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JP6184820B2 |
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JP2017070993A |
To provide a pipe drawing and bending device by which unwanted parts, which are cut and removed from a pipe after bending, can be reduced.A bending mold 4, in which a groove corresponding a bending shape of a pipe 7 as a bending object i...
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JP6087730B2 |
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JP6012192B2 |
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JP2016182615A |
To suppress cracking of a bent outer side and decrease of a plate thickness in rotational bending.A rotational bending method for bending a metal tube 1 by use of a bending metal mold 3, a wiper 7, a side booster 5, a back booster 6 and ...
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JP2016147304A |
To provide a pipe bending device capable of simplifying a structure, and decreasing size.A pipe bending device 1 for bending a pipe 15 has a pressure die 6 which pressurizes an outer periphery of the pipe 15 and moves backward/forward in...
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JP5921229B2 |
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JP2016078089A |
To provide an elbow manufacturing device capable of restraining thinning and thickening of a bending part.An elbow manufacturing device comprises a bending roll 1 for bending a processed pipe P, a pair of movable pressures 2 and 2 for pr...
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JP5878294B2 |
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JP5855528B2 |
The present invention provides a method of producing a fuel distribution pipe 10 to be attached to a cylinder head. The method includes providing a forged bar made of metal, forming a main bore 14 in the forged bar so as to extend along ...
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JP5854457B2 |
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JP5846825B2 |
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JP5783598B2 |
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JP3199915U |
To have a labor saving effect, a simple structure, convenient to carry and use, to handle tubes having different dimensions, and when a part is damaged, it is possible to replace only the part. Provided is a booster tube bending machine....
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JP5763954B2 |
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JP2015131308A |
To provide a mandrel device for tube bending processing eliminating occurrence of defects such as a dent, a crack and a corrugation on a tube and a bending processing method of the tube, and further to make bending processing of the tube...
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JP5710872B2 |
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JP5604259B2 |
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JP5525434B2 |
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JP5512858B2 |
A machine vision system (1102, 1104) for an apparatus (108) for bending or shaping orthodontic archwires (122) or other medical devices into a complex, patient individual shape is described. The apparatus comprises two moveable, compact,...
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JP5438006B2 |
A pipe bending machine with bending mandrel having a load bearing structure which is particularly resistant to working stresses, comprises an extractor (2) which is fixed in a rear portion of the pipe bending machine, and mandrel rod (13...
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JP2014028382A |
To provide a bending method of an inexpensive thin wall pipe having high work accuracy or a metal pipe capable of small bending work of a flexural center radius, for pressing a bending part by four-point support, by using a bending metal...
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JP2013202641A |
To provide a core bar capable of preventing seizure on an outer peripheral side of a bent part even when bending a hard metal pipe.An edge part 2a of a shaft 2 of a core bar 1 is provided with a contact roller 3 rotating around a shaft p...
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JP2013198909A |
To solve the problem of difficulty in favorably bending a square pipe due to crinkles or cracks generated inside or outside of the square pipe while thinning a thickness and increasing length and width dimensions when bending a thin squa...
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JP5285236B2 |
To provide a tube bending device capable of bending a tube with high accuracy. The tube bending device includes: a rotary piece disposed at a specified position of a frame; a clamp device for holding a work on the rotary piece; a work pr...
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JP5255648B2 |
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JP5237619B2 |
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JP5235030B2 |
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JP5209464B2 |
A device for the free-form bending of longitudinal profiles, in particular pipes, in which an axial sleeve is arranged downstream of a feed unit in its direction of feed. Arranged downstream of the axial sleeve in the direction of feed, ...
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JP2013081988A |
To solve a problem wherein a magnesium material is known to be inferior in plastic workability at an ordinary temperature and it is presumed that pre-annealing and warm working would be required when the magnesium material is formed into...
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JP5184125B2 |
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JP2013027880A |
To provide an apparatus and a method for bending a hollow shape, by means of which a hollow shape or a half hollow shape is easily bent with a simple constitution and the deformation of a cross section of the shape caused by bending is l...
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JP5080229B2 |
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JP2012187600A |
To provide a method for forming sheet material, a sheet material-forming apparatus, a method for determining forming conditions for the sheet material-forming apparatus, and a device for determining forming conditions for the sheet mater...
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JP2012166246A |
To enable highly accurate bending of a pipe by using a mandrel.A mandrel 14 includes a sphere surface part 22 of a hemisphere surface shape that is fitted attachably and detachably with threaded parts 24, 27 to the distal end of a body 2...
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JP4946206B2 |
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JP4907080B2 |
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JP4884083B2 |
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JP4843974B2 |
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JP4828160B2 |
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JP4825019B2 |
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JP4781593B2 |
A bending machine according to the present invention include: a first fixture member 22 for holding one end portion of a long work 20; a second fixture member 24 for holding the other end portion of the work 20; a rack 30 mounted on the ...
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JP4778992B2 |
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JP4751049B2 |
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JP4598371B2 |
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JP4592913B2 |
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JP4587239B2 |
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JP4563575B2 |
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JP4524001B2 |
A bending apparatus which can bend pipes and obtain as small curvature as possible without flattening or buckling easily occurring in the bending region. The bending apparatus comprises a bending die for a pipe, a clamping die which rota...
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JP2010131610A |
To provide a pipe bending auxiliary tool capable of preventing occurrence of wrinkles on the inner side when bending a cylindrical pipe, and holding of a pipe bending member on the inner side of bending, improving the friction with a pip...
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