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Patent Searching and Data


Matches 1,051 - 1,100 out of 5,249

Document Document Title
JP4488405B2  
JP4486186B2  
JP4483437B2  
JP4476447B2  
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...  
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 (...  
JP4473983B2  
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...  
JP4469784B2  
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...  
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 ...  
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 ...  
JP4450447B2  
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...  
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...  
JP4439237B2  
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 ...  
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...  
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...  
JP4424580B2  
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...  
JP4418838B2  
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...  
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...  
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...  
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...  
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...  
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...  
JP4377973B2  
JP4375704B2  
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...  
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...  
JP4359821B2  
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...  
JP4358584B2  
JP4352777B2
To enhance the reliability and durability of a shell type roller clutch, a shell type needle bearing or a needle bearing having a press holder by forming an outer ring 2a or the like of high quality having a flange 6c on an edge without ...  
JP2009241089A
To solve the problem that, when performing a bending work, because the vicinity of the surface on the outside of the bent part is stretched and the vicinity of the surface on the inside is compressed, the compressed potion generates and ...  
JP4346951B2
A method for manufacturing a fuel inlet having a good sealing property and a screw structure formed in a precise position involves expanding one end of a long-length stainless pipe (metal pipe) using a cored bar, the tip of the expanded ...  
JP4343763B2  
JP2009226413A
To provide a drawing device with which a stage for removing burrs which are generated on a cut surface is performable as a stage continued to the drawing stage and a cutting stage.In a drawing device which is provided with a roller mount...  
JP2009204216A
To improve reliability of brazing of a connection part between a tube end part of a heat exchanger and a tank.An annular protrusion 4 is formed on periphery of the end part of a tube 3, and a sectional periphery of a top part of the prot...  
JP4329294B2
To provide press processing equipment which can carry out draw-back bending cam and punching to an end of the same workpiece with one turning cam without damaging a punching die formed at the turning cam by the running of a piercing punc...  
JP4328061B2  
JP2009197853A
To maximally avoid reduction in heat-dissipation properties without damaging effects such as safety and wear suppression of a brake pad in a brake disk having a petal-shaped outer peripheral shape in which radial unevenness circumferenti...  
JP2009192059A
To provide female piping that is low in material cost and working cost and is easy to connect with male piping with high connection reliability.The female piping 20, which has a radially expanded portion 1 expanded from an inside diamete...  
JP2009190075A
To suppress the occurrence of wrinkles caused by cam bending.A press forming method is disclosed for forming a metal sheet 20 into a product shape through: a drawing step where a lower die 31 and a die 51 are clamped while relatively app...  
JP4317368B2  
JP4313711B2
To make a structure for preventing cut chips from splashing, even if forming female screws of both of front and rear faces by only tapping from one side without reversing a die-cast frame. This die cast frame 1 is provided with boss part...  
JP4306507B2
A caulking method for joining a first plate having a tapered hole and a hollow cylindrical caulking portion extending from a periphery of the tapered hole, and a second plate having a hole, the method including inserting the caulking por...  
JP2009166078A
To provide a flange which has strength necessary to open and to mount an overcap, which has no risk that a hand and a mouth are cut by a flange edge and which is combinable with a filling and sealing machine for synthetic resin container...  

Matches 1,051 - 1,100 out of 5,249