RU98120241A - DRILLING DRILL WITH INSERT EXTENDED CROWN - Google Patents

DRILLING DRILL WITH INSERT EXTENDED CROWN

Info

Publication number
RU98120241A
RU98120241A RU98120241/03A RU98120241A RU98120241A RU 98120241 A RU98120241 A RU 98120241A RU 98120241/03 A RU98120241/03 A RU 98120241/03A RU 98120241 A RU98120241 A RU 98120241A RU 98120241 A RU98120241 A RU 98120241A
Authority
RU
Russia
Prior art keywords
plates
cuts
sectors
drilling drill
outer case
Prior art date
Application number
RU98120241/03A
Other languages
Russian (ru)
Other versions
RU2204011C2 (en
Inventor
А.М. Жуков
И.М. Поташинский
Original Assignee
Всероссийский научно-исследовательский институт методики и техники разведки
Filing date
Publication date
Application filed by Всероссийский научно-исследовательский институт методики и техники разведки filed Critical Всероссийский научно-исследовательский институт методики и техники разведки
Priority to RU98120241/03A priority Critical patent/RU2204011C2/en
Priority claimed from RU98120241/03A external-priority patent/RU2204011C2/en
Publication of RU98120241A publication Critical patent/RU98120241A/en
Application granted granted Critical
Publication of RU2204011C2 publication Critical patent/RU2204011C2/en

Links

Claims (1)

Буровой снаряд с вставной коронкой-расширителем, состоящий из колонковой и керноприемной трубы, наружного корпуса и внутреннего с разрезами, переходящими в разрезы упругих пластин, снабженных породоразрушающими секторами, отличающийся тем, что наружный корпус в средней части имеет окна, в верхней и нижней части - пазы, а внутренний корпус имеет упругие пластины различной длины, причем пластины имеющие меньшую длину снабжены разрезами и секторами расширителя, помещенные в окнах наружного корпуса, а на длинных пластинах расположеными между короткими пластинами помещены короночные секторы и ориентирующие пластины соответственно под нижние и верхние пазы наружного корпуса.A drill with an insertable crown-expander, consisting of a core and core receiver pipe, an outer case and an inner one with cuts turning into cuts of elastic plates equipped with rock cutting sectors, characterized in that the outer case in the middle part has windows, in the upper and lower parts - grooves, and the inner case has elastic plates of different lengths, and the plates having a shorter length are equipped with cuts and sectors of the expander, placed in the windows of the outer case, and on long plates located between in short, the plates are placed koronochnye sectors and orienting the plate, respectively, by the upper and lower grooves of the outer shell.
RU98120241/03A 1998-11-06 1998-11-06 Drilling tool with collapsible reamer bit RU2204011C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98120241/03A RU2204011C2 (en) 1998-11-06 1998-11-06 Drilling tool with collapsible reamer bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98120241/03A RU2204011C2 (en) 1998-11-06 1998-11-06 Drilling tool with collapsible reamer bit

Publications (2)

Publication Number Publication Date
RU98120241A true RU98120241A (en) 2000-09-10
RU2204011C2 RU2204011C2 (en) 2003-05-10

Family

ID=20212117

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98120241/03A RU2204011C2 (en) 1998-11-06 1998-11-06 Drilling tool with collapsible reamer bit

Country Status (1)

Country Link
RU (1) RU2204011C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265219B (en) * 2014-09-19 2016-10-19 中国矿业大学 A kind of core original state structure recognition means and method

Similar Documents

Publication Publication Date Title
DE69831780D1 (en) Drill bit with PDC cutting insert with improved cutting ability
GB9720245D0 (en) Drill bit,cutting structure and cutting element
GB2328965B (en) Drill bit with cutter element having expanded cutting portion
NO992906L (en) Drill bit
DE69424720D1 (en) Drill bits with improved cutting structure
DE69020836T2 (en) Drill bit with multi-part cutting structure.
DE69712996D1 (en) Twist drill bit improvements
GB9819098D0 (en) Cutting element with controlled superabrasive contact area,drill bits so equipped and methods of drilling
NO912305D0 (en) HARD METAL FOR MOUNTAIN DRILLING, MINERAL CUTTING AND ENGINE TECHNIQUE.
EP0753094A4 (en) Rotary drill bit with improved cutter
DE3772955D1 (en) EROSION-RESISTANT CUTTING CHISEL WITH HARD ORDER WELDING.
DE69825520D1 (en) Twist drill bit improvements
IT1293964B1 (en) DRILLING BIT WITH INTERNAL ROW ELEMENTS FOR FRACTURE CUTTING.
NO882979L (en) Centrifugal drill bit collector.
DE69803677T2 (en) CUTTING DRILL BIT WITH WEDGE HOLDING DEVICE OF THE CUTTING INSERT
GB0013322D0 (en) Superabrasive cutting elements and drill bit so equipped
DE69107587D1 (en) Drill bits with interchangeable cutting inserts.
NO20026184D0 (en) The drill bit
DE59812348D1 (en) Rock drill bits with helical discharge grooves
DE69916525D1 (en) Two-stage drill head
DE59712041D1 (en) Concrete or rock drilling tool with helical discharge grooves
ATE311952T1 (en) METAL DRILL WITH CUTTING INSERT WHICH CUTTERS RADIALLY OVERLAP
NO852444L (en) The rotary drill bit.
DE59802704D1 (en) Drilling and / or chisel tools
NL1007361A1 (en) Hole puncher.