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JP06126361 |
PURPOSE: To surely and sharply cut without generating a burr on an electron part. CONSTITUTION: Blade tops 10, 10 of a pair of cutting blades 9, 9 cutting a lead wire b of an electron part a are formed along a curve line. The cutting bla...
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JP06117119 |
PURPOSE: To shear a steel positively without the lateral escaping of a movable upper jaw when the steel is shorn. CONSTITUTION: A steel shearing machine is composed of a fixed lower jaw 25 with a plurality of lower shearing blades instal...
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JP06055330 |
PURPOSE: To provide a rotary cutter with a blade generating a straight cutting line along a plane which is almost orthogonally crossed with an advancing direction of a metallic part to be cut. CONSTITUTION: Cutting end edges 26, 27 are f...
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JP06055326 |
PURPOSE: To perform taper machining simply to the end edge of a metal plate by providing an upper metal mold formed to have the blade tip angle twice as large as the tapered angle of the machined object so as to part the center of the ma...
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JP06015524 |
PURPOSE: To provide an apparatus for shear-cutting a stack of amorphous steel strips along a cutting plane that extends transversely of the stack. CONSTITUTION: This apparatus comprises two blades 12, 14 that are positioned on both sides...
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JP06015597 |
PURPOSE: To quickly exchange a cutter to improve productivity of a cutting device by fitting at least one piece of cutter to a cutter holder, and exchangeably inserting the cutter holder into one of cutter supporting bodies. CONSTITUTION...
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JP05337725 |
PURPOSE: To provide a cutting device for cutting scrap, which is capable of cutting scrap from a clamping gap at a further reduced cost by inhibiting a scrap inserted in the clamping gap from deforming the cutting device so that the func...
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JP05299502 |
PURPOSE: To thin off the thickness of a blade without decreasing rigidity by a method wherein the width in radial direction of an abrasive material layer bonded to a metal thin plate is set more than nine times of the thickness of the ab...
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JP05287504 |
PURPOSE: To prolong the life of the circular blade for a steel sheet trimmer consisting of a tool steel as a base material by subjecting a high hard TiC-TiN coating film to coating treatment. CONSTITUTION: This circular blade for the ste...
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JP05277825 |
PURPOSE: To provide a cutting tool by which a material to be cut is cut in its state being sandwiched. CONSTITUTION: Heat resisting rubber boards 8, 9 are respectively fixed on the upper faces of the fixed blade 1 and the movable blade 2...
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JP05228719 |
PURPOSE: To provide a cutting device for a liner plate which can obliquely cut the liner plate in a short time, and cut a chip into plural pieces at the same time as the cutting of the liner plate. CONSTITUTION: A liner plate cutting dev...
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JP05209466 |
PURPOSE: To excellently consider load generated during operation (even in the case of the reception of troublesome load and in case by abrasion) by improving a crushing plier proper for concrete or a similar within a cutting range. CONST...
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JP05138429 |
PURPOSE: To reduce the damage of a rotary shearing edge and a slitter as much as possible in the case of moving a slitter for exchanging it, and moreover to narrow a plant site as much as possible by making the moving distance of the sli...
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JP05016015 |
PURPOSE: To obtain a lead wire cutting edge for electric parts which can prevent peeling-off of plating during the cutting process of a lead wire and avoid generation of defective electric parts. CONSTITUTION: A cutting edge 30 is lowere...
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JP04319097 |
PURPOSE: To provide a clamping device of a press which can be directly controlled by an electric signal and secure a large closing stroke. CONSTITUTION: A magnetic device 13 for clamping composed of a permanent magnet 14, a release coil ...
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JP04304919 |
PURPOSE: To execute a length cutting for various kinds of works by a pair of dies and also to compose with good stability so as to execute the separate works of notching, perforating, etc., at the plural places of the work with one die. ...
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JP04288934 |
PURPOSE: To reduce the generation of burrs and sagging. CONSTITUTION: A punch 10 for punching is provided with a notch 11 in the shape of a long groove in a center and a pair of teeth 12 on both sides of the notch 11. The width of the no...
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JP04275821 |
PURPOSE: To join the rear end portion of a preceding plate piece to the leading end portion of a succeeding plate piece at a short joining port on. CONSTITUTION: The edges of upper and lower knives 3, 4, 5, 6 are formed with a L-shaped d...
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JP04261851 |
PURPOSE: To obtain a replaceable cassette unit for web rotary press in which a cassette can be replaced easily while shortening the time required for loading or rearrangement significantly and a replaced cassette is brought to a final ac...
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JP04229239 |
PURPOSE: To improve a cutting machine for web or thin planar work for the purpose of manufacturing a container. CONSTITUTION: A table T where upper and lower tools S1, S'1; S2, S'2 of a blank separating station in a container manufacturi...
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JP04226336 |
PURPOSE: To obtain a creasing and slitting machine which can provide wide possibility with regard to tool selection, applying pressure and relative position between a tool and a counter-tool. CONSTITUTION: The creasing and slitting machi...
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JP04183515 |
PURPOSE: To easily cut an unnecessary end part of a corrugated steel plate or the like into a plurality of steel pieces by providing a stationary cutting blade, a movable upper cutting blade and a movable lower cutting blade so as to adj...
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JP04069109 |
PURPOSE: To enable a bar fed progressively to be cut off at the front and rear ends for improving operability and dispensing with a wide space for reversal by providing a single fixed die and two movable dies in a shearing die. CONSTITUT...
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JP04041117 |
PURPOSE: To obtain a product with the cut face not affected by burrs by having one die put near to the other die with the advance of a cutter to perform cutting in such a state that the outside face of a long shape material has contact w...
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JP03279591 |
PURPOSE: To prevent damage by inserting hard sleeve and insert rings of tungsten carbide into sheet rings mounted to a movable gate valve chest in a state of compression preload. CONSTITUTION: A hard sleeve 44 of tungsten carbide is inse...
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JP03196911 |
PURPOSE: To surely prevent the plastic deformation of a corrugated plate at the cutting time, by arranging the upper end of a lower blade at the specific intervals in the flowing direction of the corrugated plate from a guide plate and a...
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JP03190616 |
PURPOSE: To dismantle a knife in a downward direction without dismantling wearing plates on the feed channel side by removing knife securing screws, and making a sleeve slidable in the back direction of a knife carriage from a knife cont...
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JP03184712 |
PURPOSE: To efficiently replace a shearing blade by fitting the shearing blade to a blade cartridge to form a shearing blade cartridge assembly, and fixing it to a mounting block in a tube cutting press. CONSTITUTION: A mounting block 84...
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JP03184710 |
PURPOSE: To automatically provide the precise cut fringe of a portion to be welded by connecting lower blades to a moving unit with no play, and shifting the moving unit with a control device via a drive device. CONSTITUTION: A wedge sli...
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JP03149117 |
PURPOSE: To prevent a product and a sot member from producing shearing drop or shearing bur by holding the steel molding of a sheared product by the lower cutting edge section of a lower mold and arranging an upper mold for shearing from...
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JP03130137 |
PURPOSE: To enhance an accuracy and an acceleration of positioning by positioning tools in the case of moving a web of a cardboard between a pair of rollers of creasing rollers and between a pair of rollers of cutting rollers. CONSTITUTI...
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JP03104505 |
PURPOSE: To certainly make a cut part in a sharp shape by way of allowing a material to smoothly flow at the time of cutting by bringing ridges formed with cross lines of V shape grooves provided respectively on the primary main surface ...
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JP03086420 |
PURPOSE: To reduce the usage quantity of cemented carbide and the machining quantity of a cemented carbide part, and restrain the increase of cost by constituting a movable blade body out of three divisions of a cutting edge, a cutting e...
