AU3542071A - Hydraulic hammer with back pressure isolation - Google Patents
Hydraulic hammer with back pressure isolationInfo
- Publication number
- AU3542071A AU3542071A AU35420/71A AU3542071A AU3542071A AU 3542071 A AU3542071 A AU 3542071A AU 35420/71 A AU35420/71 A AU 35420/71A AU 3542071 A AU3542071 A AU 3542071A AU 3542071 A AU3542071 A AU 3542071A
- Authority
- AU
- Australia
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8796670A | 1970-11-09 | 1970-11-09 | |
USUS87,966 | 1970-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU457597B2 AU457597B2 (en) | 1973-05-10 |
AU3542071A true AU3542071A (en) | 1973-05-10 |
Family
ID=
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 |
CA935354A (en) | 1973-10-16 |
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