SU483519A1 - Device for drilling parallel adjacent holes - Google Patents

Device for drilling parallel adjacent holes

Info

Publication number
SU483519A1
SU483519A1 SU1999186A SU1999186A SU483519A1 SU 483519 A1 SU483519 A1 SU 483519A1 SU 1999186 A SU1999186 A SU 1999186A SU 1999186 A SU1999186 A SU 1999186A SU 483519 A1 SU483519 A1 SU 483519A1
Authority
SU
USSR - Soviet Union
Prior art keywords
adjacent holes
parallel adjacent
drilling parallel
drilling
holes
Prior art date
Application number
SU1999186A
Other languages
Russian (ru)
Inventor
Лев Николаевич Антонов
Адольф Семенович Ашкинази
Сергей Михайлович Дорофеев
Антон Леонтьевич Коцкий
Леонид Гаврилович Павловский
Николай Тимофеевич Селезнев
Original Assignee
Центральный научно-исследовательский геологоразведочный институт цветных и благородных металлов
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 Центральный научно-исследовательский геологоразведочный институт цветных и благородных металлов filed Critical Центральный научно-исследовательский геологоразведочный институт цветных и благородных металлов
Priority to SU1999186A priority Critical patent/SU483519A1/en
Application granted granted Critical
Publication of SU483519A1 publication Critical patent/SU483519A1/en

Links

Description

буровой коронки, оно снабжено регулировочным узлом и толкателем, один конец которого шарнирно св зан с направл ющим стержнем , а другой - с регулировочным узлом.crown, it is provided with an adjusting unit and a pusher, one end of which is pivotally connected with a guide rod and the other with an adjusting unit.

Фиг. 2FIG. 2

- --L-- - -- - --L-- - -

УделдWade

J-J ;JJ;

SU1999186A 1974-02-25 1974-02-25 Device for drilling parallel adjacent holes SU483519A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1999186A SU483519A1 (en) 1974-02-25 1974-02-25 Device for drilling parallel adjacent holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1999186A SU483519A1 (en) 1974-02-25 1974-02-25 Device for drilling parallel adjacent holes

Publications (1)

Publication Number Publication Date
SU483519A1 true SU483519A1 (en) 1975-09-05

Family

ID=20576753

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1999186A SU483519A1 (en) 1974-02-25 1974-02-25 Device for drilling parallel adjacent holes

Country Status (1)

Country Link
SU (1) SU483519A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2459063C2 (en) * 2008-04-03 2012-08-20 Сандвик Майнинг Энд Констракшн Ой Drilling unit, method for drilling grooves and device for grooving

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2459063C2 (en) * 2008-04-03 2012-08-20 Сандвик Майнинг Энд Констракшн Ой Drilling unit, method for drilling grooves and device for grooving

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