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JP11336980 |
To provide a construction method for forming a branch opening capable of easily forming the branch opening of almost equal diameter to an existing pipe line and in a spot difficult to mount a hole saw just beside or the like of the exist...
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JP11320310 |
To improve a conventional pipe end portion processing device to make a base structure of the device same in both drive patterns, and to convert the device from one drive to another drive at a low cost. A pipe end portion processing devic...
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JP11300422 |
To obtain a bending structure of a long size material capable of high precisely bending the long size material such as a hollow square pipe in a prescribed position at a prescribed angle, also excellently being finished without needlessl...
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JP11287379 |
To generate a cut surface of fine workmanship when a branch pipe is cut from a main pipe. A pipe device is configured so that an edge preparation 12 is formed at a branch pipe 10 and the intersecting point between the edge preparation 12...
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JP11254225 |
To reduce the amount of cut chips to a minimum limit by providing a cutting means having a cutting wheel attached so as to be pressed outside radially on a spider assembly into contact with a wall. A cutter 20 is provided with a hard spi...
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JP11254224 |
To facilitate work in a working for cutting a pipe having a tapered surface in the outer peripheral surface at its tip and a groove in its outer periphery at a position separated from the tip. A rotary shaft 13 is provided with a first p...
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JP11245116 |
To attain size reduction and shorter cutting time with less variety of pipe cutters. This pipe cutter is formed into an annular shape by connecting a plurality of arc-shaped links with roughly equal connection pitch P to each other. Ther...
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JP11245115 |
To perform cutting and beveling with one device, and to eliminate the generation of chips at the time of cutting by providing a mechanism for moving a disk cutter blade in the radial direction of a pipeline, and operating the driving for...
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JP11239912 |
To clam and unclamp a pipe even in a case where the pipe shape is different like a circular tube or an angular tube without exchanging a clamp piece, and to perform a travelling cut work efficiently and safely. A clamp piece 15 installed...
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JP11235616 |
To cut a steel pipe to be cut by pushing without damaging a disc cutter by providing a cutter holder and a disc cutter with pivotal function in the traveling direction of a steel pipe to be cut with respect to lateral load in replacing a...
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JP11230439 |
To improve the pipeline connecting workability in the structure that a pair of metal tube bodies to be connected are connected to each other through a narrow lock ring of a connector by fastening a fastening nut by providing a recessed g...
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JP11226635 |
To continuously produce a tube of a polygon and closed state in viewing at a cross section orthogonal to a strip feeding direction, further to obtain a tube not brittle due to metal fatigue and to surely have a good precision. The device...
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JP11221612 |
To provide a method for working profile slits on a tubing in the axial direction to a tubing suppressing deformation as little as possible. A plug 16 on the outer peripheral surface of which projections 8 are formed in the axial directio...
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JP11198094 |
To cut a bellows-shaped flexible tube reliably at a crest thereof. The tool used for cutting a flexible resin tube comprises a main body 20, a support plate 21 bent at its tip into a crest and mounted on the main body 20, a spindle 22 op...
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JP11182734 |
To cut an existing pipe without requiring excavating work by cutting the existing pipe from inside by a rotary blade provided on a cutter head inserted from one end opening of the existing pipe when cutting the existing pipe buried under...
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JP11159683 |
To take out a branch of a large flow rate without reducing strength of a main pipe by boring a hole so as to cut out a side part of the main pipe by pressing a tip blade part of a cutter to an outer peripheral surface side part of the ma...
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JP2928737 |
PURPOSE: To enable stable butt welding by maintaining at high precision the out-of-roundness, flatness, etc., of the butt end face in each opening in a thin wall tube and the like. CONSTITUTION: Flaring working is performed on the end pa...
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JP11109095 |
To provide a method for removing a facility pipe where the pipe can be removed safely without causing a harmful substance inside the pipe from leaking outside and a working efficiency can be improved when removing the pipe that is provid...
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JP11090726 |
To provide a high-quality cutting end face without any level difference by simultaneously implementing a precutting and a cutting-off cutting by a same rotating cutting mechanism. A pipe cutting mechanism 4 with a rotary shaft 3 rotated ...
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JP11090725 |
To easily cut a down pipe and form a beautiful cut section by connecting a right semicylinder for surrounding the right half of the down pipe to the left semicylinder for surrounding the left half of the down pipe in such a state as open...
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JP11077421 |
To provide a pipe cutting cutter that can easily bite the well face of a pipe even if the wall thickness of the pipe is thin and can perform cutting and chamfering simultaneously. The tip section of a shaft 1 which is protrusively provid...
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JP11077581 |
To cut the cutting surface of a tubular body fine and sharp, even when the wall of the tubular body is flexible and thin, and it has a reinforcement element. A prime mover 38 to drive two rotatable mass bodies 4 and 6 in the same rotatio...
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JP11070406 |
To provide a can opener for easily opening both cylindrical and angular cans. This can opener is provided with: two crank arms 2 equipping and supporting disklike cutting blades a center shaft member 3 having a fixing clamp mount for fit...
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JP11070495 |
To cut a hose easily and quickly so that it has a sharp cut edge. A tool unit 12 is adapted to move across the axis of rotation 6 by centrifugal force against the force of a spring 22. The tool unit 12 includes a cutting tool 14 situated...
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JP11033818 |
To suppress crush or deformation of the cut end of a long stretching material and enhance the cutting efficiency. A stationary blade 12 provided with a through hole to admit insertion of a long stretching material to be cut 10 is install...
