DE58907334D1 - Drilling tool. - Google Patents

Drilling tool.

Info

Publication number
DE58907334D1
DE58907334D1 DE89710056T DE58907334T DE58907334D1 DE 58907334 D1 DE58907334 D1 DE 58907334D1 DE 89710056 T DE89710056 T DE 89710056T DE 58907334 T DE58907334 T DE 58907334T DE 58907334 D1 DE58907334 D1 DE 58907334D1
Authority
DE
Germany
Prior art keywords
drilling tool
drilling
tool
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE89710056T
Other languages
German (de)
Inventor
August Haussmann
Wolfgang Dipl Ing Peetz
Bernhard Moser
Bernd Wessbecher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Original Assignee
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
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 Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG filed Critical Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Application granted granted Critical
Publication of DE58907334D1 publication Critical patent/DE58907334D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
DE89710056T 1988-07-16 1989-06-10 Drilling tool. Expired - Fee Related DE58907334D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3824170 1988-07-16

Publications (1)

Publication Number Publication Date
DE58907334D1 true DE58907334D1 (en) 1994-05-05

Family

ID=6358830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89710056T Expired - Fee Related DE58907334D1 (en) 1988-07-16 1989-06-10 Drilling tool.

Country Status (2)

Country Link
EP (1) EP0352215B1 (en)
DE (1) DE58907334D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001233611A1 (en) * 2000-03-10 2001-09-17 American Tool Companies A/S Drill bit
DE10015203A1 (en) * 2000-03-27 2001-10-04 Hilti Ag Twist drill
CN102330544A (en) * 2011-10-13 2012-01-25 中国石油集团西部钻探工程有限公司 Spiral casing scraper
EP3305448B1 (en) 2016-09-23 2020-11-04 Milwaukee Electric Tool Corporation Hole saw arbor assembly
EP3354385B1 (en) 2017-01-06 2020-05-27 Milwaukee Electric Tool Corporation Hole saw
USD973733S1 (en) 2017-08-15 2022-12-27 Milwaukee Electric Tool Corporation Hole saw
CN112832773A (en) * 2020-12-30 2021-05-25 重庆交通大学 A deformation drill bit for tunnel chaplet face blasting excavation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1380517A (en) * 1920-06-28 1921-06-07 Samuel F Bashara Well-screen cleaner
US2693611A (en) * 1953-03-25 1954-11-09 William A Lombardi Flexible rotary cylindrical brush
GB836034A (en) * 1956-09-19 1960-06-01 Albico Prec Engineering Ltd An improved masonry or like drill bit
US3824646A (en) * 1972-11-17 1974-07-23 M Jai Combination drilling and brushing tool in a pipe cleaning machine
NL7401084A (en) * 1973-01-27 1974-07-30

Also Published As

Publication number Publication date
EP0352215A2 (en) 1990-01-24
EP0352215B1 (en) 1994-03-30
EP0352215A3 (en) 1990-12-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee