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公开(公告)号：CA2563213A1
公开(公告)日：2005-10-20
申请号：CA2563213
申请日：2005-04-05
Applicant: SUMITOMO METAL IND
Inventor： MINAMI JUNICHI , OGAWA YASUHIRO , IMAI RYUICHI , GOTO KUNIO
IPC: F16L15/04 , C10M103/00 , C10M103/02 , C10M103/04 , C10M103/06 , C10M125/00 , C10M145/20 , C10M149/18 , C10N10/02 , C10N10/04 , C10N40/00 , C10N50/08 , C10N80/00 , E21B17/00 , E21B17/042 , F16L15/00 , F16L15/08
Abstract: A threaded joint for steel pipe that without causing any adverse influence o n human health and environment, permits repeated fastening/unfastening of threaded joint and excels in anti-seizing property, corrosion resistance and airtightness. There is provided a threaded joint for steel pipe composed of a pin and a box, having at at least one side a threaded portion or nonthreaded metal contact portion furnished with a solid lubricant coating comprising a binder, copper powder and at least one lubricating powder selected from amon g graphite, mica, calcium carbonate and kaolin.
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公开(公告)号：BRPI0509698B1
公开(公告)日：2016-12-20
申请号：BRPI0509698
申请日：2005-04-05
Applicant: NIPPON STEEL & SUMITOMO METAL CORP , NIPPON STEEL CORP , SUMITOMO METAL IND , VALLOUREC MANNESMANN OIL & GAS , VALLOUREC OIL & GAS FRANCE
Inventor： MINAMI JUNICHI , GOTO KUNIO , IMAI RYUICHI , OGAWA YASUHIRO
IPC: C10M103/04 , F16L15/04 , C10M103/00 , C10M103/02 , C10M103/06 , C10M125/00 , C10M145/20 , C10M149/18 , C10N10/02 , C10N10/04 , C10N40/00 , C10N50/08 , C10N80/00 , E21B17/00 , E21B17/042 , F16L15/00 , F16L15/08
Abstract: junta aparafusada para tubos de aço e processo para produção da mesma. a presente invenção refere-se a uma junta roscada para um tubo de aço compreendendo um pino e uma caixa com uma superfície de contato tendo uma parte roscada e uma parte de contato metálico não roscada, onde uma película de lubrificação sólida contendo um ou mais tipos de pós lubrificantes selecionados entre grafite, mica, carbonato de cálcio e caulim, um pó de cobre e um aglutinante, é formada em pelo menos uma superfície de contato do pino e da caixa. um objetivo da presente invenção é fornecer uma junta roscada para um tubo de aço que permita repetidos apertos e desapertos da junta roscada sem influenciar adversamente no corpo humano e no ambiente, e que seja excelente na resistência ao esfolamento, na propriedade de prevenção contra a ferrugem e na pressão de gás.
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公开(公告)号：NO336656B1
公开(公告)日：2015-10-12
申请号：NO20065035
申请日：2006-11-02
Applicant: SUMITOMO METAL IND , VALLOUREC MANNESMANN OIL & GAS
Inventor： GOTO KUNIO , IMAI RYUICHI , OGAWA YASUHIRO , MINAMI JUNICHI
IPC: C10M103/02 , F16L15/04 , C10M103/00 , C10M103/04 , C10M103/06 , C10M125/00 , C10M145/20 , C10M149/18 , C10N10/02 , C10N10/04 , C10N40/00 , C10N50/08 , C10N80/00 , E21B17/00 , E21B17/042 , F16L15/00 , F16L15/08
Abstract: En gjenget kobling for et stålrør omfattende en stift og en kasse med en kontaktdel som har en gjenget del og en ugjenget metallkontaktdel, hvor en fast smøremiddelfilm inneholdende ett eller flere typer smørende pulvere valgt fra grafitt, glimmer, kalsiumkarbonat og kaolin, et kobberpulver og et bindemiddel, dannes på minst én kontaktflate på stiften og kassen. Et mål ved foreliggende oppfinnelse er å sørge for en gjenget kobling for et stålrør som tillater gjentatt festing og løsning av en gjenget kobling uten negativ påvirkning på menneskekroppen og miljøet, og som har utmerket rivemotstand, rustforebyggingsegenskaper og gasstetthet.
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公开(公告)号：PL1844255T3
公开(公告)日：2010-06-30
申请号：PL06700861
申请日：2006-01-11
Applicant: SUMITOMO METAL IND , VALLOUREC MANNESMANN OIL & GAS FRANCE
Inventor： IMAI RYUICHI , GOTO KUNIO , TAKANASHI KAORU , OGAWA YASUHIRO
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公开(公告)号：CA2592730C
公开(公告)日：2009-09-01
申请号：CA2592730
申请日：2006-01-11
Applicant: SUMITOMO METAL IND
Inventor： IMAI RYUICHI , OGAWA YASUHIRO , GOTO KUNIO , TAKANASHI KAORU
Abstract: A threaded joint for steel pipes comprises a pin (1) and a box (2) each havi ng a threaded portion (3a or 3b) and an unthreaded metal-to-metal contact porti on (4a or 4b) as contact surfaces which contact each other when the joint is fastened. The contact surfaces (3a and 4a and/or 3b and 4b) of at least one of the pin (1) and the box (2) are coated with a lower layer of a solid lubricating coating containing a solid lubricating powder (e.g., molybdenum disulfide, tungsten disulfide, or graphite) and a binder (e.g., an epoxy or other organic resin) and an upper layer of a solid corrosion protective coating formed by an organic resin which does not contain solid particles.
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Patent Agency Ranking
公开(公告)号：BRPI0606637A2
公开(公告)日：2009-07-07
申请号：BRPI0606637
申请日：2006-01-11
Applicant: SUMITOMO METAL IND
Inventor： IMAI RYUICHI , GOTO KUNIO , TAKANASHI KAORU , OGAWA YASUHIRO
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公开(公告)号：BRPI0509698A
公开(公告)日：2007-10-09
申请号：BRPI0509698
申请日：2005-04-05
Applicant: SUMITOMO METAL IND
Inventor： GOTO KUNIO , IMAI RYUICHI , OGAWA YASUHIRO , MINAMI JUNICHI
IPC: E21B17/042 , F16L15/04 , C10M103/00 , C10M103/02 , C10M103/04 , C10M103/06 , C10M125/00 , C10M145/20 , C10M149/18 , C10N10/02 , C10N10/04 , C10N40/00 , C10N50/08 , C10N80/00 , E21B17/00 , F16L15/00 , F16L15/08
Abstract: A threaded joint for a steel pipe comprises a pin and a box with a contact surface having a threaded part and a unthreaded metal contact part, wherein a solid lubricating film containing one or more kinds of lubricating powders selected from graphite, mica, calcium carbonate and kaolin, a copper powder, and a binder is formed on at least one contact surface of the pin and the box. An object of the present invention is to provide a threaded joint for a steel pipe which allows for repeated fastening and loosening of a threaded joint without adversely influencing on a human body and environment, and is excellent in galling resistance, rust preventing property and gas tightness.
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公开(公告)号：NO20065035L
公开(公告)日：2007-01-03
申请号：NO20065035
申请日：2006-11-02
Applicant: SUMITOMO METAL IND
Inventor： GOTO KUNIO , IMAI RYUICHI , OGAWA YASUHIRO , MINAMI JUNICHI
IPC: C10M103/02 , F16L15/04 , C10M103/00 , C10M103/04 , C10M103/06 , C10M125/00 , C10M145/20 , C10M149/18 , C10N10/02 , C10N10/04 , C10N40/00 , C10N50/08 , C10N80/00 , E21B17/00 , E21B17/042 , F16L15/00 , F16L15/08
Abstract: A threaded joint for a steel pipe comprises a pin and a box with a contact surface having a threaded part and a unthreaded metal contact part, wherein a solid lubricating film containing one or more kinds of lubricating powders selected from graphite, mica, calcium carbonate and kaolin, a copper powder, and a binder is formed on at least one contact surface of the pin and the box. An object of the present invention is to provide a threaded joint for a steel pipe which allows for repeated fastening and loosening of a threaded joint without adversely influencing on a human body and environment, and is excellent in galling resistance, rust preventing property and gas tightness.
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公开(公告)号：NO342784B1
公开(公告)日：2018-08-06
申请号：NO20073204
申请日：2007-06-25
Inventor： GOTO KUNIO , IMAI RYUICHI , OGAWA YASUHIRO , TAKANASHI KAORU
Abstract: En gjenget skjøt for stålrør omfatter en bolt (1) og en boks (2) som hver har et gjenget parti (3a eller 3b) og et ugjenget metall-til-metall-kontaktparti (4a eller 4b) som kontaktoverflater som kontakter hverandre når skjøten er festet. Kontaktoverflatene (3a og 4a og/eller 3b og 4b) til minst én av bolten (1) og boksen (2) er belagt med et nedre lag av et fast smørende belegg som inneholder et fast smørende pulver (f.eks. molybden-disulfid, wolfram-disulfid eller grafitt) og et bindemiddel (f.eks. et epoksy eller annet organisk harpiks) og et øvre lag av et fast korrosjonsbeskyttende belegg formet av et organisk harpiks som ikke inneholder faste partikler.
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公开(公告)号：CA2563213C
公开(公告)日：2011-06-21
申请号：CA2563213
申请日：2005-04-05
Applicant: SUMITOMO METAL IND
Inventor： GOTO KUNIO , IMAI RYUICHI , OGAWA YASUHIRO , MINAMI JUNICHI
IPC: F16L15/04 , C10M103/00 , C10M103/02 , C10M103/04 , C10M103/06 , C10M125/00 , C10M145/20 , C10M149/18 , C10N10/02 , C10N10/04 , C10N40/00 , C10N50/08 , C10N80/00 , E21B17/00 , E21B17/042 , F16L15/00 , F16L15/08
Abstract: A threaded joint for a steel pipe comprises a pin and a box with a contact surface having a threaded part and a unthreaded metal contact part, wherein a solid lubricating film containing one or more kinds of lubricating powders selected from graphite, mica, calcium carbonate and kaolin, a copper powder, and a binder is formed on at least one contact surface of the pin and the box. An object of the present invention is to provide a threaded joint for a steel pipe which allows for repeated fastening and loosening of a threaded joint without adversely influencing on a human body and environment, and is excellent in galling resistance, rust preventing property and gas tightness.
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