ClassID:

37836

B21B27/024 - CPC Classification

Classification description:

Rolls, roll alloys or roll fabrication ; Lubricating, cooling or heating rolls while in use; Shape or construction of rolls Rolls for bars, rods, rounds, tubes, wire or the like

Sub-classes:
Recent Application in this class:
#1
20260138166
2026-05-21

WIRE ROLLER, AND WIRE ROLLER ASSEMBLY

#2
20240326115
2024-10-03

Apparatus and Method for Producing a Peripheral Groove in an End Portion of a Metal Tube

#3
20220170139
2022-06-02

CALCIUM-BEARING MAGNESIUM AND RARE EARTH ELEMENT ALLOY AND METHOD FOR MANUFACTURING THE SAME

#4
20210339304
2021-11-04

Apparatus and method for producing a peripheral groove in an end portion of a metal tube

#5
20210129459
2021-05-06

Device having free-running cooling rollers for producing a fibre composite material in the form of a fibre strip impregnated with polymer

#6
20200094304
2020-03-26

Apparatus and Method for Producing a Peripheral Groove in an End Portion of a Metal Tube

#7
20200086376
2020-03-19

Threading method, rolling head, apparatus, module and production line for pipe thread, and products thereof

#8
20200017939
2020-01-16

Calcium-bearing magnesium and rare earth element alloy and method for manufacturing the same

#9
20180290200
2018-10-11

Bending forge rolling

#10
20180290192
2018-10-11

SHAPED ROLLER FOR A PROFILING LINE

#11
20180071802
2018-03-15

Rolling mill roll

#12
20170216896
2017-08-03

Method for producing hot-rolled seamless pipes having thickened ends

#13
20170058999
2017-03-02

Apparatus for processing surface of workpiece

#14
20160059293
2016-03-03

Roller for roll forming

#15
20160059287
2016-03-03

Roller with compound angle flange

#16
20150336218
2015-11-26

METHOD FOR REGENERATING AND/OR INCREASING THE DURABILITY OF A MILL ROLL

#17
20150283592
2015-10-08

Multi-roll table ring-rolling mill as well as method for rolling rings in a multi-roll table ring-rolling mill

#18
20150273548
2015-10-01

Method of manufacturing rectangular tube having stepped portion

#19
20140230513
2014-08-21

Rolling stand for tubes or rounds

#20
20140124721
2014-05-08

Post-forming method and apparatus

#21
20140013815
2014-01-16

METHOD FOR MANUFACTURING ROLL FOR REDUCING ROLLING, AND ROLL FOR REDUCING ROLLING

#22
20130205860
2013-08-15

Mandrel mill and method for manufacturing seamless pipe or tube

#23
20120174642
2012-07-12

Multi-roll mandrel mill and method of producing seamless tubes

#24
20120125068
2012-05-24

Method for producing seamless tubes by means of a three-roll bar rolling mill

#25
20110265537
2011-11-03

ROLL FOR A ROLLING-MILL

#26
20100251792
2010-10-07

Mandrel mill and method for manufacturing seamless pipe or tube

#27
20100192657
2010-08-05

Rolling stand

#28
20100031725
2010-02-11

Grooved roll for a reducer and a reducer

#29
20100024507
2010-02-04

Rolling mill and roll thereof

#30
20090090153
2009-04-09

RETAINED MANDREL ROLLING MILL FOR SEAMLESS TUBES

#31
20090064748
2009-03-12

Process for manufacturing a seamless tube

#32
20080289391
2008-11-27

Pipe or tube reducing mill and roll for reducing mill

#33
20060260375
2006-11-23

Large strain-introducing working method and caliber rolling device