ClassID:

38443

B21D5/015 - CPC Classification

Classification description:

Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes

Recent Application in this class:
#1
20250360547
2025-11-27

PIPE BODY FORMING APPARATUS

#2
20230415213
2023-12-28

Method for producing open-seam pipes

#3
20230002020
2023-01-05

Automated method for nose cone manufacturing

#4
20220402010
2022-12-22

DIE SET AND PROCESSING METHOD USING DIE SET

#5
20210245221
2021-08-12

Method for manufacturing pipe

#6
20200246853
2020-08-06

Method of manufacturing pipe

#7
20200122210
2020-04-23

Press device, and method of manufacturing elliptical-cylindrical member

#8
20200103137
2020-04-02

Method and apparatus for metal positioning and forming

#9
20190262883
2019-08-29

STAMPING AND WELDING METHOD AND APPARATUS FOR FORMING A HOLLOW OR TUBULAR MEMBER WITH HIGH TOLERANCES

#10
20190226042
2019-07-25

Method for producing a high strength tube part

#11
20190176200
2019-06-13

Device for calibrating and straightening hollow components and method using such a device

#12
20190039108
2019-02-07

Apparatus that manufactures closed-structure part

#13
20180318897
2018-11-08

Method of manufacturing band-shaped metal wire member including bonded portion

#14
20180304938
2018-10-25

Tubular component with an extruded profile

#15
20180221931
2018-08-09

Forming tool for the production of a hollow component, and method for operating the forming tool

#16
20180187800
2018-07-05

Tubular structures and knurling systems and methods of manufacture and use thereof

#17
20180169727
2018-06-21

Method for producing open-seam pipes from sheet metal panels

#18
20180162205
2018-06-14

Bracket-integrated double-layer door impact beam, apparatus and method for manufacturing the same

#19
20180078993
2018-03-22

Method of forming a closed cross-sectional structure

#20
20180021829
2018-01-25

FORMED METAL ITEM INCLUDING TUBULAR PART WITH SLIT, METHOD FOR PRODUCING THE SAME, AND PRODUCING DEVICE AND DIE ASSEMBLY USED IN METHOD FOR PRODUCING THE SAME

#21
20170274434
2017-09-28

Method of producing shaped article, tooling, and tubular shaped article

#22
20170225220
2017-08-10

Method for manufacturing cylindrical member

#23
20160121383
2016-05-05

Device for producing at least one undercut in a slotted or closed profiled sheet section

#24
20160089623
2016-03-31

Method of manufacturing filter pipe for vehicle and filter pipe for vehicle

#25
20150224842
2015-08-13

Vehicular arm component and manufacturing method the same

#26
20150220046
2015-08-06

Roller, image forming apparatus and manufacturing method of cylindrical shaft

#27
20150165511
2015-06-18

Method and apparatus that forms a closed cross-sectional structure

#28
20150165503
2015-06-18

Method of manufacturing pipe with different diameter along a longitudinal direction and die for forming

#29
20150151344
2015-06-04

Method for manufacturing curved hollow pipe

#30
20150135795
2015-05-21

Method for manufacturing flat pipe

#31
20150129556
2015-05-14

Device and method for producing at least partially closed profiles or tubular components from metal sheet

#32
20150114070
2015-04-30

Method and apparatus that forms a closed cross-sectional structure

#33
20150101388
2015-04-16

Method of manufacturing closed-structure part and apparatus for the same

#34
20150090361
2015-04-02

UOE steel pipe and structure

#35
20140261840
2014-09-18

Manufacture method of tubular member and tubular member manufactured by the same

#36
20130186165
2013-07-25

Device and method for producing at least partially closed hollow profiles with rotatable die halves and low cycle time

#37
20130186164
2013-07-25

Apparatus and method for producing at least partially closed hollow profiles with a short cycle time

#38
20120216904
2012-08-30

HIGH-STRENGTH UOE STEEL PIPE EXCELLENT IN DEFORMABILITY AND LOW-TEMPERATURE TOUGHNESS OF HEAT AFFECTED ZONE

#39
20120171506
2012-07-05

CURVED PARTS AND METHOD FOR MANUFACTURING THE SAME

#40
20120137748
2012-06-07

METHOD OF BENDING A METAL PLATE

#41
20110277531
2011-11-17

EDGE-BENDING PRESS

#42
20110226032
2011-09-22

PIPE-BENDING PRESS

#43
20110162431
2011-07-07

Partially reinforced hollow profile

#44
20110146366
2011-06-23

PRODUCTION-OPTIMIZED PROCESS FOR PRODUCING A MULTILAYER PIPE

#45
20110070457
2011-03-24

High-Strength UOE Steel Pipe Excellent in Deformability and Low-Temperature Toughness of Heat Affected Zone

#46
20100251795
2010-10-07

Device for manufacturing profiles

#47
20100242565
2010-09-30

Method and device for producing closed profiles

#48
20100218375
2010-09-02

Method of producing metal closed-section member

#49
20090301376
2009-12-10

Planing pontoon tube

#50
20090288512
2009-11-26

KNOB SECUREMENT MEANS FOR A CONTROL DEVICE

#51
20090044394
2009-02-19

Method and device for the coreless forming of hollow profiles

#52
20080163660
2008-07-10

Sheet-bending press for making pipe

#53
20080028819
2008-02-07

Process of producing profiles whose cross-section is variable in the longitudinal direction

#54
20080012390
2008-01-17

STRUCTURAL PART FOR THE BODY OR UNDERCARRIAGE OF A MOTOR VEHICLE

#55
20070261464
2007-11-15

Method and bending press for bending boundary edge of a sheet for shaping into an open seam tube

#56
20070107486
2007-05-17

Method of manufacturing, apparatus and resulting irregular shaped cross section tubes

#57
20070000973
2007-01-04

Stamped tubular member and method and apparatus for making same

#58
20060236737
2006-10-26

Method and device for manufacturing UOE steel pipes

#59
20060185751
2006-08-24

Pipe body and forming method of the same

#60
20060150388
2006-07-13

Metal foil tube and method and apparatus for production thereof

#61
20060075920
2006-04-13

Structural part for the body or undercarriage of a motor vehicle

#62
20060073353
2006-04-06

Profiles or tubes consisting of flexibly rolled strip material

#63
20050257591
2005-11-24

Process of producing profiles whose cross-section is variable in the longitudinal direction

#64
20050056075
2005-03-17

Process for press forming metal tubes

#65
20050005662
2005-01-13

Device for forming thin-walled material into a sleeve-shaped body

#66
13311707
2015-11-17

Process for making a stamped tubular form with integral bracket and products made by the process