ClassID:

38560

B21D19/14 - CPC Classification

Classification description:

Flanging or other edge treatment, e.g. of tubes; Edge-curling Reinforcing edges, e.g. armouring same

Recent Application in this class:
#1
20250135523
2025-05-01

THREE LAYERED BUBBLE SHEET COOLING PLATE

#2
20190176205
2019-06-13

MACHINE FOR FORMING METAL STAMPINGS HAVING AN EDGE PORTION FOLDED OVER ON ITSELF

#3
20190105696
2019-04-11

Method and device for forming a semi-finished product

#4
20170312801
2017-11-02

Method of forming a trailer hitch receiver tube

#5
20170280931
2017-10-05

STAY-FLAT SHEET PAN

#6
20170042375
2017-02-16

Stay-flat sheet pan

#7
20150367394
2015-12-24

Tube flanging method

#8
20150068021
2015-03-12

Method for Producing Surrounding Connection of Heat-insulating Protecting Component

#9
20130258642
2013-10-03

Back plate for use with a backlight module, a backlight module using the same, and the manufacturing method thereof

#10
20120315109
2012-12-13

Metal members and assemblies that have reinforced punched holes and method of forming the holes

#11
20120167654
2012-07-05

Tube flaring tool

#12
20100139354
2010-06-10

Stretched metal article having reinforced terminal edge and method of making same

#13
20100104798
2010-04-29

ROLLER HEMMING METHOD AND HEMMED MEMBER

#14
20090272166
2009-11-05

Method of using an electromagnetic forming machine to hem a plurality of panels to form a panel assembly

#15
20090014247
2009-01-15

Oil sump for use in internal combustion engines and transmissions

#16
20080196230
2008-08-21

Apparatus and method for forming a tube with a tetragonal cross-section, having a reinforced end

#17
20080092618
2008-04-24

Roller hemming method and hemmed member

#18
20080053177
2008-03-06

One-piece flexible tube connector and method of making the same