NL140448B - PNEUMATIC IMPACT TOOL. - Google Patents

PNEUMATIC IMPACT TOOL.

Info

Publication number
NL140448B
NL140448B NL696906350A NL6906350A NL140448B NL 140448 B NL140448 B NL 140448B NL 696906350 A NL696906350 A NL 696906350A NL 6906350 A NL6906350 A NL 6906350A NL 140448 B NL140448 B NL 140448B
Authority
NL
Netherlands
Prior art keywords
impact tool
pneumatic impact
pneumatic
tool
impact
Prior art date
Application number
NL696906350A
Other languages
Dutch (nl)
Other versions
NL6906350A (en
Original Assignee
Ihc Holland Nv
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 Ihc Holland Nv filed Critical Ihc Holland Nv
Priority to NL696906350A priority Critical patent/NL140448B/en
Priority to US30833A priority patent/US3638423A/en
Priority to FR7014696A priority patent/FR2046372A5/fr
Priority to BE749419D priority patent/BE749419A/en
Priority to DE2021038A priority patent/DE2021038C3/en
Priority to JP45035333A priority patent/JPS4930189B1/ja
Publication of NL6906350A publication Critical patent/NL6906350A/xx
Publication of NL140448B publication Critical patent/NL140448B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
    • 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
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Details Of Reciprocating Pumps (AREA)
NL696906350A 1969-04-24 1969-04-24 PNEUMATIC IMPACT TOOL. NL140448B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL696906350A NL140448B (en) 1969-04-24 1969-04-24 PNEUMATIC IMPACT TOOL.
US30833A US3638423A (en) 1969-04-24 1970-04-22 Pneumatic tool
FR7014696A FR2046372A5 (en) 1969-04-24 1970-04-22
BE749419D BE749419A (en) 1969-04-24 1970-04-23 PNEUMATIC IMPACT TOOL
DE2021038A DE2021038C3 (en) 1969-04-24 1970-04-24 Device for breaking up the soil during mechanical excavation
JP45035333A JPS4930189B1 (en) 1969-04-24 1970-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL696906350A NL140448B (en) 1969-04-24 1969-04-24 PNEUMATIC IMPACT TOOL.

Publications (2)

Publication Number Publication Date
NL6906350A NL6906350A (en) 1970-10-27
NL140448B true NL140448B (en) 1973-12-17

Family

ID=19806784

Family Applications (1)

Application Number Title Priority Date Filing Date
NL696906350A NL140448B (en) 1969-04-24 1969-04-24 PNEUMATIC IMPACT TOOL.

Country Status (6)

Country Link
US (1) US3638423A (en)
JP (1) JPS4930189B1 (en)
BE (1) BE749419A (en)
DE (1) DE2021038C3 (en)
FR (1) FR2046372A5 (en)
NL (1) NL140448B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT368607B (en) * 1971-02-24 1982-10-25 Sieke Helmut DEVICE FOR VIBRATING ADJUSTMENT OF A WORKING PISTON
JPS5312033B2 (en) * 1972-11-14 1978-04-26
US3871527A (en) * 1973-04-04 1975-03-18 Westinghouse Electric Corp Ram tensioning device
SU1052627A1 (en) * 1979-05-14 1983-11-07 Институт Горного Дела Со Ан Ссср Percussive machine
JPS57500701A (en) * 1980-05-27 1982-04-22
DE19680008C1 (en) * 1995-05-16 2002-01-24 Globemag L P Power transmission system directly controlling electrical supply to variable speed motor driving hydraulic positive displacement pump
US8876452B2 (en) * 2009-04-03 2014-11-04 T&T Engineering Services, Inc. Raise-assist and smart energy system for a pipe handling apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US941409A (en) * 1905-03-09 1909-11-30 Westinghouse Machine Co Elastic-fluid turbine.
US2669840A (en) * 1948-03-24 1954-02-23 Joy Mfg Co Pulsator operated percussive device
GB729941A (en) * 1951-10-29 1955-05-11 Langenstein Und Schemann A G Improvements in hydraulic drop hammers
US2867086A (en) * 1954-12-20 1959-01-06 Emmett L Haley Portable pressure fluid power devices

Also Published As

Publication number Publication date
DE2021038A1 (en) 1970-11-12
NL6906350A (en) 1970-10-27
DE2021038B2 (en) 1978-11-16
FR2046372A5 (en) 1971-03-05
US3638423A (en) 1972-02-01
BE749419A (en) 1970-10-01
JPS4930189B1 (en) 1974-08-10
DE2021038C3 (en) 1979-07-19

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: HOLLAND