ClassID:

37833

B21B27/02 - CPC Classification

Classification description:

Rolls, roll alloys or roll fabrication ; Lubricating, cooling or heating rolls while in use Shape or construction of rolls

Sub-classes:
Recent Application in this class:
#1
20260124655
2026-05-07

PRE-CALENDERING SYSTEM FOR REDUCING STRAIN IMBALANCES IN MULTILANE ELECTRODES

#2
20250162017
2025-05-22

ROBOTIC DEEP ROLLING TOOL DESIGN FOR MECHANICAL SURFACE TREATMENT OF EXTREMELY COMPLEX AND TIGHT CLEARANCE BLADE ROOT GEOMETRY

#3
20250010367
2025-01-09

Roller Surface Hardening

#4
20240383025
2024-11-21

FORGED STEEL ROLL FOR COLD ROLLING

#5
20240253102
2024-08-01

ROLLING STATE OBSERVATION APPARATUS AND ROLLING STATE OBSERVATION METHOD

#6
20240052460
2024-02-15

Sheet steel having a deterministic surface structure

#7
20230302513
2023-09-28

Rolling die and method for manufacturing same

#8
20230201899
2023-06-29

Sheet steel having a deterministic surface structure

#9
20230108451
2023-04-06

Electrode Manufacturing Device

#10
20230054014
2023-02-23

Method for producing seamless metal tube

#11
20230042220
2023-02-09

Method for obtaining rolling mill rolls with a coating of tungsten carbide alloy, and resulting roll

#12
20230015044
2023-01-19

METHOD FOR MANUFACTURING ROLL MOLD, ROLL MOLD MANUFACTURING APPARATUS, NON-TRANSITORY COMPUTER READABLE MEDIUM, MICROLENS ARRAY, AND ROLL MOLD

#13
20220214074
2022-07-07

ROLLER MEMBER FOR USE IN AN APPARATUS FOR CLOSING PITTSBURGH SEAMS ASSOCIATED WITH DUCT ASSEMBLIES AND OTHER BOX-SHAPED MEMBERS

#14
20220203417
2022-06-30

CENTRIFUGALLY CAST COMPOSITE ROLL FOR ROLLING AND METHOD OF MANUFACTURING THE SAME

#15
20220176431
2022-06-09

Centrifugally cast composite roll for rolling and method of manufacturing the same

#16
20220097111
2022-03-31

PLATE AND STRIP ROLLING PROCESS ORIENTED EFFICIENT AND STABLE CURRENT APPLYING MANIPULATOR AND METHOD THEREOF

#17
20220032351
2022-02-03

METHOD FOR THE MANUFACTURE OF MULTIMATERIAL ROLL AND THE MULTIMATERIAL ROLL

#18
20210388868
2021-12-16

WEAR-RESISTANT MEMBER

#19
20210370371
2021-12-02

Composite cemented carbide roll, and production method of composite cemented carbide roll

#20
20210245213
2021-08-12

Roll body for a hydrostatic rolling tool and hydrostatic rolling tool with the roll body

#21
20210154712
2021-05-27

Centrifugally cast composite roll for rolling and its production method

#22
20200393161
2020-12-17

Roller member for use in an apparatus for closing pittsburgh Seams associated with duct assemblies and other box-shaped members

#23
20200298294
2020-09-24

Outer layer of rolling roll and composite roll for rolling

#24
20200182507
2020-06-11

Roller member for use in an apparatus for closing Pittsburgh Seams associated with duct assemblies and other box-shaped members

#25
20190352753
2019-11-21

Composite roll for rolling

#26
20190337031
2019-11-07

ROLLING ROLL AND PLATED STEEL SHEET PRODUCED THEREBY

#27
20190308232
2019-10-10

Mill rolls capable of rolling long kilometers for ESP production line

#28
20190264041
2019-08-29

Water-based high-temperature-resistant titanium-steel anti-bonding coating and use thereof

#29
20190084019
2019-03-21

Method for producing H-shaped steel

#30
20190009315
2019-01-10

METHOD FOR PRODUCING H-SHAPED STEEL AND ROLLING APPARATUS

#31
20180290200
2018-10-11

Bending forge rolling

#32
20180257134
2018-09-13

Special-shaped roll formed by a composite casting method and preparation process therefore

#33
20180257121
2018-09-13

METHOD FOR MANUFACTURING PLATED STEEL SHEET HAVING EXCELLENT CLARITY OF IMAGE AFTER COATING, AND PLATED STEEL SHEET MANUFACTURED THEREBY

