FR587830A - Improvements to percussion pistons for perforators - Google Patents

Improvements to percussion pistons for perforators

Info

Publication number
FR587830A
FR587830A FR587830DA FR587830A FR 587830 A FR587830 A FR 587830A FR 587830D A FR587830D A FR 587830DA FR 587830 A FR587830 A FR 587830A
Authority
FR
France
Prior art keywords
perforators
percussion pistons
percussion
pistons
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR587830A publication Critical patent/FR587830A/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
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR587830D 1923-11-15 1924-10-22 Improvements to percussion pistons for perforators Expired FR587830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US587830XA 1923-11-15 1923-11-15

Publications (1)

Publication Number Publication Date
FR587830A true FR587830A (en) 1925-04-24

Family

ID=22018894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR587830D Expired FR587830A (en) 1923-11-15 1924-10-22 Improvements to percussion pistons for perforators

Country Status (1)

Country Link
FR (1) FR587830A (en)

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