ClassID:

38511

B21D11/02 - CPC Classification

Classification description:

Bending not restricted to forms of material mentioned in only one of groups , , ; Bending not provided for in groups  -  ; Twisting Bending by stretching or pulling over a die

Recent Application in this class:
#1
20240116099
2024-04-11

A ROBOTIC TUBE BENDING MACHINE

#2
20220379362
2022-12-01

Method for precision forming by continuous free bending

#3
20220072597
2022-03-10

Forming hoops for grow houses

#4
20210187576
2021-06-24

Method of metal mask and manufacturing method of metal mask

#5
20200346266
2020-11-05

Bending die

#6
20200230680
2020-07-23

Numerical control machine for stretch bending and monitoring method for clamping force of round clamp thereof

#7
20200108431
2020-04-09

STRETCH FORMING DEVICE AND STRETCH FORMING METHOD

#8
20200101513
2020-04-02

Manufacturing method of mask plate

#9
20190366406
2019-12-05

Annular part and a method and apparatus for forming an annular part

#10
20190308235
2019-10-10

Tensioning device for a sheet of material

#11
20190144986
2019-05-16

Mask plate, mask plate assembly including mask plate and method for manufacturing same

#12
20180311718
2018-11-01

Method and apparatus for forming double curvature corrugated and surface textured panels

#13
20180215572
2018-08-02

Apparatus for folding a sheet of material into a support structure

#14
20180214921
2018-08-02

Universal Dies Of Controllable Curvature

#15
20180001366
2018-01-04

Methods for the production of curved pieces from continuous metal elements

#16
20160325331
2016-11-10

Method and apparatus for hot forming metal parts

#17
20160250675
2016-09-01

Bending apparatus and bending method for a plate-shaped metal workpiece

#18
20160158820
2016-06-09

Method and apparatus for forming an annular part

#19
20160038987
2016-02-11

STRETCH ROLL FORMING

#20
20150209855
2015-07-30

Methods for making a vehicular subassembly with a notched flange to reduce strain in bending

#21
20140305180
2014-10-16

Bending apparatus and bending method using the same

#22
20140096582
2014-04-10

Stretching device

#23
20130283880
2013-10-31

Universal dies of controllable curvature

#24
20130094919
2013-04-18

SYSTEM AND METHOD OF MANUFACTURING A STRUCTURE WITH A HIGH PERFORMANCE METAL ALLOY

#25
20130008222
2013-01-10

Molding method for plate-shaped workpiece, and molded article

#26
20130008221
2013-01-10

STRETCH FORMING APPARATUS

#27
20120312794
2012-12-13

Welding device for stretch bender

#28
20120198904
2012-08-09

Multiple clamp type stretching and forming machine

#29
20120125065
2012-05-24

Roll forming system and roll forming method

#30
20120104717
2012-05-03

Torsion beam manufacturing method and torsion beam

#31
20110271775
2011-11-10

Sheet metal stretch-bend-draw simulator apparatus and method

#32
20110043002
2011-02-24

Cut and rigidified construction component and method of manufacturing the same

#33
20100263424
2010-10-21

Stretch roll forming

#34
20100107720
2010-05-06

Titanium stretch forming apparatus and method

#35
20100071430
2010-03-25

Stretch forming apparatus with supplemental heating and method

#36
20070261463
2007-11-15

Method and apparatus for creep forming of and relieving stress in an elongated metal bar

#37
20070261462
2007-11-15

Method and apparatus for creep forming of and relieving stress in an elongated metal bar

#38
20070261461
2007-11-15

Method and apparatus for hot forming elongated metallic bars

#39
20070163323
2007-07-19

Stretch-forming machine and method

#40
20070148488
2007-06-28

Flat bar strip and metal profile part

#41
20070102493
2007-05-10

Titanium stretch forming apparatus and method

#42
20050247100
2005-11-10

Gripping apparatus and method

#43
20050247099
2005-11-10

Gripping apparatus and method

#44
20050109074
2005-05-26

Method and computer controlled apparatus for bending elongate material utilizing a pure bending moment