#34
20180171448
2018-06-21

DEEP ROLLING TOOL AND METHOD

#35
20180117651
2018-05-03

Milling apparatus

#36
20180111178
2018-04-26

Method for producing H-shaped steel

#37
20180071801
2018-03-15

Method for producing H-shaped steel and H-shaped steel product

#38
20180029095
2018-02-01

Compensation method for asymmetric plate profile of plate/strip rolling mill

#39
20170348744
2017-12-07

Methods for forming a work roll and a dulled gloss finish on a metal substrate

#40
20170320113
2017-11-09

Method for producing metal sheet with raised lines, metal sheet with raised lines, and structural component

#41
20170219242
2017-08-03

Roller member for use in an apparatus for closing Pittsburgh seams associated with duct assemblies and other box-shaped members

#42
20170209906
2017-07-27

CENTRIFUGAL CAST CALIBER ROLL FOR HOT ROLLING MILL (AS AMENDED)

#43
20170157736
2017-06-08

Deep rolling tool for blade fatigue life enhancement

#44
20170157656
2017-06-08

Roll assembly for rolls in a rolling mill

#45
20170100757
2017-04-13

Tool changeover system and method

#46
20160207084
2016-07-21

Centrifugally cast, hot-rolling composite roll

#47
20160193638
2016-07-07

Centrifugally cast, hot-rolling composite roll

#48
20160193637
2016-07-07

Centrifugally cast composite roll and its production method

#49
20150266070
2015-09-24

Method for producing a sheet metal profile for a drawer pull-out guide and sheet metal profile produced thereby and drawer pull-out guide produced thereby

#50
20150224552
2015-08-13

Tool changeover system and method as well as roll

#51
20150190951
2015-07-09

Roll molding device

#52
20150190854
2015-07-09

Roll forming device

#53
20150165515
2015-06-18

Deep rolling tool for processing blade root

#54
20150165514
2015-06-18

Deep rolling tool with force adjustment

#55
20150165500
2015-06-18

Deep rolling tool for blade fatigue life enhancement

#56
20150151341
2015-06-04

Support roller

#57
20150121984
2015-05-07

Roller hemming device and roller hemming method

#58
20150114062
2015-04-30

Seamless sleeve and seamless substrate

#59
20150089987
2015-04-02

Composite rolling mill roll and rolling method

#60
20150047403
2015-02-19

Casting product reduction apparatus

#61
20150018185
2015-01-15

Roll for hot rolling

#62
20140331730
2014-11-13

ROLLING DEVICE AND THE METHOD THEREOF

#63
20140287898
2014-09-25

Roll surface layer material for hot rolling with excellent fatigue resistance produced by centrifugal casting, and composite roll for hot rolling produced through centrifugal casting

#64
20140272466
2014-09-18

ROLLED SURFACES HAVING A DULLED GLOSS FINISH

#65
20140209287
2014-07-31

Roller for forming heat transfer elements of heat exchangers

#66
20130104614
2013-05-02

Apparatus for closing pittsburgh seams associated with duct assemblies and other box-shaped members

#67
20130017118
2013-01-17

Asymmetric rolling device, asymmetric rolling method and rolled material manufactured using same

#68
20110195266
2011-08-11

SEAMLESS SLEEVE AND SEAMLESS SUBSTRATE

#69
20100175239
2010-07-15

System for changing a roller

#70
20100024507
2010-02-04

Rolling mill and roll thereof

#71
20080280157
2008-11-13

COMPOSITE METAL ARTICLE AND METHOD OF MAKING

#72
20080277454
2008-11-13

COMPOSITE METAL ARTICLE AND METHOD OF MAKING

#73
20070186609
2007-08-16

Method and device for applying an adjustable tensile-stress distribution, in particular in the edge regions of cold-rolled metal strips

#74
20070163318
2007-07-19

Roller for determining variations in flatness

#75
20070132307
2007-06-14

Central support unit of an axle bracket housing for motor vehicles

#76
20060201220
2006-09-14

Rolling apparatus and method of making product of miscellaneous cross section with use of same

#77
20050266927
2005-12-01

Seamless steel tube for drive shaft and method for manufacturing the same

#78
20050061047
2005-03-24

Lamination process and apparatus for alkali metals or alloys thereof

#79
20050044916
2005-03-03

Apparatus for manufacturing band plate

#80
20050028575
2005-02-10

Plate rolling mill

#81
15262299
2017-12-19

Rotary tool ejection technology