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7614326 |
Method for indexing a rotating tool and a tool for machining
A method of indexing a rotating cutting tool, and a tool for machining. The tool includes a body, and one or more cutting parts, that can be moved relative to the body at least into a first...
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7572088 |
Deep hole boring head and deep hole boring method for boring a production piece
A deep hole boring head is provided which is capable of rotating about a central axis, a body whose front part has at least one cutting edge followed by a recess which leads to a duct inside the...
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7563062 |
Milling head
A milling head has a body, a holding device, a driving axle, a spraying device and a tool adaptor. The body has a base, a rear cover, a front cover, a bearing seat and a middle liner ring. The...
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7556458 |
Tool for machine tools
A tool includes a shaft and a blade support which is disposed in a removable manner on the face of the shaft, preferably embodied as a drill bit. One end of the blade support is provided with a...
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7537422 |
Cutting tool and adaptor
An adaptor ( 20, 76, 104, 106 ) secures a cutting head ( 16 ) to a tool holder ( 12, 14 ) having a passage for fluid. The adaptor ( 20, 76, 104, 106 ) has a corresponding passage ( 68, 94 ) for...
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7476067 |
Drill bit
A drill bit having a shank portion and a cutting portion, which cutting portion generally has at least one cutting edge and a chip flute that has a helical portion. The drill bit has at least one...
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7476066 |
Drilling device provided with a multi-bladed drilling tool, especially a deep drilling tool
The invention relates to a multi-bladed deep drilling tool ( 17 ) comprising a cooling lubricant channel ( 19, 20 ) provided for each chip space ( 74 ) allocated to each cutter ( 71 ). Said...
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7431543 |
Machine reamer
A machine reamer has a base and a reamer head configured as a one-piece indexable insert that axially projects beyond the front of the base. The indexable insert can be introduced in a front insert...
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7422396 |
Drill having construction suitable for enlarging previously formed hole
A drill which includes a cylindrical main body and a shank contiguous to each other, and which is to be rotated about an axis of the cylindrical main body in a predetermined rotating direction, for...
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7422219 |
Interface of a tool
An interface of a tool is proposed with a first part serving as a seat having a female taper, which part has a first conduit section located concentrically to its center axis, a second part having...
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7393162 |
Gun drill
A gun-drill comprises a cutting-head detachably secured to a shank, having a common longitudinal axis and comprising mating peripheral surfaces. A shank coupling portion comprises a forwardly...
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7374374 |
Tool for chip removal
A tool for chip removing machining has an axial channel, the tool being a one-piece unit, the tool having a first end and a second end, the first end comprising cutting edges, the second end...
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7371034 |
Drilling attachment
A drilling attachment for use in wet and dry drilling operations includes a housing having first and second fluid conduits, and a drive shaft mounted within the housing and having fluid...
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7326009 |
Edge-carrying drill body having an internal chip-removal channel
An edge-carrying drill body intended for deep hole drilling, is rotatable around a central geometric axis and comprises a through-channel arranged for internal chip evacuation. The channel mouths...
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7322778 |
Tool with selectively-biased member
A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate....
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7311479 |
Rotatable tool and a blank
The present invention relates to a tool as well as a blank for manufacturing of the tool. The tool is made of solid cemented carbide and includes a shank for mounting in a rotatable spindle and...
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7306238 |
Collet and lock nut
An assembly generally comprises a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the cutting tool shank. The collet has a nose and the...
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7252155 |
Percussive power tool with flushing head
A power tool ( 1 ) having a striking means ( 5 ), by which a percussive tool ( 2 ) that can be driven at least partially along an axis (A) struck directly and having a flushing bore ( 4 ) extending...
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7244080 |
Quick-change insert for tools, especially for thread drills
The present invention relates to a quick-change insert ( 10 ) for tools ( 11 ), in particular thread drills ( 12 ), for minimal lubrication, that is designed for detachable installation in a chuck...
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7226254 |
Rod-shaped tool for machining a workpiece
The invention relates to a rod-shaped tool made of sintered material that is used to machine a workpiece. Said tool comprises a rod center axis ( 1 ), a shaft area ( 6 ) and a chip space area ( 5 )...
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7214012 |
Multi-shaft spindle head of machine tool
A multi-shaft spindle head, wherein a plurality of spindles ( 11 ) having tools at the tips thereof are disposed in the same direction, the rear ends of cutting fluid feed passages ( 21 a ) formed...
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7207755 |
Tool arrangement and tool for chip removal
In a cutting tool arrangement and a tool for chip removing machining, the cutting tool arrangement comprises a tool, fastening arrangement, and a shank. The tool is a one-piece unit. The axial...
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7207752 |
Reamer and method for reaming
The present invention discloses a reamer ( 20 ) and a method for reaming, for enlarging a pre-existing hole in a workpiece by rotational and axial cutting. The reamer ( 20 ) includes a body ( 24 )...
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7201543 |
Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
A twist drill and method for producing is provided. The cutting edge structure has a first portion at the drill tip portion and a second portion disposed away from the drill tip portion. The flute...
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7195428 |
Gundrill
A method of forming deep holes and a gundrill therefore is disclosed. The gundrill has an elongate tubular shank and a cutting tip, each provided with a tubular central region supplying pressurized...
