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Patent Searching and Data


Matches 601 - 650 out of 1,345

Document Document Title
JP2009509788A
The tool has a tool head e.g. reamer head (3), with tool cutting edges (15) that are made from a material of the tool head. Tool shanks have a clamping section (4) that retains into a tool retainer. The tool head is mounted at the tool s...  
JP2009034740A
To provide a reamer tool having improved machinability for reducing the surface roughness of a machined surface.The reamer tool comprises a first machining part 11, and a second machining part 12. The first machining part 11 has such a t...  
JP4227745B2
A reaming tool is capable of reaming out several axially interspaced borings of a workpiece. The reaming tool includes a guide shank that can be clamped into a machine spindle and which can be supported in prepared borings of the workpie...  
JP4226080B2
A cutter insert for a tool for the finish machining by chip removal of bore surfaces in workpieces is proposed, the cutter insert being inserted in a recess introduced into the peripheral surface of the tool and being held by means of at...  
JP4205333B2
A tool for machining bore surfaces having at least four cutting edges in respective pairs, one pair of cutting edges are arranged so as to be offset from one another as viewed in the axial direction of the tool, one pair may be diametric...  
JP2008264979A
To carry out rough working being a prepared hole working with one tool, and to further improve roundness of a hole formed on a workpiece.This rotary cutting tool for drilling satisfies all following conditions: (1) a body has a flute par...  
JP2008254154A
To provide an insert-detachable type taper machining tool, which can prevent reduction of its strength and insert-mounting rigidity in spite of a small taper reference diameter of a cutting edge at the tip end of a tool body while securi...  
JP2008183648A
To provide a reamer capable of simply and accurately performing post-processing and finishing of a small diameter hole without requesting an operator's level of skill.The reamer has a tapered part and one V-shape groove 11 carved along a...  
JP2008178937A
To provide a rotary tool capable of restraining ununiformity of abrasive grain burying quantity in an abrasive grain layer and a manufacturing method of the rotary tool.A reamer 1 is furnished with a super abrasive grain layer 5 constitu...  
JP4126280B2
To provide a fine-particulate cemented carbide which contains Ta and/or Nb so as to obtain the effect of inhibiting grain growth, and has a small average diameter of WC particles, adequate hardness, high toughness, superior breakage resi...  
JP4123332B2
The peeling head (9) contains at least three radially floating peeling blades (10), which are spaced at equal angles around the central axis (16') of the peeling head. Each blade has at least one cutter (3,3'), where at least three cutte...  
JP2008119813A
To provide a lapping reamer which loses no diameter-adjustable reamer function and inhibits diamonds from being wasted in an undesired site by solving the problem with a conventional reamer wherein diamonds (including borazons) are depos...  
JP2008114327A
To provide a reaming tool capable of reducing operation costs, and a reusing method for the reaming tool.The reaming tool 1 is provided with a body section 2 and a plurality of blade sections 3a-3d. In the body section 2, a plurality of ...  
JP2008512260A
A metal cutting tool is provided with at least one cutting insert mounted in an insert pocket in communication with an adjusting mechanism, the cutting insert comprising at least one insert adjusting slot extending between two opposing m...  
JP2008068397A
To provide a cutting tool which allows a plurality of cutting inserts to be mounted per a unit length without reducing a tool performance for forming and discharging chips, and also to provide cutting inserts.The cutting tool includes: a...  
JP4058608B2  
JP2008501541A
Endodontic instruments, including files, reamers, and condensers, that lack margins or radial lands. The instruments include at least one edge that does not provide significant tissue-cutting action and at least one cutting edge. The eli...  
JP2007331092A
To provide a drill bit for a printed wiring board for drilling a hole on a plurality of laminated printed wiring boards in only one drilling process and to improve roughness of an inner face of the drilled hole. This drill bit for drilli...  
JP2007320021A
To provide a reaming tool which improves a dynamic balance and rigidity of a tool body, simply and precisely makes a position adjustment of an insert, and forms a reamed hole having a high roundness with a precise dimension. A recess and...  
JP2007260887A
To provide a composite working tool constituting the composite working tool so as to be replaceable with an automatic tool without becoming expensive more than a conventional tool, and developed for both an exclusive machine tool and a m...  
JP3968988B2
To easily and accurately adjust a position of a tip. A pressed surface 42 substantially orthogonal to the axial line of a tool body 32 is formed on the tool base end side of a tip 34 mounted on a tip mounting seat 33 of the tool body 32....  
JP3969000B2
To improve machining accuracy. The outer periphery of a tool body 2 having a substantially column-shaped outline projecting the cutting edge on the outer periphery of its tip is provided with a plurality of pads 11 extending in substanti...  
JP3924012B2
PURPOSE: To provide a rotating shank-type tool which is easy in production and excellent in strength. CONSTITUTION: A rotating shank-type tool 11 comprises a mold cutting head 13 which is connected to a shank 12 and has a chip groove 15 ...  
JP2007130739A
To provide a boring tool capable of forming a machined hole having a small dimensional tolerance by adjusting a radial position of a cutting-blade tool body, and also, capable of simply and accurately executing positional adjustment of a...  
JP3919241B2
PURPOSE: To provide a reamer having initial abrasion less than the abrasion occurring later. CONSTITUTION: This reamer is provided with at least one cutter plate and two guide strip pieces provided on the cutter plate. The cutter plate i...  
