FR2361987A1 - Foret de carottage - Google Patents

Foret de carottage

Info

Publication number
FR2361987A1
FR2361987A1 FR7724025A FR7724025A FR2361987A1 FR 2361987 A1 FR2361987 A1 FR 2361987A1 FR 7724025 A FR7724025 A FR 7724025A FR 7724025 A FR7724025 A FR 7724025A FR 2361987 A1 FR2361987 A1 FR 2361987A1
Authority
FR
France
Prior art keywords
sheet
core
support
mild steel
cutting bit
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7724025A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MOPPES SONS Ltd
Original Assignee
MOPPES SONS Ltd
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
Priority claimed from GB3483976A external-priority patent/GB1583860A/en
Application filed by MOPPES SONS Ltd filed Critical MOPPES SONS Ltd
Publication of FR2361987A1 publication Critical patent/FR2361987A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (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)

Abstract

a. Foret de carottage. b. Ce foret de carottage est constitué en enroulant en spirale une tôle 1 en acier doux. A l'endroit où la tôle 1 passe de la face intérieure à la face extérieure du tube ainsi formé, un ressaut 2 reçoit l'extrémité 3 intérieure et l'extrémité 4 extérieure de la tôle, de sorte que le tube a des faces intérieure et extérieure continues. c. Industrie du bâtiment
FR7724025A 1976-08-20 1977-08-04 Foret de carottage Withdrawn FR2361987A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3483976A GB1583860A (en) 1976-08-20 1976-08-20 Core drills
GB2072277 1977-05-17

Publications (1)

Publication Number Publication Date
FR2361987A1 true FR2361987A1 (fr) 1978-03-17

Family

ID=26254853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7724025A Withdrawn FR2361987A1 (fr) 1976-08-20 1977-08-04 Foret de carottage

Country Status (2)

Country Link
FR (1) FR2361987A1 (fr)
SE (1) SE7708649L (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239328A3 (en) * 1986-03-24 1988-12-07 Smith International, Inc. Drill bits
EP0317069A1 (fr) * 1987-10-19 1989-05-24 Smith International, Inc. Trépan racleur et méthode pour sa fabrication
EP0430536A3 (en) * 1989-11-25 1991-10-23 Omi Kogyo Co., Ltd. Drill and method for using the same
EP0844055A1 (fr) * 1996-11-26 1998-05-27 HILTI Aktiengesellschaft Scie tubulaire dont le corps consiste de deux tubes coaxiaux
CN107322812A (zh) * 2017-05-26 2017-11-07 如皋市磨头建设开发有限公司 一种建筑板材指接加工系统及其工作方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1883321A (en) * 1928-07-30 1932-10-18 Sullivan Machinery Co Core drill
US2053702A (en) * 1936-02-03 1936-09-08 Forrest W Davis Cutting device
US2376974A (en) * 1943-05-21 1945-05-29 Ingersoll Rand Co Drilling apparatus
US2947206A (en) * 1959-10-13 1960-08-02 James H Flanagan Self-lubricating trepanning drill
FR1231455A (fr) * 1958-09-25 1960-09-29 Jersey Prod Res Co Trépan de carottage
US3153885A (en) * 1961-10-09 1964-10-27 Chauncey A R Keller Cyclindrical cutter device
US3424255A (en) * 1966-11-16 1969-01-28 Gulf Research Development Co Continuous coring jet bit
FR2260665A1 (en) * 1974-02-08 1975-09-05 Fabre Jean Large diameter earth boring tool - with core drilling cylinder axially movable by power cylinders on revolving drive shaft

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1883321A (en) * 1928-07-30 1932-10-18 Sullivan Machinery Co Core drill
US2053702A (en) * 1936-02-03 1936-09-08 Forrest W Davis Cutting device
US2376974A (en) * 1943-05-21 1945-05-29 Ingersoll Rand Co Drilling apparatus
FR1231455A (fr) * 1958-09-25 1960-09-29 Jersey Prod Res Co Trépan de carottage
US2947206A (en) * 1959-10-13 1960-08-02 James H Flanagan Self-lubricating trepanning drill
US3153885A (en) * 1961-10-09 1964-10-27 Chauncey A R Keller Cyclindrical cutter device
US3424255A (en) * 1966-11-16 1969-01-28 Gulf Research Development Co Continuous coring jet bit
FR2260665A1 (en) * 1974-02-08 1975-09-05 Fabre Jean Large diameter earth boring tool - with core drilling cylinder axially movable by power cylinders on revolving drive shaft

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239328A3 (en) * 1986-03-24 1988-12-07 Smith International, Inc. Drill bits
EP0317069A1 (fr) * 1987-10-19 1989-05-24 Smith International, Inc. Trépan racleur et méthode pour sa fabrication
EP0430536A3 (en) * 1989-11-25 1991-10-23 Omi Kogyo Co., Ltd. Drill and method for using the same
EP0844055A1 (fr) * 1996-11-26 1998-05-27 HILTI Aktiengesellschaft Scie tubulaire dont le corps consiste de deux tubes coaxiaux
US5980168A (en) * 1996-11-26 1999-11-09 Hilti Aktiengesellschaft Hollow crown drill
CN107322812A (zh) * 2017-05-26 2017-11-07 如皋市磨头建设开发有限公司 一种建筑板材指接加工系统及其工作方法

Also Published As

Publication number Publication date
SE7708649L (sv) 1978-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse