IT966872B - Perfezionamento nelle disposizioni dei taglienti per macchine di sca vo di gallerie e simili - Google Patents

Perfezionamento nelle disposizioni dei taglienti per macchine di sca vo di gallerie e simili

Info

Publication number
IT966872B
IT966872B IT53745/72A IT5374572A IT966872B IT 966872 B IT966872 B IT 966872B IT 53745/72 A IT53745/72 A IT 53745/72A IT 5374572 A IT5374572 A IT 5374572A IT 966872 B IT966872 B IT 966872B
Authority
IT
Italy
Prior art keywords
tunnels
cutters
arrangements
improvement
similar
Prior art date
Application number
IT53745/72A
Other languages
English (en)
Original Assignee
Robbins Co
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
Application filed by Robbins Co filed Critical Robbins Co
Application granted granted Critical
Publication of IT966872B publication Critical patent/IT966872B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/104—Cutting tool fixtures
    • 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
    • E21B10/12—Roller bits with discs cutters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Earth Drilling (AREA)
  • Milling Processes (AREA)
  • Road Repair (AREA)
IT53745/72A 1971-11-01 1972-10-31 Perfezionamento nelle disposizioni dei taglienti per macchine di sca vo di gallerie e simili IT966872B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19421771A 1971-11-01 1971-11-01

Publications (1)

Publication Number Publication Date
IT966872B true IT966872B (it) 1974-02-20

Family

ID=22716761

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53745/72A IT966872B (it) 1971-11-01 1972-10-31 Perfezionamento nelle disposizioni dei taglienti per macchine di sca vo di gallerie e simili

Country Status (8)

Country Link
US (1) US3756332A (it)
JP (1) JPS5538478B2 (it)
AU (1) AU463519B2 (it)
CA (1) CA965806A (it)
DE (1) DE2253725C2 (it)
FR (1) FR2158409B1 (it)
IT (1) IT966872B (it)
ZA (1) ZA727725B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4886302A (it) * 1972-02-18 1973-11-14
US3884312A (en) * 1973-09-12 1975-05-20 Robbins Co Rock cutter assemblies
GB1584752A (en) * 1977-05-25 1981-02-18 Transport Secretary Of State F Rock cutting tools
US4202418A (en) * 1978-05-01 1980-05-13 The Robbins Company Roller cutter mounts
US4193637A (en) * 1978-08-07 1980-03-18 The Robbins Company Rotary cutterhead for an earth boring machine
USRE31511E (en) 1978-08-07 1984-01-31 The Robbins Company Rotary cutterhead for an earth boring machine
US4234235A (en) * 1979-02-05 1980-11-18 The Robbins Company Rotary cutterhead for an earth boring machine
US4248314A (en) * 1979-05-29 1981-02-03 Hughes Tool Company Shaft drill bit with overlapping cutter arrangement
US4316515A (en) * 1979-05-29 1982-02-23 Hughes Tool Company Shaft drill bit with improved cutter bearing and seal arrangement and cutter insert arrangement
DE2967569D1 (en) * 1979-08-14 1986-02-27 Robbins Co A rotary cutterhead for an earth boring machine
DE3132345C1 (de) * 1981-08-17 1983-01-13 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Halterung fuer Schneidwerkzeuge auf Bohrkoepfen
SE459436B (sv) * 1985-10-11 1989-07-03 Sandvik Ab Borrhuvud och skaerrulle avsedd att anvaendas vid detta
SE467700B (sv) * 1986-01-28 1992-08-31 Boart Int Ltd Skivformat skaer foer bergbearbetningsmaskiner
US4892159A (en) * 1988-11-29 1990-01-09 Exxon Production Research Company Kerf-cutting apparatus and method for improved drilling rates
US5145017A (en) * 1991-01-07 1992-09-08 Exxon Production Research Company Kerf-cutting apparatus for increased drilling rates
DE112008002585T5 (de) * 2007-09-25 2010-08-05 Caterpillar Inc., Peoria Schneidrolle für eine Tunnelbohrmaschine
DE102017205756A1 (de) * 2017-04-04 2018-10-04 Implenia Construction GmbH Schneidrolle

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1826059A (en) * 1927-09-07 1931-10-06 Dunn William Tracy Drilling head
US2003793A (en) * 1929-10-04 1935-06-04 James W Sperry Rotary rock disk bit
US1905165A (en) * 1930-03-17 1933-04-25 Hughes Tool Co Disk bit
US1935654A (en) * 1931-07-15 1933-11-21 Allie O Millican Combination bit shank
US2086486A (en) * 1935-07-26 1937-07-06 Woodsco Tools Inc Rotary disk bit
US2201219A (en) * 1937-10-16 1940-05-21 Ivan C Bell Drill bit
GB518262A (en) * 1938-05-19 1940-02-22 Robert Hamilton Dewar Challaco Improvements relating to machines for boring earth, rock and similar materials
US2766977A (en) * 1954-12-08 1956-10-16 Goodman Mfg Co Rotary cutter head for boring type continuous mining machine
US2949281A (en) * 1957-09-06 1960-08-16 Hughes Tool Co Large diameter earth boring drill
US3216513A (en) * 1964-01-06 1965-11-09 Robbins & Assoc James S Cutter assemblies for rock drilling
FR1387491A (fr) * 1964-02-17 1965-01-29 Robbins & Assoc James S Outil composite pour le forage des roches
US3232670A (en) * 1964-08-07 1966-02-01 Robbins & Assoc James S Tunnel-boring rotary head with adjustably mounted gauge cutters
FR1553002A (it) * 1967-11-17 1969-01-10
DE1810781A1 (de) * 1968-11-25 1970-06-11 Edelstahlwerke J C Soeding & H Bohrgeraet
US3572452A (en) * 1969-04-16 1971-03-30 Dougles F Winberg Rolling cutter and seals therefor
US3679009A (en) * 1971-02-02 1972-07-25 Kennametal Inc Rotary cutter for excavation, especially for use with raise boring and tunnel boring machines

Also Published As

Publication number Publication date
AU463519B2 (en) 1975-07-31
DE2253725C2 (de) 1982-11-04
CA965806A (en) 1975-04-08
JPS4857401A (it) 1973-08-11
JPS5538478B2 (it) 1980-10-04
DE2253725A1 (de) 1973-05-17
US3756332A (en) 1973-09-04
ZA727725B (en) 1973-06-27
FR2158409B1 (it) 1975-11-07
AU4839572A (en) 1974-05-23
FR2158409A1 (it) 1973-06-15

Similar Documents

Publication Publication Date Title
TR17374A (tr) Tras bicaklarinda islahat
IT966872B (it) Perfezionamento nelle disposizioni dei taglienti per macchine di sca vo di gallerie e simili
IT974101B (it) Composizione uretanica
IT943278B (it) Fodero per coltelli e simili
IT1016216B (it) Perfezionamento nelle disposizioni di spuntatura a misura di tondini e simili
IT1008165B (it) Perfezionamento nelle strutture dei caschi di protezione
IT945521B (it) Perfezionamento nelle macchine per la produzione di barattoli e simili
IT959146B (it) Mandrino autoserrante per trapani e simili
IT950136B (it) Apparecchio per macinare materiali vegetali e simili
IT958498B (it) Perfezionamento nelle bobine per nastri
IT953516B (it) Strumento per cosmesi
IT989720B (it) Perfezionamento nelle disposizioni di azionamento di utensili di trivellazione e simili
IT1053484B (it) Perfezionamento nelle macchine per la fabbricazione di barattoli lattine e simili
IT1011401B (it) Perfezionamento nelle costruzioni di ventole per ventilatori e simili
IT973120B (it) Impianto per sondare il profilo di materiali in fogli o lastre
IT998506B (it) Materiali nematici e metodo per la loro preparazione
IT952358B (it) Perfezionamento nelle macchine per alesare e sfacciare
IT958391B (it) Aggenti antinvecchianti e procedi mento per la loro produzione
IT1090710B (it) Perfezionamento nelle composizioni per il condimento di insalate e simili
IT965288B (it) Utensile per formare e finire inoranaggi
IT994810B (it) Perfezionamento nelle perforatrici per roccia e simili
IT941945B (it) Apparecchiatura per il comando di materiali in nastro lungo il per corso in macchine da stampa o simili
BE783278A (fr) Nouveau sulfonylazide
IT973765B (it) Perfezionamento nelle macchine per la rasatura di ingranaggi
ZA729154B (en) Combined-action vibro-compacting machine for the construction of roads