GB1356022A - Impact tools or apparatus - Google Patents

Impact tools or apparatus

Info

Publication number
GB1356022A
GB1356022A GB432671A GB432671A GB1356022A GB 1356022 A GB1356022 A GB 1356022A GB 432671 A GB432671 A GB 432671A GB 432671 A GB432671 A GB 432671A GB 1356022 A GB1356022 A GB 1356022A
Authority
GB
United Kingdom
Prior art keywords
valve
spool
fluid
piston
line
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
GB432671A
Other languages
English (en)
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Priority to GB432671A priority Critical patent/GB1356022A/en
Priority to DE19712147935 priority patent/DE2147935B2/de
Priority to US00218671A priority patent/US3800664A/en
Priority to AU38222/72A priority patent/AU461421B2/en
Priority to BE778621A priority patent/BE778621A/xx
Priority to CA133498A priority patent/CA937835A/en
Priority to IT48073/72A priority patent/IT948390B/it
Priority to JP1143072A priority patent/JPS5315001B1/ja
Priority to NL7201642.A priority patent/NL166636C/xx
Priority to ES399577A priority patent/ES399577A1/es
Priority to ZA720824A priority patent/ZA72824B/xx
Priority to CS785A priority patent/CS178404B2/cs
Priority to FR7204131A priority patent/FR2126776A5/fr
Priority to SE7201497A priority patent/SE398720B/xx
Priority to HUDO362A priority patent/HU164405B/hu
Publication of GB1356022A publication Critical patent/GB1356022A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/22—Hand tools or hand-held power-operated tools specially adapted for dislodging minerals
    • 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S173/00—Tool driving or impacting
    • Y10S173/04—Liquid operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Forging (AREA)
  • Portable Nailing Machines And Staplers (AREA)
GB432671A 1971-02-10 1971-02-10 Impact tools or apparatus Expired GB1356022A (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
GB432671A GB1356022A (en) 1971-02-10 1971-02-10 Impact tools or apparatus
DE19712147935 DE2147935B2 (de) 1971-02-10 1971-09-25 Schlagwerkzeug
US00218671A US3800664A (en) 1971-02-10 1972-01-18 Impact tools or apparatus
AU38222/72A AU461421B2 (en) 1971-02-10 1972-01-24 Improvements in or relaxing to impact tools or apparatus
BE778621A BE778621A (fr) 1971-02-10 1972-01-28 Perfectionnements aux outils ou appareils a percussion
CA133498A CA937835A (en) 1971-02-10 1972-01-31 Impact tools or apparatus
IT48073/72A IT948390B (it) 1971-02-10 1972-02-01 Perfezionamenti in o relativi ad attrezzi od apparati a percus sione
JP1143072A JPS5315001B1 (enrdf_load_stackoverflow) 1971-02-10 1972-02-02
NL7201642.A NL166636C (nl) 1971-02-10 1972-02-08 Slagwerktuig.
ES399577A ES399577A1 (es) 1971-02-10 1972-02-08 Mejoras en la construccion de herramientas o aparatos de impacto.
ZA720824A ZA72824B (en) 1971-02-10 1972-02-08 Improvements in or relating to impact tools or apparatus
CS785A CS178404B2 (enrdf_load_stackoverflow) 1971-02-10 1972-02-08
FR7204131A FR2126776A5 (enrdf_load_stackoverflow) 1971-02-10 1972-02-08
SE7201497A SE398720B (sv) 1971-02-10 1972-02-09 Slagverktyg
HUDO362A HU164405B (enrdf_load_stackoverflow) 1971-02-10 1972-02-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB432671A GB1356022A (en) 1971-02-10 1971-02-10 Impact tools or apparatus

Publications (1)

Publication Number Publication Date
GB1356022A true GB1356022A (en) 1974-06-12

Family

ID=9775054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB432671A Expired GB1356022A (en) 1971-02-10 1971-02-10 Impact tools or apparatus

Country Status (15)

Country Link
US (1) US3800664A (enrdf_load_stackoverflow)
JP (1) JPS5315001B1 (enrdf_load_stackoverflow)
AU (1) AU461421B2 (enrdf_load_stackoverflow)
BE (1) BE778621A (enrdf_load_stackoverflow)
CA (1) CA937835A (enrdf_load_stackoverflow)
CS (1) CS178404B2 (enrdf_load_stackoverflow)
DE (1) DE2147935B2 (enrdf_load_stackoverflow)
ES (1) ES399577A1 (enrdf_load_stackoverflow)
FR (1) FR2126776A5 (enrdf_load_stackoverflow)
GB (1) GB1356022A (enrdf_load_stackoverflow)
HU (1) HU164405B (enrdf_load_stackoverflow)
IT (1) IT948390B (enrdf_load_stackoverflow)
NL (1) NL166636C (enrdf_load_stackoverflow)
SE (1) SE398720B (enrdf_load_stackoverflow)
ZA (1) ZA72824B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256145A (en) * 1976-01-29 1981-03-17 Dobson Park Industries Limited Impact type tools
EP0070044A1 (en) * 1978-10-19 1983-01-19 Atlas Copco Aktiebolag Hydraulically operated impact motor
DE3307113A1 (de) * 1982-03-02 1983-09-22 Dobson Park Industries PLC, Colwick, Nottingham Druckmittelbetriebenes schlagwerkzeug
CN113560549A (zh) * 2021-08-06 2021-10-29 四川省柏均机械制造有限责任公司 高锰钢铸件去冒口冲击锤
US11634949B2 (en) 2015-07-01 2023-04-25 Tracto-Technik Gmbh & Co. Kg Percussion boring device and method for reversing a percussion boring device

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925985A (en) * 1973-01-09 1975-12-16 Rapidex Inc Impact actuator
US4006783A (en) * 1975-03-17 1977-02-08 Linden-Alimak Ab Hydraulic operated rock drilling apparatus
US4036108A (en) * 1975-09-12 1977-07-19 Dobson Park Industries, Ltd. Pressure fluid operated percussion tools
US3995700A (en) * 1975-10-14 1976-12-07 Gardner-Denver Company Hydraulic rock drill system
US4172411A (en) * 1976-06-09 1979-10-30 Mitsui Engineering & Shipbuilding Co., Ltd. Hydraulic hammer
US4344353A (en) * 1979-05-14 1982-08-17 Joy Manufacturing Company Hammer
US4512417A (en) * 1981-11-05 1985-04-23 Ingersoll-Rand Company Hydraulic reciprocating device
JPS60153639U (ja) * 1984-03-22 1985-10-14 株式会社荏原製作所 耐水絶縁電線型水中モ−タ
WO1987003925A1 (fr) * 1985-12-23 1987-07-02 Spetsialnoe Konstruktorskoe Bjuro Gidroimpulsnoi T Dispositif de percussion
DE4229590C2 (de) * 1992-09-04 1996-06-20 Klemm Guenter Hydraulisches Schlaggerät mit Vorsteuerventil
JP5899071B2 (ja) * 2012-07-06 2016-04-06 古河ロックドリル株式会社 油圧ブレーカ用ガス給気装置およびこれを備えるガス給気装置付油圧ブレーカ
SE542480C2 (en) * 2017-09-08 2020-05-19 Epiroc Rock Drills Ab Mining or construction vehicle enclosing a conduit arrangement
SE541217C2 (en) * 2017-09-08 2019-05-07 Epiroc Rock Drills Ab Mining or construction vehicle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784684A (en) * 1954-08-31 1957-10-16 George Stephen Kammer Improvements in reciprocating motors for actuation by a fluid supplied at substantially constant pressure
CH376866A (de) * 1958-11-17 1964-04-15 Ingbuero Dipl Ing Friedrich He Steuerung an hydraulisch betriebenen Schlagvorrichtungen
FR1361466A (fr) * 1963-04-09 1964-05-22 Hispano Suiza Sa Perfectionnements apportés aux installations de commande hydraulique à appareils récepteurs à double effet
DE1528583A1 (de) * 1965-05-20 1970-01-29 Stahl U Appbau Hans Leffer Gmb Hydraulisch oder pneumatisch kontinuierlich betaetigter Kolbenantrieb mit hin- und hergehender Bewegung,insbesondere doppeltwirkender Druckuebersetzer
CH473319A (de) * 1968-06-19 1969-05-31 Hydrel Ag Maschf Vollhydraulische Vorrichtung an Maschine oder Apparat mit geradlinig hin- und hergehendem Teil, für weitgehend last- und geschwindigkeitsunabhängige Genauigkeitsumsteuerung der Bewegung des Teils zwischen zwei einstellbaren Umsteuerpunkten

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256145A (en) * 1976-01-29 1981-03-17 Dobson Park Industries Limited Impact type tools
EP0070044A1 (en) * 1978-10-19 1983-01-19 Atlas Copco Aktiebolag Hydraulically operated impact motor
DE3307113A1 (de) * 1982-03-02 1983-09-22 Dobson Park Industries PLC, Colwick, Nottingham Druckmittelbetriebenes schlagwerkzeug
US11634949B2 (en) 2015-07-01 2023-04-25 Tracto-Technik Gmbh & Co. Kg Percussion boring device and method for reversing a percussion boring device
CN113560549A (zh) * 2021-08-06 2021-10-29 四川省柏均机械制造有限责任公司 高锰钢铸件去冒口冲击锤

Also Published As

Publication number Publication date
ZA72824B (en) 1972-11-29
FR2126776A5 (enrdf_load_stackoverflow) 1972-10-06
CA937835A (en) 1973-12-04
IT948390B (it) 1973-05-30
US3800664A (en) 1974-04-02
CS178404B2 (enrdf_load_stackoverflow) 1977-09-15
AU3822272A (en) 1973-07-26
DE2147935C3 (enrdf_load_stackoverflow) 1973-09-13
BE778621A (fr) 1972-05-16
DE2147935B2 (de) 1973-02-22
NL166636B (nl) 1981-04-15
SE398720B (sv) 1978-01-16
HU164405B (enrdf_load_stackoverflow) 1974-02-28
NL7201642A (enrdf_load_stackoverflow) 1972-08-14
JPS5315001B1 (enrdf_load_stackoverflow) 1978-05-22
ES399577A1 (es) 1974-11-01
DE2147935A1 (de) 1972-10-26
AU461421B2 (en) 1975-05-29
NL166636C (nl) 1981-09-15

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414B Case decided by the comptroller ** grants allowed (sect. 14/1949)
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee