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IT7823694A0 - Punta di fornello con stelo o gambo amovibile. - Google Patents

Punta di fornello con stelo o gambo amovibile.

Info

Publication number
IT7823694A0
IT7823694A0 IT7823694A IT2369478A IT7823694A0 IT 7823694 A0 IT7823694 A0 IT 7823694A0 IT 7823694 A IT7823694 A IT 7823694A IT 2369478 A IT2369478 A IT 2369478A IT 7823694 A0 IT7823694 A0 IT 7823694A0
Authority
IT
Italy
Prior art keywords
stem
removable
stove
tip
stove tip
Prior art date
Application number
IT7823694A
Other languages
English (en)
Other versions
IT1094800B (it
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of IT7823694A0 publication Critical patent/IT7823694A0/it
Application granted granted Critical
Publication of IT1094800B publication Critical patent/IT1094800B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/09Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces
    • F16D1/093Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping
    • F16D1/097Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to axial loading of at least one pair of conical surfaces using one or more elastic segmented conical rings forming at least one of the conical surfaces, the rings being expanded or contracted to effect clamping with clamping effected by ring expansion only, e.g. with an expanded ring located between hub and shaft
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/28Enlarging drilled holes, e.g. by counterboring
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00Joints and connections
    • Y10T403/70Interfitted members
    • Y10T403/7047Radially interposed shim or bushing
    • Y10T403/7051Wedging or camming
    • Y10T403/7052Engaged by axial movement
    • Y10T403/7054Plural, circumferentially related shims between members

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
IT23694/78A 1977-05-23 1978-05-23 Punta di fornello con stelo o gambo amovibile IT1094800B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/799,253 US4108259A (en) 1977-05-23 1977-05-23 Raise drill with removable stem

Publications (2)

Publication Number Publication Date
IT7823694A0 true IT7823694A0 (it) 1978-05-23
IT1094800B IT1094800B (it) 1985-08-02

Family

ID=25175436

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23694/78A IT1094800B (it) 1977-05-23 1978-05-23 Punta di fornello con stelo o gambo amovibile

Country Status (6)

Country Link
US (1) US4108259A (it)
AU (1) AU514835B2 (it)
CA (1) CA1078818A (it)
GB (1) GB1581219A (it)
IT (1) IT1094800B (it)
ZA (1) ZA782786B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1108119A (en) * 1978-10-06 1981-09-01 Gerald F. Wilemon Large diameter bit with bridge mounted drive stem
AU539398B2 (en) * 1980-05-27 1984-09-27 Sandvik Ab Boring head
US4359114A (en) * 1980-12-10 1982-11-16 Robbins Machine, Inc. Raise drill bit inboard cutter assembly
US4456082A (en) * 1981-05-18 1984-06-26 Smith International, Inc. Expandable rock bit
US4532955A (en) * 1984-03-09 1985-08-06 Cooper Industries, Inc. Wedge lock valve retainer
US4525095A (en) * 1984-06-22 1985-06-25 Westinghouse Electric Corp. Driving and aligning coupling
EP0294536B1 (de) * 1987-06-11 1990-04-04 GFM Gesellschaft für Fertigungstechnik und Maschinenbau Gesellschaft m.b.H. Spannvorrichtung zum Befestigen eines scheibenförmigen Messerkopfes an einem Werkzeugträger
US5005843A (en) * 1989-12-28 1991-04-09 General Signal Corporation Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus
US5049013A (en) * 1990-11-19 1991-09-17 General Signal Corporation Mixer apparatus
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
EP2478177A2 (en) 2009-09-16 2012-07-25 Baker Hughes Incorporated External, divorced pdc bearing assemblies for hybrid drill bits
SA111320565B1 (ar) 2010-06-29 2014-09-10 Baker Hughes Inc لقمة تروس حفر ذات خواص مضادة للتعقب
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
MX337212B (es) 2011-02-11 2016-02-17 Baker Hughes Inc Sistema y metodo para retencion de base en barrenas hibridas.
MX351357B (es) 2011-11-15 2017-10-11 Baker Hughes Inc Barrenas de perforación híbridas que tienen eficiencia incrementada de perforación.
RU2689465C2 (ru) 2014-05-23 2019-05-28 Бейкер Хьюз Инкорпорейтед Комбинированное буровое долото с механическим креплением элементов шарошечного узла долота
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
CN109952413B (zh) * 2016-11-10 2021-08-27 山特维克知识产权股份有限公司 用于暗挖机的滚刀单元
US11174683B2 (en) * 2019-02-25 2021-11-16 Century Products, Inc. Tapered joint for securing cone arm in hole opener

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1944076A (en) * 1931-12-12 1934-01-16 Reed Roller Bit Co Drill
US3835944A (en) * 1973-06-12 1974-09-17 Hard Metals Ltd Cutting unit for use on rock boring machines
US3917009A (en) * 1974-09-16 1975-11-04 Dresser Ind Removable stem for raise bits
US3993147A (en) * 1976-01-19 1976-11-23 Dresser Industries, Inc. Taper lock removable stem for raise bit
US4019824A (en) * 1976-02-03 1977-04-26 Percy Vernon L Positive ring retaining system

Also Published As

Publication number Publication date
GB1581219A (en) 1980-12-10
AU3620378A (en) 1979-11-22
US4108259A (en) 1978-08-22
CA1078818A (en) 1980-06-03
IT1094800B (it) 1985-08-02
AU514835B2 (en) 1981-02-26
ZA782786B (en) 1979-05-30

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