GB2027493A - Pneumatic hammer without separate distributing valve - Google Patents
Pneumatic hammer without separate distributing valve Download PDFInfo
- Publication number
- GB2027493A GB2027493A GB7917354A GB7917354A GB2027493A GB 2027493 A GB2027493 A GB 2027493A GB 7917354 A GB7917354 A GB 7917354A GB 7917354 A GB7917354 A GB 7917354A GB 2027493 A GB2027493 A GB 2027493A
- Authority
- GB
- United Kingdom
- Prior art keywords
- movable element
- passage
- passages
- pneumatic hammer
- external cylinder
- 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.)
- Withdrawn
Links
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000004323 axial length Effects 0.000 claims abstract description 3
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- B25D9/02—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously of the tool-carrier piston type, i.e. in which the tool is connected to an impulse member
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1265078A IT1103805B (it) | 1978-06-07 | 1978-06-07 | Martello pneumatico perfezionato |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2027493A true GB2027493A (en) | 1980-02-20 |
Family
ID=11142487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7917354A Withdrawn GB2027493A (en) | 1978-06-07 | 1979-05-18 | Pneumatic hammer without separate distributing valve |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2427882A1 (it) |
| GB (1) | GB2027493A (it) |
| IT (1) | IT1103805B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080099U (zh) * | 1990-09-15 | 1991-07-03 | 党治国 | 柱塞滑阀高效气动冲击机构 |
-
1978
- 1978-06-07 IT IT1265078A patent/IT1103805B/it active
-
1979
- 1979-05-16 FR FR7912427A patent/FR2427882A1/fr not_active Withdrawn
- 1979-05-18 GB GB7917354A patent/GB2027493A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT7812650A0 (it) | 1978-07-07 |
| FR2427882A1 (fr) | 1980-01-04 |
| IT1103805B (it) | 1985-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |