B21D31/04 - CPC Classification Index

ClassID:

38668 ⎘

B21D31/04 - CPC Classification

Classification description:

Other methods for working sheet metal, metal tubes, metal profiles Expanding other than provided for in groups - , e.g. for making expanded metal

Sub-classes:

B21D31/043 » {Making use of slitting discs or punch cutters} 15
B21D31/046 » {making use of rotating cutters} 9

Recent Application in this class:

20230158618

2023-05-25

Treatment process for a centrifugal compressor wheel to extend low-cycle fatigue life

20220132908

2022-05-05

Inductively heatable aerosol-generating article, method for manufacturing such an article and an apparatus for manufacturing a susceptor of such an article

20210154725

2021-05-27

Swage tool

20210086247

2021-03-25

Device for the production of appropriately configured roll assemblies of expanded aluminium mesh adapted to efficiently fill fuel containers

20200316512

2020-10-08

EXPANDED METAL FILTERS

20200254502

2020-08-13

UNITARY EXPANDED METAL MESH HAVING LINEAR DOWN-ROLL STRANDS

20200086373

2020-03-19

Expanded metal formed using rotary blades and rotary blades to form such

20190337039

2019-11-07

Method and device for expanding a metal element

20190091753

2019-03-28

SYSTEMS AND METHODS FOR TREATING AN ENGINE FLANGE

#10

20190070654

2019-03-07

Smart installation/processing systems, components, and methods of operating the same

#11

20190039110

2019-02-07

MANUFACTURING ULTRA-HIGH STRENGTH LOAD BEARING PARTS USING HIGH STRENGTH/LOW INITIAL YIELD STEELS THROUGH TUBULAR HYDROFORMING PROCESS

#12

20180304186

2018-10-25

Expanded metal filters

#13

20180297108

2018-10-18

Method and Device for Producing a Ring-Shaped Formed Part

#14

20180243812

2018-08-30

Forming device and method for forming an inner rim of an annular round blank

#15

20180065165

2018-03-08

Method for superplastic forming a multilayer structure having a monolithic attachment member

#16

20180010602

2018-01-11

High-pressure pump and production method thereof

#17

20170304948

2017-10-26

Interlocking flexible segments formed from a rigid material

#18

20160084412

2016-03-24

COUPLING BARREL AND METHODS OF PRODUCING THEREOF

#19

20150174708

2015-06-25

Tool and Device for Cold Expansion of Holes

#20

20150165507

2015-06-18

Forming Tool and Method for Enlarging an Opening by Means of an Enlarging Device

#21

20150114071

2015-04-30

Cold working holes in a composite and metal stack

#22

20140260501

2014-09-18

Method for forming non-rectangular section ring from rectangular section ring

#23

20140208816

2014-07-31

Apparatus for correcting deformation of reaction vessel and method for correcting deformation therefor

#24

20140202576

2014-07-24

Method for producing welded steel pipe and welded steel pipe

#25

20140162175

2014-06-12

Fuel cell and manufacturing method of expanded metal

#26

20140083151

2014-03-27

Electrode assembly for electro-hydraulic forming process

#27

20140072825

2014-03-13

Stamped carrier

#28

20130333172

2013-12-19

EXPANDED METAL AND PROCESS OF MAKING THE SAME

#29

20130224081

2013-08-29

Gas cleaning system having a gas flow rectifier

#30

20130204422

2013-08-08

Smart installation/processing systems, components, and methods of operating the same

#31

20130200543

2013-08-08

Smart installation/processing systems, components, and methods of operating the same

#32

20130180306

2013-07-18

Compliant expansion swage

#33

20130168261

2013-07-04

ANODE FOR CATHODIC PROTECTION AND METHOD FOR MANUFACTURING THE SAME

#34

20120144792

2012-06-14

EXPANDED METAL AND PROCESS OF MAKING THE SAME

#35

20120121924

2012-05-17

SPEAKER COVER

#36

20120111080

2012-05-10

Electrode assembly for electro-hydraulic forming process

#37

20120067015

2012-03-22

Expanded metal filters

#38

20110232900

2011-09-29

Compliant expansion swage

#39

20110232355

2011-09-29

Dynamic load expansion test bench and method of expanding a tubular

#40

20110067372

2011-03-24

Expanded metal and process of making the same

#41

20110061436

2011-03-17

EXPANDED METAL FILTERS

#42

20100089592

2010-04-15

Compliant expansion swage

#43

20100043511

2010-02-25

ACTIVE RECONFIGURABLE STRETCH FORMING

#44

20100000284

2010-01-07

Device and method for widening metal elements

#45

20090235506

2009-09-24

Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock

#46

20090184504

2009-07-23

Expanded metal filters

#47

20090000205

2009-01-01

Reinforced Sealing, Trimming or Guiding Strips

#48

20080263841

2008-10-30

Method for Production of Expanded Material and Cutting Device for the Same

#49

20070193009

2007-08-23

Method and apparatus for continuous manufacture of battery grids

#50

20060137168

2006-06-29

Method for producing drawn coated metals and use of said metals in the form of a current differentiator for electrochemical components

#51

20060131037

2006-06-22

Flame arrester

#52

20050053886

2005-03-10

Flame arrester

#53

20050016240

2005-01-27

Method and apparatus for forming a turbulizer

#54

16520555

2020-08-11

Integrated method for forming and performance control of NiAl alloy thin-walled tubular parts

#55

15005160

2019-12-31

Color-coated gutter cover of expanded metal and method of manufacture

#56

13896699

2017-05-23

Lattice reinforced armor array