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JP11019814 |
To provide a work device for a large diameter cylinder part whereby cutting and end face work of the large diameter cylinder part such as core shroud and shroud support cylinder can be performed by remote work, automatically efficiently,...
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JP11002362 |
To lay a new pipe on a laying path of an already installed pipe with small force, by cutting the already installed pipe longitudinally at a circumferential position of the already installed pipe. A new vinyl chloride pipe 15 is attached ...
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JP2868733 |
To provide an in-pipe cutting method and a cutting device which can cut a projection part of a branch pipe into a main pipe along the inner periphery surface of the main pipe accurately and efficiently. An endless wiresaw 12 is turned al...
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JP10328925 |
To clamp even a distorted or bent pipe positively without partial contact. A clamping device for a pipe cutter consists of a clamp base 9 provided in the state of holding a pipe 1 and provided with a base block 11, a slide block 12 broug...
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JP10315038 |
To improve production efficiency by arranging a rotary cutter and an inside surface bead cutter in series on the steel pipe discharging side of an electric resistance welded tube manufacturing device, and arranging them so as to respecti...
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JP10309618 |
To provide a pipe cutting device capable of improving smoothness of the cutting surface of a pipe material. The inside diameter of an introducing hole 7 of a fixed side metal mold 2 is formed into a taper shape a little smaller than the ...
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JP10277835 |
To provide a corrugated resin pipe cutter which is capable of constantly cutting a corrugated resin pipe at the center of a crest of the pipe even when the pitch of corrugations of the corrugated resin pipe is changed or even when the di...
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JP10249629 |
To obtain a vertical cutting surface without producing flaws and strain at the pipe end part of a pipe body in a cutting process for the pipe body, require neither separate device nor separate operation, and thereby reduce production cos...
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JP10230409 |
To prettily cut a longitudinal crack tube vertically in an axial direction by providing a separation type guide for clamping a notched part toward a cut part and a tool main body having a cutting blade inserted from the notched part into...
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JP10230408 |
To increase cutting accuracy by inserting at least two bars into a metallic pipe, cutting the pipe together with the bars and resins after the resins are supplied and dried and burning the dry resins to separate the cut pieces of the pip...
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JP10180530 |
To provide a cutting method whereby swelling of a pipe material cut end part periphery due to use of a disk cutter is eliminated, in the case of a pipe material particularly soft in thin thickness, without deforming this pipe material, i...
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JP10180531 |
To easily cut a resin pipe or the like used to serve as a leader of a rain gutter. A pair of frame units 1A, 1B formed with at least an internal peripheral edge in semicircular arc shape are provided, the mating one end parts of each fra...
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JP10151517 |
To perform proper and rapid machining of the edge part of the cut end of a pipe material after cutting thereof by a method wherein when the machining part of a pipe machining means is collided with the cut end face of the pipe material, ...
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JP10146715 |
To cut off a ring-shaped product in a short time by suspending and rotating a cylindrical ring-shaped material by a rotating mandrel, and cutting off the ring-shaped product having a prescribed width by pressing a protrusively cutting ro...
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JP10138036 |
To cut a tip of a cold and hot water supply pipe without generating irregularity. A device comprises a cutter base part 1 having a U-shaped aperture part 3 at an upper part and a grasping part A at a lower part, and a grasping part B rot...
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JP10138035 |
To prevent cutting failure by performing work so that an orbit by linking points at which a cutter to cut a tube notches the tube in the first place can pass through a part where flexural rigidity to cutting force exerted on the tube by ...
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JP10131185 |
To cut and remove steel-pipe piles by simple temporary construction without damaging peripheral structures by forming a vertical cutting-plane line by a vertical cutting disk and a horizontal cutting-plane line by a horizontal cutting di...
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JP10128695 |
To provide a cutting method, cutting device and a tool which can eliminate possibility of accidental infiltration of a cutting chip in the inside of a tube even in the halfway of cutting and even after cutting. In a method executed by a ...
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JP10128614 |
To automatically set a cutting clearance provided in a facing part between a fixed mandrel and a movable mandrel according to the board thickness of a pipe by providing a clearance between a seat plate for compressing a synthetic rubber ...
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JP10128615 |
To diagonally cut a pipe and provide a good cut surface without damaging a device. A cut shape of a pipe 1 is constituted by a cut surface S1 tilted from one side of a peripheral part of the pipe 1 to a right end side in an axial directi...
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JP10118832 |
To provide a device which is of compact construction, and which is capable of efficiently performing the cutting or ring raw materials by a shear-press device, the forming of cut rise part, and shortening the length of this device in the...
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JP2778656 |
PURPOSE: To provide a pipe cutoff apparatus, which has simple structure capable of quickly tightening a pipe to a rotating tool blade, is easily carried, of a portable type and can be used at a place where the pipe is laid or fixed. CONS...
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JP10080819 |
To smoothly cut the opening edge part cut off from a can body into a strip in a trimming machine without increasing the amount of pressing of a cutter. A trimming machine l is provided with a cylindrical mandrel 4 on which a can body is ...
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JP10076420 |
To securely position and fix a can body to a mandrel, and smoothly perform attaching/detaching work of the can body to/from the mandrel in a trimmer. A trimmer 21 is provided with a rotatable cylindrical mandrel 22 around which a can bod...
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JP10076419 |
To reduce collision of an air manifold part with a cross board, and provide a shock absorbing plate of excellent abrasion resistance which is difficult to peel in a trimmer. In a trimmer 1 in which a mandrel 4 around which a can body C i...
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