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Matches 451 - 500 out of 4,368

Document Document Title
WO/1992/007711A1
An object of the present invention is to provide a die cushion device of a press machine, wherein preliminary acceleration can be applied to a die cushion pad following the descent of a slide at an accurate timing and with high accuracy,...  
WO/1992/004142A1
A can body maker apparatus including a stationary support frame (12); a housing (20) having forming and ironing dies located therein mounted on the support frame; an elongated ram (30); a reciprocating ram drive (40); and a redraw assemb...  
WO/1991/008065A1
Apparatus for forming sheet metal blanks (80) within a press (10) having base and outer (11) and inner (12) slides and including a basic die (15, 16, 17, 18) mountable to the press and tooling (25, 51) mountable to the basic die. The bas...  
WO/1990/009851A1
A redraw apparatus (16) is provided for a can body making apparatus wherein the redraw carriage (40) of the redraw apparatus (16) is mounted for substantially friction-free sliding reciprocating movement over a pair of spaced apart suppo...  
WO/1990/000943A1
In a press for manufacturing sheet metal preforms in several stages, the die cushions (10) are arranged in a frame. The frame forms a unit (6, 6') which can be detachably connected to the press frame (1) and which is selected from a numb...  
WO/1989/002794A1
A system for trimming a can body wherein a can body (12, 212) is positioned within a cutting member (26, 226) so that the cutting member (26, 226) is at the location where the can body (12, 212) is to be trimmed. A resilient, deformable ...  
WO/1989/002793A1
A power press, used for forging, stamping and forming metal workpieces, provided with a cushioning system including die cushion combined with snubbers and intensifiers and counterbalances. During the operation of a press, abrupt changes ...  
WO/1988/005724A1
To drive two toggle levers (29, 29') of a press, in particular a high frequency cutting press with at least 400 strokes per minute, two separate but mutually synchronized drives (101, 101') are provided to ensure a uniform, non-wobbling ...  
WO/1987/002919A1
A punch and die assembly for trimming the flared end of a can body comprises a reciprocable punch (10), and a split die (15) consisting of two semi-circular segments (14, 16) movable between an open position allowing infeed of article (A...  
WO/1983/000821A1
The drawing device is provided with a mechanical operated punch (24) and with a hold-down clamp (5) of which the clamping force acting in a fixed cylinder (12) is exerted on the metal sheet (27) against the drawing direction through a su...  
WO/1983/000822A2
The machine for the manufacture of cams from sheet metal has a press stern (10) which is surrounded by a number of ram assemblies (11) carrying dies (12) cooperating with punches (13) attached to bolster (14) of circular shape. A cylindr...  
WO/1981/002399A1
A blank and draw press tool (11) for a press for blanking and drawing an article from sheet metal comprising a stationary first die part (13) which carries a cutting or blanking die (34) having a peripheral edge (15) corresponding in sha...  
WO/1980/001253A1
A method of making hollow articles by deep-drawing under changing fluid-pressure. A press (3) for making hollow articles by deep-drawing comprises a high pressure vessel (1) with a female (3) and a male (4) dies therein. The workpiece (1...  
JP2024030177A
An object of the present invention is to provide a positioning structure for a pressed material and a method for positioning a pressed material, which can suppress a decrease in strength of a press-formed product while allowing shrinkage...  
JP7425392B1
An object of the present invention is to improve both the slow temperature rise rate of the overlapping part and the fact that one sheet part is heated for an excessive period of time when Al-based plated steel sheets are used as a mater...  
JP7421847B2
To prevent a molding failure such as a crack or wrinkle on a molding.A press molding method includes a preliminary molding step of molding part of a blank 17 before a punch 11 comes into contact with the blank 17.SELECTED DRAWING: Figure 8  
JP7419224B2
The die cushion device includes a first hydraulic cylinder 120 for supporting a cushion pad 110, and a first hydraulic circuit 140-1 for driving the first hydraulic cylinder 120. The first hydraulic circuit 140-1 is a hydraulic closed ci...  
JP7417069B2
To provide a method for manufacturing a molding material, capable of improving the inner diameter precision of a trunk, and reducing a risk of trim deficiency.A method for manufacturing a molding material includes manufacturing a molding...  
JP2024006554A
The present invention provides a method for manufacturing a press-formed product that sufficiently suppresses wrinkles caused by shrinkage flange deformation and is applicable to bending. [Solution] The method for manufacturing a press-f...  
JP2024006565A
[Problem] Conventional sequential molding methods have a problem in that it is difficult to improve the shape accuracy of molded products. [Solution] In a sequential forming method in which a metal plate W is formed into a three-dimensio...  
JP7403794B2
To provide a double-acting press die that can shorten a distance between upper and lower dies by driving a punch separately inside a die and can be fitted to an existing press device.A double-acting press die includes: a deep drawing die...  
JP2023179918A
[Problem] While reducing stretch cracks in a press part in which one side wall of a hat-shaped cross-sectional portion is curved in the direction of stretch flange forming with a curvature greater than that of the other side wall, shape ...  
JP7401775B2
To inhibit breakage of the burring-subjected part.An initial-burring part 51 comprises: a plurality of first inclined wall surfaces 54 circumferentially arranged, inclined with respect to an axis O, and becoming larger while being separa...  
JP2023178858A
The present invention provides a press molding method and a press molding apparatus that can suppress both cracks and wrinkles in a press molded product having a hat-shaped cross section. Using an upper mold 31, a lower mold 32, and a pu...  
JP7399905B2
To restrain formation of wrinkles on a management surface without increasing press processing load during press-molding of a press molding having a management surface that requires molding accuracy, by providing a clearance for receiving...  
JP7397382B2
A mold (1) is provided with a mold main body (11) including an upper mold (111) and a lower mold (112), and a cooling means (12). At least one of a forming surface (113) of the upper mold (111) and a forming surface (115) of the lower mo...  
JP7395779B1
An object of the present invention is to provide a mold device that can provide convenience to related parties. [Solution] A mold device 1 is a mold device that is attached to a press machine and press-works a workpiece (coil material W)...  
JP2023551083A
The present invention includes a step of charging a blank into a heating furnace; a step of heating the blank; and a step of transferring the heated blank from the heating furnace to a mold; and an air-cooling time of the blank in the st...  
JP7390222B2
To increase productivity of a product by eliminating dismantling work on a product and removal working on a joint trace on the product.A die set 10 comprises a push-up part 34 for pushing up a product part Wm relative to a remainder mate...  
JP7388512B1
An object of the present invention is to provide a can manufacturing method that performs air assist, which allows a punch to be smoothly removed from a processed can by appropriately performing air assist. [Solution] A method for manufa...  
JP7384728B2
A manufacturing method of a plate member, in which a strip material can be positioned with respect to a die all through stamping operations using a pilot hole formed in an initial phase of the stamping operations. The plate member is man...  
JP7382800B2
To surely suppress the bending of a member for supporting a far-infrared heater even when a heating furnace is operated for a long period of time.A heating furnace 10 includes a heating unit 13-1 having blocks 16a-16f arranged to surroun...  
JP7381438B2
The die cushion device according to the present invention includes a first hydraulic cylinder 120 and a second hydraulic cylinder 130 that are independently and simultaneously controlled. When a cushion pad 110 is pre-pressurized, pressu...  
JP7381294B2
A control apparatus of a machine tool includes: a slide position control unit configured to control a slide according to operation patterns; a pressure command generation unit configured to generate a pressure command for a die cushion a...  
JP7376831B2
A hot press line (100) includes: a heating device (30); a first press device (10) having first die parts (1A, 1B); a second press device (20) having second die parts (2A, 2B); a first transportation device (41) that transports a metal sh...  
JP2023160760A
To ensure good deformability of a packaging material without having a disadvantageous effect on a forming process and on the packaging material.A forming device has a die (8) with at least one recess (10), a punch (20) for forming a pack...  
JP7368689B2
To provide a mold set which molds a motor vehicle exterior panel, in which deterioration of panel rigidity is inhibited, while reducing manufacturing costs and labor, and to provide a manufacturing method of the motor vehicle exterior pa...  
JP7368777B2
The die (10) includes a die base (12), a die body (11), and an opening/closing member (13). In the die base (12), a storage portion (122) for storing refrigerant is formed. The die body (11) includes a mounting surface (112), a forming s...  
JP2023156887A
To prevent a resin material from leaking to an unintended place, in an apparatus and a method for manufacturing a metal-resin composite.An apparatus 50 is for press-molding a metal plate 10 and a resin material 20 to manufacture a metal-...  
JP7368778B2
A die (10) includes a die body (11) and a removable shell (13). The die body (11) includes a supply flow channel (113). The supply flow channel (113) is formed inside the die body (11). One end of the supply flow channel (113) opens at t...  
JP2023156888A
To suppress a resin material from leaking to an unintended place, in an apparatus and a method for manufacturing a metal-resin composite.An apparatus 50 is for press-molding a metal plate 10 and a resin material 20 to manufacture a metal...  
JP7364994B1
The press molding apparatus includes a first mold and a second mold that are located at positions facing each other in the pressing direction and move relative to each other in the pressing direction. The first mold includes a first supp...  
JP7364905B2
To provide a tool having a relatively simple shape within the range of conventional mold structures, that can suppress occurrence of cracks in a flange portion of a press-formed product when used.A method for manufacturing a press-formed...  
JP7364904B2
To provide a tool having a relatively simple shape within the range of conventional mold structures, that can suppress occurrence of cracks in a flange portion of a press-formed product when used.A method for manufacturing a press-formed...  
JP2023152358A
To provide a bottomed cylindrical body which is made of a metal and has a dome-like bottom without wrinkles.There is provided a bottomed cylindrical body 10 made of a metal which has a ground contact part 5, a rising part 6 extending upw...  
JP2023148085A
To provide a drawing method to mold a press product with a protrusion having a large draw depth by minimizing inflow of material to be molded with high accuracy and low cost.A method applying drawing work as press work to a blank materia...  
JP2023149445A
To provide a square can manufacturing method and a square can manufacturing device that suppress occurence of ununiformity in thickness of a long side wall without increasing cost of manufacture.A square can manufacturing method includes...  
JP2023149446A
To provide a square can manufacturing method and a square can manufacturing device that can improve form accuracy of a square can while suppressing increase in manufacturing burden.A square can manufacturing method includes a form correc...  
JP2023148082A
To provide a drawing method to mold a press product such as a press product with a protrusion having a large draw depth by minimizing inflow of material to be molded with high accuracy and low cost.A method applying drawing work as press...  
JP7359707B2
To provide a production method for a press-molded article capable of inhibiting springback when forming a curved protrusion strip part.One embodiment of this disclosure is a production method for a press-molded article for obtaining that...  

Matches 451 - 500 out of 4,368