FR2461791A1 - Dispositif pour former des fentes dans des elements de construction en beton, en pierre ou en materiaux semblables - Google Patents

Dispositif pour former des fentes dans des elements de construction en beton, en pierre ou en materiaux semblables Download PDF

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Publication number
FR2461791A1
FR2461791A1 FR8012535A FR8012535A FR2461791A1 FR 2461791 A1 FR2461791 A1 FR 2461791A1 FR 8012535 A FR8012535 A FR 8012535A FR 8012535 A FR8012535 A FR 8012535A FR 2461791 A1 FR2461791 A1 FR 2461791A1
Authority
FR
France
Prior art keywords
hammers
retaining arms
tool
construction element
head
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.)
Granted
Application number
FR8012535A
Other languages
English (en)
French (fr)
Other versions
FR2461791B1 (enExample
Inventor
Heinz Kousek
Kurt Artho
Erwin Hosp
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of FR2461791A1 publication Critical patent/FR2461791A1/fr
Application granted granted Critical
Publication of FR2461791B1 publication Critical patent/FR2461791B1/fr
Granted legal-status Critical Current

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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • 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
    • B28D1/18—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by milling, e.g. channelling by means of milling tools
    • 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
    • B28D1/30—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor to form contours, i.e. curved surfaces, irrespective of the method of working used

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
FR8012535A 1979-07-23 1980-06-05 Dispositif pour former des fentes dans des elements de construction en beton, en pierre ou en materiaux semblables Granted FR2461791A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792929835 DE2929835A1 (de) 1979-07-23 1979-07-23 Vorrichtung zur herstellung von schlitzen in bauteilen aus beton, gestein o.dgl. werkstoffen

Publications (2)

Publication Number Publication Date
FR2461791A1 true FR2461791A1 (fr) 1981-02-06
FR2461791B1 FR2461791B1 (enExample) 1983-07-18

Family

ID=6076540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8012535A Granted FR2461791A1 (fr) 1979-07-23 1980-06-05 Dispositif pour former des fentes dans des elements de construction en beton, en pierre ou en materiaux semblables

Country Status (3)

Country Link
DE (1) DE2929835A1 (enExample)
FR (1) FR2461791A1 (enExample)
GB (1) GB2054441A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105350822A (zh) * 2015-12-10 2016-02-24 国网四川省电力公司凉山供电公司 一种分体咬合式便捷围栏杆

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5582538A (en) * 1994-04-04 1996-12-10 Hillestad; Tollief O. Boiler tube cutting apparatus
CN120773201A (zh) * 2025-07-25 2025-10-14 中建五局第四建设有限公司 一种用于混凝土预制构件的切割装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE26096C (de) * R. K. jones in Birkenhead, Chester, England Transportabler Lochschneider für Metallplatten
GB681329A (en) * 1950-10-03 1952-10-22 Albert George Birch Improvements in rotary cutting tools
US3007686A (en) * 1958-09-04 1961-11-07 Carl G Pearson Coring apparatus
GB995851A (en) * 1961-02-13 1965-06-23 Snappy Inc Portable sheet metal hole cutter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE26096C (de) * R. K. jones in Birkenhead, Chester, England Transportabler Lochschneider für Metallplatten
GB681329A (en) * 1950-10-03 1952-10-22 Albert George Birch Improvements in rotary cutting tools
US3007686A (en) * 1958-09-04 1961-11-07 Carl G Pearson Coring apparatus
GB995851A (en) * 1961-02-13 1965-06-23 Snappy Inc Portable sheet metal hole cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105350822A (zh) * 2015-12-10 2016-02-24 国网四川省电力公司凉山供电公司 一种分体咬合式便捷围栏杆

Also Published As

Publication number Publication date
FR2461791B1 (enExample) 1983-07-18
GB2054441A (en) 1981-02-18
DE2929835A1 (de) 1981-02-19

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Legal Events

Date Code Title Description
ST Notification of lapse