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JP03086419 |
PURPOSE: To prevent a movable blade body from rotating regardless of the magnitude of fitting force between both members by installing a rotation stopper member at the boundary part between the movable blade body and a holder. CONSTITUTI...
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JP03086421 |
PURPOSE: To facilitate grinding of one of a stationary blade and a movable blade by forming either of them at right angles to its center line, and forming a flank to keep a necessary clearance on the surface of the other cutting edge sur...
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JP03086422 |
PURPOSE: To improve wear resistance and impact resistance, and widen regrinding interval making a cutting edge part of a movable blade body out of cemented carbide. CONSTITUTION: In the case of a cutting edge holding part 21 separated fr...
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JP03035922 |
PURPOSE: To improve the assembling workability, to ensure a necessary fastening force, and to prevent the fretting corrosion from occurrence by a method wherein a region where a moving blade body is pressed in a holder is axially divided...
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JP03035919 |
PURPOSE: To prevent occurrence of the cracking of a holder and to sharply prolong the life of a moving blade by a method wherein the moving blade tool body is formed in the shape of a disc having radius higher than a given stroke, an esc...
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JP03035920 |
PURPOSE: To prevent occurrence of the cracking of a moving blade body and to greatly prolong the life of a moving blade by a method wherein a U-shaped escape groove for preventing interference with a positioning member during movement of...
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JP03035921 |
PURPOSE: To prevent occurrence of the cracking of a moving blade body and to provide prolonged life of a moving blade by a method wherein a U-shaped escape groove to prevent interference with a positioning member during movement of the m...
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JP03035918 |
PURPOSE: To cause blades used for shear a stack of amorphous steel sheets to be separated from each other to greatly extend the working life of each blade by providing negative rake angles on the blades. CONSTITUTION: Blades 12, 14 are p...
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JP03032592 |
PURPOSE: To enable assembly and removal of a cutting roller in a short time by providing a base with a fast assembly device for the cutting roller as the lower blade shaft of a slitting mechanism. CONSTITUTION: A cutting roller 3 is rota...
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JP02303710 |
PURPOSE: To prevent a burr and to align the side line of a product by making the contact position of the circularly arcuated edge and straight line edge of a punch front end part and the contact position of the circular arcuated edge and...
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JP02232116 |
PURPOSE: To make it possible to release a cut piece without any resistance by holding a barstock securely only while shearing force is applied and releasing its restriction the instant cutting is terminated. CONSTITUTION: An upper cuttin...
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JP02212009 |
PURPOSE: To prevent deformation caused by internal stresses produced at the time of rolling a channel steel when the channel steel is out, by previously drawing a flange on one side of the channel steel, and cutting the channel steel whi...
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JP02205409 |
PURPOSE: To prevent rotation of a movable blade main body, and looseness thereof so as to prevent the generation of cracks in the movable blade main body and a holder by fitting the movable blade main body into the holding hole of the ho...
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JP02190211 |
PURPOSE: To improve a rate of operation of a tube mill by firmly supporting a shearing blade on a shearing blade cartridge and exchanging shearing blades speedily in a shearing blade mount for cut-off die set shearing a tube emanating fr...
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JP02172615 |
PURPOSE: To use a tool unit to be mounted on upper and lower tool support bodies of a C-shaped machine frame through a connecting means with improved flexibility by turnably fitting a saddle plate relative to the lower tool support body ...
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JP02165825 |
PURPOSE: To rapidly and efficiently remove or exchange a notching blade by forming a guide way on a cross slide, providing a carriage in the guide way so as to freely displace and adjust its position, selectively connect or release a pos...
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JP02124215 |
PURPOSE: To obtain a good cut end state in a plurality of times of shearings by soldering a cutting edge made of sintered hard alloy including Co of specific weight ratio to a soft steel base through Ag-Cu-Ag soldering layer and forming ...
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