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JP6944469B2 |
Respective gaps between a pair of vertical outer surfaces parallel to a pressing direction of a punch and inner surfaces of a cavity portion of a die facing the same, at positions at both ends in a longitudinal direction of the cross-sec...
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JP6944470B2 |
A machining method for a burred flat hole includes first an overhang portion is formed in a flat hole-forming region in a metal plate in a first step, subsequently a flat hole portion is formed in the overhang portion in a second step, a...
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JP2021142560A |
To suppress a core from being broken when inserting the core into a member in applying burring processing to a member, and appropriately make the core contact an inner wall of the member by reducing a gap between the core and the inner w...
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JP2021142561A |
To suppress a core from being broken and appropriately make the core contact an inner wall of a member when inserting the core into the member to apply burring processing to the member.When applying burring processing to a member having ...
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JP2021137832A |
To provide an end surface processing device and an end surface processing method which permits end surface processing of a metal plate by means of a press brake which does not require a hole and does not restrict dimensions of a metal pl...
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JP6920922B2 |
Provided are a forming method and a forming apparatus which can secure strength after forming while suppressing deformation.The forming method of the present invention includes a burring step and a pressing step. In the burring step, a b...
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JP2021104532A |
To provide a removal method for burr of a steel plate hole by which burr when forming a clip hole is deformed or displaced so as not to interfere with fitting of an effective clip length so that when punching a clip hole of a steel plate...
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JP6905394B2 |
To provide a hemming structure which enables application of satisfactory finishing treatment by suppressing lowering in adhesion of a finishing treatment film such as a coating film, an enamel film and a plating film even when the hemmin...
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JP6900941B2 |
To provide a method for manufacturing a muffler cutter, which uses a stainless steel pipe as a work piece and folds back a tip end portion with a gap widened inside.A method for manufacturing a muffler cutter 1 according to the present i...
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JP6900137B1 |
To provide a copper alloy plate material having excellent burring workability even when burring is performed under difficult processing conditions while sufficiently exhibiting strength and conductivity, a method for producing the same, ...
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JP6896687B2 |
After an annular plate is blanked from a metal flat plate in a blanking step, an inner peripheral portion of the annular plate is deformed upward in a burring step. As a result, a hat-shaped intermediate product having an upstanding tubu...
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JP2021091004A |
To enable manufacturing of an injection needle that has a minimum outer diameter that is smaller than those of conventional injection needles manufactured by performing welding or using a coating layer, and that does not generate a defec...
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JP6872423B2 |
To provide a press device for dispensing with not only an individual press molding process for a spring-back correction but also an individual press molding device therefor.When moving an upper die 12 upward after bending-processing a st...
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JP6874534B2 |
To effectively suppress occurrence of cracking of a flange.A method for manufacturing a press-molded product having a top plate with a concaved marginal part which is formed into a concaved shape and a flange which is bent to one side in...
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JP6869407B1 |
[Task] An object of the present invention is to provide a method and an apparatus for manufacturing a washing nozzle in a commercial dishwasher capable of forming a plurality of flanges in the longitudinal direction even with a tubular m...
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JP2021070030A |
To provide a molding method by which bending, folding and so on of a metal plate can be efficiently performed by rotation of a roller, without use of an advance robot and the like.A metal plate molding method according to the present inv...
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JP6866114B2 |
To provide a luminaire capable of preventing water such as rainwater from being accumulated on a light-transmissive cover covering an emission surface, even in a case where the emission surface is used so as to face upward.A luminaire bo...
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JP6850512B1 |
To process a plurality of types of steel plates to which sheets having different thicknesses and expansion / contraction ratios are attached in one line without exchanging press dies, suppress variations in finished state, and have a wal...
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JP2021045788A |
To enable stable forming operation, as well as, realize down-sizing and achieve shortening of an operation by simplifying adjustment on a line.A forming method for press forming a short side end part Sa1 of an unequal angle steel S by a ...
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JP6846267B2 |
To provide a lower die device comprising a work-piece guide component which can smoothly perform lifting a work-piece when lifting the work-piece by a work-piece follow-up device, and a method for bending the work-piece by use of the low...
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JP6849212B2 |
The present invention reduces the possibility of wrinkles forming between a cylindrical part and the periphery of a base thereof. A method for manufacturing a metal member is provided with a cylindrical part forming step S200 and a base ...
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JP6845573B2 |
A hem punch is floating-supported to a slide cam by a floating-support mechanism. After the hem punch is moved to be positioned at a pre-hemming start position by a driver cam, preliminary hemming is performed. Subsequently, the hem punc...
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JP6843576B2 |
To provide a resin coated base material with a screw hole and a screw hole forming method which can securely obtain a female screw with high strength.In a screw hole forming method of a resin coated base material 1 having a resin coated ...
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JP6841271B2 |
A press forming method according to the invention forms a press-formed product 1 that has a top portion 3, a side wall portion 5 continuing from the top portion 3, and a flange portion 7 continuing from the side wall portion 5, and is cu...
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JP6839467B1 |
To realize a method for manufacturing a wall panel capable of extremely increasing the accuracy of external dimensions. In the method for manufacturing a wall panel 30 according to the present invention, a plate material 10 to which a sh...
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JP6837320B2 |
Provided is a power storage device exterior case whereby a large distortion focused on a trihedral angular portion can be suppressed sufficiently, the occurrence of a wrinkle or a crack can be suppressed, and strength can be secured suff...
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JP6838600B2 |
To provide a press working device which can be miniaturized and a press working method using the device.A press working device includes a metallic mold which has a plurality of segments (S1 to S7) each of which is configured to switch a ...
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JP6837718B2 |
To improve workability of hemming processing.A hemming processing device 1 includes: a hemming die 6 for holding an outer panel 2; a first operation device 7 for operating the hemming die 6; a support device 8 for supporting an inner pan...
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JP6830515B2 |
Systems and methods produce or provide a folded connection, sealed by means of an adhesive composition, between a first sheetlike element and a second sheetlike element. The systems and methods bond a second flange of the second sheetlik...
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JP6830915B2 |
To provide a side outer panel and a press method of a side outer panel capable of upgrading the appearance of a garnish.In a side outer panel, a side-view end shape of a quarter part has a curve 14 between straight lines 12 and 13a, and ...
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JP6827155B1 |
To provide a die capable of exchanging only a part corresponding to the changed part when only a part of the edge portion of the set plate-shaped work is changed. A die 10 includes a positioning body 20 for positioning a work 90 to be se...
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JP2021010948A |
To provide means for processing a burred hole without impairing productivity although a structural component has a thin link part.A burring method includes: a binding process for binding an intermediate component W between an upper die 2...
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JP6803103B1 |
To realize a method for manufacturing a wall panel capable of extremely increasing the accuracy of external dimensions. In the method of manufacturing a wall panel 30 according to the present invention, a plate material 10 to which a she...
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JP6801872B2 |
PURPOSE: To provide a positioning guide device which improves a degree of design freedom of a roller hemming processor and has a low price by providing a compact positioning guide devices.A roller hemming processor restricts a workpiece ...
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JP2020196046A |
To obtain a joint component making downsizing and mechanical strength compatible while keeping dimensional accuracy of burring, in manufacturing of the joint component having a flange and a projection made by burring.When manufacturing a...
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JP6791102B2 |
To provide a plate type heat exchanger that enables reliable joining of a nozzle in a simple configuration when the nozzle is joined on the outermost layer of the heat transfer plate.A plate type heat exchanger comprises: a laminate obta...
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JP6792077B2 |
The reinforcement member includes a body made of a press hardened steel having a tensile strength greater or equal to 1200 MPa. The body is coated with a zinc-based coating or with an aluminum-based coating and extends along a main direc...
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JP2020185587A |
To provide a sharp bending tool for hemming which can suitably perform sharp bending regardless of the level of skill of an operator.A sharp bending tool 1 for hemming performs sharp bending of a flange-like marginal part 3 by performing...
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JP6786468B2 |
To provide a vehicle structural member with high shock absorption capacity which suppresses breakage and crack of a junction part caused by member deformation in collision.A vehicle structural member includes a first member 1 which is fo...
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JP2020177339A |
To provide an operation pedal capable of realizing a smooth motion of the operation pedal without increasing the number of components, and further improving the endurance strength.A brake pedal 1 made of a metal plate material comprises:...
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JP2020154446A |
To obtain an information processing apparatus and an information processing program which reduce user's man-hours required for determining whether a distance from one processing part to another processing part is equal to or longer than ...
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JP2020146724A |
To provide a manufacturing method of a hollow handle body capable of surely welding joining without restraining a welding of a metallic half hollow handle plate pre-divided into two pieces in the present invention.A manufacturing method ...
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JP6750491B2 |
To provide a stay for a headrest in which a tip part made in a convex spherical shape for securing safety can be manufactured at a low cost.A tip part 11b of a leg part 11 of a stay 2 includes a tip spherical part 20 having an external c...
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JP6748149B2 |
To mold a member by press molding of a successive feed type while restraining dripping.An object plate material comprises a plate-like body part and a bent part which is bent to the projection side from an edge of the body part. The obje...
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JP6746823B1 |
To reduce a difference in chamfering amount between a concave portion and a convex portion in a brake disc having a corrugated portion in which concave portions and convex portions are repeatedly formed over the outer periphery. In the b...
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JP6741224B2 |
To provide a method for manufacturing a joint pipe by which a joint pipe comprising a flange-like bead part formed on an outer periphery of a shell can be manufactured more easily and suitably than a conventional one.A method for manufac...
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JP2020122492A |
To inexpensively and efficiently manufacture a slinger for a rotation seal which can suppress the wear of a seal lip part while securing an oil film holding property between a slide contact face of the slinger and the seal lip part.A man...
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JP6734232B2 |
A method for joining members according to an embodiment of the present invention includes: providing a bumper stay 10 including two integrated pipe portions 11 extending in an identical direction, the bumper stay 10 including a recess 13...
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JP6726733B2 |
The present invention generally relates to assembly equipment of valve body, especially to riveting and grinding assembly for nozzle of screw shaft valve. The invention may include a rack, a power control box, a turntable and a turntable...
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JP6721593B2 |
There is provided a hole widening method including a preparing process of preparing a forming tool which has a diameter-increasing portion increasing in diameter from a front end side toward a rear end side and a line-shaped projection f...
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