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Patent Searching and Data


Matches 1,051 - 1,100 out of 1,372

Document Document Title
JP02250757
PURPOSE: To easily grind the chamfered section of a drill having a chamfered edge with a universal tool grinder by providing a stoppable/releasable stopper mechanism stopping the relative rotation between an intermediate sleeve and a hou...  
JP02243255
PURPOSE: To prevent a grinding unevenness by forming a structure reciprocating a grindstone abutting on the cutting edge of a cutter inserted from a slit in the main face direction of the cutter by a reciprocation driving device. CONSTIT...  
JP02237750
PURPOSE: To increase operability and to perform an edge grinding work smoothly and precisely by providing a turning handle for closing a pinching arm, and performing the holding and release of a small diameter drill. CONSTITUTION: A turn...  
JP02224976
PURPOSE: To reduce the clogging and deformed friction loss of an inner peripheral cutter caused by the cutting of a semiconductor single crystal bar, etc. by using iron powder for the chief ingredient of a bonding agent which is fixed to...  
JP02224956
PURPOSE: To form a smooth surface blade on household and business use knife, by setting a kitchen knife sharpener so that it can provide uniform good grinding application over the entire length of the blade of the knife and a gradient gr...  
JP02218542
PURPOSE: To polish various kinds of works by equipping a holding device holding the work which is polished by one part of the grindstones of a double head grinder and the work holding device by the other part of the grindstone freely det...  
JP02212055
PURPOSE: To perform regrinding inexpensively by making the moving amount in the axial direction of an end mill which is obtained by rotating a dummy and bringing the detection part of a profile device into contact with the lead as the fe...  
JP02190237
PURPOSE: To precisely determine an angular position by producing a shaded zone determined by a characteristic amount fluctuating with a rotary angle by shutting off a beam by a part of a workpiece in a zone and rotating the workpiece unt...  
JP02185354
PURPOSE: To perform a candle grinding quickly and simply, by polishing the tip of the edge of a drill by abutting to a ground angular part so that the circumferential part of a grindstone and the side face part become at an obtuse angle....  
JP02185355
PURPOSE: To enable to restore the sharpness of an edge tip and to reduce the need for changing a rotary blade, by rotating in opposition a rotary blade for a fixed time by a motor by coating a paste like abrasive on the surface of a poro...  
JP02180548
PURPOSE: To tighten a bar-shaped cutter in a scope of a face to be ground more firmly than in the other end by forming one claw to be more elastic than the other claw. CONSTITUTION: A bar-shaped cutter 32 to be ground is pressed against ...  
JP02160461
PURPOSE: To grind a blade surface to excellent quality by putting a grinding member abutted on a blade in a track motion, and giving a track motion of approximately ≤25 mm in track length per rotation and of ≤244 m/minute in speed to...  
JP02160462
PURPOSE: To easily provide a blade of excellent sharpness by providing a guide device opposite to a surface of an abrasive member in track motion, and providing a second abrasive part guide device in a housing opposite to an outer surfac...  
JP02160466
PURPOSE: To manually and easily regulate a grinding pin at the prescribed position by providing a journal device on parallel arm pairs to be interlocked with a piston cylinder to which the grinding pressure is supplied in the vertical di...  
JP02132350
PURPOSE: To predict the life of a diamond tool and to perform machining of good surface accuracy by detecting the light emission color, brightness, and light emission pattern of a spark and specifying the components and the amount of imp...  
JP02109669
PURPOSE: To execute a flank grinding and X shape web thinning grinding in good state simultaneously by performing by synchronizing the grindstone turning operation of a grindstone turning plate and a drill delivery operation. CONSTITUTIO...  
JP02088119
PURPOSE: To shorten a moderate cutting distance by cutting an Al-11% Si alloy in the beginning of cutting and suitably wearing a tool without generating abnormal wear, when the diamond tool is used for mirror cutting a soft metal of Al a...  
JP02048176
PURPOSE: To evenly and sharply finish the edge part of a cooling knife chip by bonding an abrasive paper sheet to the upper face of a sponge to give the cushioning characteristics to the abrasive surface. CONSTITUTION: A rectangular abra...  
JP02036057
PURPOSE: To optionally set the projecting position of a rotary grindstone for a frame and to execute honing of the knife edge of an industrial cutting tool safely and surely by providing in plural pieces a rotary grindstone freely movabl...  
JP02036056
PURPOSE: To grind a diamond carbide tool stock with good efficiency by utilizing the chemical reaction of Fe and C by matching to machine grinding. CONSTITUTION: The diamond carbide tool stock 1 fitted to a drill, etc. by brazing the com...  
JP02015908
PURPOSE: To improve the cutting performance of the center part of a drill by forming the central cutting edge and the external cutting edge contained therefrom in the point symmetry with each other with respect to the end part of the dri...  
JP01321153
PURPOSE: To improve heat resistance, moisture resistance, and durability by binding abrasive grain with acryl-denaturated phenol resin of thermosetting resin comprising acryl-denaturated novolak resin solely or with resol resin as binder...  
JP01306160
PURPOSE: To improve the coefficient of friction resistance and the cooling efficiency of grinding grains, by a method wherein, in a state in which two inner and outer grinding stones rotated in a reverse direction to each other are arran...  
JP01301016
PURPOSE: To increase the service life of whole gear cutting blades by forming two or three or more gear cutting blades having gradually decreasing radial dimensions in the direction of gear cutting so that the front gear cutting blade wh...  
JP01281857
PURPOSE: To facilitate the honing work of a kitchen knife and cut down its expenses by providing a detecting section for whether a knife body his been inserted or not at a knife body inserting port, and driving or stopping a honing stone...  
JP01274957
PURPOSE: To make it possible to process a CBN monocrystal tool on the top edge in high precision by using a polishing disc of metal containing Cr in specified weight %. CONSTITUTION: A cubic boron nitride monocrystal tool is polished on ...  
JP01264767
PURPOSE: To efficiently grind a tool held by a tool holding bed with a grindstone wheel by controlling a magazine and a grindstone wheel exchanging means to move a grindstone wheel between a main shaft and the magazine with a CNC device ...  
JP01234146
PURPOSE: To keep best cutting quality and to avoid trace quantity of oils and fats, remaining of grinding scrap, and odor by letting a rotary grinding stone instantaneously rush in and run through from the outer periphery of grinding wid...  
JP01228763
PURPOSE: To quickly/reliably index a cutting tool to be polished by arranging an indexing means elastically supported to hold a release state of a spindle when deciding an angular position of the spindle, and arranging a second actuating...  
JP01222853
PURPOSE: To improve the cutting quantity of a bit by pushing and polishing the end portion of the swelled inclined face of a cutter against a moving belt having abrasive grains, then polishing the bit portion thereof with a fixed grindin...  
JP01210265
PURPOSE: To facilitate grinding of the rake face and the flank of a tool by feeding a work spindle spirally with the axial pressure of the work spindle through a friction transmission device. CONSTITUTION: A work spindle 15 supporting a ...  
JP01183349
PURPOSE: To accurately grind a round corner of a throw-away tip by correcting the position of round corner of the throw-away tip with reference to the outer periphery while correcting the corner radius so that the round corner is formed ...  
JP01165401
PURPOSE: To obtain an optimum cutting efficiency by taking a large hook angle, and reducing a rake angle, thereby suppressing a reaction force to an allowable range. CONSTITUTION: A top plate angle is changed, and a reduce allowable side...  
JP01164555
PURPOSE: To reduce the working time by successively correcting the grindstone position shift on the basis of a prescribed measurement value, keeping a grindstone spindle in revolution, until an aimed grinding value is obtained, and carry...  
JP01146648
PURPOSE: To enable rapid and simple correction of a tip cutting edge and to reduce the weight of a device, by a method wherein the holder of a drill is situated to a support part member and a tip cutting edge can be set in parallel to a ...  
JP01146650
PURPOSE: To adjust inclination of a base and a grinding wheel in relation to a periodontal blade, and to re-polish the blade by providing two carriers to which the movement of a link to be guided along a fixed molding plate is transmitte...  
JP01146649
PURPOSE: To grind a tool cutting edge with high precision, by a method wherein a control means to control relative position between the cutting edge of a cutting tool held by a holding part and a grinding tray is provided, a measuring de...  
JP01140992
PURPOSE: To quickly form a scalloped cutting edge on the peripheral edge of a knife blank in a single operation by using a set of a punch and a die. CONSTITUTION: A punch 31 is lowered, and is brought into contact with a die 33, and an u...  
JP01140952
PURPOSE: To carry out a flank machining process, a thinning process and a rounding process in series by providing an intermediate sleeve having eccentric points having two positions which are different from each other by an angle of 180d...  
JP01127259
PURPOSE: To easily regrind a drill edge point by aligning the drill edge point onto the internal periphery of a cup grindstone while setting the center of a drill to a part spacing an arbitrary distance from the center line of this grind...  
JP01115571
PURPOSE: To efficiently automatically grind a screw slot of a spiral tap by obtaining the uppermost top position of cutting edge sequentially changing on the basis of dimensions of spiral tap while providing a control circuit for perform...  
JP01109061
PURPOSE: To set cutter face of a drill accurately on a drillbearing table by arranging a drill bearing mechanism on a polish regulating means such that it will make a predetermined angle with respect to a grinding wheel, then arranging a...  
JP01064762
PURPOSE: To obtain a knife with good cutting quality and high performance by depositing fluid abrasive grains formed by mixing diamond powder with oil on the surface of a base board made of a soft material of resin, metal, etc., pressing...  
JP01058465
PURPOSE: To facilitate the polishing work for a cutter and prevent the vibration of a grinding wheel by installing a special cam mechanism between a rotary driving shaft and a revolution shaft for the wheel and allowing the revolution sh...  
JP01045508
PURPOSE: To improve efficiency through grinding tools with a tool holder left furnished to them by furnishing to a processing head the tool holder equipped with tools forming a V-shaped groove at a plate material, and furnishing to one s...  
JP01045509
PURPOSE: To improve work efficiency by equipping a device which conducts positioning through moving a plate material in the direction of a Y axis, a processing head provided at a work table movably in the direction of an X axis and in ad...  
JP01045510
PURPOSE: To shorten a cutting time by providing a tool holder so as to be furnished regulatably upward and downward, and providing the protruding amounts of the succeeding cutting tools toward the direction of a plate material larger tha...  
JP01040275
PURPOSE: To smoothly dress a tip of a blade by interposing a mechanism for controlling the movement of a dressing member having an elastic grindstone between the dressing member and a supporting member for supporting the dressing member ...  
JP01027890
PURPOSE: To avoid getting a blade ground at the natural frequency of the blade, remove scalloping of the blade, move the blade and a grinding wheel more equally, and hold the cutting accuracy high, by changing the rotation speed of the b...  
JP01027844
PURPOSE: To make it possible to grind the tip of a drill in a desired form by moving the drill held swayable around the supporting axis almost parallel to the rotary shaft of a grindstone and inclined at a specific angle to the grinding ...  

Matches 1,051 - 1,100 out of 1,372