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WO/1997/017156A1 |
An apparatus for boring a web of shape steel, comprising a boring unit (24) squarely facing a web of cramped shape steel (19), and an arm plate (11) for supporting the boring unit (24). The apparatus is further provided with a fastening ...
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WO/1997/011807A2 |
The invention pertains to a special process and devices for the production preferably by machining of workpieces with non-circular outer and inner contours such as squares, hexagons, ellipses, polygons and the like, or eccentric circular...
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WO/1996/033043A1 |
A crankshaft is mounted in a fixture (30) which rotates the crankshaft about its longitudinal axis and which tilts the crankshaft about a horizontal axis to allow machining of holes such as oil holes at various rotational positions and a...
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WO/1996/030159A1 |
A cylinder liner (1) for a piston engine, such as a large two-stroke crosshead engine, has a running surface for the piston rings on the inner surface (7) of the liner. The cylinder liner has an internal diameter in the interval from 25 ...
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WO/1996/016762A1 |
Described is a precision drill (1), designed for drilling noncircular bores, which has a bit (3) on a shaft (2) plus a holder (6) for the workpiece being drilled, the aim being to provide a drill which can operate economically at high sp...
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WO/1996/007499A1 |
A method and machine for repairing overhead cam engine cylinder heads and the like. The method includes the steps of removing the caps from the bases of the bearing towers or housings, removing material from the legs of the caps to reduc...
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WO/1996/006701A1 |
In order to influence the course of deep hole drilling in a metal or non-metallic material, a thrust member (6), whose strength and position are variable, is arranged between the drill rod (2) driving the drill (1) or between the drill (...
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WO/1996/005106A1 |
A fluid recovery system (10) and method for accessing the contents of a target container (14). A preferred embodiment of the fluid recovery system (10) includes an auxiliary processing vessel (151) for housing a container (14) to be acce...
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WO/1995/034397A1 |
A drilling tool for ejector drilling comprises tangentially located cemented carbide cutting inserts (10A, 10B, 10C), preferably three. This simplifies the making of the insert pockets quite considerably. Further, the semi-circle formed ...
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WO/1995/034398A1 |
A drill primarily intended for ejector drilling is made of one single piece, in order to avoid unroundness that arises when welding and to avoid weld joint gaps in which a chip may easily get wedged. Moreover, the drill is provided with ...
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WO/1995/033591A1 |
The invention relates to a method and an apparatus for making an elongated hole in a pipe (P) by means of a rotating conical drill (1). The elongation of a hole is accomplished such that, during the course of drilling, the conical drill ...
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WO/1995/016542A1 |
An apparatus for cutting a hole through a curved wall of a structure (1) such as a pipe. A cutting tool drive assembly supports a cutting tool (21) so that the cutting tool (21) is rotatable about a predetermined cutting axis (22) which ...
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WO/1995/005260A1 |
A system for drilling through contiguous first and second plate members (24, 26) such that the formation of burrs at their interface is avoided. A pilot hole (136) is drilled through the first plate member (24) and the plate members are ...
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WO/1994/027907A1 |
A drill assembly (44) for penetrating a wall (43) of a container (14). The container (14) is supported by a platform (28) within a recovery vessel (19). The drilling assembly (44) includes a tube (88) for lining a first opening (42) into...
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WO/1994/021409A2 |
A threaded hole may be formed in a lid of an underground petrol tank without emptying the tank or removing the lid, using a tool (Figure 3) having a taper tap section (61), an intermediate tap section (62) and a final tap section (63). A...
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WO/1994/017944A1 |
The invention relates to a hand machine tool for the making of holes in an object (1) made of composite fibres, preferably with curved surface. The centre axis (7) of the hole (7) passes through a predetermined point on the surface of th...
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WO/1994/007634A1 |
A tapping assembly (14) comprising a main valve (16) for selectively opening and closing a valve passageway (28), a support (20) for holding the main valve (16) adjacent a unit (10) to be tapped, a drill (40) for piercing a wall of that ...
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WO/1993/025759A1 |
A machine for making a hole in a railway rail in which a main body case (1) is clamped to a railway rail in a widthwise direction by means of a clamping means comprising a catch frame (6) and a clamping arm (7), and in which a cutter (2)...
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WO/1993/005334A1 |
The process uses a remote-control robot (1) with a video-monitored working head (2). The part to be opened or repaired is cut out, or a pig is placed and inflated so as to be clamped in the pipe at the part to be sealed. The process is m...
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WO/1992/014572A1 |
An arrangement for driving a rotary tool (17) is provided in which the tool shank (18) is engaged and frictionally driven by the engagement of three or more drive rollers (14, 15, 16). Axial movement of the tool (17) is accomplished by t...
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WO/1992/014346A2 |
The invention provides an entry board for use adjacent a printed circuit board during drilling therethrough comprising a drill lubricant distributed over the entry board. The board may comprise two or more separable laminar components (A...
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WO/1992/010330A2 |
The invention concerns a special device for producing by machining a multiplicity of shaped bores or shaped external surfaces, such as squares, hexagons, ellipses, polygons. This is done by superimposing a forced radial motion, produced ...
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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/1991/012105A1 |
Mobile drilling-units, drilling machine or drilling installation which can be moved or positioned in relation to the material as profile steel and plate with the use of a location measuring system for the material to be drilled and with ...
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WO/1991/008073A1 |
This invention relates to a board holder in a printed board boring machine and the holder has the following construction: upper board holders (33, 41, 45, 52, 56) whose tip surfaces project from the contact surface with a printed board (...
