BE721381A - - Google Patents
Info
- Publication number
- BE721381A BE721381A BE721381DA BE721381A BE 721381 A BE721381 A BE 721381A BE 721381D A BE721381D A BE 721381DA BE 721381 A BE721381 A BE 721381A
- Authority
- BE
- Belgium
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/42—Preventing damage to film due to abnormal operation of projector
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE13298/67A SE305549B (en) | 1967-09-27 | 1967-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721381A true BE721381A (en) | 1969-03-03 |
Family
ID=20297170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721381D BE721381A (en) | 1967-09-27 | 1968-09-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3477541A (en) |
| BE (1) | BE721381A (en) |
| FR (1) | FR1584687A (en) |
| NL (1) | NL6813479A (en) |
| SE (1) | SE305549B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE463903B (en) * | 1989-06-13 | 1991-02-11 | Alfa Laval Separation Ab | Centrifugal separator with tone-forming noise |
| US5202024A (en) * | 1989-06-13 | 1993-04-13 | Alfa-Laval Separation Ab | Centrifugal separator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE19862E (en) * | 1928-03-19 | 1936-02-25 | Television device | |
| GB421035A (en) * | 1933-07-07 | 1934-12-12 | Sulzer Ag | Improvements in or relating to rotary piston machines |
| FR1303056A (en) * | 1961-07-22 | 1962-09-07 | Improvements to air turbines and ultrasonic siren generators |
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1967
- 1967-09-27 SE SE13298/67A patent/SE305549B/xx unknown
-
1968
- 1968-09-20 NL NL6813479A patent/NL6813479A/xx unknown
- 1968-09-25 BE BE721381D patent/BE721381A/xx unknown
- 1968-09-25 US US762541A patent/US3477541A/en not_active Expired - Lifetime
- 1968-09-26 FR FR1584687D patent/FR1584687A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3477541A (en) | 1969-11-11 |
| SE305549B (en) | 1968-10-28 |
| NL6813479A (en) | 1969-03-31 |
| FR1584687A (en) | 1969-12-26 |