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Document Title |
JP4530441B2 |
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JP2010179326A |
To enhance productivity by improving processing accuracy and increasing processing speed in hemming work.A hemming apparatus 10 includes: an anvil 3 fixed to an upper part of a base 1; a final bending punch 5a for applying hemming work t...
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JP4528368B2 |
The invention relates to a method for processing a continuous metal belt (10) having two radially oriented main surfaces (14) and having two axially oriented side faces (15), in particular for processing the side faces (15) thereof, in w...
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JP4523542B2 |
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JP4517586B2 |
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JP4516913B2 |
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JP2010163065A |
To provide an automobile wheel, enabling improvement of durability performance by improving durability of a welded portion, and a method of manufacturing the same. A front side flange part 11 arranged in an outer circumferrential edge of...
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JP4510525B2 |
A burring device is provided which can efficiently perform continuous burring. The burring device has a work holder which has a burring hole and which holds a work object, a pusher rod which rotatably supports the base end of a metal cor...
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JP4502304B2 |
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JP4505100B2 |
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JP4498027B2 |
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JP2010142865A |
To properly manufacture a cylindrical body in which the thickness of a cylindrical part is thicker than that of a flange. After pressing the base stock part 18 of the flange by the pressing surface 43 of a die 42 by the deflection of the...
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JP2010144479A |
To provide a uniform working quality by facilitating the working and enhancing the workability when a skirt part is formed at the longitudinal one end of an accessory for a metal external wall. This working tool for an accessory is provi...
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JP4495184B2 |
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JP4495194B2 |
A lower platen is provided with a hem punch and a slide cam. The hem punch is floating-supported to the slide cam. An upper platen is provided with a hem punch driver cam and a liner. The hem punch driver cam is used to change the hem pu...
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JP2010137265A |
To provide a plastic processing method for executing in order a burring step for forming a boss at the center hole brim part of a disc-like raw material by pressing the center hole brim part of the disc-like material onto the burring hol...
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JP4488405B2 |
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JP4486186B2 |
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JP4483437B2 |
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JP4476447B2 |
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JP2010120066A |
To eliminate the risk of breakage caused by vibration or the like and to evade the increase in weight and the number of parts.The method is provided with: a diameter widening stage where the diameter of the opening end part in a tube bod...
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JP4471533B2 |
A hemming machine has a single bending block (48) having a surface (48a) for carrying out a preliminary bending process and another surface (48b) for carrying out a final bending process, a lower block (14) for receiving an outer panel (...
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JP4473983B2 |
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JP2010517785A |
A load-bearing three-dimensional structure including a skeletal structure formed by a sheet of material having a plurality of bend lines, each bend line including a plurality of folding displacements, wherein the sheet of material is ben...
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JP4469784B2 |
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JP2010110811A |
To provide a method for crush-forming a pipe end capable of preventing the occurrence of cracks owing to local elongation of materials, and capable of processing a round part of a V-shaped tip of an approximately ginkgo leaf shaped cross...
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JP4464457B1 |
To provide a brim forming machine for a pipe material having a simple structure, high bending accuracy and excellent versatility. This is a processing machine 10 for performing brim forming on an end portion 1a of a pipe material 1, has ...
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JP2010104994A |
To provide a locking pawl calking apparatus for easily and surely calking a locking pawl so that the locking pawl is locked to the rib while bending the locking pawl being another member arranged on one surface of a base material with a ...
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JP4450447B2 |
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JP2010075931A |
To propose a method of press-forming for accurately manufacturing a thin-wall cylindrical metallic part having a flange on the outer peripheral surface by press forming.A pilot hole 11 is formed in the center portion of a press-forming r...
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JP2010075950A |
To achieve a method of forming a screw thread hole for efficiently stably obtaining a structure capable of securing strength of a screw.A chamfer part 33 is formed at an opening on a broken section side of a lower hole 14a formed at a pa...
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JP4439237B2 |
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JP2010058132A |
To provide a method for accurately manufacturing, by press-forming, a ring-shaped belleville spring having a central circular hole, whose inner surface is rounded.A small-diameter central circular hole is press-blanked by applying upper ...
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JP4435376B2 |
To produce the cost of a machine and equipment, to improve the working efficiency, and to reduce the product cost by forming a prepared hole and tapered surfaces on the obverse and reverse by sides series of pressing operations. This for...
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JP4425772B2 |
To install a discharging part simply and surely by using a pipe which is inexpensive and excellent in universal applicability in the case the discharging part is integrally installed on the discharging port in the fixed position of an oi...
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JP4424580B2 |
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JP4422200B1 |
To have a drawback that a conventional sheet metal bending tool cannot accurately adjust the thickness of a sheet metal due to a configuration in which a gap is forcibly used between a pair of rotary guide rings provided with through hol...
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JP4418838B2 |
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JP2010036218A |
To provide a hemming apparatus, wherein the working accuracy of a hemming work is raised, and the working speed is increased to raise productivity and also reliability is improved by reducing components.There is disclosed the hemming app...
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JP2010029877A |
To provide a hemming machine capable of reducing the wear of a guide roller itself, thereby improving its durability and reducing the manufacturing cost of the hemming work.The hemming machine is provided with: the working rollers for pe...
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JP2010005663A |
To provide a hemming metal mold achieving continuous hemming of car parts such as a door panel, an engine hood, a trunk lid and an end gate of a pickup truck, having different shape of some parts with high production efficiency by making...
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JP2009544472A |
The invention relates to a method for forming a steel container (1) having a curled open end, comprising the steps of: i) providing a steel cup (11); ii) deep drawing the steel cup (11) into a drawn container preform (12); iii) thin draw...
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JP4383532B2 |
To manufacture a heat radiator having cylindrical heat radiation fins excellent in heat radiation effect by a simple and inexpensive method. This method for forming the heat radiator comprises at least a pressing process in which an appr...
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JP2009279642A |
To enhance the insertable property of a pipe in a boss, and to suppress wear and damages of the pipe inserted in the boss.A burring die includes a first plate, a second plate arranged opposite to the first plate to hold a platy workpiece...
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JP4377973B2 |
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JP4375704B2 |
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JP4374335B2 |
The machine has suction pads holding body panels (20) and has a first set of rollers (14a) and a second set of rollers (15a). The rollers shape the edge (22) of an outer body panel (21) and fold it over the edge of an inner panel (24). T...
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JP3155434U |
To provide a peripheral wall plate for duct assembly in which twisting or distortion of a peripheral wall plate with a goby for assembling a square tubular duct is eliminated by attaching a reinforcing rib. A process of roll-forming male...
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JP4359821B2 |
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JP2009255158A |
To provide a method of burring a metallic material by which the workability of punching work of a metallic material and the formability of burring work after that are improved.In the method of burring the metallic material in which the b...
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