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JPS5760910Y2 |
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JPS57194806A |
PURPOSE: To obtain the internal circumference of a bore, of which accuracy of finished surface is high, even when a spindle is fed in high speed, by providing multi-edges to a cutting edge part, in the titled tool having fixed edges whic...
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JPS5754985Y2 |
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JPS57502051A |
Combined tools for machining or machining the finishing of parts, particularly borers for the finishing of borings, comprising bodies with single crystal inserts, particularly of the group containing sapphire and ruby, but also of the ru...
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JPS57184634A |
PURPOSE: To upgrade machining accuracy and efficiency by boring small holes with a tool provided with an electric discharge machining electrode for required sectional configuration and a broach machining tool which is placed above the el...
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JPS5750604B2 |
The rotary cutter tool assembly, including cutting insert, of the present invention is adapted to perform a finishing operation within a tube in such manner that tube wall thickness is ensured. To this end, the novel insert is provided w...
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JPS57162031U |
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JPS57118126U |
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JPS57112824U |
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JPS57112827U |
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JPS57112802U |
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JPS57100419U |
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JPS57100426U |
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JPS5786727U |
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JPS5781004U |
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JPS5775929U |
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JPS5775930U |
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JPS5773027U |
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JPS5759025U |
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JPS5754414U |
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JPS5738722U |
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JPS5736912U |
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JPS579421U |
A machine tool assembly formed as a shaft member having a cutter head assembly at an end thereof includes a pair of juxtaposed jaws defining a slot therebetween within which there is received a rotatable cutting tool. A T-shaped insert p...
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JPS577336A |
PURPOSE: To cut a tapered blanked hole with an upper blade and to make the shape of the hole straight by providing the cutting blade in the upper part of a punching tool which moves straightforward vertically. CONSTITUTION: A work pieces...
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JPS56160727U |
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JPS5641953Y2 |
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JPS56126325U |
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JPS56114668A |
PURPOSE: To perforate accurately both hard and friable materials such as a super hard alloy, cermet and the like as well as to keep constant peripheral speed of an adjustable reamer by uniting, with a bonding agent, abrasive particles of...
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JPS5636583Y2 |
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JPS56109820U |
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JPS5695529A |
PURPOSE: To perform a reamer working efficiently, exactly, precisely and beautifully by a method wherein an indentation is formed in a twisted edge and a high hard piece is inserted into this indentation and it is fixed by brazing, etc. ...
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JPS5695528A |
PURPOSE: To efficiently perform a very exact, precise and beautiful cutting work (including a surface finishing) by a method wherein hard grinding grains such as CNB or a diamond grinding grain are attached to an end mill edge and a ream...
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JPS5695526A |
PURPOSE: To obtain a boring reamer of rich durability at low price by using partially an expensive high hard material. CONSTITUTION: An edge part 1 to perform a cutting work is installed at the point of a handle part 2. The edge part 1 i...
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JPS5695527A |
PURPOSE: To efficiently perform a more exact, precise and beautiful cutting work as well as to obtain a more excellent resistance to wear by a method wherein a plural lines of twisted edges are installed and the thickness of the twisted ...
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JPS5695525A |
PURPOSE: To efficiently perform a more exact, more precise and more beautiful cutting working as well as to obtain a more excellent resistance to wear by attaching a hard grinding grain to the surface of a blade and an outer diameter bla...
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JPS5689428A |
The reamer has a flat rectangular reversible cutting bit which has a wide-side face, a wide-side contact surface parallel to said wide-side face and a narrow-side contact surface and possesses a cutting edge extending parallel to the lon...
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JPS5629043Y2 |
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JPS5683329U |
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JPS5672623U |
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JPS5672615U |
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JPS5617135Y2 |
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JPS5617129Y2 |
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JPS5617128Y2 |
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JPS5628824U |
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JPS5617135U |
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JPS55179728U |
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JPS5553290Y2 |
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JPS5546421Y2 |
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JPS5540390B2 |
A rotatable cutting tool (10) (Fig. 1) includes an expandable cutting section (40) and a leading end having an expandable guiding portion or pilot (16) for properly aligning the tool in a bore. The trailing end of the tool may have an ex...
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JPS5541466Y2 |
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