ClassID:

38649

B21D28/20 - CPC Classification

Classification description:

Shaping by press-cutting; Perforating; Punching blanks or articles with or without obtaining scrap ; Notching Applications of drives for reducing noise or wear

Recent Application in this class:
#1
20210060635
2021-03-04

Device for manufacturing laminated iron core and method for manufacturing laminated iron core

#2
20190374990
2019-12-12

Wedge drive and method for producing a wedge drive having optimized guidance

#3
20190054516
2019-02-21

Punch press

#4
20180297099
2018-10-18

PUNCHING DEVICE

#5
20170136519
2017-05-18

Punching a workpiece

#6
20170129000
2017-05-11

Method and apparatus for reducing cutting impact in a precision blanking press

#7
20170008186
2017-01-12

Apparatus and method for stripping away/pushing out a punched grid/internally formed part and ejecting a blanked part in a precision blanking press

#8
20160263853
2016-09-15

Forming press

#9
20160030994
2016-02-04

NOTCHER

#10
20150158073
2015-06-11

Device and method for preventing a tool from breaking when fine blanking and/or forming a workpiece

#11
20140326116
2014-11-06

DIE COMPONENT FOR A PRESS DEVICE

#12
20140260498
2014-09-18

Forming press

#13
20140090443
2014-04-03

Machine tool for processing workpieces

#14
20120175141
2012-07-12

Device and method for the cutting shock damping of work machines

#15
20120037605
2012-02-16

Tool holding system

#16
20110308294
2011-12-22

Punch press oscillating tool insert

#17
20110132164
2011-06-09

PUNCHING MACHINE WITH COMPACT FRAME

#18
20110100184
2011-05-05

Tool press drive

#19
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

#20
20080196471
2008-08-21

Method and device for cutting high-tensile sheet metal, and press

#21
20070101841
2007-05-10

Press with cutting shock dampening

#22
20070062360
2007-03-22

Power cutter for hardened steel workpiece

#23
20060150706
2006-07-13

Wedge driving tool having mutually adjustable elements for the cutting and/or non-cutting shaping of a sheet metal workpiece in a press

#24
20060144831
2006-07-06

Tool holding system