ClassID:

38215

B21C3/16 - CPC Classification

Classification description:

Profiling tools for metal drawing; Combinations of dies and mandrels Mandrels; Mounting or adjusting same

Recent Application in this class:
#1
20260061470
2026-03-05

METHOD AND MECHANICAL ARRANGEMENT FOR PRODUCING A WALL PROFILE ON A PLASTICALLY DEFORMABLE HOLLOW BODY WALL

#2
20250065384
2025-02-27

DEVICES AND METHOD FOR SHAPING A TUBULAR HOLLOW ELEMENT

#3
20240278304
2024-08-22

APPARATUS AND METHOD FOR REDUCING THE CROSS SECTION OF A TUBULAR HOLLOW BODY BY SHAPING THE HOLLOW BODY

#4
20230130543
2023-04-27

DRAWING MACHINE, DRAWING METHOD AND DRAWING MANDREL

#5
20210270405
2021-09-02

Conduits for transporting fluids and methods of fabricating the same

#6
20200200318
2020-06-25

Conduits for transporting fluids

#7
20180356009
2018-12-13

Method for manufacturing a tube of metal as well as a tube of metal

#8
20180021826
2018-01-25

Preparing a tube end for rod drawing

#9
20170320124
2017-11-09

Method for producing a rifled tube

#10
20170128993
2017-05-11

Floating Draw Plug and Method of Drawing Tube

#11
20160084433
2016-03-24

Tubular structure support with variable dimensions and mechanical properties

#12
20160008862
2016-01-14

Method for manufacturing drive shaft

#13
20150314346
2015-11-05

Inner surface regulation tool, plug, mandrel, hot rolling mill, press piercing machine, and drawing machine

#14
20150274189
2015-10-01

Inner tube for a telescopic steering column for an automotive vehicle, method for forming a first end sector in such inner tube and reducing and drawing device for forming the end

#15
20150114073
2015-04-30

Tube expanding method for manufacturing metal tube

#16
20140190586
2014-07-10

Tubular support structure with variable wall thickness

#17
20130269406
2013-10-17

Linear drawing machine and method for linear drawing of a workpiece through a drawing ring

#18
20130062041
2013-03-14

MULTI-LAYERED HEAT TRANSFER TUBE, MANUFACTURING METHOD OF MULTI-LAYERED HEAT TRANSFER TUBE, AND FORMING DEVICE USED IN THE MANUFACTURING METHOD

#19
20120198901
2012-08-09

APPARATUS AND METHOD FOR DRAWING METAL TUBE

#20
20120125070
2012-05-24

Method for producing a small thin-walled tube from a magnesium alloy

#21
20110296890
2011-12-08

Device for drawing tubular workpiece

#22
20110232352
2011-09-29

Method of producing ultrathin-wall seamless metal tube using floating plug

#23
20100319425
2010-12-23

Production method of internally ribbed steel tube and drawing plug for use therein

#24
20100170316
2010-07-08

Plug for cold drawing and method for manufacturing of metal pipe

#25
20100064750
2010-03-18

Linear drawing machine and method for linear drawing of a workpiece through a drawing ring

#26
20090158799
2009-06-25

Metal Pipe and Manufacturing Method Thereof

#27
20080209976
2008-09-04

Forming Tool

#28
20080005887
2008-01-10

Elongated member/radially expandable member assembly and methods of assembling the same

#29
20070039369
2007-02-22

Aluminum pipe having excellent surface quality, method and apparatus for manufacturing the aluminum pipe, and photosensitive drum base body

#30
20050229667
2005-10-20

Apparatus and method for forming internally ribbed or rifled tubes

#31
13918176
2016-06-14

Systems and methods to cold work metal/composite structures