RU2001109235A - THREADED CONNECTION FOR DRILLING CORE INTENDED FOR SHOCK DRILLING BY BREED - Google Patents

THREADED CONNECTION FOR DRILLING CORE INTENDED FOR SHOCK DRILLING BY BREED

Info

Publication number
RU2001109235A
RU2001109235A RU2001109235/03A RU2001109235A RU2001109235A RU 2001109235 A RU2001109235 A RU 2001109235A RU 2001109235/03 A RU2001109235/03 A RU 2001109235/03A RU 2001109235 A RU2001109235 A RU 2001109235A RU 2001109235 A RU2001109235 A RU 2001109235A
Authority
RU
Russia
Prior art keywords
drilling
threaded connection
breed
shock
thread
Prior art date
Application number
RU2001109235/03A
Other languages
Russian (ru)
Other versions
RU2204684C2 (en
Inventor
Рогер САНДСТРЁМ
Original Assignee
Юнирок АБ
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 SE9803267A external-priority patent/SE515518C2/en
Application filed by Юнирок АБ filed Critical Юнирок АБ
Publication of RU2001109235A publication Critical patent/RU2001109235A/en
Application granted granted Critical
Publication of RU2204684C2 publication Critical patent/RU2204684C2/en

Links

Claims (1)

1. Резьбовое соединение для бурильной колонны, предназначенной для ударного бурения по породе, содержащее наружную резьбу (5) и взаимодействующую с ней внутреннюю резьбу (4), при этом наружная резьба расположена на первом элементе (3) бурильной колонны, а внутренняя резьба расположена на втором элементе (2) бурильной колонны, и указанный первый элемент (3) бурильной колонны имеет первую ударную поверхность (6), а указанный второй элемент (2) бурильной колонны имеет вторую ударную поверхность (7), причем первая и вторая ударные поверхности расположены с упором друг в друга, отличающееся тем, что наружная резьба (5) и внутренняя резьба (6) выполнены коническими, а вершины (8) наружной резьбы (5) имеют радиус кривизны, составляющий более 30% шага резьбы.1. A threaded connection for a drill string designed for rock drilling, comprising an external thread (5) and an internal thread (4) interacting with it, wherein the external thread is located on the first member (3) of the drill string and the internal thread is on a second drill string element (2), and said first drill string element (3) has a first impact surface (6), and said second drill string element (2) has a second impact surface (7), wherein the first and second impact surfaces are us to focus each other, characterized in that the outer thread (5) and internal thread (6) are conical and the tops (8) of the outer thread (5) have a radius of curvature that is more than 30% of the thread pitch.
RU2001109235/03A 1998-09-28 1999-09-22 Threaded joint for drill string designed for rock percussion drilling RU2204684C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9803267A SE515518C2 (en) 1998-09-28 1998-09-28 String drill string thread for striking rock drilling
SE9803267-5 1998-09-28

Publications (2)

Publication Number Publication Date
RU2001109235A true RU2001109235A (en) 2003-03-10
RU2204684C2 RU2204684C2 (en) 2003-05-20

Family

ID=20412726

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001109235/03A RU2204684C2 (en) 1998-09-28 1999-09-22 Threaded joint for drill string designed for rock percussion drilling

Country Status (11)

Country Link
US (1) US6810956B1 (en)
EP (1) EP1127209B1 (en)
AT (1) ATE267338T1 (en)
AU (1) AU753562B2 (en)
CA (1) CA2345575C (en)
DE (1) DE69917475T2 (en)
ES (1) ES2221478T3 (en)
RU (1) RU2204684C2 (en)
SE (1) SE515518C2 (en)
WO (1) WO2000019056A1 (en)
ZA (1) ZA200102512B (en)

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US9643264B2 (en) 2013-07-25 2017-05-09 Kennametal Inc. Coupling mechanism for cutting tool
US9643262B2 (en) 2013-07-25 2017-05-09 Kennametal Inc. Coupling mechanism for cutting tool
US9889509B2 (en) 2014-05-05 2018-02-13 Kennametal Inc. Cutter heads with improved coupling
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PL3663506T3 (en) * 2018-12-03 2023-03-13 Sandvik Mining And Construction G.M.B.H. A drilling string, threaded coupling, and rod adaptor for rotary drilling

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