RO86863B1 - Deep drilling bit - Google Patents

Deep drilling bit

Info

Publication number
RO86863B1
RO86863B1 RO111533A RO11153383A RO86863B1 RO 86863 B1 RO86863 B1 RO 86863B1 RO 111533 A RO111533 A RO 111533A RO 11153383 A RO11153383 A RO 11153383A RO 86863 B1 RO86863 B1 RO 86863B1
Authority
RO
Romania
Prior art keywords
drilling bit
deep drilling
increase
deep
drill
Prior art date
Application number
RO111533A
Other languages
Romanian (ro)
Other versions
RO86863A2 (en
Inventor
Florea Cioc
Ion Iovanescu
Nicolae Vrabiescu
Original Assignee
Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini-Unelte
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 Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini-Unelte filed Critical Institutul De Cercetare Stiintifica Si Inginerie Tehnologica Pentru Masini-Unelte
Priority to RO111533A priority Critical patent/RO86863B1/en
Publication of RO86863A2 publication Critical patent/RO86863A2/en
Publication of RO86863B1 publication Critical patent/RO86863B1/en

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  • Earth Drilling (AREA)
  • Drilling Tools (AREA)

Abstract

Inventia se refera la un burghiu de gaurire adînca avînd canale exterioare cu tuburi de conducere a fluidului de racire-ungere, care în scopul cresterii durabilitatii maririi sigurantei în exploatare, cresterii productivitatii si îmbunatatirii calitatii pieselor canalele de amplasare a tuburilor au în sectiune normala forma unui trapez cu baza mica deschisa situata spre exterior si baza mare în trepte simetrice situata spre axa burghiului.The invention relates to a deep drill bit having external channels with cooling and lubricating fluid conduction tubes, which in order to increase the durability of increasing the safety in operation, increase the productivity and improve the quality of the parts. trapezoid with small open base located outwards and large base in symmetrical steps located on the axis of the drill.

RO111533A 1983-07-05 1983-07-05 Deep drilling bit RO86863B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO111533A RO86863B1 (en) 1983-07-05 1983-07-05 Deep drilling bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO111533A RO86863B1 (en) 1983-07-05 1983-07-05 Deep drilling bit

Publications (2)

Publication Number Publication Date
RO86863A2 RO86863A2 (en) 1985-08-31
RO86863B1 true RO86863B1 (en) 1985-09-01

Family

ID=20113356

Family Applications (1)

Application Number Title Priority Date Filing Date
RO111533A RO86863B1 (en) 1983-07-05 1983-07-05 Deep drilling bit

Country Status (1)

Country Link
RO (1) RO86863B1 (en)

Also Published As

Publication number Publication date
RO86863A2 (en) 1985-08-31

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