FR716798A - Valve mechanism for punches - Google Patents

Valve mechanism for punches

Info

Publication number
FR716798A
FR716798A FR716798DA FR716798A FR 716798 A FR716798 A FR 716798A FR 716798D A FR716798D A FR 716798DA FR 716798 A FR716798 A FR 716798A
Authority
FR
France
Prior art keywords
punches
valve mechanism
valve
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 FR716798A publication Critical patent/FR716798A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR716798D 1931-05-08 1931-05-08 Valve mechanism for punches Expired FR716798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR716798T 1931-05-08

Publications (1)

Publication Number Publication Date
FR716798A true FR716798A (en) 1931-12-28

Family

ID=9089739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR716798D Expired FR716798A (en) 1931-05-08 1931-05-08 Valve mechanism for punches

Country Status (1)

Country Link
FR (1) FR716798A (en)

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