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1988-07-09 |
1988-08-17 |
Metcalf J |
Rolling mill & method
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1989-10-27 |
1991-05-02 |
Mannesmann Ag |
PIPE ROLLING METHOD ON A PLUG ROAD
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1990-02-10 |
1991-08-14 |
Kocks Technik |
Cooling and lubrication of mandrel by single medium - in piercing and elongating hollow ingots
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2003-07-25 |
2004-08-12 |
Sms Meer Gmbh |
Rolling mill forming seamless steel tube, includes roller end sections to grip and carry the tube or its blank, and inner tool with blank-penetrating section at its end
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2011-03-01 |
2012-05-24 |
Sms Meer Gmbh |
Method for producing tube blank, involves rolling heated full block, perforating heated full block to hollow block by inner tool with piercer, and deoxidizing hollow block inner surface during rolling and/or perforating
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2011-06-16 |
2012-07-10 |
Александр Васильевич Гончарук |
Method of seamless tube production
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2012-11-21 |
2014-04-10 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
Method of producing of tube stock sized to 290x12 mm to specs 8-16
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2012-11-21 |
2014-07-20 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
Production of seamless hot-rolled pipes at pru with pilger mill
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2012-12-06 |
2014-10-10 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
PRODUCTION OF 273×9-15 mm SEAMLESS HOT-ROLLED PIPES FOR STEAM BOILERS, STEAM PIPELINES AND MANIFOLDS OF PLANTS WITH HIGH AND SUPERHIGH STEAM PARAMETERS OF "10Х9МФБ-Ш"-GRADE STEEL
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RU2530085C2
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2012-12-21 |
2014-10-10 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
PRODUCTION OF SEAMLESS REROLLED PIPES SIZED TO 289×11,5×26000-27000 AND 290×12×26000-27500 mm AT PRU 8-16" WITH PILGER MILLS FROM ESR INGOTS-BILLETS OF LOW-DUCTILITY "04Х14Т3Р1Ф-Ш" AND "04Х14Т5Р2Ф-Ш"-GRADE STEELS WITH BORON CONTENT OF 1,3-3,5% FOR PRODUCTION OF HEXAGONAL PIPES-BILLETS SIZED TO TURNKEY BASIS OF 257+2,0/-3,0×6,0+2,0/-1,0×4300+80/-30 mm FOR COMPACT STORAGE IN NUCLEAR POWER STATION COOLING POND AND TRANSPORTATION OF USED NUCLEAR FUEL
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2013-07-16 |
2015-04-10 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
Method of production of cold-rolled pipes with size vn346(40 mm from steel of grade "08-18=10t-+" for nuclear power engineering facilities
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RU2547360C2
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2013-07-30 |
2015-04-10 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
METHOD FOR PRODUCTION OF WELDLESS DRAWN PIPES WITH SIZE OF 299×10-13 mm FOR STEAM BOILERS, PIPELINES AND HEADERS OF PLANTS WITH HIGH AND SUPERCRITICAL PARAMETERS OF STEAM FROM STEEL OF GRADE OF "10Х9МФБ-Ш"
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2013-08-20 |
2015-04-10 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
MANUFACTURING METHOD OF HEXAGONAL PIPE WORKPIECES WITH FLAT-TO-FLAT DIMENSION OF 181,8±0,4×3,5+0,3/-0,2×3750+20/-0 mm FROM STEEL GRADE "12Х12М1БФРУ-Ш" FOR FAST NEUTRON NPP REACTORS
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RU2547055C1
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2013-09-30 |
2015-04-10 |
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METHOD TO MANUFACTURE HEXAHEDRAL STOCK PIPES WITH FLAT-TO-FLAT DIMENSION 255×5+1,5/-1,0×4300+80/-30 mm FOR STORAGE AND TRANSPORTATION OF SPENT NUCLEAR FUEL
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RU2542054C1
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2013-09-30 |
2015-02-20 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
METHOD OF HEXAGONAL PIPE BLANC PRODUCTION OF TURNKEY SIZE 252,6×5+1,5/-1,0×4300+80/-30 mm FOR COMPACT STORAGE AND TRANSPORTATION OF SPENT NUCLEAR FUEL
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RU2553727C1
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2013-12-05 |
2015-06-20 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
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RU2557390C1
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2013-12-09 |
2015-07-20 |
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PRODUCTION OF SEAMLESS HOT-STRAINED MACHINED HIGHER-STRENGTH 630×16 mm PIPES OF 08X18H10T-GRADE STEEL FOR NUCLEAR POWER PRODUCTION STRUCTURES
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RU2554250C1
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2013-12-09 |
2015-06-27 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
Production of seamless hot-worked machined pipes with size 530(16 mm with increased accuracy out of steel grade "08x18h10t" for nuclear power engineering structures
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RU2557842C2
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2013-12-09 |
2015-07-27 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
PRODUCTION OF SEAMLESS HOT-STRAINED MACHINED HIGHER-STRENGTH 630×16 mm PIPES OF 08X18H10T-GRADE STEEL FOR NUCLEAR POWER PRODUCTION STRUCTURES
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RU2553729C1
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2013-12-10 |
2015-06-20 |
Открытое акционерное общество "Челябинский трубопрокатный завод" |
Method of fabrication of seamless hot-rolled machined pipes with extended precision size 530(16 mm from steel grade "08x18h10t" for nuclear power facilities
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2014-09-30 |
2016-03-27 |
Публичное акционерное общество "Северский трубный завод" |
Method of producing hollow sleeves at piercer
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2019-09-19 |
2020-06-11 |
Акционерное общество "Первоуральский новотрубный завод" (АО "ПНТЗ") |
Method of rolling hollow billet on mandrel in three-shaft helical rolling mill and working roll for implementation thereof
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RU2741037C1
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2020-06-16 |
2021-01-22 |
Александр Васильевич Гончарук |
Method of screw piercing
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