FR683929A - Distribution mechanism for punches - Google Patents

Distribution mechanism for punches

Info

Publication number
FR683929A
FR683929A FR683929DA FR683929A FR 683929 A FR683929 A FR 683929A FR 683929D A FR683929D A FR 683929DA FR 683929 A FR683929 A FR 683929A
Authority
FR
France
Prior art keywords
punches
distribution mechanism
distribution
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 FR683929A publication Critical patent/FR683929A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/24—Valve arrangements therefor involving a rocking-plate type valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
FR683929D 1929-01-28 1929-10-25 Distribution mechanism for punches Expired FR683929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US683929XA 1929-01-28 1929-01-28

Publications (1)

Publication Number Publication Date
FR683929A true FR683929A (en) 1930-06-19

Family

ID=22082280

Family Applications (1)

Application Number Title Priority Date Filing Date
FR683929D Expired FR683929A (en) 1929-01-28 1929-10-25 Distribution mechanism for punches

Country Status (3)

Country Link
DE (1) DE560446C (en)
FR (1) FR683929A (en)
GB (1) GB330489A (en)

Also Published As

Publication number Publication date
DE560446C (en) 1932-10-03
GB330489A (en) 1930-06-12

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