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Patent Searching and Data


Matches 651 - 700 out of 4,367

Document Document Title
JP6996605B1
To provide a press forming method and a press forming apparatus for an outer panel for an automobile which prevents line deviation and forms a character line. A method for press-molding an automobile outer panel according to the present ...  
JP6998216B2
A shell, a container employing the shell, and tooling and associated methods for forming the shell are provided. The shell includes a center panel, a circumferential chuck wall, an annular countersink between the center panel and the cir...  
JP2022020313A
To suppress pressure drop in a channel of air while supplying the air to a ram shaft through the inside of a reciprocating liner motion mechanism, and to stably release a can after molding from a punch.A reciprocating linear motion mecha...  
JP2022020316A
To provide a frame for a drive mechanism, which can increase mounting accuracy of a reciprocating linear motion mechanism and which can facilitate maintenance of the reciprocating linear motion mechanism, and can molding equipment compri...  
JP7008159B1
To provide a bending apparatus capable of bending a work made of high-strength steel or ultra-high-strength steel without cracking and so as to significantly reduce the amount of springback. A work 4 made of a steel plate is bent so that...  
JP7003341B1
A pressure command generator that outputs the first pressure command (P1a) of the pressure or force generated between the die cushion mechanism and the slide (1) by the die cushion control device (200A) that controls the die cushion mech...  
JP7000459B2
A molding recessed part of a lower mold constituting a press molding device is provided with a first blank holder, and a circular second blank holder is freely movably provided on one outer peripheral side of the first blank holder. Mean...  
JP7001073B2
To provide a press forming method in which variation in shape of a press-formed article resulting from difference between material strengths of metal plates is reduced when forming a press-formed article having a hat type cross section s...  
JP7000674B2
The present invention aims to provide a mold to be used for blanking a metal plate to shape a blank to be drawn. The mold has a surface treatment film that is effectively prevented from a progress of peeling. The mold of the present inve...  
JP6992015B2
The present disclosure discloses a method for improving yield strength of one or more workpieces. The method includes positioning the one or more workpieces in a punch and die assembly and operating the punch and die assembly such that, ...  
JP2022002852A
To provide a press forming method for a metal plate, by which spring back can be further suppressed compared to a conventional method.A press forming method for a metal plate 1, in which a metal plate 1 is disposed between a die 31 and a...  
JP6987692B2
To allow an age-hardened aluminum alloy to be molded at a lower cost.In step S101, a plate material consisting of an aluminum alloy and subjected to precipitation hardening treatment is heated in a state that the precipitation hardened s...  
JP2021195618A
To provide an inexpensively available general process for manufacturing a press-hardened work of hot-formable blanks.The invention relates to a method for press hardening blanks 1 composed of hot-formable steel with the following process...  
JP2021194700A
To provide a die cushion device of a press machine that is equipped with a locking mechanism that can be easily installed in an existing die cushion device and can easily secure a function of temporarily stopping a cushion pad.A die cush...  
JP2021196047A
To provide a hydrolocking gas spring device which is simple in a structure, and favorable in cooling efficiency.In a hydrolocking gas spring device, a piston 3 is slidably arranged in a cylinder chamber 2 which is formed at a main body 1...  
JP2021194687A
To provide a manufacturing method for a press-molded product, a pressing die, and a press-molding device which can prevent a crack and a wrinkle from occurring on a top plate of a press-molded product, in manufacturing the press-molded p...  
JP6985989B2
A method for manufacturing a press-molded article includes: preparing a patchwork blank 1 in which a thickened portion 4 is formed by welding patchwork 3 to basework 2; bending only the thickened portion 4 of the patchwork blank 1; and b...  
JP6981502B2
A press forming tool 13 according to the present invention are configured to form a press forming part 1, the press forming part 1 including: a top portion 3 having a convex and concave outer edge part 11 in which a convex outer edge par...  
JP2021190151A
To provide a load beam capable of avoiding instability of a distance between a load beam for a disc device suspension and a flexure.A load beam 16 has: a pair of flange bending parts 43 and 44 which include first bending parts 41 and 42;...  
JP6975580B2
To provide a press molding method capable of molding by using less material by reducing inflow of the material to a vertical wall part.A press molding method for pressing a blank material 50 by moving a die relatively to a punch, and for...  
JP6973236B2
To provide a press forming method for forming a press-formed article having an L-shape in a planar view while preventing the occurrence of wrinkle.The press forming method according to the invention is a method for forming a press formed...  
JP6972405B1
To provide a hot press molding die capable of easily and surely closing a passage hole of a die main body with a plug member. A mold body 12 formed of a mold material for hot press molding is provided. A cooling structure 14 having a ref...  
JP6969133B2
To provide a press forming method being a manufacturing method of a molding having a stretch flange which is suppressed in the thinning of a plate thickness caused by an influence of compression deformation, being a molding which can be ...  
JP6959903B2
To provide a command generating apparatus capable of easily generating a die cushion force command or a slide speed command during a press-molding period, according to the human force sense.A command generating apparatus attached to a di...  
JP6959993B2
To suppress springback of the press-formed product, in improving rigidity of a press-formed product having a low rigidity shape produced by press-forming a sheet material by a rigidity adding shape to suppress springback at a time when t...  
JP6954207B2
To suppress surface strain of a circumference of an embossed portion and to simply constitution of a press forming apparatus.A press forming apparatus 1 is provided that comprises:, at a top part 5 provided in a forming region R, a punch...  
JP2021167002A
To provide a method of manufacturing a hat-shaped formed part allowing for reducing the occurrences of wrinkles within a product in a neighborhood of an end of a metal sheet not held by a blank holder and further inhibiting damages to a ...  
JP6951541B1
To provide a hot press molding apparatus capable of preventing delayed fracture of a molded product. This is a hot press molding apparatus 1 having a molding portion 4 and a trimming portion 3 and performing molding and trimming on a hea...  
JP2021164937A
To solve such a problem that conventional press forming causes an SS mark in a thin sheet and which results in inferior quality depending on a raw material of a thin sheet, the production condition thereof and the like at press forming.A...  
JP2021164956A
To provide an apparatus for controlled return of stems in cylinders applied to stamping presses.An apparatus comprises fluid-operated cylinders (11), and at least one hydraulic accumulator (20) which is fluidically connected to at least ...  
JP2021162182A
To provide a heating furnace which enables an atmosphere around a heated object while the same is heated to be easily controlled.A heating furnace comprises: a furnace body; a forward-and-backward section which can be moved forward and b...  
JP6946571B2
This heating furnace includes a housing having a pair of side walls, a workpiece support material configured to support a workpiece having a flat plate shape in a horizontal posture between the pair of side walls, a planar heater configu...  
JP6941413B2
To provide a die cushion device capable of certainly locking a die cushion pad when the die cushion pad reaches a bottom dead center, even when operating a press machine at high speed.In a die cushion device 100, a moving portion is conf...  
JP2021146365A
To provide a press molding die that can stabilize molding quality and extend the service life based on an idea contrary to the conventional idea.The present invention is a die used for press molding of a material, and has a convex part c...  
JP2021142536A
To form a different thickness steel plate having a corrugated shape portion into a prescribed shape by a single press forming operation without causing defective forming.A press forming metallic mold 20 is used for press forming a differ...  
JP2021137851A
To provide a press metal mold which can prevent the generation of a season crack and a stress corrosion crack of a press molding in a process which is simpler than before, and the press molding which is reduced in the season crack more t...  
JP2021524905A
To provide a multi-chamber type heater capable of efficiently performing a blank heating step while occupying a small installation space. The present invention is a multi-chamber type heater for heating a blank in order to solve the abov...  
JP6929832B2
A draw pad reduces instances and the extent of earing when a blank of metal is clamped and punched during a drawing process that results in the formation a cup-shaped body from the blank. A draw pad for a cupping press includes an inner ...  
JP2021122839A
To provide a manufacturing method for a press molded article in which fracture and crack of a side wall part with respect to a bottom surface part can be suppressed in molding a press molded article having the bottom surface part and the...  
JP6926186B2
A process and a system for forming of a workpiece using a press including a pressure generator, a forming tool, and an at least in part elastically deformable element, are disclosed. At least one of the workpiece or the forming tool is h...  
JP6926437B2
To provide a heating apparatus in which uniformity of heating in a heating target region is enhanced when partially performing heating on the heating object and also to provide a light shading member used for the same.A heating apparatus...  
JP6923044B1
To provide a press molding die and a press molding method which can be applied to a press-molded product in which wrinkles and cracks occur in the flange itself and can suppress wrinkles and cracks in the flange at the same time. A press...  
JP6922584B2
The present disclosure is applied to a press molding method for press-molding a workpiece by a press die composed of an upper die and a lower die while holding the workpiece by a die cushion. The press molding method according to the pre...  
JP6919690B2
To provide a lower die shape capable of inhibiting wrinkles from being formed due to shrinkage deformation of a flange part.This method includes a bending forming step of bending-forming a side wall part 11 and a flange part 12 by press-...  
JP6923043B1
To provide a press molding method capable of simultaneously suppressing wrinkles and cracks generated in a flange. In the press molding method according to the present invention, a top plate portion 3 and a vertical wall portion 5 contin...  
JP6901772B2
To provide a press device capable of easily applying compression pressurization means for executing compression drawing processing even to an existing press device body.A press device comprises a lower die set 4 attached on a press devic...  
JP6898397B2
To provide an apparatus for press forming allowing for suppressing the occurrence of warp, wrinkles, cracks or the like.An apparatus for press forming 1 comprises a movable die 10 and stationary die 20 that is for forming a blank 2 by cl...  
JP6897840B1
To provide a press molding method capable of suppressing cracks in a flange portion and suppressing wrinkles in a top plate portion and a vertical wall portion during press molding of a press-molded product which is concavely curved in a...  
JP6897841B1
To provide a press-molded product which is curved in a concave shape in a top view, cracks in a flange portion are suppressed, and wrinkles in a top plate portion and a vertical wall portion are suppressed. A press-molded product 1 accor...  
JP3232609U
To provide a mold device capable of stabilizing the moldability of a product. The wrinkle pressing die 3 is provided with an upper die 1, a lower die 2, and a wrinkle pressing die 3 positioned on the lower die by a slide plate 4 and slid...  

Matches 651 - 700 out of 4,367