IT982999B - IMPROVEMENT IN ROLLING DEVICES FOR ROCK CUTTING - Google Patents

IMPROVEMENT IN ROLLING DEVICES FOR ROCK CUTTING

Info

Publication number
IT982999B
IT982999B IT49304/73A IT4930473A IT982999B IT 982999 B IT982999 B IT 982999B IT 49304/73 A IT49304/73 A IT 49304/73A IT 4930473 A IT4930473 A IT 4930473A IT 982999 B IT982999 B IT 982999B
Authority
IT
Italy
Prior art keywords
improvement
rock cutting
rolling devices
rolling
rock
Prior art date
Application number
IT49304/73A
Other languages
Italian (it)
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 IT982999B publication Critical patent/IT982999B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 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
IT49304/73A 1972-05-01 1973-04-06 IMPROVEMENT IN ROLLING DEVICES FOR ROCK CUTTING IT982999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24936472A 1972-05-01 1972-05-01

Publications (1)

Publication Number Publication Date
IT982999B true IT982999B (en) 1974-10-21

Family

ID=22943150

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49304/73A IT982999B (en) 1972-05-01 1973-04-06 IMPROVEMENT IN ROLLING DEVICES FOR ROCK CUTTING

Country Status (11)

Country Link
US (1) US3787101A (en)
JP (1) JPS5325281B2 (en)
AU (1) AU461945B2 (en)
CA (1) CA965807A (en)
CH (1) CH561594A5 (en)
DE (1) DE2321830A1 (en)
FR (1) FR2183003B1 (en)
IT (1) IT982999B (en)
SE (1) SE403815B (en)
ZA (1) ZA731402B (en)
ZM (1) ZM7073A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884312A (en) * 1973-09-12 1975-05-20 Robbins Co Rock cutter assemblies
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
DE3132345C1 (en) * 1981-08-17 1983-01-13 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 5140 Erkelenz Holder for cutting tools on drill heads
US4548442A (en) * 1983-12-06 1985-10-22 The Robbins Company Mobile mining machine and method
US4760890A (en) * 1987-05-18 1988-08-02 Tamrock Inc. Cutter assembly for rotary boring of earth
DE3933168A1 (en) * 1988-10-14 1990-04-19 Bauer Spezialtiefbau Slit wall cutter with counter-rotating cutter wheels - which have rolling tools on their peripheries, overhung in bearings
JPH0748798Y2 (en) * 1989-09-25 1995-11-08 株式会社小松製作所 Disk cutter mounting device for tunnel machine
US5577565A (en) * 1995-06-29 1996-11-26 Boretec, Inc. Compact roller cutter
US6131676A (en) 1997-10-06 2000-10-17 Excavation Engineering Associates, Inc. Small disc cutter, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters
US7690138B2 (en) * 2007-05-14 2010-04-06 Hall David R Rolling assembly mounted on a trencher
US7950170B2 (en) * 2007-05-14 2011-05-31 Hall David R Skewed roller on an excavator
WO2009042189A2 (en) * 2007-09-25 2009-04-02 Caterpillar Inc. Rotary cutter for tunnel boring machine
US9506309B2 (en) 2008-12-23 2016-11-29 Frazier Ball Invention, LLC Downhole tools having non-toxic degradable elements
US9217319B2 (en) 2012-05-18 2015-12-22 Frazier Technologies, L.L.C. High-molecular-weight polyglycolides for hydrocarbon recovery
US9587475B2 (en) 2008-12-23 2017-03-07 Frazier Ball Invention, LLC Downhole tools having non-toxic degradable elements and their methods of use
US8079413B2 (en) 2008-12-23 2011-12-20 W. Lynn Frazier Bottom set downhole plug
US8496052B2 (en) * 2008-12-23 2013-07-30 Magnum Oil Tools International, Ltd. Bottom set down hole tool
US8899317B2 (en) 2008-12-23 2014-12-02 W. Lynn Frazier Decomposable pumpdown ball for downhole plugs
US9562415B2 (en) 2009-04-21 2017-02-07 Magnum Oil Tools International, Ltd. Configurable inserts for downhole plugs
US9062522B2 (en) 2009-04-21 2015-06-23 W. Lynn Frazier Configurable inserts for downhole plugs
US9127527B2 (en) 2009-04-21 2015-09-08 W. Lynn Frazier Decomposable impediments for downhole tools and methods for using same
US20100263876A1 (en) * 2009-04-21 2010-10-21 Frazier W Lynn Combination down hole tool
US9181772B2 (en) 2009-04-21 2015-11-10 W. Lynn Frazier Decomposable impediments for downhole plugs
US9163477B2 (en) 2009-04-21 2015-10-20 W. Lynn Frazier Configurable downhole tools and methods for using same
US9109428B2 (en) 2009-04-21 2015-08-18 W. Lynn Frazier Configurable bridge plugs and methods for using same
USD694281S1 (en) 2011-07-29 2013-11-26 W. Lynn Frazier Lower set insert with a lower ball seat for a downhole plug
USD694280S1 (en) 2011-07-29 2013-11-26 W. Lynn Frazier Configurable insert for a downhole plug
USD703713S1 (en) 2011-07-29 2014-04-29 W. Lynn Frazier Configurable caged ball insert for a downhole tool
USD698370S1 (en) 2011-07-29 2014-01-28 W. Lynn Frazier Lower set caged ball insert for a downhole plug
DE112012003844T5 (en) 2011-09-16 2014-07-10 Vermeer Manufacturing Company Widening head bearing arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216513A (en) * 1964-01-06 1965-11-09 Robbins & Assoc James S Cutter assemblies for rock drilling
US3449024A (en) * 1965-03-08 1969-06-10 Dresser Ind Seal arrangement between relatively rotatable members
US3389760A (en) * 1966-09-01 1968-06-25 Hughes Tool Co Rolling cutters for rock formations mounted on simple beam bearings
US3601207A (en) * 1969-05-19 1971-08-24 Lawrence Mfg Co Cutter assembly
US3612196A (en) * 1970-05-01 1971-10-12 Smith International Rock-boring cutter

Also Published As

Publication number Publication date
JPS4921903A (en) 1974-02-26
DE2321830A1 (en) 1973-11-15
AU461945B2 (en) 1975-06-12
JPS5325281B2 (en) 1978-07-26
CA965807A (en) 1975-04-08
SE403815B (en) 1978-09-04
US3787101A (en) 1974-01-22
AU5257873A (en) 1974-08-29
FR2183003A1 (en) 1973-12-14
ZM7073A1 (en) 1974-02-21
CH561594A5 (en) 1975-05-15
ZA731402B (en) 1973-11-28
FR2183003B1 (en) 1976-04-23

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