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7182556 |
Drill and throwaway insert
A drill improving the aligning accuracy of an insert and achieves a stable machining operation while maintaining the strength of the drill main body. The drill includes a drill main body rotatable...
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7156589 |
Tool holder of machine tool
A tool holder of a machine tool, wherein a holder rear end part is fixed to the front end part of the spindle of the machine tool, a tool receiving surface part ( 8 d ) for receiving the rear end...
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7147411 |
Gundrill
A method of forming deep holes and a gundrill therefore is disclosed. The gundrill has an elongate tubular shank and a cutting tip, each provided with a tubular central region supplying pressurized...
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7134813 |
Cooling channel geometry
A drilling tool comprising at least one machined groove and at least one web which extend from a tip of the tool to the shank of the tool. A main cutting edge and an inner cooling channel are...
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7131795 |
Tool device, and method for drilling
A tool, a device, and a method for drilling capable of very easily forming a hole part in a drilled matter by extremely smoothly discharging chips produced at drilled positions so as to maintain an...
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7131790 |
Boring and conduit/pipe system
An extension rod has an interior end and an exterior end. The exterior end is formed with male screw threads. A primary bit has a cylindrical interior end and a conical exterior. Female threads at...
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7090448 |
Tool holder assembly
A tool holder assembly for a cutting tool. The tool holder assembly includes a tool holder, a locating member, and a spring. The spring is configured to bias the locating member to engage the...
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7090445 |
Tool with selectively-biased member
A tool for working a workpiece has a slot provided between a pair of extremities at its distal end. The extremities have cutting blades mounted thereon. The slot is configured to receive a plate....
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7083367 |
Adaptor device for holding a blade
An adapter device is disclosed for holding a blade having a first and a second side onto a distal end of a holder of a spade drill. The adapter device includes a body of generally cylindrical...
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7073988 |
Threaded tool with coolant supply
A threading tool for generating a thread in a workpiece, includes a threading part which defines a longitudinal axis. A cooling channel extends inside of the threading part along the axis to a...
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7070371 |
Chamfering air tool
A chamfering air tool includes a driving shaft in a casing rotated by air pressure, a rotary shaft perpendicularly combined to the driving shaft for rotation, and a cutter fixed to the rotary...
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7048481 |
Cutting fluid device for a spindle of a machine tool
A spindle device of a machine tool, which can prevent the liquefaction of atomized cutting fluid in atomized cutting fluid passage downstream of a straightening unit 14, enhance a responsiveness...
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7025544 |
Machine tool and lubricant jetting state detector for machine tool
A machine tool capable of jetting atomized lubricant (h) forward from the tip of a cutter ( 17 ), characterized by comprising a lubricant jetting state detector for detecting the jetting state of...
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7004691 |
Deep hole cutter
A deep hole cutter for a gun drill system includes a tool shank and a cutting head with two or more cutting edges. The tool shank and the cutting head are separate members connected strongly by...
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6997652 |
Device for producing deep-hole borings in workpieces having a convex surface
The drill bit ( 14 ) passes through a drilling bush ( 2 ) for guiding said drill bit. The drilling bush ( 22 ) is pressed against the workpiece ( 10 ). However, the drilling bush does not terminate...
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6981825 |
Multispindle machine tool and method of optimizing lubricant mist flow for each spindle of multispindle machine tool
A multispindle machine tool, characterized in that outside cylindrical members ( 19 ) having a plurality of spindles ( 2 ) and fixed to a support frame ( 3 b ) are inserted into the center holes (...
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6948890 |
Drill having internal chip channel and internal flush channel
A drill for chip removing machining includes a front cutting end, a rear securing portion, and a shank extending therebetween. The cutting end includes at least one cutting edge. The drill has at...
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6926478 |
Spindle device of machine tool
A spindle device of a machine tool capable of stably injecting atomized cutting fluid from the tip of a tool device 13 when a variation in fluidity of the atomized cutting fluid occurs...
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6905294 |
Main shaft device for machine tools
The wasting of cutting fluid mists and contamination of a machining environment with cutting fluid mists are prevented by feeding optimum amounts of cutting fluid mists in a variety of machining...
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6902355 |
Junction
A junction is proposed between two tool parts, where a first tool part has a recess in hollow cone shape, and a second tool part has a cone-shaped projection that can be inserted into the recess....
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6896450 |
Machine reamer and reaming head for a machine reamer
The invention relates to a machine reamer, with a shaft-like base body ( 10 ) and a reaming head ( 12 ), projecting axially from the front face of the base body. According to the invention, the...
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6821061 |
Three-edged drill for chip forming machining
A drill for chip forming metalworking includes three cutting edge structures spaced circumferentially apart. Each cutting edge structure includes a radially outer cutting edge and a radially inner...
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6808342 |
Tool
Proposed is a tool with a tool insert ( 53 ) for machining workpieces, comprising a collet ( 2 ), designed for manual interchange of tools and for securing in position the tool insert ( 53 ) in a...
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6792735 |
Advanced processes for coring and grouting masonry
Advanced masonry coring systems for coring and grouting masonry walls are disclosed in this patent. The systems include rotating machinery and a drill column in the form of a cylindrical...
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6698981 |
Drill bit with three cutting edges
A drill has first, second and third teeth each tooth having a cutting edge at its front end. The cutting edge of the first tooth extends all the way to a center axis of the drill; the cutting edges...
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