CA935354A - Hydraulic hammer with back pressure isolation - Google Patents

Hydraulic hammer with back pressure isolation

Info

Publication number
CA935354A
CA935354A CA126582A CA126582A CA935354A CA 935354 A CA935354 A CA 935354A CA 126582 A CA126582 A CA 126582A CA 126582 A CA126582 A CA 126582A CA 935354 A CA935354 A CA 935354A
Authority
CA
Canada
Prior art keywords
back pressure
hydraulic hammer
pressure isolation
isolation
hammer
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
CA126582A
Other versions
CA126582S (en
Inventor
F. Klessig Ernst
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.)
Worthington Corp
Original Assignee
Worthington 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 Worthington Corp filed Critical Worthington Corp
Application granted granted Critical
Publication of CA935354A publication Critical patent/CA935354A/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
    • 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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
CA126582A 1970-11-09 1971-11-01 Hydraulic hammer with back pressure isolation Expired CA935354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8796670A 1970-11-09 1970-11-09

Publications (1)

Publication Number Publication Date
CA935354A true CA935354A (en) 1973-10-16

Family

ID=22208316

Family Applications (1)

Application Number Title Priority Date Filing Date
CA126582A Expired CA935354A (en) 1970-11-09 1971-11-01 Hydraulic hammer with back pressure isolation

Country Status (5)

Country Link
US (1) US3695366A (en)
CA (1) CA935354A (en)
DE (1) DE2155701C3 (en)
FR (1) FR2113667A5 (en)
GB (1) GB1360446A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857448A (en) * 1971-11-15 1974-12-31 Proline Ind Pty Ltd Hydraulically operated tamper
US3792733A (en) * 1973-02-15 1974-02-19 O Crandall Beet harvesting machine
US4094365A (en) * 1974-05-20 1978-06-13 Robert Bosch Gmbh Electrohydraulically operated portable power tool
SE501276C2 (en) * 1989-10-28 1995-01-09 Berema Atlas Copco Ab Handheld striking machine
EP1697089B1 (en) * 2003-12-19 2007-11-14 Clark Equipment Company Impact tool
FI123463B (en) * 2010-10-21 2013-05-15 Unisto Oy Impact medium powered impactor
CN109570421B (en) * 2018-12-15 2023-11-28 浙江雅晶电子有限公司 TO tube seat automatic flattening machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA819486A (en) * 1969-08-05 Worthington Corporation Hydraulic hammer
US2881739A (en) * 1955-11-23 1959-04-14 Huppert & Co Ltd C Hydraulic percussion tool
US3213615A (en) * 1961-07-11 1965-10-26 Atlas Copco Ab Hydraulically actuated reciprocable tools

Also Published As

Publication number Publication date
DE2155701C3 (en) 1975-10-09
DE2155701A1 (en) 1972-05-10
DE2155701B2 (en) 1975-02-06
GB1360446A (en) 1974-07-17
US3695366A (en) 1972-10-03
FR2113667A5 (en) 1972-06-23
AU3542071A (en) 1973-05-10

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