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JPS6059058B2 |
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JPS6059054B2 |
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JPS60250826A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS60238040A |
PURPOSE: To produce a short elbow by using a thin-walled blank pipe without using a packing material and without generating a shape defect by specifying the shape of a die hole into which the blank pipe is forced in the stage of producin...
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JPS60234723A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6050526B2 |
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JPS6049055B2 |
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JPS60160932U |
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JPS6047019B2 |
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JPS60206535A |
PURPOSE: To heighten the efficiency of work and to reduce the allowance for scrap by arranging an axial bending process of a molding material continuously immediately after a sectional bending process of metallic strip material. CONSTITU...
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JPS6044055B2 |
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JPS60141917U |
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JPS6030981Y2 |
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JPS60148627A |
PURPOSE: To execute easily and quickly bending without generating a flaw and a wrinkle on the inside surface of a pipe by elongating a mandrel to the radial direction, moving a pipe to be worked to the axial direction in a state that a p...
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JPS60130415A |
PURPOSE: To obtain a pipe having smooth inner and outer surfaces and subjecting to radial reduction efficiently with simple operation by inserting a bar consisting of a milder material than a pipe stock into the pipe stock and extracting...
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JPS6094325U |
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JPS6094322U |
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JPS60118331A |
PURPOSE: To arrange and distribute an inner pipe in an outer pipe, also to prevent the inner and outer pipes from becoming flat, and to raise heat exchange efficiency by inserting a long-sized cylindrical mandrel into the inside of the o...
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JPS6025207B2 |
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JPS60102229A |
PURPOSE: To reduce thinning that occurs in back side and tensile residual stress that occurs on outer surface and obtain a bent tube excellent in corrosion resistance and fatigue resistance by forming compressive residual stress on inner...
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JPS6080023U |
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JPS6080022U |
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JPS6097076A |
A joint assembly to make firm but easily releasable contact between two components, for instance a vibration generator of magnetostrictive or piezo-electric type, an an internal plug or mandrel for use in the drawing or draw-bending of m...
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JPS6056121U |
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JPS6064733A |
PURPOSE: To bend easily a square pipe, etc. in an optinal direction by using a common bending die by inserting a pipe into a tube in a way as to provide a gap therebetween, packing a fluid material into the spacing between both and bendi...
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JPS6052019U |
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JPS6052098U |
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JPS6028914U |
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JPS605929Y2 |
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JPS6024227A |
Apparatus for draw-bending metal tubes and other elongated workpieces of hollow section, in which a mandrel, supported on a bar within the tube, bears againstthe inner wall of the tube in the region of the bend and helps to prevent the t...
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JPS5953128B2 |
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JPS59220219A |
PURPOSE: To obtain a formed product of high commercial value free from generation of streaks on bent part by inserting a core material into the U-shaped groove of a shape steel and forming by bending as it is. CONSTITUTION: A core materi...
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JPS5950418B2 |
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JPS59218223A |
PURPOSE: To manufacture easily a bent pipe for a duct by forming plural projecting lines of an eccentric shape on the outside circumference of a metallic pipe, making an opposed inside wall of a side where a projection of this projecting...
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JPS5944134B2 |
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JPS5937308Y2 |
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JPS59174226A |
An internal mandrel (10) is disclosed which is used for supporting the inner wall (30) of a pipe (12) during bending. The internal mandrel includes a urethane plug (31) which is compressed between the piston (60) of a hydraulic cylinder ...
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JPS59143520U |
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JPS5939210B2 |
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JPS5939208B2 |
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JPS5938850B2 |
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JPS5938045B2 |
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JPS5938047B2 |
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JPS5938048B2 |
A method of continuously bending elongated materials may comprise engaging one portion of the elongated material with a guiding means and clamping a second portion of the elongated material in a clamping device driven to rotate with a mo...
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JPS59135829U |
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JPS5935690B2 |
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JPS5935691B2 |
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JPS5935692B2 |
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JPS5925572Y2 |
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JPS5925571Y2 |
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