Patents-Review.com
ClassID:

37949 ⎘

B21B37/78 - CPC Classification

Classification description:

Control devices or methods specially adapted for metal-rolling mills or the work produced thereby Control of tube rolling

Recent Application in this class:
#1
20260008086
2026-01-08

DEVICE WITH ADJUSTABLE OFFSET DISTANCE IN SERPENTINE ROLLING FOR ROLLING MILL AND USING METHOD THEREOF

 #2
20220339683
2022-10-27

CROSS-ROLLING UNIT AND METHOD FOR SETTING THE ROLL PASS OF A CROSS-ROLLING UNIT

 #3
20220316041
2022-10-06

Manufacturing Method for Tubular Products made of Zirconium-Based Alloy

 #4
20220316040
2022-10-06

Method of manufacturing zirconium alloy tubular products

 #5
20220314289
2022-10-06

Manufacturing Method for Zirconium Alloy Tubular Products

 #6
20220062967
2022-03-03

METHODS AND MACHINES FOR PRODUCING TUBES BY MEANS OF FLOW FORMING

 #7
20210229147
2021-07-29

Cross-rolling mill with hydraulic roller actuator

 #8
20200391263
2020-12-17

Device for controlling a stretch-reducing mill

 #9
20200346262
2020-11-05

Device and method for forming shaft part by two-roller flexible skew rolling

 #10
20200086369
2020-03-19

Apparatus for forming round and flat-oval shaped HVAC ducts

 #11
20200009625
2020-01-09

Rolling mill for rolling concave, rod-shaped bodies

 #12
20170216896
2017-08-03

Method for producing hot-rolled seamless pipes having thickened ends

 #13
20160199893
2016-07-14

Cold pilger rolling mill and method for forming a tube shell to a tube

 #14
20150336145
2015-11-26

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

 #15
20150306646
2015-10-29

Manufacturing method and manufacturing apparatus of seamless metal pipe

 #16
20150273550
2015-10-01

Control system and method for tapered structure construction

 #17
20150258590
2015-09-17

Pilger rolling train

 #18
20150090697
2015-04-02

Electric resistance welding operation management device, electric resistance welding operation management method, and computer program

 #19
20130276498
2013-10-24

Method of detecting fault in piercing-rolling and method of producing seamless pipe or tube

 #20
20130205851
2013-08-15

Method and apparatus for making cold-pilger-rolled tubes

 #21
20130180300
2013-07-18

Method for adjusting rolling positions of rolling rolls constituting three-roll mandrel mill and method for manufacturing seamless pipes or tubes

 #22
20120234072
2012-09-20

Apparatus having a plurality of cold rolling installations

 #23
20120151979
2012-06-21

DEVICE FOR ADJUSTING ROLLING POSITIONS OF ROLLING ROLLS CONSTITUTING THREE-ROLL MANDREL MILL AND METHOD FOR MANUFACTURING SEAMLESS PIPES OR TUBES

 #24
20120125066
2012-05-24

Feed drive for a cold pilgering mill

 #25
20110174034
2011-07-21

Elongation rolling control method

 #26
20110174033
2011-07-21

Elongation rolling control method

 #27
20100058824
2010-03-11

Monitoring apparatus and monitoring method of seamless pipe or tube production conditions and manufacturing facilities of seamless pipe or tube

 #28
20100000281
2010-01-07

Method for manufacturing seamless steel pipe made of high Cr-high Ni alloy steel

 #29
20090038359
2009-02-12

Method of manufacturing seamless pipe or tube

 #30
20080245120
2008-10-09

Elongation rolling control method

 #31
20080216537
2008-09-11

Flaw detection apparatus and method for tubes

 #32
20080047317
2008-02-28

Method of manufacturing a seamless steel tube

 #33
20060272373
2006-12-07

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

 #34
20060059969
2006-03-23

Method of manufacturing a seamless pipe

 #35
20060053855
2006-03-16

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

 #36
20050082344
2005-04-21

Control of hot rolled product cross section under localized temperature disturbances

 #37
15843856
2019-11-19

Apparatus and process for forming an oval shaped HVAC duct