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JP4700524B2 |
A press-working method comprises: cutting out a member with a predetermined shape from a sheet material, the member having a longitudinal direction; bending the member with the predetermined shape to form a bottom portion and a wall port...
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JP4698417B2 |
Production of a double pipe comprises forming a straight inner pipe (162) having a predetermined length, forming a straight outer pipe (161) having a diameter larger than the diameter of the inner pipe, inserting the inner pipe into the ...
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JP4690808B2 |
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JP2011516271T |
The present invention is provided with movable type Joe device 10 provided with main part 6 with supporting walls 8 and 9 in which it is the vice provided independently with a feasible movable type Joe device, and two vice 4 was allocate...
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JP2011098386A |
To provide a bending device which can improve workability for bending of a pipe material with a hollow cross section.The bending device includes a pair of wing-type dies 3 which are connected to be swingable through a pair of fulcra 2, a...
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JP4681381B2 |
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JP4680652B2 |
To provide a metal bend having a sectional shape for components, and its manufacturing method in which the material reduction in the bending is suppressed, a sectional shape deformed in the axial direction is compatibly realized, the cos...
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JP4679752B2 |
To provide a die device hardly scratching a long work, and adaptive to the change of L-angle. A plurality of sets of die units 10 with partial dies 21, 22, 23, 24 and 25 independently moving in the longitudinal direction (the direction o...
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JP2011079028A |
To provide a pipe bender which can bend a pipe to right and left two directions.The pipe bender includes: a roll die 6 rotatable in forward and reverse directions, in which a recessed groove for bending guidance is formed at the circumfe...
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JP2011056538A |
To perform angle control with high accuracy and stably by the target value which is corrected on the basis of an empirical value and by automating the angle control in cold bending work.In the method of bending the pipe, in the bending w...
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JP2011508674A |
Method for bending pipes (T) or similar elongated elements in a pipe bending machine includes a seat for positioning the pipe (T) to be bent, a forming roller (R) having a predetermined radius (RR) around which the pipe is bent and appro...
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JP4653856B1 |
Provided are a pipe bender which is capable of spiral pipe bending and a method for spiral pipe bending with radii of bend using the pipe bender. The pipe bender includes an XY sliding mechanism), which has a Y-axis movement means travel...
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JP2011045902A |
To increase the maximum load of a hollow bent member.The bent member 1 satisfies the relationship of 0.55
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JP2011031296A |
To provide a device for working a reinforcing bar with which bent reinforcing bars are bound and recovered by reduced labor and safely.This device is provided with: a bending working base in an attitude along the vertical direction; a be...
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JP4634857B2 |
To bend a reinforcing bar S into a correct planar shape even when there are bend and twist on the reinforcing bar S before it is worked. When bending the reinforcing bar S by a pair of bending units 10, 10, the reinforcing bar S before w...
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JP4625320B2 |
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JP4612410B2 |
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JP4600900B2 |
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JP4598371B2 |
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JP4598440B2 |
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JP4598441B2 |
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JP4592913B2 |
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JP4592843B2 |
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JP4591908B2 |
A tube bending device having draw-bending and compression-bending functions and capable of bending in all processes in a unit of device is provided. The device performing bending by rotating the tube at a predetermined angle with the tub...
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JP4587239B2 |
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JP2010260105A |
To provide a bending device which measures the radius of curvature in a bending area to be bent by the device.In the device for continuously bending an elongated workpiece at predetermined radii of curvature, a series of driving rollers ...
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JP2010260079A |
To provide a bending apparatus, by which high bending accuracy is obtained at portions including a start edge part and a terminal edge part without straightening, and to provide a brake shoe worked by the bending apparatus.The bending ap...
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JP4573643B2 |
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JP4565872B2 |
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JP2010227998A |
To provide a forming tool with which bending work of the maximum of 360° is accurately performed without using a tool having a complicated mechanism for a planar or bar-like base stock which is plastically deformed.The forming tool is c...
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JP4554781B2 |
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JP4551511B2 |
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JP2010207832A |
To improve the capacity in stress corrosion crack resistance of bended products by reducing residual stress after bending work in a method of roll-bending for imparting a curvature in the longitudinal direction by applying load to the ou...
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JP4546592B2 |
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JP4544524B2 |
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JP4539932B2 |
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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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JP4518932B2 |
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JP2010525953A |
A device for bending a pipe includes a pipe feed device configured to continuously advance the pipe in a longitudinal direction of the pipe feed device; a bending arm pivotable about a rotation axis and having a pipe holding device secur...
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JP4515056B2 |
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JP4507317B2 |
To execute uniform and high precise bending work by dynamic torque control, and to shorten the development time by shortening the teaching time, eliminating troublesome teaching work by a worker. In the continuous bending work following ...
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JP2010142817A |
To provide a simulation system of three-dimensional bending work of a tubular body by which computation time is shortened and design change is achieved by accurately determining whether interference with obstacles exists. The simulation ...
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JP4490563B2 |
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JP4484976B2 |
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JP4474046B2 |
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JP4468783B2 |
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JP2010516471A |
The present invention provides a method for heat-treating seam-welded constructions of hardenable steel and ferrous alloys with reduced weld-zone hardness and improved weld-zone ductility and toughness. This method consists of heating th...
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JP4464529B2 |
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JP2010105047A |
To provide a pipe bending apparatus having improved movement transmission device to a bending die in order to overcome limitations of the conventional technique and shortcomings concerning a low transmission force.The pipe bending appara...
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JP4456489B2 |
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