ClassID:

38596

B21D24/02 - CPC Classification

Classification description:

Special deep-drawing arrangements in, or in connection with, presses Die-cushions

Recent Application in this class:
#1
20260124662
2026-05-07

PRESS-MOLDING DEVICE

#2
20240175493
2024-05-30

Tube in tube lubrication for a gas cylinder

#3
20240109115
2024-04-04

PRESS FORMING DEVICE AND PRESS FORMING METHOD

#4
20240009949
2024-01-11

DIE CUSHION CONTROL DEVICE, DIE CUSHION CONTROL METHOD, AND STORAGE MEDIUM

#5
20220325770
2022-10-13

GAS SPRING

#6
20220203643
2022-06-30

Die cushion device

#7
20220193748
2022-06-23

Die cushion device

#8
20220106997
2022-04-07

Piston cylinder device with protection arrangement and method of protecting a piston cylinder device against overload or failure of the piston cylinder device

#9
20220008979
2022-01-13

Variable pulsating, gap control, auto-learning press cushion device

#10
20210129474
2021-05-06

Control apparatus of machine tool for processing object to be processed on die cushion

#11
20210121932
2021-04-29

Die cushion device and method for controlling die cushion device

#12
20200171774
2020-06-04

Load detection device and control method of load detection device

#13
20200101509
2020-04-02

Press forming device and method for producing press-formed articles

#14
20200094305
2020-03-26

Method for manufacturing iron core

#15
20200078847
2020-03-12

Press system and method of controlling the same

#16
20200078846
2020-03-12

Draw-in control for sheet drawing

#17
20200023418
2020-01-23

Press form device and method for producing press-formed articles

#18
20190358692
2019-11-28

Double-blank detecting apparatus for press machine and die protecting apparatus for press machine

#19
20190331188
2019-10-31

Piston cylinder device with protection arrangement and method of protecting a piston cylinder device against overload or failure of the piston cylinder device

#20
20190283101
2019-09-19

Molded material production method and molded material

#21
20190270129
2019-09-05

Cushion pin pressure equalizing device, die cushion device with cushion pin pressure equalizing function and cushion pin pressure equalizing method

#22
20190232353
2019-08-01

Press system

#23
20190168279
2019-06-06

Cushion pin device for press

#24
20190084026
2019-03-21

PRESS MOLDING METHOD AND PRESS MOLDING APPARATUS

#25
20190076905
2019-03-14

Wrinkle generation detecting device, die cushion device and die protection device, and wrinkle generation detecting method, die cushion force automatic setting method and die protecting method

#26
20190001602
2019-01-03

Servo motor controller

#27
20180354219
2018-12-13

Double blank detecting device for press machine and die protecting device for press machine

#28
20180290196
2018-10-11

Shock absorber and press apparatus using the same

#29
20180281045
2018-10-04

Toolpack for manufacturing containers

#30
20180264533
2018-09-20

Stamping Press Bolster Adaptor For Suiting Different Die Binder Pin Patterns

#31
20180243811
2018-08-30

Die cushion device

#32
20180154419
2018-06-07

Sliding frictional force generation mechanism by fitting and die cushion for press machine

#33
20180154416
2018-06-07

Sheet metal forming method and apparatus

#34
20180117656
2018-05-03

Die cushion device of press machine

#35
20180104736
2018-04-19

Variable pulsating, gap control, auto-learning press cushion device

#36
20180104732
2018-04-19

Draw die and binder lock

#37
20180036783
2018-02-08

Die cushion device

#38
20180023651
2018-01-25

Spring deflection control assembly

#39
20170304887
2017-10-26

Device and method of shim adjusting of die-cushion device

#40
20170266709
2017-09-21

Cushion pin

#41
20170246672
2017-08-31

Metal stamping tool with a hybrid magnetorheological-nitrogen spring

#42
20170182539
2017-06-29

Die cushion device and method of controlling the die cushion device

#43
20170151600
2017-06-01

Slide cushion device of press machine

#44
20170080472
2017-03-23

Die cushion apparatus of press machine and die cushion controlling method

#45
20170008061
2017-01-12

Die cushion-cum-slide cushion device and method of controlling the same

#46
20160354828
2016-12-08

Die cushion device of press machine

#47
20160339500
2016-11-24

Cushion pin device for press

#48
20160271675
2016-09-22

DIE CUSHION SYSTEM FOR PRESS MACHINE

#49
20160221068
2016-08-04

Hat-shaped cross-section component manufacturing apparatus

#50
20160207093
2016-07-21

Device for forming a sheet-metal workpiece

#51
20160184876
2016-06-30

Apparatus and method for checking inclination of cushion pad

#52
20160074920
2016-03-17

Die cushion device and control method of die cushion device

#53
20160059296
2016-03-03

Press-forming tool with tolerance compensation

#54
20160008864
2016-01-14

Press apparatus

#55
20150360274
2015-12-17

Die cushion device

#56
20150224563
2015-08-13

Method for producing curved part, and skeleton structure member of body shell of automobile

#57
20150224557
2015-08-13

Hydraulic drawing cushion of a drawing press and method of operating the hydraulic cushion

#58
20150185726
2015-07-02

Die cushion force control method and die cushion device

#59
20150093591
2015-04-02

Method for producing pot-shaped components in a shaping process

#60
20150059425
2015-03-05

Cushion pin device for press

#61
20140366606
2014-12-18

Die cushion force setting apparatus

#62
20140305177
2014-10-16

Die cushion force control method and die cushion apparatus

#63
20140260495
2014-09-18

Drawing method and servo press system

#64
20140202223
2014-07-24

Die cushion apparatus of press machine and die cushion controlling method

#65
20140137624
2014-05-22

DIE CUSHION SYSTEM AND METHOD

#66
20140090441
2014-04-03

Die cushion drive and method for operating a die cushion drive

#67
20130327115
2013-12-12

Load-applying device, press-forming die, and press-forming method

#68
20130199258
2013-08-08

Method for producing press-formed product

#69
20120297853
2012-11-29

Press-forming method of component with L shape

#70
20120042770
2012-02-23

Gas cylinder actuator with safety system for controlled ejection of the piston stem

#71
20110265544
2011-11-03

Hydraulic cylinder for a hydraulic drawing cushion

#72
20110226141
2011-09-22

Die cushion device for press machine

#73
20110154878
2011-06-30

Press molding device and press molding method

#74
20110083487
2011-04-14

Die cushion device for press machine

#75
20110045113
2011-02-24

Die cushion device

#76
20110036140
2011-02-17

Die cushion device

#77
20100236318
2010-09-23

Press-processing method, and press-processing apparatus

#78
20100207566
2010-08-19

Control device for servo die cushion

#79
20100083726
2010-04-08

Reaction device for forming equipment

#80
20100018280
2010-01-28

Press-working method, and press-working apparatus

#81
20100000280
2010-01-07

Expandable member with wave inhibitor and methods of using the same

#82
20090230910
2009-09-17

NUMERICAL CONTROLLER HAVING FUNCTION TO SWITCH BETWEEN PRESSURE CONTROL AND POSITION CONTROL

#83
20090158810
2009-06-25

Die cushion device of pressing machine

#84
20090139812
2009-06-04

SHOCK ABSORBER FOR MOVABLE TOOLS

#85
20090078016
2009-03-26

Die cushion controller

#86
20090071218
2009-03-19

Die cushion apparatus of press machine

#87
20090025444
2009-01-29

Die cushion control device

#88
20080141751
2008-06-19

Pressing machine with die cushion device

#89
20080141668
2008-06-19

Electrohydraulic drawing press cushion drive

#90
20080127838
2008-06-05

Die cushion device

#91
20080066515
2008-03-20

Method for changing force control gain and die cushion control apparatus

#92
20080060407
2008-03-13

High definition door skin and method of manufacturing the same

#93
20080016929
2008-01-24

Striker plate and sheet-metal forming tool comprising such a striker plate

#94
20070204448
2007-09-06

Reaction device for forming equipment

#95
20070113613
2007-05-24

Die cushion apparatus of press machine

#96
20070084264
2007-04-19

Die cushion controller

#97
20070051155
2007-03-08

Control device for a die cushion mechanism

#98
20070006632
2007-01-11

Die cushion mechanism, and device and method for controlling the same

#99
20070006631
2007-01-11

Control device for press machine

#100
20070006630
2007-01-11

Control system for servo die cushion

#101
20070006629
2007-01-11

Control device for servo die cushion

#102
20060284353
2006-12-21

Cushion and cushion cylinder for ram or bolster of a press

#103
20060267535
2006-11-30

Controller for die cushion mechanism

#104
20060254337
2006-11-16

Device for controlling the drawing process in a transfer press

#105
20060169018
2006-08-03

Die cushion control device

#106
20060107724
2006-05-25

Control device for die cushion mechanism

#107
20060107723
2006-05-25

Die cushion drive system

#108
20060101888
2006-05-18

Stabilizer of drawing die and stabilizer unit of the same

#109
20060090656
2006-05-04

Die cushion mechanism, and apparatus and method for controlling the same

#110
20060090534
2006-05-04

Die cushion mechanism, and apparatus and method for controlling the same

#111
20060090533
2006-05-04

Die cushion controller

#112
20060010954
2006-01-19

Die cushion apparatus of press machine

#113
20050262915
2005-12-01

Die cushion apparatus

#114
20050051935
2005-03-10

Cushion and cushion cylinder for ram or bolster of a press

#115
18963459
2025-04-15

Devices and methods for controllable forging of forming flow line of complex-shaped component