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JPH038850B2 |
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JPH038853B2 |
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JPH035023A |
PURPOSE: To obtain a pulsation absorbing member having spiral paths on the outer circumference of a central path by twisting the axis round its center to deform the projected wall parts spirally after a fixed cross sectional long materia...
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JPH03125B2 |
This invention relates to the bending of shaped sheet metal, which shows alternatingly occurring longitudinal ridges and valleys, the lateral portions of which constitute lateral portions of the ridges, about an axis, which extends perpe...
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JPH0262331B2 |
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JPH0256974B2 |
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JPH0256975B2 |
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JPH02274323A |
PURPOSE: To attain an exchangeability of mutual positions between a contrast roll and a base stock by a stationary blade supporting member which supports a stationary blade having lateral shearing action and whose position is firmely hel...
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JPH0251686B2 |
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JPH02274322A |
PURPOSE: To easily manufacture a ring high in concentricity accuracy by coiling a metal strip in the same diameter, continuously and spirally so that the strip width direction shows the diametrical direction of a ring to be manufactured ...
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JPH0250565B2 |
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JPH0250564B2 |
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JPH02263522A |
PURPOSE: To enable clockwise bending and counterclockwise bending by providing a rocker bending device on a slider transferable in the direction vertical to a feeding direction of a bar stock to be worked. CONSTITUTION: A bending disk 11...
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JPH02247033A |
PURPOSE: To form a sirocco fan having the total length of cross section of a blade longer than pitch of the blades by forming parallel grooves in side direction having the prescribed pitch in longitudinal direction of raw material, shear...
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JPH02118614U |
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JPH02235524A |
PURPOSE: To shorten the manufacturing process for parabolic springs by holding pawls so that a pawl on one side of a multiple pawl tool which is hydraulically operable is fixed to a frame, the pawl on the other side is accessible and mov...
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JPH0241371B2 |
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JPH02224911A |
PURPOSE: To automatically form required bending parts at both ends of a bar by positioning a movable shear which is able to slide in the longitudinal direction of the bar, and by fixing the length of the trailing end of the bar which app...
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JPH02224820A |
PURPOSE: To conduct straightening with a single machine by aligning a working plane from a horizontal position to positive inclined position, to a vertical position and to a negative inclined position and, in such a case, downward moving...
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JPH0238295B2 |
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JPH0235616B2 |
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JPH02200328A |
PURPOSE: To quickly set a relative position of a work on a rotary table to work on an elevation table from a bending position of the work and to improve the bending efficiency by elevating/lowering the elevation table at a stroke to a lo...
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JPH0234248B2 |
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JPH0234249B2 |
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JPH0227927Y2 |
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JPH0227948Y2 |
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JPH0217716Y2 |
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JPH0221888B2 |
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JPH0218648B2 |
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JPH0284217A |
PURPOSE: To obtain an iron core having a diameter high in dimensional accuracy by detecting the diameter of the iron core while elastic deformation is recovered, feeding back this detected value to a roll guide drive part for regulating ...
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JPH0270318A |
PURPOSE: To easily form a perforated tube of sheet metal which is spirally coiled by continuously perforating a strip in the length direction, feeding it obliquely to the axis of a mandrel and rotating the the mandrel around the axis. CO...
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JPH028806B2 |
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JPH028811B2 |
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JPH0255623A |
PURPOSE: To obtain a uniform twist angle, etc., extending over the overall length in the axial direction of an extruded stock by rotating one or both of chucking blocks in the reverse direction to each other around the axis. CONSTITUTION...
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JPH027727B2 |
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JPH0242308A |
PURPOSE:To maintain a measuring stroke of the device in a constant range even if a base material to be measured is changed and to make the time required for the inspection uniform by pushing-out a piston rod after a pipe base material is...
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JPH0241641A |
PURPOSE: To improve an yield of a material, and to insert windings easily into the slots of wound cores by punching two rectilinear core blank sections having the same shape from one band plate and molding these sections to the wound cor...
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JPH0237194A |
PURPOSE: To secure such a screw rotor that is excellent in accuracy in an easy manner by adding further twisting to a screw blank with a helical tooth, and increasing a helix angle yet more. CONSTITUTION: In a die 2, there are provided w...
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JPH0225222A |
PURPOSE: To adapt clamping jaws to the direction or position of a vertical member which change during a forming process by setting a means for changing an acting direction of a forming force applied to panel structural parts. CONSTITUTIO...
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JPH022652B2 |
The invention relates to a method and apparatus for forming a scroll member of scroll-type apparatus, the scroll member comprising an end plate having an involute wrap rigidly affixed thereto. In one embodiment, the end plate (27) an...
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JPH02133B2 |
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JPH01313113A |
PURPOSE: To increase bending angle and to reduce working cost by irradiating the laser beam from a bisector of the supplementary angle for the bend angle, in the stage of bending the work stock with irradiating the laser beam. CONSTITUTI...
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JPH0156845B2 |
PCT No. PCT/SE79/00227 Sec. 371 Date Jul. 3, 1980 Sec. 102(e) Date Jul. 3, 1980 PCT Filed Nov. 6, 1979 PCT Pub. No. WO80/00932 PCT Pub. Date May 15, 1980.The invention relates to a method and a device for bending sheet-metal sections. It...
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JPH0156854B2 |
A disc roller mechanism and method for forming helical-shaped structures from a feed wire or rod, wherein the feed wire is drawn through a plurality of staggered disc-shaped forming rollers by rotation of the rollers, while the wire is a...
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JPH0154123B2 |
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JPH01284430A |
PURPOSE: To improve the strength in the vertical direction of winding by pressurizing a hollow square pipe after pipe making in the vertical direction, then bulging the side face and winding the hollow square pipe. CONSTITUTION: A device...
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JPH0152088B2 |
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JPH0148097B2 |
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JPH0148089B2 |
The invention concerns an arrangement for the bending of laying tubes for wire-winding layering apparatuses, in which the molding body that determines the form of the laying tube runs essentially horizontally and is rotatably supported, ...
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JPH0144404B2 |
A scroll manufacturing tool for finishing a spiral element (141) of a preformed scroll by coining which includes a working member (11) having an end plate (111) on opposite sides of which a first involute element (112) and a drive shaft ...
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