SU878954A2 - Anchor - Google Patents

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Publication number
SU878954A2
SU878954A2 SU792810767A SU2810767A SU878954A2 SU 878954 A2 SU878954 A2 SU 878954A2 SU 792810767 A SU792810767 A SU 792810767A SU 2810767 A SU2810767 A SU 2810767A SU 878954 A2 SU878954 A2 SU 878954A2
Authority
SU
USSR - Soviet Union
Prior art keywords
anchor
grooves
cutters
working part
screwing
Prior art date
Application number
SU792810767A
Other languages
Russian (ru)
Inventor
Олег Михайлович Жильников
Никита Леонидович Ким
Юрий Константинович Реев
Арнольд Владимирович Бергман
Original Assignee
Всесоюзный научно-исследовательский институт золота и редких 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 Всесоюзный научно-исследовательский институт золота и редких металлов filed Critical Всесоюзный научно-исследовательский институт золота и редких металлов
Priority to SU792810767A priority Critical patent/SU878954A2/en
Application granted granted Critical
Publication of SU878954A2 publication Critical patent/SU878954A2/en

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Description

33

скважины образующейс  буровой мелочи, на рабочей части анкера вынолнены нродольные винтовые пазы, нересекающие его резьбу, при этом концы пазов размещены перед рел ущими кромками резцов.boreholes of the forming drill, on the working part of the anchor, there are filled with non-horizontal screw grooves that do not cut its threads, while the ends of the grooves are placed in front of the edges of the cutters.

Источликн информации, ирин тые во виимаиие при экспертизеSources of information irined in the review during examination

1. Авторское свидетельство 1. Copyright certificate

СССР № 730967, кл. Е 21D 21/00, 1978.USSR № 730967, cl. E 21 D 21/00, 1978.

ff

4 /four /

Claims (1)

Формула изобретенияClaim Анкер по авт. св. № 730967, отличающийся тем, что, с целью снижения уси0 лия его ввинчивания путем удаления из скважины образующейся буровой мелочи, на рабочей части анкера выполнены продольные винтовые пазы, пересекающие его резьбу, при этом концы пазов размещены перед режущими кромками резцов.Auto Anchor St. No. 730967, characterized in that, in order to reduce the effort of screwing it in by removing the formed drill fines from the well, longitudinal screw grooves intersecting its thread are made on the working part of the anchor, while the ends of the grooves are placed in front of the cutting edges of the cutters.
SU792810767A 1979-08-15 1979-08-15 Anchor SU878954A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792810767A SU878954A2 (en) 1979-08-15 1979-08-15 Anchor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792810767A SU878954A2 (en) 1979-08-15 1979-08-15 Anchor

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
SU730967 Addition

Publications (1)

Publication Number Publication Date
SU878954A2 true SU878954A2 (en) 1981-11-07

Family

ID=20846770

Family Applications (1)

Application Number Title Priority Date Filing Date
SU792810767A SU878954A2 (en) 1979-08-15 1979-08-15 Anchor

Country Status (1)

Country Link
SU (1) SU878954A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2362879C2 (en) * 2003-08-20 2009-07-27 РЭЙТИОН ЮТиДи ИНК. Spiral blade bit, containing this bit system for rock casing, method for cutting spiral groove in internal surface of guide borehole and method of guide borehole reaming by means of said bit, system for casing rock with anchor bolt

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2362879C2 (en) * 2003-08-20 2009-07-27 РЭЙТИОН ЮТиДи ИНК. Spiral blade bit, containing this bit system for rock casing, method for cutting spiral groove in internal surface of guide borehole and method of guide borehole reaming by means of said bit, system for casing rock with anchor bolt
US8636448B2 (en) 2003-08-20 2014-01-28 Raytheon Company Drilling apparatus, method, and system

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