CA935354A - Hydraulic hammer with back pressure isolation - Google Patents
Hydraulic hammer with back pressure isolationInfo
- 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
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)
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)
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)
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 |
-
1970
- 1970-11-09 US US87966A patent/US3695366A/en not_active Expired - Lifetime
-
1971
- 1971-11-01 CA CA126582A patent/CA935354A/en not_active Expired
- 1971-11-03 GB GB5110171A patent/GB1360446A/en not_active Expired
- 1971-11-08 FR FR7139937A patent/FR2113667A5/fr not_active Expired
- 1971-11-09 DE DE2155701A patent/DE2155701C3/en not_active Expired
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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