ClassID:

38707

B21D39/034 - CPC Classification

Classification description:

Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating ; Tube expanders of sheet metal otherwise than by folding Joining superposed plates by piercing

Recent Application in this class:
#1
20250083404
2025-03-13

METAL COMPOSITE STRUCTURE, PROCESSING METHOD OF THE SAME, AND METAL FRAME HAVING THE SAME

#2
20230064480
2023-03-02

Stitcher

#3
20210354188
2021-11-18

Metal fastening die assembly

#4
20210245225
2021-08-12

PIERCING ELEMENT DRIVING METHOD, ELEMENT COMPOSITE, AND WELDING MEMBER

#5
20200325929
2020-10-15

Joining method and joining apparatus

#6
20180291943
2018-10-11

Joining method for joining a plate set

#7
20170059177
2017-03-02

Panel assemblies and methods for forming panel assemblies

#8
20170050231
2017-02-23

Punch for crimping tool and crimping tool provided with such a punch

#9
20160279765
2016-09-29

Hand tool step drive mechanism and crimping method

#10
20160263641
2016-09-15

WORK STATION AND METHOD FOR JOINING METALLIC SHEETS

#11
20160101020
2016-04-14

Vial access device

#12
20160016384
2016-01-21

Composite metal sheet

#13
20150121678
2015-05-07

METHOD AND DEVICE FOR CONNECTING METAL STRIPS

#14
20150044495
2015-02-12

Method for joining metal sheets

#15
20110318598
2011-12-29

JOINED METAL MEMBER, METAL JOINING METHOD AND METAL JOINING APPARATUS

#16
20110146050
2011-06-23

System and method for manufacturing bed supports for chromatography columns

#17
20110083316
2011-04-14

RIVETING DEVICE FOR METAL SHEETS

#18
20100109257
2010-05-06

METHOD FOR THE PRODUCTION OF FLAT SEALS, AND FLAT SEAL

#19
20090068399
2009-03-12

Composite metal sheet, method for joining metal sheets, and device for joining metal sheets

#20
20080197117
2008-08-21

Bonding apparatus and method of metal plate

#21
20080000062
2008-01-03

Crimp tool

#22
20060272379
2006-12-07

Crimping tool

#23
20060213050
2006-09-28

Eyelet and method of forming the same

#24
20060151577
2006-07-13

Method and device for joining a planar component to a hollow section