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JPS5847563A |
PURPOSE: To form an arbitrary circular under-hole with a simple device in the stage of cutting and forming a circular under-hole on the surface or the like of a pipe by rotating a rollered top mounted with a cutting torch one turn horizo...
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JPS5847564A |
PURPOSE: To cut and form a round prepared hole easily in the stage of cutting and forming a circular prepared hole on the surface of a pipe by rotating a top with which a cutting torch or guiding rollers are held in contact at all times ...
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JPS5811460Y2 |
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JPS5826258A |
PURPOSE: To perform easy and accurate flaw detection regarding bodies to be inspected which differ in thickness, internal diameter, etc., by allowing a wheel to contact and leave the circumferential surface in a flange body, and bringing...
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JPS5826259A |
PURPOSE: To perform easy flaw detection regarding bodies to be inspected which differ in thickness, internal diameter, etc., by providing a clamping part which contacts and leave the internal circumferential surface of a flange body, a r...
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JPS5821562A |
PURPOSE: To make it possible to carry out smooth and accurate flaw detection regardless the dimension of a flange or a steel pipe and the presence of absence of obstacles by causing a detection probe, installed to a clamp unit through a ...
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JPS583611Y2 |
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JPS589775A |
PURPOSE: To copy a groove part accurately and to weld a branch pipe satisfactorily by storing the positions detected with a sensor and positioning a succeeding torch to correct positions. CONSTITUTION: When a pinion 18 is rotated by a mo...
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JPS584329A |
A tractor assembly for mounting on a track fixed to a workpiece the tractor used to support and guide a metal-working tool along a fixed path, the tractor having three wheels to engage opposite edges of the track, one of said wheels bein...
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JPS57211550A |
PURPOSE: To reduce the amount of radiation dose rate of workers by providing a sleeve shaped radiation shielding body rotatably mounted on the outer circumference of a traveling track that is permanently installed at the place such as th...
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JPS57195583A |
PURPOSE: To facilitate controlling of flat welding in the fayed parts of a main pipe and a branch pipe by fixing a torch to the branch pipe via a wearing device, an angle adjusting device and a carriage. CONSTITUTION: When a pinion 18 is...
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JPS57191545A |
PURPOSE: To apply a piping flaw detecting head even to a nonmagnetic pipe without reference to the diameter of piping on which fault detection is to be imposed by holding the head at a desired position on the external circumference of th...
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JPS57184699A |
This invention provides a method of and apparatus for cutting within the confines of a passage. The method comprises introducing into the passage a cutting apparatus, supplying to the cutting apparatus fluid under pressure, supplying sep...
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JPS57175255A |
PURPOSE: To realize the use of an ultrasonic flaw detector in a narrow space of either part of the straight and curved pipes, by mounting detachably a turntable containing an ultrasonic probe, a mobile table, a flaw detecting position de...
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JPS57156146A |
PURPOSE: To obtain a tool cooling apparatus which is equipped with a plurality of cooling-liquid distributing units, each of which is interconnected with the tool having an oil hole which is accomodated in a tool magazine beforehand to f...
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JPS57156153A |
PURPOSE: To make a hole through the sheet coated on the inside of a pipe in the position of a branch pipe by providing a branch pipe location sensor and a heater rotatively and slidably on the base plates fixed within a gas main or the l...
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JPS5743365B2 |
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JPS57142556A |
PURPOSE: To improve the accuracy and the economy by detecting flaws from above marks on the surface to be inspected. CONSTITUTION: A latice striped mark 3 is painted centered on a weld section 2 of an object 1 to be inspected. It is so a...
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JPS57127844A |
PURPOSE: To widen the range of applications of the materals to be checked having differnt dimensions and to improve accuracy, workability, and working efficiencey, by the movement of a moving block in the direction of a diameter and the ...
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JPS57127579A |
PURPOSE: To perform titled welding of intricate saddle type curves three-dimensionally, automatically and precisely by providing a copying shaft for height and diametral directions and a shaft with torch oppositely to a table which rotat...
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JPS57120858A |
PURPOSE: To improve the ease of mounting and operation of the entire part of a titled device and the accuracy of the position detection of a probe by providing the probe, a position detector and an operating part to a bracket which can b...
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JPS57107264A |
PURPOSE: To perform polishing and cleaning, dust-collection and coating operation easily and securely for the coating of the internal welding surface of steel tubes welded mutually, by fitting a polishing and cleaning machine, a dust col...
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JPS57105147U |
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JPS57102708A |
PURPOSE: To make an electric magnet in small size and light weight by providing a voltage adjustment circuit in an exciter circuit, which is to energize the electric magnet, and thereby suppressing the temperature rise of the magnet at a...
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JPS57102709A |
PURPOSE: To prevent such an accident with a magnetic boring machine as being swung out by furnishing a magnetic flux sensing device at the magnetic circuit of an electric magnet base and refraining from supplying current to the motor- dr...
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JPS5798301A |
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JPS5793252A |
PURPOSE: To correctly detect a defect position and to improve a reproducivility of an inspection, by a method wherein an index sheet is adhered to a surface to be inspected, and a defect finding head, incorporating an ultrasonic probe an...
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JPS5724451Y2 |
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JPS5723066Y2 |
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JPS5766806A |
PURPOSE: To rapidly and smoothly cut-finish the welded fillet of a petroleum tank or the like to a good state, by providing a sliding mechanism for finely adjusting the protruded position of a cutter, on a truck. CONSTITUTION: A bead cut...
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JPS5733909A |
PURPOSE: To provide a means to obtain an accurate horizontal cutting through a simple device by constituting it to cut the top face with a milling cutter pressed against the top face of a blast furnace top ring and moving along the arc o...
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JPS578746B2 |
A method and system of positioning a boring mechanism in a stern tube, wherein a hollow boring bar having a plurality of laser detecting devices in the hollow portion thereof and an adjusting mechanism corresponding to each of the detect...
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JPS5727609A |
PURPOSE: To provide an automatic edge preparation device for large diameter pipes with small wall thickness, which assures uniform shape and dimensions with the same depth of cut even though pipes are deformed, by equipping the device wi...
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JPS5715605A |
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JPS56166107U |
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JPS56146601A |
PURPOSE: To improve efficiency of work by fixing, in an erected configuration, a spherical panel to be worked on a stool, by the use of a jig, working two upper and side butt surface with an edge preparing machine and further turning sai...
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JPS5646944Y2 |
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JPS56117897A |
PURPOSE: To perform welding with precision efficiently in a short time by providing a mechanism of holding a torch movably at the joint part between a main tube and a branch tube so that it can move along the joint part. CONSTITUTION: Fl...
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JPS56102410A |
PURPOSE: To work for beveling preparation on plate pieces for spherical panel materials, by mounting the cutter and the milling head equipped with power source in rockable manner on the surface rectangular to the feeding direction. CONST...
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JPS56104841U |
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JPS5634795B2 |
Apparatus including a portable manipulator for the axial alignment of an inspection or repair device with a selected tube in a heat exchanger. The manipulator is angularly positionable about a center toward and away from an arbitrarily c...
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JPS5689458A |
PURPOSE: To provide precise machining with a machine tool for a long and heavy work, by using a balancer for eliminating a gravity applied on the work due to the weight of the machine tool by which the work is held. CONSTITUTION: A cylin...
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JPS5629054Y2 |
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JPS5676305U |
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JPS5625767Y2 |
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JPS5624584U |
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JPS566272Y2 |
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JPS55131450A |
PURPOSE: To correct mounting position errors in a tool and accurately detect the relative positions of a work and the tool, by detecting the pivotal rotation of tool- clamping shafts with a potentiometer. CONSTITUTION: Taper pins 8a, 8b ...
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JPS55134147U |
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JPS55105692U |
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