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Document Title |
JP2013164156A |
To provide a bolt capable of preventing fastening trouble due to rust.A hook bolt has a screw thread shape having flat parts 7 to increase space amounts 13 in fitting, on a side of a thread part of a round screw on which no load is impos...
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JP5262576B2 |
To provide a rest device for a thread groove grinder and the rest device to ensure high toughness against multidirectional forces and satisfactorily maintain a machined surface of a machine thread groove. In the rest device 15 to support...
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JP5262198B2 |
To provide a thread cutting working method capable of reducing displacement in a working facility and enhancing stability of working accuracy regarding a shape of a screw part. In the thread cutting working method, by performing a plural...
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JP5249707B2 |
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JP5241196B2 |
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JP5237834B2 |
In prior art, an additional radial inward movement that is performed in accordance with a rotating cam disk is imparted on the grinding disk in order to relief-grind the cutting teeth and the chamfer of taps and the cutting teeth of thre...
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JP5237659B2 |
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JP2013136129A |
To provide a tap collet that can degenerate a tap.The tap collet 50 constituted of a tap collet head part 1 attached to a tap holder body and a movable tap holding part 2, one end of which is fitted to the tap collet head part 1 and to t...
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JP2013129029A |
To provide a grinding spindle unit capable of transmitting large torque and high-speed rotation to a grinding wheel spindle and capable of setting an angle of inclination of the grinding wheel spindle freely.The grinding wheel spindle 10...
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JP2013116513A |
To provide cutting tap improving a tool service life by reducing edge chipping and chipping due to boundary wear.In a cutting tap, when a corner 6e at a rake face 6d side in a connection part 6c between a crest top 6a of the final crest ...
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JP5210470B2 |
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JP5202179B2 |
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JP2013091113A |
To provide a chaser and a screw thread cutting method for improving the quality of the finished surface of a screw.This chaser includes a screw cutting blade 4 of a plurality of projecting and trapezoidal shapes comprising at least a pai...
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JP5193767B2 |
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JP5192916B2 |
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JP5179556B2 |
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JP2013510730A |
A machine tool bit, such as a tool for drilling, milling, reaming or tapping or the like comprising a work portion (71) and a shank (73) extending from the work portion. The shank (73) is provided with one or more regions of reduced mech...
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JP2013056396A |
To mount an indexable chip in a surely abutted state on a pair of wall faces at a chip mounting recess, and to properly maintain the abutted state during screw machining.When mounting screws 30 and 32 are screwed into a body 12 in a stat...
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JP2013052461A |
To properly screw a plurality of fixing screws into a body so that an indexable tip can be securely fixed to the body even when a thread cutting tooth is an inclined tooth or a helical tooth.An indexable tip 14 is fixed to a body 12 by u...
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JP2013049103A |
To highly accurately detect torque applied to a machining tool during cutting operation to prevent breakage of the machining tool.A machining tool breakage-preventing device includes: a tool dynamometer 3 measuring torque applied to a ta...
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JP2013043265A |
To supply a pipe taper tap with which a tapered female screw thread having suitable depth can be threaded without using a thread gauge although the threading work to the suitable depth is hardly visualized by means of the conventional pi...
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JP2013039658A |
To provide a machine tool which does not need to move a machining unit.The upper surface of a workpiece W1 abuts against a workpiece pressing plate 216 as shown in Fig.(a). When a workpiece receiving plate 215 is raised, cushion units 22...
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JP3181703U |
To provide a chipless thread cutting tool for forming a female thread after trimming a pilot hole in advance. A holding portion 10 and a shank 20 are provided, and a bite portion 21 and a screw portion 22 are formed on a peripheral wall ...
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JP5150189B2 |
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JP2013022704A |
To provide a hand tap such that when a female screw is formed on a workpiece, a substantially columnar body is accurately inserted into a hole for female screw formation along a center axis of the hole for female screw formation, and the...
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JP5135090B2 |
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JP5118232B2 |
A controller (10) for a machine tool (18) for tapping by a main shaft and a feed shaft, comprising an identifier unit (12) for identifying an index of the size of the tap, a temperature detector unit (19b) for detecting the temperature o...
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JP5116980B2 |
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JP5112746B2 |
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JP5079274B2 |
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JP5060553B2 |
[PROBLEMS] With respect to a tap covered with hard coating, to even in tapping machining of mild steel, etc., facilitate curling of chips so as to inhibit any entanglement thereof, thereby attaining not only enhancement of tool life dura...
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JP5061292B2 |
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JP5061118B2 |
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JP5053561B2 |
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JP5049604B2 |
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JP5052399B2 |
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JP5031874B2 |
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JP5034378B2 |
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JP5021138B2 |
A nut having a clamping area and a drive area with a bore passing therethrough, the bore having a cylindrical internal threaded section that extends at least partially across the drive area and a conical internal threaded section that ex...
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JP5019378B2 |
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JP5004053B2 |
A cutting die head that can be set and/or reset without an external mechanism. To this end, the die head includes a die body including a plurality of radially adjustable blocks, each block having a cutter mounted thereon and a radially o...
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JP5004213B2 |
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JP5001545B2 |
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JP4996740B2 |
A thread forming tap having a complete thread portion, formed with a predetermined back taper with that decreases rotational torque during tapping work, which reduces load acting on first complete protruding portions, formed at an extrem...
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JP4996694B2 |
As shown in a development view of FIG. 2, spiral flutes 16a and 16c have a lead angle α different from a lead angle β of spiral flutes 16b and 16d adjacently placed circumferentially to allow the lead angle β of cutting edges 20a and ...
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JP4993705B2 |
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JP3177381U |
To provide a simple hand tool capable of quickly removing foreign substances such as paint and rust attached to a bolt even in a narrow place. A plurality of engaging surfaces engaged with a bolt in the longitudinal direction are axially...
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JP2012143841A |
To provide a female screw forming method that forms a female screw capable of improving the axial force of a male screw.The method forms the female screw 14 by rotating a machining tool 32 which is pressed to a workpiece 12. The machinin...
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JP2012139740A |
To provide a method for forming a female screw, which forms a female screw that improves axial force of a male screw.The method for forming a female screw, presses a machining tool 32 that includes: a hole forming part 100 formed in a ti...
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JP4977614B2 |
The replacement hip socket (17) has a thread on its outside. The inner surface of each thread (20 - 24) remains parallel to the lip of the socket while the angle of the outer edge increases with distance from the lip. An independent clai...
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