FR591042A - Improvements to pneumatic jackhammers - Google Patents

Improvements to pneumatic jackhammers

Info

Publication number
FR591042A
FR591042A FR591042DA FR591042A FR 591042 A FR591042 A FR 591042A FR 591042D A FR591042D A FR 591042DA FR 591042 A FR591042 A FR 591042A
Authority
FR
France
Prior art keywords
jackhammers
pneumatic
pneumatic jackhammers
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
Application number
Other languages
French (fr)
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.)
FORGES ET ATELIERS DE MEUDON
Original Assignee
FORGES ET ATELIERS DE MEUDON
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 FORGES ET ATELIERS DE MEUDON filed Critical FORGES ET ATELIERS DE MEUDON
Application granted granted Critical
Publication of FR591042A publication Critical patent/FR591042A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B25D17/02—Percussive tool bits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/211—Cross-sections of the tool
    • B25D2250/215—Narrowing cross-sections
FR591042D 1924-12-27 1924-12-27 Improvements to pneumatic jackhammers Expired FR591042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR591042T 1924-12-27

Publications (1)

Publication Number Publication Date
FR591042A true FR591042A (en) 1925-06-26

Family

ID=8963868

Family Applications (1)

Application Number Title Priority Date Filing Date
FR591042D Expired FR591042A (en) 1924-12-27 1924-12-27 Improvements to pneumatic jackhammers

Country Status (1)

Country Link
FR (1) FR591042A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1043248B (en) * 1955-06-04 1958-11-13 Rudolf Hausherr & Soehne G M B Compressed air extraction tool with an impact or rotary tool for producing a guide hole and a detonating wedge that can move on this
EP1413403A1 (en) 2002-09-25 2004-04-28 HILTI Aktiengesellschaft Pointed chisel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1043248B (en) * 1955-06-04 1958-11-13 Rudolf Hausherr & Soehne G M B Compressed air extraction tool with an impact or rotary tool for producing a guide hole and a detonating wedge that can move on this
EP1413403A1 (en) 2002-09-25 2004-04-28 HILTI Aktiengesellschaft Pointed chisel
CN100341673C (en) * 2002-09-25 2007-10-10 希尔蒂股份公司 Pointed tap-hole rod

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