PE20151581A1 - ROLL CUTTER WITH IMPROVED SEALING - Google Patents

ROLL CUTTER WITH IMPROVED SEALING

Info

Publication number
PE20151581A1
PE20151581A1 PE2015002038A PE2015002038A PE20151581A1 PE 20151581 A1 PE20151581 A1 PE 20151581A1 PE 2015002038 A PE2015002038 A PE 2015002038A PE 2015002038 A PE2015002038 A PE 2015002038A PE 20151581 A1 PE20151581 A1 PE 20151581A1
Authority
PE
Peru
Prior art keywords
core
roll cutter
relation
center line
improved sealing
Prior art date
Application number
PE2015002038A
Other languages
Spanish (es)
Inventor
Joona Loikkanen
Stig-Ake Brolund
Original Assignee
Sandvik Intellectual Property
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47913147&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PE20151581(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sandvik Intellectual Property filed Critical Sandvik Intellectual Property
Publication of PE20151581A1 publication Critical patent/PE20151581A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Sealing Devices (AREA)

Abstract

Un cortador (14) de rodillos destinado a usarse en una cabeza de perforacion para la perforacion rotativa de la parte frontal de formaciones de tierra y roca, teniendo dicho cortador de rodillos una linea central (CL) y estando dotado de un nucleo (24) dotado de filas de elementos (29) de trituracion, teniendo al menos un elemento de trituracion su eje longitudinal en angulo en relacion con una normal a la linea central (CLI), pudiendo rotar dicho nucleo en relacion con un arbol (33) que tiene espigas (34, 35) de arbol, estando dotado el cortador de rodiIlos de al menos un elemento (38) de retencion de junta estanca dispuesto en un extremo axial del nucleo con el fin de mantener los medios (37) de estanqueidad en su sitio, en el que el nucleo comprende al menos un rebaje (44) circunferencial colocado axialmente hacia el interior en relacion con un reborde (43) que sobresale radialmente hacia el interior en el nucleoA roll cutter (14) intended for use in a drilling head for rotary drilling of the front of earth and rock formations, said roll cutter having a center line (CL) and being provided with a core (24) provided with rows of crushing elements (29), at least one crushing element having its longitudinal axis at an angle in relation to a normal to the center line (CLI), said core being able to rotate in relation to a shaft (33) having Shaft pins (34, 35), the roll cutter being provided with at least one seal retaining element (38) arranged at an axial end of the core in order to keep the sealing means (37) in place , wherein the core comprises at least one circumferential recess (44) positioned axially inward relative to a lip (43) projecting radially inwardly on the core

PE2015002038A 2013-03-20 2014-03-07 ROLL CUTTER WITH IMPROVED SEALING PE20151581A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13160149.4A EP2781684A1 (en) 2013-03-20 2013-03-20 Roller cutter with improved sealing

Publications (1)

Publication Number Publication Date
PE20151581A1 true PE20151581A1 (en) 2015-11-05

Family

ID=47913147

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2015002038A PE20151581A1 (en) 2013-03-20 2014-03-07 ROLL CUTTER WITH IMPROVED SEALING

Country Status (11)

Country Link
US (1) US20160040482A1 (en)
EP (1) EP2781684A1 (en)
CN (1) CN105121773A (en)
AU (1) AU2014234545A1 (en)
BR (1) BR112015022729A2 (en)
CA (1) CA2903301A1 (en)
CL (1) CL2015002775A1 (en)
MX (1) MX2015013311A (en)
PE (1) PE20151581A1 (en)
RU (1) RU2015144868A (en)
WO (1) WO2014146913A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112012003844T5 (en) * 2011-09-16 2014-07-10 Vermeer Manufacturing Company Widening head bearing arrangement
WO2016116910A1 (en) 2015-01-23 2016-07-28 Master Drilling South Africa (Pty) Ltd Shaft enlargement arrangement for a boring system
US10947845B2 (en) * 2016-09-21 2021-03-16 Master Sinkers (Pty) Ltd Shaft enlargement arrangement for a boring system
EP3868997A1 (en) 2020-02-21 2021-08-25 Sandvik Mining and Construction Tools AB Roller cutting tool with improved sealing
US11585158B2 (en) 2020-05-21 2023-02-21 Caterpillar Inc. Isolated lubrication system for drill bits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449024A (en) * 1965-03-08 1969-06-10 Dresser Ind Seal arrangement between relatively rotatable members
US3572452A (en) * 1969-04-16 1971-03-30 Dougles F Winberg Rolling cutter and seals therefor
SE509184C2 (en) 1995-06-22 1998-12-14 Sandvik Ab Cutting roller for a drill head, stopper device to be mounted centrally in a cutting roller and method for counteracting penetration of dirt in a cutting roller
SE508468C2 (en) * 1996-10-08 1998-10-12 Sandvik Ab Rock drill bit for rotating, crushing machining of rock and sealing means for such rock drill bit
SE525429C2 (en) 2003-01-30 2005-02-22 Sandvik Ab Cutting roller for a drilling head for rotary drilling
CN200982159Y (en) * 2006-09-29 2007-11-28 天津立林钻头有限公司 Roller bit single-metal floating seal assembly
CN102661123A (en) * 2012-05-03 2012-09-12 西南石油大学 High-temperature resistant floating sealing device for cone bit

Also Published As

Publication number Publication date
US20160040482A1 (en) 2016-02-11
RU2015144868A (en) 2017-04-26
AU2014234545A1 (en) 2015-09-17
CA2903301A1 (en) 2014-09-25
CN105121773A (en) 2015-12-02
WO2014146913A1 (en) 2014-09-25
CL2015002775A1 (en) 2016-05-27
EP2781684A1 (en) 2014-09-24
MX2015013311A (en) 2016-01-25
BR112015022729A2 (en) 2018-05-08

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Legal Events

Date Code Title Description
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