FR2015700A1 - - Google Patents

Info

Publication number
FR2015700A1
FR2015700A1 FR6925972A FR6925972A FR2015700A1 FR 2015700 A1 FR2015700 A1 FR 2015700A1 FR 6925972 A FR6925972 A FR 6925972A FR 6925972 A FR6925972 A FR 6925972A FR 2015700 A1 FR2015700 A1 FR 2015700A1
Authority
FR
France
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Withdrawn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
FR6925972A
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.)
Mission Manufacturing Co
Original Assignee
Mission Manufacturing 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 Mission Manufacturing Co filed Critical Mission Manufacturing Co
Publication of FR2015700A1 publication Critical patent/FR2015700A1/fr
Withdrawn legal-status Critical Current

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
FR6925972A 1968-08-15 1969-07-29 Withdrawn FR2015700A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75299068A 1968-08-15 1968-08-15

Publications (1)

Publication Number Publication Date
FR2015700A1 true FR2015700A1 (fr) 1970-04-30

Family

ID=25028717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6925972A Withdrawn FR2015700A1 (fr) 1968-08-15 1969-07-29

Country Status (7)

Country Link
JP (1) JPS5121922B1 (fr)
AT (1) AT317813B (fr)
BE (1) BE736749A (fr)
DE (1) DE1937778A1 (fr)
FR (1) FR2015700A1 (fr)
GB (1) GB1278127A (fr)
SE (1) SE385392B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011219B1 (fr) * 1978-11-10 1983-05-25 Halifax Tool Company Limited Jonction d'éléments définissant un passage d'écoulement de fluid pour marteau perforateur mis en oeuvre au fond d'un trou de forage
RU2093676C1 (ru) * 1996-08-30 1997-10-20 Йелстаун Корпорейшн Н.В. Погружной пневмоударник
CN102759335A (zh) * 2012-07-03 2012-10-31 湖北汽车工业学院 汽车车轮检测机气体静压测头机构
US10598218B2 (en) 2015-08-04 2020-03-24 Schaeffler Technologies AG & Co. KG Angular contact roller bearing and method and device for the assembly thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1004694A (en) * 1960-09-19 1965-09-15 Mission Mfg Co Improvements in or relating to percussion drilling apparatus

Also Published As

Publication number Publication date
AT317813B (de) 1974-09-10
BE736749A (fr) 1970-01-29
DE1937778A1 (de) 1970-02-19
JPS5121922B1 (fr) 1976-07-06
SE385392B (sv) 1976-06-28
GB1278127A (en) 1972-06-14

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse