...
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WO/1991/003794A1 |
A three-axis, computer controlled apparatus (10) for edging optical lenses maps the surfaces of a lens blank (L) along a path defining the shape of the lens to be cut from the lens blank and from which mapping a computer controlled cutti...
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WO/1991/002631A1 |
The device, for dressing the end of an elongate pipe of circular cross-section, comprises a blade (20) with a V-shaped notch (21), which has opposed angled scraping edges (21a, 21b) arranged to simultaneously chamfer the end wall surface...
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WO/1991/000790A1 |
The present invention relates to a clamping device for clamping a mandrel (28) to an elbow or pipe (18) as well as to a torque-reacting device between a power unit housing (14) and the mandrel. The torque reacting device has a pair of to...
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WO/1990/014198A1 |
A manual tool for preparing tube ends and/or pipe ends for jointure is provided, to perform the functions of scraping for cleaning, scarifying, deburring and abrading to remove grit and foreign matter such as solder, solder drops, chemic...
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WO/1990/013383A1 |
The present invention relates to a system for monitoring tension of a peeled strip (30) during threading of the strip (30) onto a coil wrapping assembly (58). Sensors (74) mounted on the coiler assembly (58) monitor strip tension during ...
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WO/1990/011859A1 |
Described is a process for machining workpieces to shape, in which, in order to produce, to a high degree of precision and surface finish, a workpiece surface with any curvature, the tool (3) and workpiece (1) are moved relative to each ...
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WO/1990/009252A1 |
Machining apparatus designed for working the outside surface of objects of an essentially round shape, e.g. pipes, from the direction of the periphery, e.g. to make them thinner or to cut them, said apparatus comprising a rim (1) revolvi...
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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), ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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)...
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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...
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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...
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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 ...
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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...
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