FR2270016B1 - - Google Patents
Info
- Publication number
- FR2270016B1 FR2270016B1 FR7415953A FR7415953A FR2270016B1 FR 2270016 B1 FR2270016 B1 FR 2270016B1 FR 7415953 A FR7415953 A FR 7415953A FR 7415953 A FR7415953 A FR 7415953A FR 2270016 B1 FR2270016 B1 FR 2270016B1
- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415953A FR2270016A1 (en) | 1974-05-08 | 1974-05-08 | Concrete vibrator probe assembly - has tubular body with air turbine coupled to eccentric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7415953A FR2270016A1 (en) | 1974-05-08 | 1974-05-08 | Concrete vibrator probe assembly - has tubular body with air turbine coupled to eccentric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2270016A1 FR2270016A1 (en) | 1975-12-05 |
| FR2270016B1 true FR2270016B1 (US06492441-20021210-C00072.png) | 1976-12-24 |
Family
ID=9138602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7415953A Granted FR2270016A1 (en) | 1974-05-08 | 1974-05-08 | Concrete vibrator probe assembly - has tubular body with air turbine coupled to eccentric |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2270016A1 (US06492441-20021210-C00072.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU720910B3 (en) * | 1998-08-28 | 2000-06-15 | George John Kerr | Concrete vibrating and finishing apparatus |
-
1974
- 1974-05-08 FR FR7415953A patent/FR2270016A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2270016A1 (en) | 1975-12-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |