SU588336A1 - Rock bit - Google Patents
Rock bitInfo
- Publication number
- SU588336A1 SU588336A1 SU752173008A SU2173008A SU588336A1 SU 588336 A1 SU588336 A1 SU 588336A1 SU 752173008 A SU752173008 A SU 752173008A SU 2173008 A SU2173008 A SU 2173008A SU 588336 A1 SU588336 A1 SU 588336A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- rock bit
- rock
- bit
- breaking elements
- vpadina
- Prior art date
Links
Landscapes
- Working Measures On Existing Buildindgs (AREA)
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Description
(54) ПОРОДОРАЗРУШАЮЩАЯ ВСТАВКА(54) BREED-DESTROYING INSERT
состо щую из нескольких породоразрушающих элементов, отличающа с тем, что, с целью повышени ее стойкости за счет увеличени - прочности породоразрушающпх элементов , последние выполнены сферической формы и сопр жены один с другим седлообразной ВпадИНой.consisting of several rock-breaking elements, characterized in that, in order to increase its durability by increasing the strength of the rock-breaking elements, the latter are made spherical in shape and are associated with one another saddle-shaped VpadINA.
Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination
1.Авторское свидетельство № 265031, кл. Е 21В 9/08, 1965.1. Author's certificate No. 265031, cl. E 21B 9/08, 1965.
2.Патент США № 2174389, кл. 175-411, опублик. в 1939.2. US patent number 2174389, cl. 175-411, published. in 1939.
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Фиг. 5FIG. five
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Фиг. 9FIG. 9
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU752173008A SU588336A1 (en) | 1975-09-08 | 1975-09-08 | Rock bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU752173008A SU588336A1 (en) | 1975-09-08 | 1975-09-08 | Rock bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU588336A1 true SU588336A1 (en) | 1978-01-15 |
Family
ID=20631966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU752173008A SU588336A1 (en) | 1975-09-08 | 1975-09-08 | Rock bit |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU588336A1 (en) |
-
1975
- 1975-09-08 SU SU752173008A patent/SU588336A1/en active
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