JP3915349B2
To provide a reamer capable of preventing damage to a bush supporting a tool main unit by a joint between pad members of a guide pad and a worked prepared hole of a workpiece. In this reamer, formed by providing a cutting blade 5 protrud...  
JP2007111779A
To provide a drilling tool, in which the position of a blade in the diametric direction of a tool main body and its protruding quantity toward the tip of the tool main body can be simply and precisely adjusted, and a drilled hole can be ...  
JP3912771B2
To prevent the change of a reamer diameter when making a back taper adjustment in providing a throwaway reamer with a fine adjustment mechanism for the reamer diameter and back taper. A receiving part 7 counterbored in sector shape is fo...  
JP3911934B2
To extend a life of a tool main unit by suppressing deterioration of worked hole accuracy caused by abrasion of a pad without deteriorating economical efficiency. A cutting blade 18 protruded to an external peripheral side is provided in...  
JP3912539B2
To provide a self guide reamer which can improve lubricating properties of a guide pad, can reduce the roughness of the working face, and can improve the roundness and the concentricity of a working hole. The self guide reamer 1 has a to...  
JP3902594B2
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 seat of the base with an axially projec...  
JP2007508156A
The tool has a machining section and a cylindrical shaft, in which an internal coolant and a lubricant duct (468) with an orifice are formed. The shaft has a clamping section and a side of a support section for an attachment to a connect...  
JP3899309B2
To provide a tool that can finish a precision processing surface excellently in terms of time and economy. A tool 1 for precision processing of work is equipped with at least two cuttor plates 5 and 7, each of which possesses at least on...  
JP2007506563A
The invention relates to a boring head ( 100 ), comprising at least one guide element ( 140 ), arranged on the periphery thereof, and at least one cutting insert ( 150 ), also arranged on the periphery, whereby the guide elements ( 140 )...  
JP2007061963A
To lessen a load on a reamer boring worker and to improve work efficiency.This boring tool includes: a cylindrical body 2 abutting on a working surface W; a guide member 17 fitted and engaged with the outer periphery to cover the base en...  
JP3892382B2
To provide a cheap hand-cranked diameter adjustable reamer for the repair of an engine valve seat, etc. with excellent user-friendliness, which has common usability for a discrete valve seat different in size or shape and also can easily...  
JP2007504959A
A tool for fine machining of work pieces involving metal removal is proposed having at least one cutter ( 13 ) for preliminary machining with a geometrically defined cutting edge ( 15 ) and having at least one cutter ( 21 ) for final mac...  
JP2007050496A
To prevent unbalanced application of radial forces to a ring which has diamond grains electrodeposited on its external periphery and has a slit.The ring has the diamond grains electrodeposited on its external periphery and the slit. A to...  
JP2007044833A
To provide a rotary cutting tool capable of crushing chips extremely fine.A super hard tip 18 made of a super hard material is provided on a distal end part of the rotary cutting tool 10. The super hard tip 18 has a cutting blade 20, a f...  
JP2007044846A
To provide a cutting tool on which a hard member is easily fastened without causing deformation on a tool main body.The hard member 10 is fastened on the tool main body 2 by using thermosetting type adhesive resin in the cutting tool 1 c...  
JP2007038387A
To perform boring of a lathe, by use of a cutting tool holder for turning.A throw-away tip mounted on a cutting tool holder is provided with a fitting part 2 removably fixed to a tip seat provided on the cutting tool holder by a clamping...  
JP2007038365A
To provide a rotary tool with a pilot, improving the dimensional accuracy, roundness and cylindricity of a prepared hole, and shortening the process and machining time.In this rotary tool 10 with a pilot, a pilot 16 is provided on the ti...  
JP2007021646A
To provide a reamer suitable for machining a large hole used for a valve body or an oil pump at high speed rotation, at high feed and with high accuracy.This tip holder exchange type drilling tool is a tip holder exchange type reamer inc...  
JP3875092B2
To process the internal circumference of a hole more smoothly than before through the use of a reamer. A surface 134, which functions as the flank of a tip 64, is formed in an outwardly facing position along a partial, convex cylindrical...  
JP3876577B2
To provide a throwaway reamer preventing generation of damage in a prepared hole by a cutting blade in the case the reamer is extracted from the prepared hole finish worked in a workpiece. In this throwaway reamer, providing a throwaway ...  
JP2006341371A
To solve the problems of the conventional manual reamer, wherein although the reamer is often used for quickly enlarging the bore diameter or connecting two or more holes to form a large hole rather than obtaining a high-accuracy bore sh...  
JP3861056B2
A machining surface of a machining tool such as a drill is composed of a metal-rich section. A ceramics-rich section is formed centrally in the drill. Further, a gradient section is provided between the ceramics-rich section and the meta...  
JP3858988B2
To provide a machining tool, which can carry out machining while supplying a required machining fluid to a place requiring the fluid without lowering its stiffness, and thus can elongate its service life. A reamer 1 is provided with an o...  
JP3850345B2
To precisely finish a circular hole 2 of a workpiece 1 by preventing a reamer 3 from clogging, and to reduce the machining cost. The finishing of the circular hole 2 is performed with the reamer 3 while oscillating the workpiece 1 at a h...  
JP3847016B2
To provide a reamer for finishing a circular hole with a high roundness and a good surface roughness. A main groove 20 extending in the axial direction is formed on the outer peripheral surface of the body 12 of a reamer 10. A coolant bl...  

Matches 601 - 650 out of 1,345