ClassID:

37750

B21B2003/005 - CPC Classification

Classification description:

Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences Rolling of aluminium, copper, zinc or other non-ferrous metals Copper or its alloys

Recent Application in this class:
#1
20250326027
2025-10-23

COPPER-ALUMINUM COMPOSITE PLATE MATERIAL PREPARED BY ALUMINUM LIQUID CONTINUOUS CASTING AND PROCESS THEREOF

#2
20230182184
2023-06-15

Large-width cathode roller for producing high-strength ultra-thin copper foil

#3
20230080832
2023-03-16

Preparation method for ultrahigh-conductivity multilayer single-crystal laminated copper material, and copper material

#4
20220250352
2022-08-11

Three-dimensional hierarchical layered porous copper and method for making the same

#5
20210399309
2021-12-23

Rolled copper foil for lithium ion battery current collector, and lithium ion battery

#6
20210332459
2021-10-28

COPPER ALLOY FOR ELECTRICAL AND ELECTRONIC PARTS AND SEMICONDUCTORS WITH HIGH STRENGTH AND HIGH ELECTRICAL CONDUCTIVITY AND METHOD OF PREPARING THE SAME

#7
20210230727
2021-07-29

Cu—Co—Si—Fe—P-based alloy with excellent bending formability and production method thereof

#8
20200347470
2020-11-05

High friction rolling of thin metal strip

#9
20200290103
2020-09-17

Methods for preparing alternating arrangement silvercopper lateral composite ingot and strip

#10
20200180000
2020-06-11

Hard rolled-copper foil and method of manufacturing the hard rolled-copper foil

#11
20200024695
2020-01-23

Copper alloy strip exhibiting improved dimensional accuracy after press-working

#12
20190309383
2019-10-10

High friction rolling of thin metal strip

#13
20190106769
2019-04-11

Cu-Ni-Si based copper alloy sheet material and production method

#14
20190047256
2019-02-14

Method for manufacturing clad material

#15
20190047254
2019-02-14

Clad material

#16
20180119253
2018-05-03

Plug-in connector and semi-finished product made from an aluminum alloy strip

#17
20180019559
2018-01-18

Rectangular rolled copper foil, flexible flat cable, rotary connector, and method of manufacturing rectangular rolled copper foil

#18
20170368599
2017-12-28

Equipment and method for manufacturing copper alloy material

#19
20170122681
2017-05-04

Heat radiating plate and method for producing same

#20
20160361760
2016-12-15

Copper ingot, copper wire material, and method for producing copper ingot

#21
20150107726
2015-04-23

Copper alloy with high strength and excellent processability in bending and process for producing copper alloy sheet

#22
20140335372
2014-11-13

Rolled copper foil

#23
20140246399
2014-09-04

COPPER FOIL FOR PRODUCING GRAPHENE, PRODUCTION METHOD THEREOF AND METHOD OF PRODUCING GRAPHENE

#24
20140216650
2014-08-07

Copper foil for producing graphene and method of producing graphene using the same

#25
20120328468
2012-12-27

PROCESSED HIGH-PURITY COPPER MATERIAL HAVING UNIFORM AND FINE CRYSTALLINE STRUCTURE, AND PROCESS FOR PRODUCTION THEREOF

#26
20120241056
2012-09-27

COPPER ALLOY SHEET MATERIAL HAVING A LOW YOUNG'S MODULUS AND METHOD OF PRODUCING THE SAME

#27
20120175026
2012-07-12

COPPER ALLOY WITH HIGH STRENGTH AND EXCELLENT PROCESSABILITY IN BENDING AND PROCESS FOR PRODUCING COPPER ALLOY SHEET

#28
20110214834
2011-09-08

METHOD AND PRODUCTION LINE FOR MANUFACTURING METAL STRIPS MADE OF COPPER OR COPPER ALLOYS

#29
20110132643
2011-06-09

Flexible circuit board and method for producing same and bend structure of flexible circuit board

#30
20110038753
2011-02-17

COPPER ALLOY SHEET MATERIAL

#31
20100180655
2010-07-22

Hot rolling apparatus

#32
20090301614
2009-12-10

Cu—Ni—Si—Co copper alloy for electronic materials and method for manufacturing same

#33
20090202861
2009-08-13

Copper-based deposited alloy strip for contact material and process for producing the same

#34
20090120544
2009-05-14

Strengthened Alpha Brass and Method for Manufacturing the Same

#35
20090107589
2009-04-30

Method and Production Line for Manufacturing Metal Strips Made of Copper or Copper Alloys

#36
20090084473
2009-04-02

COPPER ALLOY WITH HIGH STRENGTH AND EXCELLENT PROCESSABILITY IN BENDING AND PROCESS FOR PRODUCING COPPER ALLOY SHEET

#37
20090017325
2009-01-15

Rolled copper foil

#38
20080277032
2008-11-13

COPPER, COPPER ALLOY, AND MANUFACTURING METHOD THEREFOR

#39
20080196550
2008-08-21

METHOD OF PRODUCING AN OXYGEN-FREE COPPER WIRE MATERIAL BY A CONTINUOUS CAST-ROLLING METHOD USING A ROTATIONAL MOVABLE MOLD

#40
20070017094
2007-01-25

ANODE COPPER BALL FOR PLATING AND METHOD OF MANUFACTURING THE SAME

#41
20060186178
2006-08-24

Method for the production of a strip comprising a staggered profile that runs in the longitudinal direction thereof

#42
20060096346
2006-05-11

Method for the economical production of heat exchanger tubes bent in a u-shape

#43
20050066701
2005-03-31

Method for making a metal sheet having a decorative pattern