UA87235C2 - Drill crown - Google Patents

Drill crown

Info

Publication number
UA87235C2
UA87235C2 UAA200714275A UAA200714275A UA87235C2 UA 87235 C2 UA87235 C2 UA 87235C2 UA A200714275 A UAA200714275 A UA A200714275A UA A200714275 A UAA200714275 A UA A200714275A UA 87235 C2 UA87235 C2 UA 87235C2
Authority
UA
Ukraine
Prior art keywords
sectors
shape
rectangular
working
die
Prior art date
Application number
UAA200714275A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Роберт Константинович Богданов
Анатолий Петрович Закора
Александр Михайлович Исонкин
Галина Павловна Богатырева
Галина Дмитриевна Ильницкая
Original Assignee
Институт Сверхтвердых Материалов Им. В.М. Бакуля Нан Украины
Роберт Константинович Богданов
Анатолий Петрович Закора
Александр Михайлович Исонкин
Галина Павловна Богатырева
Галина Дмитриевна Ильницкая
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 Институт Сверхтвердых Материалов Им. В.М. Бакуля Нан Украины, Роберт Константинович Богданов, Анатолий Петрович Закора, Александр Михайлович Исонкин, Галина Павловна Богатырева, Галина Дмитриевна Ильницкая filed Critical Институт Сверхтвердых Материалов Им. В.М. Бакуля Нан Украины
Priority to UAA200714275A priority Critical patent/UA87235C2/en
Publication of UA87235C2 publication Critical patent/UA87235C2/en

Links

Landscapes

  • Drilling Tools (AREA)

Abstract

Drill crown has body with diamond-containing die placed at the end, separated with washing slots to working sectors with changing profile in cross-radial section of each working sector of crown, those alternate in perimeter of working end of the die. Sectors alternating in perimeter of working end of die are rectangular in shape, and as rectangular trapezoid. At that sectors that are in shape of rectangular trapezoid are equipped with more strong diamonds and are smaller in length and larger height of part of sector that comes compared to sectors that are rectangular in shape, and parts of leaving sectors that are in shape of rectangular trapezoid are at one level with working surface of sectors in rectangular shape.
UAA200714275A 2007-12-19 2007-12-19 Drill crown UA87235C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
UAA200714275A UA87235C2 (en) 2007-12-19 2007-12-19 Drill crown

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
UAA200714275A UA87235C2 (en) 2007-12-19 2007-12-19 Drill crown

Publications (1)

Publication Number Publication Date
UA87235C2 true UA87235C2 (en) 2009-06-25

Family

ID=50632016

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA200714275A UA87235C2 (en) 2007-12-19 2007-12-19 Drill crown

Country Status (1)

Country Link
UA (1) UA87235C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2473774C1 (en) * 2011-10-05 2013-01-27 Николай Митрофанович Панин Diamond crown bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2473774C1 (en) * 2011-10-05 2013-01-27 Николай Митрофанович Панин Diamond crown bit

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