NO178293C - Hydraulisk drevet, repeterende slaghammer - Google Patents

Hydraulisk drevet, repeterende slaghammer

Info

Publication number
NO178293C
NO178293C NO922468A NO922468A NO178293C NO 178293 C NO178293 C NO 178293C NO 922468 A NO922468 A NO 922468A NO 922468 A NO922468 A NO 922468A NO 178293 C NO178293 C NO 178293C
Authority
NO
Norway
Prior art keywords
impact
hammer
poppet
frame
tool
Prior art date
Application number
NO922468A
Other languages
English (en)
Other versions
NO922468L (no
NO922468D0 (no
NO178293B (no
Inventor
Jack B Ottestad
Original Assignee
Esco Corp
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 Esco Corp filed Critical Esco Corp
Publication of NO922468D0 publication Critical patent/NO922468D0/no
Publication of NO922468L publication Critical patent/NO922468L/no
Priority to NO950975A priority Critical patent/NO179197C/no
Publication of NO178293B publication Critical patent/NO178293B/no
Publication of NO178293C publication Critical patent/NO178293C/no

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
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • 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

  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Lubricants (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Measuring Fluid Pressure (AREA)
  • Ceramic Products (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Road Repair (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Earth Drilling (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Crushing And Grinding (AREA)
  • Catching Or Destruction (AREA)
  • Soil Working Implements (AREA)
  • Saccharide Compounds (AREA)
NO922468A 1989-12-28 1992-06-22 Hydraulisk drevet, repeterende slaghammer NO178293C (no)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO950975A NO179197C (no) 1989-12-28 1995-03-14 Hydraulisk drevet, repeterende slaghammer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/457,479 US5065824A (en) 1989-12-28 1989-12-28 Hydraulically powered repetitive impact hammer
PCT/US1990/007564 WO1991009709A1 (en) 1989-12-28 1990-12-20 Hydraulically powered repetitive impact hammer

Publications (4)

Publication Number Publication Date
NO922468D0 NO922468D0 (no) 1992-06-22
NO922468L NO922468L (no) 1992-08-24
NO178293B NO178293B (no) 1995-11-20
NO178293C true NO178293C (no) 1996-02-28

Family

ID=23816899

Family Applications (1)

Application Number Title Priority Date Filing Date
NO922468A NO178293C (no) 1989-12-28 1992-06-22 Hydraulisk drevet, repeterende slaghammer

Country Status (18)

Country Link
US (1) US5065824A (no)
EP (1) EP0507856B1 (no)
JP (1) JP2919610B2 (no)
KR (2) KR0165562B1 (no)
AT (1) ATE176615T1 (no)
AU (1) AU638104B2 (no)
BR (1) BR9007948A (no)
CA (2) CA2139677C (no)
DE (1) DE69032948T2 (no)
DK (1) DK0507856T3 (no)
ES (1) ES2128316T3 (no)
FI (1) FI101522B (no)
GR (1) GR3029825T3 (no)
MX (1) MX172206B (no)
NO (1) NO178293C (no)
PT (1) PT96386B (no)
WO (1) WO1991009709A1 (no)
ZA (1) ZA9010432B (no)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269382A (en) * 1992-05-08 1993-12-14 Esco Corporation Impact device
US5752571A (en) * 1995-12-15 1998-05-19 Sapozhnikov; Zinoviy A. Apparatus for generating impacts
US5727639A (en) * 1996-03-11 1998-03-17 Lee Matherne Pile driving hammer improvement
US6460276B1 (en) * 1996-09-18 2002-10-08 3786111 Canada Inc. Excavation bucket incorporating an impact actuator assembly
EP1062393B1 (en) * 1998-03-10 2004-06-16 3786111 Canada Inc. Excavation bucket incorporating an impact actuator assembly
US6155353A (en) * 1999-07-23 2000-12-05 Ottestad; Jack B. Impact tool
FI116475B (fi) * 2001-06-19 2005-11-30 Sandvik Tamrock Oy Menetelmä rikotuslaitteen suojakotelon valmistamiseksi ja rikotuslaite
EP1362674B1 (en) * 2002-03-05 2004-12-29 IPT Technologies AB Device for generating a reciprocating movement and pneumatic tool
US7156190B2 (en) * 2003-12-19 2007-01-02 Clark Equipment Company Impact tool
KR20070045151A (ko) * 2004-07-09 2007-05-02 파워 테크 코포레이션 인코포레이티드 유압 작동식 충격 장치
JP4501757B2 (ja) * 2005-04-11 2010-07-14 日立工機株式会社 インパクト工具
EP1731271A1 (de) * 2005-06-09 2006-12-13 Netter Gmbh Pneumatisch arbeitender Klopfer sowie Verfahren zum Betreiben eines pneumatisch arbeitenden Klopfers
US20130037292A1 (en) * 2011-08-12 2013-02-14 Riyan Pneumatic Co., Ltd. Reversing actuating module for a reciprocating pneumatic tool
NO334793B1 (no) * 2011-08-19 2014-05-26 Pen Rock As Høyfrekvent væskedrevet borhammer for perkusjonsboring i harde formasjoner
KR101644473B1 (ko) * 2014-09-29 2016-08-01 서경순 타격 효율을 향상시키는 부스팅 장치를 갖는 타격장치
FR3037345B1 (fr) * 2015-06-11 2017-06-23 Montabert Roger Appareil hydraulique a percussions
CA3039595A1 (en) * 2016-11-17 2018-05-24 Junttan Oy A driving cylinder of a pile driving rig and a pile driving rig
CN108487857B (zh) * 2018-05-19 2024-01-16 山东胜利石油装备产业技术研究院 一种阀式液动冲击器
CN110241881B (zh) * 2019-07-16 2023-07-28 中交天津航道局有限公司 一种利用空压冲击辅助破碎的挖岩绞刀及其使用方法
EP4234170A1 (en) * 2022-02-24 2023-08-30 T-Rig Limited Hydraulic impact mechanism for use in equipment for processing rock and concrete

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1096886A (en) * 1914-01-14 1914-05-19 Ingersoll Rand Co Fluid-operated percussive tool.
US1264318A (en) * 1917-04-26 1918-04-30 John T Mcgrath Pneumatic tool.
US2539292A (en) * 1947-12-16 1951-01-23 Ingersoll Rand Co Pressure booster
US3101796A (en) * 1960-11-14 1963-08-27 Pan American Petroleum Corp Fluid-driven percussion motor
US3363513A (en) * 1966-07-11 1968-01-16 Jack B. Ottestad Impact ram
US3524385A (en) * 1966-07-11 1970-08-18 Impulse Prod Corp Control means for fluid-powered devices
US3363512A (en) * 1965-08-13 1968-01-16 Impulse Prod Corp Impact ram
US4111269A (en) * 1975-10-08 1978-09-05 Ottestad Jack Benton Hydraulically-powered impact tool

Also Published As

Publication number Publication date
PT96386A (pt) 1992-09-30
CA2068868C (en) 1995-07-11
AU638104B2 (en) 1993-06-17
KR920700862A (ko) 1992-08-10
US5065824A (en) 1991-11-19
PT96386B (pt) 1998-07-31
JP2919610B2 (ja) 1999-07-12
CA2139677C (en) 1996-11-26
FI922936A (fi) 1992-06-24
EP0507856A1 (en) 1992-10-14
NO922468L (no) 1992-08-24
EP0507856A4 (en) 1994-06-29
ATE176615T1 (de) 1999-02-15
CA2068868A1 (en) 1991-06-29
FI922936A0 (fi) 1992-06-24
GR3029825T3 (en) 1999-06-30
MX172206B (es) 1993-12-07
DE69032948D1 (de) 1999-03-25
KR0155954B1 (ko) 1999-02-18
ZA9010432B (en) 1991-12-24
FI101522B1 (fi) 1998-07-15
DK0507856T3 (da) 1999-09-20
EP0507856B1 (en) 1999-02-10
AU7165091A (en) 1991-07-24
FI101522B (fi) 1998-07-15
NO922468D0 (no) 1992-06-22
BR9007948A (pt) 1992-10-27
WO1991009709A1 (en) 1991-07-11
ES2128316T3 (es) 1999-05-16
KR0165562B1 (ko) 1999-03-20
JPH05503042A (ja) 1993-05-27
NO178293B (no) 1995-11-20
KR920703274A (ko) 1992-12-17
DE69032948T2 (de) 1999-08-26

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN JUNE 2001