ClassID:

39050

B21H1/20 - CPC Classification

Classification description:

Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling rolled longitudinally

Recent Application in this class:
#1
20220388050
2022-12-08

Spinning device and spinning method

#2
20220362827
2022-11-17

Stretch rolling device and stretch rolling method

#3
20220040749
2022-02-10

COMPRESSIVE FORMING PROCESSES FOR ENHANCING COLLAPSE RESISTANCE IN METALLIC TUBULAR PRODUCTS

#4
20210394250
2021-12-23

Apparatus and method for profiling workpieces by cold forming

#5
20180250725
2018-09-06

Device for forming round bar into variable shapes

#6
20180229289
2018-08-16

Compressive forming processes for enhancing collapse resistance in metallic tubular products

#7
20170328400
2017-11-16

Method for producing a profiled hollow shaft for a telescopic steering shaft and telescopic steering shaft

#8
20170246669
2017-08-31

Grooved wire and system and method for manufacturing grooved wire

#9
20170241472
2017-08-24

Steering shaft and method for producing a profiled hollow shaft for a telescopic steering shaft of a motor vehicle

#10
20170100757
2017-04-13

Tool changeover system and method

#11
20170028454
2017-02-02

Method for roll-forming disk carriers or the like and the associated profile roller set

#12
20160318082
2016-11-03

Method and device for producing tapering pipe sections on ground screw foundations

#13
20160104993
2016-04-14

Rotary crimping tool assembly

#14
20150224552
2015-08-13

Tool changeover system and method as well as roll

#15
20130174628
2013-07-11

Method and device for producing conical pipe sections in helical foundations

#16
20130115025
2013-05-09

Production method for a semi-finished product and semi-finished product

#17
20130111964
2013-05-09

Production method for a semi-finished product

#18
20090266132
2009-10-29

Method and device for the manufacture of multiple grooved wire

#19
20090199924
2009-08-13

Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method

#20
20090126440
2009-05-21

Device and method for producing profiled bodies

#21
20080148797
2008-06-26

Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method

#22
20070289349
2007-12-20

Method for producing longitudinal grooves in cylindrical workpieces

#23
20070113611
2007-05-24

Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method

#24
20060201223
2006-09-14

Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method

#25
20050183485
2005-08-25

Roll preshaping