PL89784B1 - - Google Patents

Download PDF

Info

Publication number
PL89784B1
PL89784B1 PL16198973A PL16198973A PL89784B1 PL 89784 B1 PL89784 B1 PL 89784B1 PL 16198973 A PL16198973 A PL 16198973A PL 16198973 A PL16198973 A PL 16198973A PL 89784 B1 PL89784 B1 PL 89784B1
Authority
PL
Poland
Prior art keywords
decks
soft
plastic
tooth
bite
Prior art date
Application number
PL16198973A
Other languages
English (en)
Polish (pl)
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 filed Critical
Priority to PL16198973A priority Critical patent/PL89784B1/pl
Publication of PL89784B1 publication Critical patent/PL89784B1/pl

Links

Landscapes

  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
PL16198973A 1973-04-18 1973-04-18 PL89784B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16198973A PL89784B1 (enExample) 1973-04-18 1973-04-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL16198973A PL89784B1 (enExample) 1973-04-18 1973-04-18

Publications (1)

Publication Number Publication Date
PL89784B1 true PL89784B1 (enExample) 1976-12-31

Family

ID=19962289

Family Applications (1)

Application Number Title Priority Date Filing Date
PL16198973A PL89784B1 (enExample) 1973-04-18 1973-04-18

Country Status (1)

Country Link
PL (1) PL89784B1 (enExample)

Similar Documents

Publication Publication Date Title
CA2085567A1 (en) Cutter blades for rotary tubing tools
SE8400950L (sv) Skerelement och borrsker
DE68907006D1 (de) Rotierende nutschneidwerkzeuge, schneideinsaetze und montagenmethode der einsaetze in die werkzeuge.
ATE40443T1 (de) Kugelfoermiger bohrmeissel.
SE8404027L (sv) Installationsborr
FR2560541B1 (fr) Machine executant diverses operations d'usinage, telles que tournage, fraisage, alesage
GB1270347A (en) Twist drill
PL255696A1 (en) Method of obtaining pyroxicame salts
SE8700290D0 (sv) Skerskivor for bergbearbetande maskiner
PL89784B1 (enExample)
US2927778A (en) Rotary drill cutters
IT8319450A0 (it) Taglienti principali e taglienti utensili di foratura del tipo a centrali associati.
SE8003905L (sv) Borrhuvud
ATE14690T1 (de) Fraeswerkzeug zum bohren und nuten.
US2399372A (en) Rotary cutting tool
SU1275086A1 (ru) Буровое долото
RU2169249C2 (ru) Алмазная буровая коронка
US1554160A (en) Manganese rotary bit
SU1435746A1 (ru) Шарошка бурового долота
SU624729A1 (ru) Режущий инструмент с круглыми самовращающимис резцами
SU145496A1 (ru) Бурова коронка с режущими резцами
US2055615A (en) Disk bit and disk retaining means
SU832051A1 (ru) Фрезер
RU2019701C1 (ru) Расширитель для бурения скважин большого диаметра
SU569400A1 (ru) Способ дроблени стружки при глубоком сверлении