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JP2000084620A |
To obtain information adapted to an actual work by digitizing the shape of two or more curved surfaces to be compared, calculating the characteristic values of the shape about the numerical values of each curved surface or the difference...
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JP3023583B2 |
PURPOSE: To precisely and simply twist a square pipe or a flat steel in their straight state. CONSTITUTION: When the square pipe 12 is twisted, a round pipe 13 is preliminarily passed in the square pipe. When the flat steel is twisted, t...
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JP2000031364A |
To provide an inner lead of a lead frame in a semiconductor package, especially for a small thin QON package, capable of being bent at a bending part with an acute angle and easy to mount with an ensured terminal length without resin bur...
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JP2000025929A |
To manufacture pseudo spiral plates easily and inexpensively by means of a simple device structure. The pseudo spiral plate is formed out of single plates 13 having an inner edge 14 and an outer edge 15 concentric with each other and hav...
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JP2995498B2 |
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JP2978579B2 |
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JPH11309515A |
To simplify the carriage of a curtain runner or the manufacture of a carrying screw to be applied to various kinds of carrying conveyors, to reduce the cost of the carrying screw, to save the resources and to reduce the weight. In a manu...
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JPH11285739A |
To enable manufacturing of a three-dimensional curved surface mirror in which it is difficult to obtain a threedimensional curved surface only through elastically deformed bending around a second axis line perpendicular to a first axis l...
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JPH11285744A |
To provide a servo mechanism for a clamping device of a rapid and correct stretching machine. In a stretching machine 10 in which curved clamping devices 24, 25 opposite to each other clamp both ends of a metallic sheet, the clamping dev...
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JP2960499B2 |
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JPH11254046A |
To individually execute the regulation of twist angle in each retainer and to execute the twisting formation having good precision by arranging a rotary driving device and a rotary transmitting device, in which each movable lower retaine...
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JP2951012B2 |
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JPH11226659A |
To perform the spinning working of a tube, and to control the thickness of each part of a tubular member by rotating continuously the tube around the axis of the tube, and working the tube by tools for first and second plastic working wh...
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JPH11221615A |
To make the fluid flow in a tube turbulent and to obtain large heat exchange efficiency by spirally intertwining at least two tubular bodies and fixing these bodies to each other in this state. The tube 10 is a copper tube comprising the...
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JP2930698B2 |
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JP2925297B2 |
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JP2925792B2 |
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JPH11197751A |
To make a three dimensional curved mirror light in weight and to produce it at a low cost. After a large mirror face of a stainless steel plate is ground, a two dimensional curvature is provided by performing bending around a first axial...
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JP2924354B2 |
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JP2915646B2 |
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JPH11169992A |
To provide a band plate screw whose outer periphery part becomes relatively thick in the plate thickness. Axial directions of a pair of rolling rollers 22, 26 whose conical rolling parts 21, 25 are faced each other are set so that a gap ...
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JP2597006Y2 |
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JPH11163559A |
To provide a spacer for printed boards by which need for using screws is eliminated, one component can function as a spacer, workability for assembly is improved, simultaneous detaching/attaching of two points is possible, and electrical...
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JPH11152540A |
To obtain a steel small in deterioration of toughness after bending caused by linear heating by preparing a steel having a non-Mo addition type contg. C, Si, Mn or the like in specified ratios. A non-Mo addition type steel having a comps...
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JP2898601B2 |
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JP2886315B2 |
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JP2883959B2 |
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JP2882602B1 |
The present invention relates to a method of producing a spiral wound gasket for sealing fluid such as liquid including water and oil, and gaseous body including vapor and gas. Moreover, the present invention relates to a device for prod...
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JPH1197165A |
To implement various types of heating with one kind of coils by making the shape of a coil part being a part generating a magnetic flux for induction heating a member to be heated, circular to be substantially identical in its size to th...
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JPH1177171A |
To provide a reinforcing bar bender which is small in size, light, compact, easily treated, having excellent portability, mobility and durability, whose constitution is simple, which is suitable to mass production, inexpensive and can su...
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JP2871445B2 |
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JPH1161334A |
To obtain a concrete reinforcing steel wire, by which sectility by a wire saw is greatly improved at the time of wrecking an obsolete concrete structure, without degrading various characteristics, by specifying the composition consisting...
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JP2856969B2 |
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JPH1128522A |
To obtain the working system restoring the torsional motion formed in a round material piece and juxtaposing the whole bend in the substantially the same surface by temporarily arranging the roll of a tensile device in the opening positi...
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JPH1110243A |
To produce a double spiral body being effective to an automobile muffler without fixing it to an inner tube and to precisely and inexpensively produce it. An engaging pin 7 installed on a spiral projection part 6 of a die 4 is hung to a ...
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JPH118148A |
To provide a method of manufacturing a helical coil, which can mold continuously the helical coil which is wound multiply on a doughnut-shaped spool, with high accuracy in such a way that a distortion is hardly generated in a conductor. ...
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JP2837750B2 |
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JPH10326854A |
To prevent a plating from being adhering to a die punch for bending when a solder-plated lead frame is subject to bending, and to improve moulding accuracy and production efficiency. A die punch for bending separately consists of a base ...
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JP2828313B2 |
In the present invention, a lever (4) of a metallic binding hand is clipped by holding pieces (12, 13). A pair of forming pieces (23, 24) are located in the loop section (2A) of the binding section (2) of the metallic binding band. Devia...
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JP2825138B2 |
A bending die includes a first die portion for bending a stretch portion of a composite flange and a second die portion for bending a straight portion of the composite flange. The first die portion has a first inclined surface inclined a...
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JP2826948B2 |
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JPH10296342A |
To improve the precision of a torsion flat steel and to remarkably shorten the working time by respectively fixing both ends of a flat steel, twisting the flat steel by rotating one side end while drawing one more side end, and producing...
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JPH10296343A |
To control the direction of a heating torch so that the height of the heating torch is kept constant relative to a plate to be heated, and the heating torch is orthogonal to the plate. In a posture control method, first, second and third...
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JP2816000B2 |
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JPH10263712A |
To reduce a deviation from a desired dimension by inserting polymer mandrels from both sides of a hollow metal body and bending while stretching the hollow metal body from both ends in the longitudinal direction to prevent collapse of th...
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JP2806509B2 |
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JP2801332B2 |
Method to bend the trailing end of bars, which is to be carried out automatically or otherwise in bending-shaping machines with a working platform (22) that can be positioned as desired in relation to the horizontal and with a bending as...
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JP2802045B2 |
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JP2799311B2 |
To provide a universal ring bender which has fixed interaxes as well as a compact and low-cost structure and which serves to spirally bend a tube or a rod. In the universal ring bender, a single geared motor 1 is arranged and a ring bend...
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JP2795966B2 |
The heating apparatus comprises metal heating shells (shells 14) each with a single cast-in heating element, which is shaped from a linear pipe to form at least one loop (13). The heating element has supporting faces (13e) which are not ...
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