FR2385496B1 - - Google Patents
Info
- Publication number
- FR2385496B1 FR2385496B1 FR7734527A FR7734527A FR2385496B1 FR 2385496 B1 FR2385496 B1 FR 2385496B1 FR 7734527 A FR7734527 A FR 7734527A FR 7734527 A FR7734527 A FR 7734527A FR 2385496 B1 FR2385496 B1 FR 2385496B1
- Authority
- FR
- France
- 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
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/11—Arrangements of noise-damping means
-
- 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
- B25D9/08—Means for driving the impulse member comprising a built-in air compressor, i.e. the tool being driven by air pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH387777A CH605044A5 (en) | 1977-03-28 | 1977-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2385496A1 FR2385496A1 (en) | 1978-10-27 |
FR2385496B1 true FR2385496B1 (en) | 1982-12-03 |
Family
ID=4265406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7734527A Granted FR2385496A1 (en) | 1977-03-28 | 1977-11-10 | Pneumatic drill with bit guide sleeve one end - has air distributor encased in shock absorbent casing other end |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH605044A5 (en) |
FR (1) | FR2385496A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2398581A1 (en) * | 1977-07-29 | 1979-02-23 | Maco Meudon Sa | Valve for pneumatic drill - has inset trigger displacing piston rod which pivots conical plug located in air feed pipe |
US4265322A (en) * | 1978-09-19 | 1981-05-05 | Maco-Meudon | Compressed air feed control system for a tapping device |
EP0015700B1 (en) * | 1979-02-28 | 1982-07-28 | CompAir Construction and Mining Limited | Compressed-gas-operated reciprocating-piston devices |
EP0144282B1 (en) * | 1983-11-02 | 1988-07-27 | Heinrich Henze | Hydraulic hammer |
CH663925A5 (en) * | 1984-05-29 | 1988-01-29 | Sig Schweiz Industrieges | ARRANGEMENT OF EXPANSION CHAMBERS FOR SOUND PRESSURE DAMPING, USE OF THE SAME AND PNEUMATICALLY OPERATED HAMMER. |
CN109352009A (en) * | 2018-10-19 | 2019-02-19 | 陈祥贤 | A kind of digital control drilling machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191220091A (en) * | 1912-09-03 | 1913-09-03 | George Lawson Robertson | Improvements in Pneumatic Hammers. |
FR21980E (en) * | 1919-12-09 | 1921-04-21 | Belge D Outil Pneumatique Atel | Automatic shut-off for compressed air tools, especially for pneumatic peak hammers |
FR730222A (en) * | 1931-01-21 | 1932-08-09 | Distribution mechanism for pneumatic hammers | |
US2128742A (en) * | 1937-04-09 | 1938-08-30 | Ingersoll Rand Co | Muffling device |
GB526285A (en) * | 1939-03-11 | 1940-09-13 | Ingersoll Rand Co | Improvements in or relating to muffling devices |
FR1108162A (en) * | 1954-02-02 | 1956-01-10 | Hauhinco Maschf | Pneumatic impact tool, including hammer pick |
FR1103576A (en) * | 1954-04-23 | 1955-11-04 | Mechanical jackhammer, riveter or the like, hand-held | |
FR1450209A (en) * | 1965-10-15 | 1966-05-06 | Atlas Copco Ab | Sophisticated silencer for machines and tools working by percussion |
-
1977
- 1977-03-28 CH CH387777A patent/CH605044A5/xx not_active IP Right Cessation
- 1977-11-10 FR FR7734527A patent/FR2385496A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2385496A1 (en) | 1978-10-27 |
CH605044A5 (en) | 1978-09-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |