ClassID:

38602

B21D24/14 - CPC Classification

Classification description:

Special deep-drawing arrangements in, or in connection with, presses; Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically

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

PRESS-MOLDING DEVICE

#2
20230150004
2023-05-18

Hot press apparatus and method of manufacturing hot-press-formed product

#3
20220250133
2022-08-11

Device and method for open-loop or closed-loop control of a movement of a die cushion of a die cushion press

#4
20220193748
2022-06-23

Die cushion device

#5
20220008979
2022-01-13

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

#6
20220003250
2022-01-06

Electro-hydrostatic actuator system

#7
20210245468
2021-08-12

Apparatus for the controlled return of the stems in cylinders applied to stamping presses

#8
20200346273
2020-11-05

Mechanical die pressure monitoring system

#9
20200230688
2020-07-23

METHOD AND DEVICE FOR PRODUCING SHAPED SHEET-METAL COMPONENTS BY MEANS OF PREFORMED COMPONENTS

#10
20200188982
2020-06-18

Method for operating a forming press

#11
20200166029
2020-05-28

Method for regulating the output pressure of a hydraulic drive system, use of the method and hydraulic drive system

#12
20200078847
2020-03-12

Press system and method of controlling the same

#13
20190358692
2019-11-28

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

#14
20190270129
2019-09-05

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

#15
20190232353
2019-08-01

Press system

#16
20190168279
2019-06-06

Cushion pin device for press

#17
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

#18
20180318901
2018-11-08

Actuator device

#19
20180117656
2018-05-03

Die cushion device of press machine

#20
20180104736
2018-04-19

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

#21
20180036783
2018-02-08

Die cushion device

#22
20170368589
2017-12-28

Balanced panel punch drive system

#23
20170304887
2017-10-26

Device and method of shim adjusting of die-cushion device

#24
20170182539
2017-06-29

Die cushion device and method of controlling the die cushion device

#25
20170151600
2017-06-01

Slide cushion device of press machine

#26
20170080472
2017-03-23

Die cushion apparatus of press machine and die cushion controlling method

#27
20170008061
2017-01-12

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

#28
20160354828
2016-12-08

Die cushion device of press machine

#29
20160339500
2016-11-24

Cushion pin device for press

#30
20160074920
2016-03-17

Die cushion device and control method of die cushion device

#31
20160008864
2016-01-14

Press apparatus

#32
20150360274
2015-12-17

Die cushion device

#33
20150224557
2015-08-13

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

#34
20150059425
2015-03-05

Cushion pin device for press

#35
20140202223
2014-07-24

Die cushion apparatus of press machine and die cushion controlling method

#36
20140090441
2014-04-03

Die cushion drive and method for operating a die cushion drive

#37
20120175141
2012-07-12

Device and method for the cutting shock damping of work machines

#38
20110265544
2011-11-03

Hydraulic cylinder for a hydraulic drawing cushion

#39
20110226141
2011-09-22

Die cushion device for press machine

#40
20110083487
2011-04-14

Die cushion device for press machine

#41
20100275670
2010-11-04

Press working method and press working apparatus

#42
20100139357
2010-06-10

Method and device for deep drawing blanks made of sheet metal into flangeless moulded blanks

#43
20100043519
2010-02-25

Method and device for controlling the synchronization of cylinder/piston units and for reducing pressure peaks during forming and/or fineblanking on a fineblanking or stamping press

#44
20100018280
2010-01-28

Press-working method, and press-working apparatus

#45
20090071218
2009-03-19

Die cushion apparatus of press machine

#46
20090025449
2009-01-29

CUSHION LOAD CONTROL DEVICE AND PRESS MACHINE HAVING CUSHION LOAD CONTROL DEVICE

#47
20080060407
2008-03-13

High definition door skin and method of manufacturing the same

#48
20070240479
2007-10-18

Press working method and press working apparatus

#49
20060254337
2006-11-16

Device for controlling the drawing process in a transfer press

#50
20050268685
2005-12-08

Method and apparatus for reducing wrinkle formation in deep drawing