EP0209373A3 - Pneumatisches Werkzeug mit doppeltätigem Ventil - Google Patents

Pneumatisches Werkzeug mit doppeltätigem Ventil Download PDF

Info

Publication number
EP0209373A3
EP0209373A3 EP86305468A EP86305468A EP0209373A3 EP 0209373 A3 EP0209373 A3 EP 0209373A3 EP 86305468 A EP86305468 A EP 86305468A EP 86305468 A EP86305468 A EP 86305468A EP 0209373 A3 EP0209373 A3 EP 0209373A3
Authority
EP
European Patent Office
Prior art keywords
piston
air tool
double acting
acting valve
fluid supply
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.)
Withdrawn
Application number
EP86305468A
Other languages
English (en)
French (fr)
Other versions
EP0209373A2 (de
Inventor
David Thomson Allan
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.)
John MacDonald and Company Pneumatic Tools Ltd
Original Assignee
John MacDonald and Company Pneumatic Tools Ltd
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 John MacDonald and Company Pneumatic Tools Ltd filed Critical John MacDonald and Company Pneumatic Tools Ltd
Publication of EP0209373A2 publication Critical patent/EP0209373A2/de
Publication of EP0209373A3 publication Critical patent/EP0209373A3/de
Withdrawn legal-status Critical Current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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP86305468A 1985-07-19 1986-07-16 Pneumatisches Werkzeug mit doppeltätigem Ventil Withdrawn EP0209373A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8518265 1985-07-19
GB858518265A GB8518265D0 (en) 1985-07-19 1985-07-19 Air tool

Publications (2)

Publication Number Publication Date
EP0209373A2 EP0209373A2 (de) 1987-01-21
EP0209373A3 true EP0209373A3 (de) 1989-08-16

Family

ID=10582537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86305468A Withdrawn EP0209373A3 (de) 1985-07-19 1986-07-16 Pneumatisches Werkzeug mit doppeltätigem Ventil

Country Status (4)

Country Link
EP (1) EP0209373A3 (de)
JP (1) JPS6294281A (de)
AU (1) AU6029086A (de)
GB (1) GB8518265D0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009185459A (ja) * 2008-02-04 2009-08-20 Ｙｋｋ Ａｐ株式会社 建具体
NO335354B1 (no) * 2013-02-18 2014-12-01 Pav Holding As Høyfrekvent væskedrevet borhammer for perkusjonsboring i harde formasjoner

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898665A (en) * 1930-02-15 1933-02-21 Ingersoll Rand Co Valve for rock drills
US1904694A (en) * 1930-07-10 1933-04-18 Chicago Pneumatic Tool Co Fluid pressure tool
US2813516A (en) * 1955-04-22 1957-11-19 Richard O Dulaney Pneumatic rotary drill hammer
GB814240A (en) * 1957-05-24 1959-06-03 Industrikompaniet Ab Vibrator
US3307639A (en) * 1964-11-23 1967-03-07 Pan American Petroleum Corp Valve system for percussion drill motor
US3946819A (en) * 1975-01-27 1976-03-30 Brown Equipment & Service Tools, Inc. Well tool and method of use therefor
US4467699A (en) * 1981-11-04 1984-08-28 Joy Manufacturing Company Pneumatic motor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898665A (en) * 1930-02-15 1933-02-21 Ingersoll Rand Co Valve for rock drills
US1904694A (en) * 1930-07-10 1933-04-18 Chicago Pneumatic Tool Co Fluid pressure tool
US2813516A (en) * 1955-04-22 1957-11-19 Richard O Dulaney Pneumatic rotary drill hammer
GB814240A (en) * 1957-05-24 1959-06-03 Industrikompaniet Ab Vibrator
US3307639A (en) * 1964-11-23 1967-03-07 Pan American Petroleum Corp Valve system for percussion drill motor
US3946819A (en) * 1975-01-27 1976-03-30 Brown Equipment & Service Tools, Inc. Well tool and method of use therefor
US4467699A (en) * 1981-11-04 1984-08-28 Joy Manufacturing Company Pneumatic motor

Also Published As

Publication number Publication date
GB8518265D0 (en) 1985-08-29
EP0209373A2 (de) 1987-01-21
AU6029086A (en) 1987-01-22
JPS6294281A (ja) 1987-04-30

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Inventor name: ALLAN, DAVID THOMSON