ClassID:

38577

B21D22/18 - CPC Classification

Classification description:

Shaping without cutting, by stamping, spinning, or deep-drawing; Spinning using tools guided to produce the required profile

Sub-classes:
Recent Application in this class:
#1
20260061473
2026-03-05

NEAR-ISOTHERMAL HOT SPIN FORMING METHOD AND HEAT COMPLEMENTING METHOD FOR METAL WORKPIECE

#2
20250162014
2025-05-22

WHEEL DISC FOR VEHICLE WHEELS, METHOD OF MANUFACTURE AND VEHICLE WHEEL

#3
20240316615
2024-09-26

METHOD AND DEVICE FOR PRODUCING A ROLLING BEARING CAGE FROM A SLEEVE-LIKE BLANK

#4
20240226983
2024-07-11

COUNTER-ROLLER ACTIVE POWER FLEXIBLE SPINNING DEVICE FOR LARGE CYLINDER

#5
20230358578
2023-11-09

Steel barrel rotation assembly

#6
20210319570
2021-10-14

Deformation processing support system and deformation processing support method

#7
20210121931
2021-04-29

Method for incrementally forming

#8
20210023602
2021-01-28

Full-electric servo vertical three-counter-roller driving power spinning device

#9
20200298299
2020-09-24

Spinning forming method

#10
20200164422
2020-05-28

Method and apparatus for impacting metal parts

#11
20200130039
2020-04-30

Appartus and method for steering metal pipe during grooving process

#12
20190160509
2019-05-30

Spinning method and spinning apparatus

#13
20190024549
2019-01-24

Method for forming a collar in a muffler housing

#14
20190017815
2019-01-17

Deformation processing support system and deformation processing support method

#15
20180093316
2018-04-05

METHOD AND APPARATUS FOR FORMING A COMPOUND CURVATURE METAL SKIN

#16
20170182543
2017-06-29

Online roundness correcting device for semifinished wheel

#17
20170144208
2017-05-25

Spinning forming device

#18
20170021405
2017-01-26

Spinning forming method

#19
20160325335
2016-11-10

Spinning forming device

#20
20160052036
2016-02-25

Spinning method and spinning apparatus

#21
20150343511
2015-12-03

Apparatus for manufacturing long-neck flange by applying roller spinning and method therefor

#22
20150209991
2015-07-30

Spinning forming method and spinning forming apparatus

#23
20150202677
2015-07-23

Spinning forming apparatus and forming method

#24
20150034235
2015-02-05

Formed sheet metal composite tooling

#25
20140102158
2014-04-17

METHOD OF TUBE-NECKING SPINNING AND APPARATUS THEREFOR

#26
20140068945
2014-03-13

Method of producing tailored tubes

#27
20130263639
2013-10-10

Metal plate forming method

#28
20130247636
2013-09-26

Flow formed spline and design suitable for burr free machining

#29
20130152652
2013-06-20

Spin forming process and apparatus for manufacturing articles by spin forming

#30
20130098828
2013-04-25

Method For Making A Bag Filter Housing

#31
20130025438
2013-01-31

Contoured Thickness Blank for Ammunition Cartridges

#32
20120012024
2012-01-19

Contoured thickness blank for ammunition cartridges

#33
20110241413
2011-10-06

WHEEL FOR VEHICLE

#34
20110180471
2011-07-28

Method for making a bag filter housing

#35
20110061513
2011-03-17

Musical instrument and method of forming a surface thereof

#36
20090293688
2009-12-03

Metal forming machine and method for spinning/flow forming

#37
20090250834
2009-10-08

Formed sheet metal composite tooling

#38
20090226272
2009-09-10

Deformation machining systems and methods

#39
20090217725
2009-09-03

Flow formed spline and design suitable for burr free machining

#40
20090205386
2009-08-20

Method for forming an end portion of a cylindrical workpiece

#41
20080028609
2008-02-07

Hollow member, manufacturing method thereof, fluid distribution system using the hollow member, and forming apparatus of hollow material

#42
20060090530
2006-05-04

Method of producing individualized vehicle parts, particularly individualized vehicle body skin parts consisting of series-produced vehicle body skin parts, as well as vehicle body skin parts manufactured by this method

#43
20060016234
2006-01-26

Apparatus and method for production of tapered steel pipe

#44
14675465
2020-03-03

Method and apparatus for impacting metal parts