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WO/1989/004938A1 |
The invention relates to a method and means for connecting a branch conduit to an existing conduit (9) through a valve (1, 2), the valve being connected to the conduit in such a way that its flow channel (8) being directed tangentially t...
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WO/1989/003269A1 |
A surfacing machine mountable within a bore of a workpiece includes a tubular turning bar (120) supported by chucks (126, 128) engaging the workpiece and having independently adjustable legs (130) and a bearing arrangement which permits ...
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WO/1988/009236A1 |
A plate working machine comprising a metal plate supporting table (1), a pair of rails (2, 3) extending along the sides of the table (1), a driven support means (4) for travel along the rails (2, 3), said support means comprising a space...
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WO/1988/007919A1 |
For the purpose of repairing or reinforcing a pipe (31) which is mostly buried underground, such as a gas pipe, a water pipe or a sewer pipe, a cylindrical lining material (30) is applied to the inner surface thereof. This invention rela...
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WO/1988/006070A1 |
An undercutting drill for obtaining a drill hole (5) with conical undercut (4) has a drill shaft (6) connected in an articulated manner through a housing (8) containing a universal joint to a clamping shank (14), the face of the housing ...
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WO/1988/003743A1 |
A dual purpose separator-release plate (30) for the use in the lamination and drilling of printed circuit boards, comprising a substrate sheet of aluminum foil (32), covered on both sides with release material (34), the plates being plac...
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WO/1985/003466A1 |
A pair of support members (44) and a pair of drilling units (16) are mounted for reciprocal movement along a carriage. The support members secure to latch bolts (30) on an elongated surface (22) to be drilled. The drill units move along ...
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WO/1983/003457A1 |
A remotely controllable travelling robot for operation inside a pipe or bore-hole has a tool mounting assembly (22) which is rotatable in support structure (14, 16) about a longitudinal axis. The support structure (14, 16) is mounted on ...
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WO/1983/002739A1 |
A machine tool system having an adjustable implement (10) mounted in a holder or chuck (12) and moveably positioned relative to a moveable workpiece support (16), wherein implement adjustments are produced by controlled differential moti...
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WO/1983/001918A1 |
A rotatable shell cutter (10) has a cylindrical member (25) which advances to cut into a pipe. A plurality of cutting elements (51) are arranged in a circle at one end of the cylinder. Each cutting assembly comprises a cartridge (40) fix...
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WO/1983/001589A1 |
Method and apparatus for machining, especially boring, of machine parts (22), for example for forestry machines, power shovels etc. When certain types of damages, for example on hinges, shaft journals etc. occur on, for example, forestry...
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WO/1980/002522A1 |
The guiding carriage (20) comprising a cutting oil supply pipe is driven by the feed device until it comes to a standstill against the face of the workpiece opposite to the puppet head (12) while the bit-holder carriage (25) travels by m...
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JP7483524B2 |
To provide a cutting tool which can cut a work-piece having a plurality of holes without use of a jig and so on, and a cutting method thereof.This cutting tool, which extends in a longer direction, has one or more cutting blades provided...
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JP7482723B2 |
To provide a tool holder and a machine tool that allow deep hole processing to be carried out with high accuracy at an arbitrary inclination angle from a surface of a workpiece.A tool holder 10 includes: a fixed case 11 connectable to a ...
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JP2024049748A |
An object of the present invention is to provide a buried pipe window opening tool that opens a window on the side surface of a buried pipe without damaging a cable. A buried pipe window opening tool 1 has a cylindrical part 2 at one end...
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JP2024043065A |
An object of the present invention is to prevent defective rotation of the rotating member due to chips accumulated in the gap between the lower surface of the pressure foot and the rotating member in a drilling device having a rotating ...
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JP7453710B1 |
[Problem] To provide a free-angle steel plate drilling method and device that can perform drilling work in a drainage basin easily and economically, without requiring any skill, with excellent safety and workability, and depending on the...
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JP7450643B2 |
A method for detecting whether a slip clutch release event has taken place in a power tool includes determining a first speed of a gear device by a first sensor, determining a second speed of a motor by a second sensor, and determining a...
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JP7448185B2 |
A cutting tool for boring (40) that is attached to a machining apparatus and used for cutting a hole (13) on a large-diameter side of a stepped hole of a workpiece (10) is provided. The cutting tool for boring (40) is a set of two tools,...
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JP7446626B2 |
To provide a bottom expansion tool capable of stabilizing the final processing diameter of an expanded diameter part and the axial position from a bottom end.A bottom expansion tool TE1 comprises: an installation part 10 installed in a r...
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JP2024030401A |
An object of the present invention is to provide a disassembly device for a metal cage bearing that has high durability and allows easy rivet alignment. [Solution] The metal cage bearing disassembly device 100 according to the present in...
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JP7430065B2 |
To provide a pipe holding jig in which an inside of pipe can be closed with filler while preventing leakage of harmful substance inside the pipe.A pipe holding jig 3 used for closing a pipe T with filler includes a lower die 20 and an up...
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JP2024013940A |
[Problem] To provide a backup board in which paper does not easily peel off no matter which direction the adhesive tape is peeled off. [Solution] Two or more paper base materials, an adhesive layer made of a water-soluble adhesive that a...
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JP2024014415A |
An object of the present invention is to provide a method for forming through holes in a plurality of copper-clad laminates by penetrating the copper-clad laminates with a minute-diameter drill without breaking the drill. [Solution] A pl...
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JP2024001674A |
The present invention provides a buckling correction machine that efficiently corrects a buckled seat surface accurately, quickly, and safely. [Solution] A buckling correction machine that corrects a seating surface around the hole, whic...
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