B21D53/16 - CPC Classification Index

ClassID:

38847 ⎘

B21D53/16 - CPC Classification

Classification description:

Making other particular articles rings, e.g. barrel hoops

Sub-classes:

B21D53/18 » of hollow or C-shaped cross-section, e.g. for curtains, for eyelets 9
B21D53/20 » washers, e.g. for sealing 28

Recent Application in this class:

20220097123

2022-03-31

Method for forming large-size QCr0.8 alloy tapered cylindrical ring

20210129201

2021-05-06

Slew-actuated piercing of radial wall

20200393134

2020-12-17

FIRE PIT RING AND METHOD OF FABRICATING A FIRE PIT RING AND SIMILAR CIRCULAR ARTICLES

20200156140

2020-05-21

Method for producing a welded ring

20200149775

2020-05-14

Sealed and/or reinforced flanged ring connector for single- and double-wall HVAC ducting

20200078843

2020-03-12

Systems and methods for manufacturing a ring from a metal sheet

20190350181

2019-11-21

FISHING ROD TIP

20190331197

2019-10-31

ENDLESS METAL RING AND METHOD OF PRODUCING THE SAME

20190291166

2019-09-26

Fitting member, annular member, joined member and method of manufacturing joined member

#10

20190168285

2019-06-06

METHOD FOR MANUFACTURING RING

#11

20190162265

2019-05-30

Method of making carbon fiber wave spring

#12

20190149021

2019-05-16

Method for manufacturing core plate

#13

20190009323

2019-01-10

Slew-actuated piercing of radial wall

#14

20180339330

2018-11-29

Manufacturing method for cylindrical portion

#15

20180243814

2018-08-30

Method of manufacturing rolling bearing ring

#16

20180214925

2018-08-02

Method and system for producing ring-shaped member for vehicle, and synchronizer ring

#17

20180154626

2018-06-07

COMPONENTS WITH INTEGRAL HARDWARE AND METHOD OF MANUFACTURING SAME

#18

20180066775

2018-03-08

Fitting, ferrule, and ferrule manufacturing method

#19

20180021841

2018-01-25

Ring manufacturing method, ring manufacturing apparatus, and ring manufactured by the ring manufacturing method

#20

20170274441

2017-09-28

Method for manufacturing turbomachine member ring supports

#21

20170246675

2017-08-31

Method for producing a clamping ring

#22

20170225220

2017-08-10

Method for manufacturing cylindrical member

#23

20170216905

2017-08-03

Method for producing a flat spiral spring, and bending device for producing same

#24

20170128994

2017-05-11

Method and system for producing open or closed annular structural components made of light metal and alloys thereof

#25

20170100765

2017-04-13

METHOD OF FORMING A TUBULAR MEMBER

#26

20170006980

2017-01-12

Key ring method and apparatus

#27

20160322036

2016-11-03

Precision drum hoop devices and methods

#28

20160302540

2016-10-20

Article, Method of Forming an Article and Apparatus for Forming an Article

#29

20160138674

2016-05-19

Manufacturing method for multi-layered ring

#30

20150354638

2015-12-10

Synchronizer ring for a synchronization unit of a manual transmission and method for manufacturing such synchronizer ring

#31

20150314395

2015-11-05

Method for producing an endless belt

#32

20150248877

2015-09-03

Precision true hoop for drum

#33

20150167870

2015-06-18

Fitting, ferrule, and ferrule manufacturing method

#34

20150048590

2015-02-19

Frame unit for bicycle and method of manufacturing the same

#35

20150031486

2015-01-29

METHOD AND DEVICE FOR MANUFACTURING ENDLESS METAL RING, AND ENDLESS METAL RING

#36

20140367902

2014-12-18

Ring-shaped spring and method for manufacturing same

#37

20140360242

2014-12-11

Rotor end band

#38

20140138205

2014-05-22

Production method for coned disc spring and clutch apparatus provided with coned disc spring

#39

20140086672

2014-03-27

Clamp ring and method for manufacturing a clamp ring

#40

20130221794

2013-08-29

ROTOR END BAND

#41

20130186727

2013-07-25

Clutch plate and method of producing same

#42

20130008218

2013-01-10

Method of forming a tubular member

#43

20120291923

2012-11-22

Method of manufacturing a laminar ring

#44

20120054990

2012-03-08

Clamp ring design

#45

20120030929

2012-02-09

METHOD FOR PRODUCING A COMPONENT OF A SYNCHRONIZATION DEVICE FOR A MANUAL TRANSMISSION

#46

20100288010

2010-11-18

Method of producing ring member

#47

20100116612

2010-05-13

Production method for coned disc spring and clutch apparatus provided with coned disc spring

#48

20100083727

2010-04-08

PROCESS FOR MANUFACTURING RING-SHAPED MEMBER

#49

20100083725

2010-04-08

PROCESS FOR MANUFACTURING RING-SHAPED MEMBER

#50

20090301162

2009-12-10

Method of making a ring

#51

20090255318

2009-10-15

Method of manufacturing a ring-shaped member

#52

20090212031

2009-08-27

Method for Producing a Sealing Ring

#53

20090158808

2009-06-25

Method for Manufacturing Ring-Shaped Member

#54

20090158803

2009-06-25

Method of Manufactring Ring-Shaped Member

#55

20090049881

2009-02-26

Method of forming a tubular ring

#56

20090008209

2009-01-08

Production method for coned disk spring and clutch unit

#57

20080282501

2008-11-20

Annular disc of bent sheet material

#58

20080196472

2008-08-21

Apparatus and method for forming inside surface of tube stock

#59

20080040922

2008-02-21

METHOD AND APPARATUS FOR MAKING METALLIC, NON-ROTATIONALLY SYMMETRIC RINGS

#60

20070075499

2007-04-05

Housing for Seals, Preferably Radial Shaft Seals, and Method for Manufacturing such a Housing

#61

20070074557

2007-04-05

Annular component fabricating method, die for use in such fabricating method and annular component fabricated thereby

#62

20060107715

2006-05-25

Process for producing tubular ring with beads and die for use therein

#63

20050268686

2005-12-08

Device and method for forming a flanged ring

#64

20050204556

2005-09-22

Method and apparatus for making metallic, non-rotationally symmetric rings

#65

20050072204

2005-04-07

Tolerance ring manufacturing process and apparatus

#66

16232152

2020-01-21

Grommet die device and system