NL7306664A - - Google Patents
Info
- Publication number
- NL7306664A NL7306664A NL7306664A NL7306664A NL7306664A NL 7306664 A NL7306664 A NL 7306664A NL 7306664 A NL7306664 A NL 7306664A NL 7306664 A NL7306664 A NL 7306664A NL 7306664 A NL7306664 A NL 7306664A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
- B06B1/186—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with rotary unbalanced masses
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Jet Pumps And Other Pumps (AREA)
- Reciprocating Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722233235 DE2233235C3 (en) | 1972-07-06 | Internal vibrator operated with compressed air for compacting concrete or the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7306664A true NL7306664A (en) | 1974-01-08 |
Family
ID=5849907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7306664A NL7306664A (en) | 1972-07-06 | 1973-05-14 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3908965A (en) |
| JP (1) | JPS4957640A (en) |
| AT (1) | AT327513B (en) |
| BR (1) | BR7304558D0 (en) |
| CH (1) | CH555958A (en) |
| FR (1) | FR2231238A5 (en) |
| GB (1) | GB1434956A (en) |
| NL (1) | NL7306664A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5361830A (en) * | 1992-06-05 | 1994-11-08 | Shell Oil Company | Fluid flow conduit vibrator and method |
| CN105350781B (en) * | 2015-12-09 | 2017-07-14 | 重庆元创自动化设备有限公司 | Low-noise concrete poker virbrator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH310917A (en) * | 1953-07-17 | 1955-11-15 | Nationale Sa | Gas lighter. |
| FR1293042A (en) * | 1961-03-27 | 1962-05-11 | Vibratechniques Sa | Improvements to concrete vibrators |
| DE1816421A1 (en) * | 1968-12-21 | 1970-06-25 | Wacker Werke Kg | Internal vibrator with circumferential imbalance |
| SE370642B (en) * | 1970-10-14 | 1974-10-28 | Wacker Werke Kg |
-
1973
- 1973-04-30 CH CH617673A patent/CH555958A/en not_active IP Right Cessation
- 1973-05-14 NL NL7306664A patent/NL7306664A/xx unknown
- 1973-05-25 FR FR7319070A patent/FR2231238A5/fr not_active Expired
- 1973-05-28 AT AT463173A patent/AT327513B/en not_active IP Right Cessation
- 1973-06-19 BR BR4558/73A patent/BR7304558D0/en unknown
- 1973-07-02 US US375377A patent/US3908965A/en not_active Expired - Lifetime
- 1973-07-05 GB GB3207473A patent/GB1434956A/en not_active Expired
- 1973-07-06 JP JP48076469A patent/JPS4957640A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR7304558D0 (en) | 1974-09-05 |
| JPS4957640A (en) | 1974-06-04 |
| AT327513B (en) | 1976-02-10 |
| US3908965A (en) | 1975-09-30 |
| DE2233235B2 (en) | 1976-06-16 |
| CH555958A (en) | 1974-11-15 |
| ATA463173A (en) | 1975-04-15 |
| DE2233235A1 (en) | 1974-01-24 |
| FR2231238A5 (en) | 1974-12-20 |
| GB1434956A (en) | 1976-05-12 |