RU92003558A - DRILL CROWN - Google Patents

DRILL CROWN

Info

Publication number
RU92003558A
RU92003558A RU92003558/03A RU92003558A RU92003558A RU 92003558 A RU92003558 A RU 92003558A RU 92003558/03 A RU92003558/03 A RU 92003558/03A RU 92003558 A RU92003558 A RU 92003558A RU 92003558 A RU92003558 A RU 92003558A
Authority
RU
Russia
Prior art keywords
drill bit
drill crown
shank
crown
drill
Prior art date
Application number
RU92003558/03A
Other languages
Russian (ru)
Inventor
В.Г. Божко
Л.И. Кантович
К.М. Первов
Original Assignee
В.Г. Божко
Л.И. Кантович
К.М. Первов
Filing date
Publication date
Application filed by В.Г. Божко, Л.И. Кантович, К.М. Первов filed Critical В.Г. Божко
Publication of RU92003558A publication Critical patent/RU92003558A/en

Links

Claims (1)

Буровая коронка используется для ударно-поворотного бурения. Сущность изобретения: буровая коронка содержит головку с породоразрушающими элементами, хвостовик с фиксацией под шпонку в пневмоударнике. В полости хвостовика буровой коронки размещено промежуточное звено, состоящее из бойка-стержня и пружины.The drill bit is used for percussion drilling. The inventive drill bit contains a head with rock-breaking elements, a shank with fixation under the key in the hammer. In the cavity of the shank of the drill bit is placed an intermediate link consisting of a striker rod and a spring.
RU92003558/03A 1992-11-03 DRILL CROWN RU92003558A (en)

Publications (1)

Publication Number Publication Date
RU92003558A true RU92003558A (en) 1995-05-20

Family

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