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Match
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Document |
Document Title |
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8157488 |
Rotating shaft tool
Shaft tool with an adjustable cutting diameter, which permits improved handling. A rotating shaft tool, in particular a multi-stage reamer, with a first shaft part, equipped with a first cutting...
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8123442 |
Expandable multi-flute reamer with tapered pin
An expandable reamer includes a shank portion, a cutting portion extending from the shank portion, and a tapered pin capable of being at least partially received in the cutting portion. The cutting...
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8066457 |
Machine tool
The invention relates to a machine tool, particularly a machine reamer, comprising a shaft-type base and a replaceable cutter head which frontally protrudes from the base. An axially protruding...
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8021087 |
Tool holder assembly for multifunction machine and adapter for the same
Tool holder assembly (TH) for multifunctional machining, such as drilling, boring, facing, and turning, eliminate interference between facing and turning, and secure an adequate chip groove space...
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7997836 |
Indexable type cutting tool
An indexable type cutting tool includes a drill having a shank and a drill body which extends from the shank, the drill body being defined with body flutes, and being formed with an insert seat...
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7901163 |
Gun drill
A gun drill having excellent cutting efficiency, having high deep-hole drilling efficiency, and having a prolonged blade service life has a cutter head having a coolant discharge port communicating...
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7806635 |
Method and apparatus for producing a shaped bore
A tool for working a workpiece comprises an elongate member and a cam member. The elongate member comprises at least two extremities comprising at least one blade member. The at least two...
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7771145 |
Method and apparatus for machining deep hole
There is provided a method for machining a deep hole, which enables prevention of scattering of a coolant and efficient discharge of shavings. The deep hole machining method includes: feeding a...
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7762748 |
Drill
A plurality of cutting oil feed holes extend from the proximal side towards the distal side are provided in a drill body located on a reference line that extends towards a circumferential central...
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7740426 |
Deep-hole drill having back-tapered web
A drill having a web which is provided by a central portion of a cylindrical main body of the drill and which includes a back-tapered portion and a constant-thickness portion. The cylindrical main...
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7717652 |
Tool with selectively-biased member having an adjustment feature
A tool 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. The tool has a conduit...
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7703552 |
Water treatment pad for core drill
A water treatment pad for core drill, attached on a drilling surface in performing drilling work while supplying cutting water with a core drill, wherein the water treatment pad for core drill...
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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 fluid to...
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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 channels...
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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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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 at...
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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 (30)...
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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 (21a) formed as...
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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 (8d) for receiving the rear end face...
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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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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 to...
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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 the...
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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 flush...
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