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CH541712A - Cutting insert - Google Patents

Cutting insert

Info

Publication number
CH541712A
CH541712A CH197570A CH197570A CH541712A CH 541712 A CH541712 A CH 541712A CH 197570 A CH197570 A CH 197570A CH 197570 A CH197570 A CH 197570A CH 541712 A CH541712 A CH 541712A
Authority
CH
Switzerland
Prior art keywords
cutting insert
insert
cutting
Prior art date
Application number
CH197570A
Other languages
German (de)
Inventor
William Jr Schumacher Percy
Original Assignee
Murphy Ind Inc G W
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 Murphy Ind Inc G W filed Critical Murphy Ind Inc G W
Publication of CH541712A publication Critical patent/CH541712A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
CH197570A 1969-03-28 1970-02-11 Cutting insert CH541712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81134169A 1969-03-28 1969-03-28

Publications (1)

Publication Number Publication Date
CH541712A true CH541712A (en) 1973-09-15

Family

ID=25206289

Family Applications (1)

Application Number Title Priority Date Filing Date
CH197570A CH541712A (en) 1969-03-28 1970-02-11 Cutting insert

Country Status (8)

Country Link
JP (1) JPS5017001B1 (en)
AU (1) AU1090970A (en)
CA (1) CA923114A (en)
CH (1) CH541712A (en)
DE (1) DE2007636A1 (en)
GB (1) GB1282226A (en)
IE (1) IE33960B1 (en)
SE (1) SE361189B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025581A1 (en) * 1995-02-14 1996-08-22 Sandvik Ab Cutter for a boring head

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4640989A1 (en) * 2022-12-22 2025-10-29 China Petroleum & Chemical Corporation Pdc-roller hybrid drill bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025581A1 (en) * 1995-02-14 1996-08-22 Sandvik Ab Cutter for a boring head
AU706595B2 (en) * 1995-02-14 1999-06-17 Sandvik Ab Cutter for a boring head

Also Published As

Publication number Publication date
CA923114A (en) 1973-03-20
JPS5017001B1 (en) 1975-06-18
DE2007636A1 (en) 1970-10-08
IE33960L (en) 1970-09-28
AU1090970A (en) 1971-08-05
SE361189B (en) 1973-10-22
IE33960B1 (en) 1974-12-30
GB1282226A (en) 1972-07-19

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Legal Events

Date Code Title Description
PL Patent ceased