ClassID:

37818

B21B21/00 - CPC Classification

Classification description:

Pilgrim-step tube-rolling, i.e. pilger mills

Sub-classes:
Recent Application in this class:
#1
20220115150
2022-04-14

STEEL-VANADIUM ALLOY CLADDING FOR FUEL ELEMENT

#2
20200384540
2020-12-10

Roll stand

#3
20200365284
2020-11-19

Steel-vanadium alloy cladding for fuel element

#4
20200199720
2020-06-25

A TUBE MADE OF AN AUSTENITIC STAINLESS STEEL AND A METHOD FOR MANUFACTURING THEREOF

#5
20200027581
2020-01-23

STEEL-VANADIUM ALLOY CLADDING FOR FUEL ELEMENT

#6
20190193131
2019-06-27

Method for forming a hollow of a ferritic FeCrAl alloy into a tube

#7
20180318894
2018-11-08

Cam grooving machine with cam stop surfaces

#8
20180233238
2018-08-16

Steel-vanadium alloy cladding for fuel element

#9
20170298997
2017-10-19

Method of producing a sliding sleeve for a synchronous manual transmission assembly and sliding sleeve produced by means of the method

#10
20170121809
2017-05-04

Methods for creating a zinc-metal oxide layer in metal components for corrosion resistance

#11
20160279688
2016-09-29

Method for producing a steel tube including cleaning of the outer tube wall

#12
20160193640
2016-07-07

Method for producing a steel tube including cleaning of the inner tube wall

#13
20150258590
2015-09-17

Pilger rolling train

#14
20150239025
2015-08-27

Cladding tube for nuclear fuel rod, method and apparatus for manufacturing a cladding

#15
20150101381
2015-04-16

Method of cold rolling a seamless pipe

#16
20130206274
2013-08-15

PROCESS FOR PRODUCING LARGE DIAMETER, HIGH STRENGTH, CORROSION-RESISTANT WELDED PIPE AND PIPE MADE THEREBY

#17
20130205851
2013-08-15

Method and apparatus for making cold-pilger-rolled tubes

#18
20130042660
2013-02-21

METHOD AND APPARATUS FOR MAKING COLD-PILGER-ROLLED PIPE

#19
20120234072
2012-09-20

Apparatus having a plurality of cold rolling installations

#20
20120125066
2012-05-24

Feed drive for a cold pilgering mill

#21
20120079864
2012-04-05

Pilger die and pilger mandrel for manufacturing dashpot tube for nuclear fuel assembly and method of manufacturing the pilger die and the pilger mandrel

#22
20110290377
2011-12-01

Method for producing duplex stainless steel pipe

#23
20110271731
2011-11-10

METHOD FOR PRODUCING SEAMLESS METALLIC TUBE BY COLD ROLLING

#24
20110252854
2011-10-20

Method for producing high alloy pipe

#25
20110222643
2011-09-15

CLADDING TUBE FOR NUCLEAR FUEL ROD, METHOD AND APPARATUS FOR MANUFACTURING A CLADDING TUBE

#26
20060288751
2006-12-28

Cold rolling process for metal tubes

#27
20060288750
2006-12-28

Cold rolling process for metal tubes

#28
14222208
2016-11-01

Pipe joining