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JP5645527B2 |
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JP3194977U |
To provide a wear-resistant rolled flat die having improved durability and processing accuracy. The fixed flat die 10 is composed of a fixed flat die 10 and a movable flat die 20 facing the fixed flat die 10, and a rolled surface 100 is ...
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JP5641295B2 |
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JP5643682B2 |
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JP5639789B2 |
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JP5638796B2 |
The tube (1) a tube wall (11) having a tube outside portion (2) and a tube inside portion (3), which are axially parallel or helically encircling inner ribs (31) with a tube axis. A helix angle measured with respect to the tube axis is l...
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JP5635332B2 |
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JP5633017B2 |
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JP3194522U |
To provide a thread rolling plate assembly capable of firmly sandwiching a screw base material. A thread rolling plate assembly 3 capable of firmly sandwiching a screw base material includes two opposite thread rolling plates 30. Each th...
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JP5632682B2 |
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JP5625550B2 |
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JP5625454B2 |
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JP5625718B2 |
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JP5622519B2 |
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JP5623309B2 |
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JP5618278B2 |
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JP5611438B1 |
To facilitate screwing of a threaded copper tube in which a parallel male screw is formed at an end portion of the copper tube. A parallel male screw 12 is formed at an end portion of a copper tube 11 by rolling, and a tip portion 12a of...
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JP5609988B2 |
Construction is achieved that is capable of ensuring strength while making the thickness of part of a hollow cylindrical shaped steering column 10b thin. A drawing process is performed on the front-end section of a cylindrical member 19 ...
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JP5609982B2 |
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JP5610962B2 |
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JP5613468B2 |
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JP5609983B2 |
Construction is achieved that is capable of maintaining overall strength of a cylindrical-shaped steering column, while at the same time making it possible to make the thickness part of the steering column thin. An outer column 10b, whic...
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JP5613467B2 |
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JP5604800B2 |
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JP5603283B2 |
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JP2014188582A |
To perform working for providing a tooth of a gear-shaped work-piece with crowning shapes at two points along a tooth trace direction with high productivity and at a low cost.When teeth 11 of a gear-shaped work-piece 10 are to be provide...
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JP5594056B2 |
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JP5589461B2 |
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JP5591123B2 |
The invention relates to a single-piece metal strip having no weld seams and made of a polycrystalline metal, comprising at least one region in which the crystallites have a comparatively stronger anisotropic orientation, and at least on...
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JP5581429B1 |
[Subject] In リングローリングミル 1, though it is comparatively simple composition, the forge plastic surgery of asymmetrical variant section ring 50 is enabled correctly. [Means for Solution] Circumferential groove 2a is provi...
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JP5577078B2 |
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JP2014144481A |
To provide a forging apparatus and a forging method which are capable of manufacturing a forged product with a boss part while reducing costs.A forging apparatus 1 includes a rotary table 10 and a molding roller 14. The molding roller 14...
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JP5563316B2 |
A method of manufacturing an elongated core which is buried in an elongated trim. The method includes, forming slits to a metal plate, which extend in a second direction, at predetermined intervals in a first direction so as to form core...
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JP5559591B2 |
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JP5552963B2 |
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JP5548810B1 |
[Subject] A forming device and a formation method of a female screw of a cylindrical member which are formed in a container are started, and it is made to form a female screw of a cylindrical member simply with sufficient accuracy. [Mean...
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JP5553408B2 |
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JP5545350B2 |
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JP5534838B2 |
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JP5536522B2 |
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JP2014117731A |
To provide a metallic tubular body having great durability against deformation both in the axial direction and in the circumferential direction, and to provide a manufacturing method thereof.The rolling direction of an outlined arrow 2 i...
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JP5527875B2 |
The method involves slidingly placing a portion of a preform (8) onto a mandrel (4), and aligning the mandrel such that a surface (3b) placed within the preform defines a negative profile of an inner surface to be formed in the preform. ...
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JP5523544B1 |
To provide a ring rolling mill capable of preventing an angular velocity difference from occurring in various parts of a work during rolling and accurately rolling a work having a shape whose outer diameter is not straight and which chan...
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JP2014104494A |
To provide a spinning apparatus whereby diameter reduction work of a shell can be properly carried out, without causing idling of the shell during deformation.Clampers 6A to 6F hold a shell 100 in such a manner that the inner peripheral ...
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JPWO2012095940A1 |
To provide a wheel which is lightweight and excellent in mechanical strength, and a method for manufacturing the same. The present invention comprises a disc portion 20, an outer rim portion integrally continuously or assembled on the pe...
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JPWO2012090660A1 |
A method of rolling an internal tooth for forming an internal tooth in a tubular material is disclosed. This internal tooth rolling method is a tool that retracts the tool gear to eliminate the deflection of the rotating shaft that suppo...
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JP5514876B2 |
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JP5503338B2 |
To provide a method and a program for rim roll forming analysis simulation capable of performing the analysis processing of the deformation mode in a short time while maintaining the desired analysis accuracy in a rim roll forming proces...
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JP5496655B2 |
Provided are a multi-thread rolling die manufacturing method for improving the durability of a fine thread working portion, a multi-thread rolling die, and a multi-thread bolt manufacturing method. The multi-thread rolling die comprises ...
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JP2014079798A |
To provide a molding method of a reflection cover capable of heightening production speed, and improving stability of quality and accuracy, and to provide a reflection cover produced by the production method.A molding method of a reflect...
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