ClassID:

37806

B21B17/14 - CPC Classification

Classification description:

Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills

Recent Application in this class:
#1
20250353059
2025-11-20

THREEFOLD ROTATIONALLY SYMMETRICAL STAND HAVING ROLLERS MOUNTED IN ECCENTRIC BUSHINGS

#2
20250353058
2025-11-20

THREEFOLD ROTATIONALLY SYMMETRICAL STAND HAVING AN ADJUSTMENT CONNECTOR

#3
20240001419
2024-01-04

REDUCER AND/OR CALIBRATING ROLLING MILL FOR ROD-SHAPED BODIES

#4
20230372987
2023-11-23

DEVICE AND METHOD FOR PRODUCING ROLL-FORMED PART

#5
20220111429
2022-04-14

Rolling mill for solid elongated products

#6
20220040749
2022-02-10

COMPRESSIVE FORMING PROCESSES FOR ENHANCING COLLAPSE RESISTANCE IN METALLIC TUBULAR PRODUCTS

#7
20210323039
2021-10-21

Method and device for controlling a stretch reducing rolling mill for wall thickness compensation

#8
20210078058
2021-03-18

STRETCH-REDUCING MILL HAVING IMPROVED DIAMETER TOLERANCE AND WALL THICKNESS TOLERANCE

#9
20210001425
2021-01-07

Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same

#10
20200391263
2020-12-17

Device for controlling a stretch-reducing mill

#11
20200086369
2020-03-19

Apparatus for forming round and flat-oval shaped HVAC ducts

#12
20190381545
2019-12-19

Rolling mill stand with rolls axially constrained with elastic system

#13
20180304327
2018-10-25

MULTI-STAND ROLLING MILL FOR ROD-SHAPED BODIES COMPRISING THREE MOTORIZED-ROLLERS STANDS

#14
20180229289
2018-08-16

Compressive forming processes for enhancing collapse resistance in metallic tubular products

#15
20160067754
2016-03-10

Three-rolling stand with lateral change

#16
20150336145
2015-11-26

Apparatus to detect the deformity in thickness of tubular elements and corresponding method

#17
20150306646
2015-10-29

Manufacturing method and manufacturing apparatus of seamless metal pipe

#18
20150128678
2015-05-14

Three-roll rolling mill stand with side change with respect to the rolling line

#19
20140238095
2014-08-28

Installation and method for continuously shaping longitudinally slotted pipes

#20
20130133392
2013-05-30

Rolling mill stand and related rolling mill for longitudinally rolling rod-shaped bodies

#21
20130036784
2013-02-14

Rolling mill for long articles

#22
20120125068
2012-05-24

Method for producing seamless tubes by means of a three-roll bar rolling mill

#23
20120103049
2012-05-03

Rolling process and relating longitudinal, multi-stand rolling mill of continuous, restrained type for hollow bodies

#24
20110271731
2011-11-10

METHOD FOR PRODUCING SEAMLESS METALLIC TUBE BY COLD ROLLING

#25
20110265537
2011-11-03

ROLL FOR A ROLLING-MILL

#26
20110226031
2011-09-22

Rolling mill stand and related rolling mill for longitudinally rolling rod-shaped bodies

#27
20100269868
2010-10-28

MANDREL BAR CLEANING FACILITY

#28
20100212387
2010-08-26

Method of and rolling mill for making seamless steel pipe

#29
20100031725
2010-02-11

Grooved roll for a reducer and a reducer

#30
20090064749
2009-03-12

Process for producing stainless steel pipe

#31
20090038358
2009-02-12

Method of manufacturing seamless pipe and tube

#32
20080302160
2008-12-11

Square tube forming roll, square tube forming method, and forming device

#33
20080289391
2008-11-27

Pipe or tube reducing mill and roll for reducing mill

#34
20080216542
2008-09-11

Rolling mill with stands with three adjustable rolls

#35
20080011037
2008-01-17

Process for manufacturing a seamless tube

#36
20070251611
2007-11-01

Method for producing martensitic stainless steel tubes

#37
20070186610
2007-08-16

Changeover system and changeover method for a metal forming mill

#38
20070062238
2007-03-22

Method for manufacturing seamless steel pipe or tube

#39
20070022796
2007-02-01

Method for manufacturing seamless pipes or tubes

#40
20060272373
2006-12-07

Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program

#41
20060053855
2006-03-16

Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program

#42
20050266927
2005-12-01

Seamless steel tube for drive shaft and method for manufacturing the same

#43
15843856
2019-11-19

Apparatus and process for forming an oval shaped HVAC duct

#44
14222208
2016-11-01

Pipe joining