GB1293394A - Impact devices - Google Patents

Impact devices

Info

Publication number
GB1293394A
GB1293394A GB54316/69A GB5431669A GB1293394A GB 1293394 A GB1293394 A GB 1293394A GB 54316/69 A GB54316/69 A GB 54316/69A GB 5431669 A GB5431669 A GB 5431669A GB 1293394 A GB1293394 A GB 1293394A
Authority
GB
United Kingdom
Prior art keywords
hammer
spring
drill
stiffness
nov
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
GB54316/69A
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.)
General Dynamics Corp
Original Assignee
General Dynamics 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 General Dynamics Corp filed Critical General Dynamics Corp
Publication of GB1293394A publication Critical patent/GB1293394A/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
    • B25D9/06—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
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/10—Connecting leads to windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
GB54316/69A 1968-11-14 1969-11-05 Impact devices Expired GB1293394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77576268A 1968-11-14 1968-11-14

Publications (1)

Publication Number Publication Date
GB1293394A true GB1293394A (en) 1972-10-18

Family

ID=25105419

Family Applications (2)

Application Number Title Priority Date Filing Date
GB54316/69A Expired GB1293394A (en) 1968-11-14 1969-11-05 Impact devices
GB0641/72A Expired GB1293395A (en) 1968-11-14 1969-11-05 Impact devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0641/72A Expired GB1293395A (en) 1968-11-14 1969-11-05 Impact devices

Country Status (6)

Country Link
US (1) US3570609A (enrdf_load_stackoverflow)
JP (1) JPS5340739B1 (enrdf_load_stackoverflow)
DE (1) DE1957296C3 (enrdf_load_stackoverflow)
FR (1) FR2023299A1 (enrdf_load_stackoverflow)
GB (2) GB1293394A (enrdf_load_stackoverflow)
SE (2) SE390615B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706604A4 (en) * 1993-07-01 1996-09-11 Reedrill Inc Impact hammer

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3640351A (en) * 1970-05-18 1972-02-08 Gardner Denver Co Force pulse shaping member for percussion tool
US4051906A (en) * 1976-03-03 1977-10-04 Trw Canada Limited Extension rods used in percussive drilling
US4187917A (en) * 1977-11-30 1980-02-12 Hydroacoustics, Inc. Pile driver
SE424830B (sv) * 1978-01-12 1982-08-16 Goran Alfred Nilsson Anordning for forlengning av kraftpulsforloppet hos anslagsmassan vid me slagverkan arbetande verktyg
US4166507A (en) * 1978-03-06 1979-09-04 Hydroacoustics, Inc. Percussive drilling apparatus
SE412778B (sv) * 1978-09-05 1980-03-17 Lund Hydromaskin Ab Hejare, for nedslagning av palar och liknande i marken
JPS58500074A (ja) * 1981-02-17 1983-01-13 キヤタピラ−　トラツクタ−　カンパニイ 喰違つた衝撃装置とスロツト付きシヤンクとを有するリッパ
US4379595A (en) * 1981-02-17 1983-04-12 Caterpillar Tractor Co. Ripper with offset impacting means and slotted shank
JPS5972023U (ja) * 1982-11-08 1984-05-16 クラリオン株式会社 ポツプ音除去回路
JPS6148296A (ja) * 1984-08-16 1986-03-08 Mitsubishi Electric Corp 音響装置
SE504828C2 (sv) * 1990-04-11 1997-05-12 Sandvik Ab Hammaranordning där kolv och borrkrona har omvänd design relativt varandra vad gäller impedans
SE505422C2 (sv) * 1996-05-09 1997-08-25 Sandvik Ab Impedans- och längd-/tidsparameterintervall för hammaranordning samt för tillhörande borrkrona och kolv
FI116125B (fi) * 2001-07-02 2005-09-30 Sandvik Tamrock Oy Iskulaite
CA2366030A1 (en) * 2001-12-20 2003-06-20 Global E Bang Inc. Profiling system
US20070121423A1 (en) * 2001-12-20 2007-05-31 Daniel Rioux Head-mounted display apparatus for profiling system
SE528654C2 (sv) * 2005-05-23 2007-01-09 Atlas Copco Rock Drills Ab Impulsgenerator och impulsverktyg med impulsgenerator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1559709A (en) * 1925-11-03 Rock drill
US1178143A (en) * 1915-03-22 1916-04-04 Martin E Evans Driving-cap.
US3086600A (en) * 1959-04-30 1963-04-23 Kerley Engineering Inc Mechanical impulse filter type shock mount
US3371726A (en) * 1965-05-24 1968-03-05 Gen Dynamics Corp Acoustic apparatus
US3382932A (en) * 1965-05-24 1968-05-14 Gen Dynamics Corp Acoustic impact drilling apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706604A4 (en) * 1993-07-01 1996-09-11 Reedrill Inc Impact hammer
JP3470188B2 (ja) 1993-07-01 2003-11-25 スヴェダーラ、インダストリズ、インク 衝撃ハンマ

Also Published As

Publication number Publication date
US3570609A (en) 1971-03-16
SE7407805L (enrdf_load_stackoverflow) 1974-06-13
DE1957296B2 (de) 1978-09-07
SE397788B (sv) 1977-11-21
FR2023299A1 (enrdf_load_stackoverflow) 1970-08-07
JPS5340739B1 (enrdf_load_stackoverflow) 1978-10-28
DE1957296A1 (de) 1970-07-09
GB1293395A (en) 1972-10-18
DE1957296C3 (de) 1979-05-03
SE390615B (sv) 1977-01-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee