FR2377025A1 - Niveau a bulle d'air - Google Patents
Niveau a bulle d'airInfo
- Publication number
- FR2377025A1 FR2377025A1 FR7700332A FR7700332A FR2377025A1 FR 2377025 A1 FR2377025 A1 FR 2377025A1 FR 7700332 A FR7700332 A FR 7700332A FR 7700332 A FR7700332 A FR 7700332A FR 2377025 A1 FR2377025 A1 FR 2377025A1
- Authority
- FR
- France
- Prior art keywords
- air
- plane
- horizontal
- vertical
- deviation
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/26—Details
- G01C9/28—Mountings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
- G01C9/26—Details
- G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700332A FR2377025A1 (fr) | 1977-01-07 | 1977-01-07 | Niveau a bulle d'air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700332A FR2377025A1 (fr) | 1977-01-07 | 1977-01-07 | Niveau a bulle d'air |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377025A1 true FR2377025A1 (fr) | 1978-08-04 |
FR2377025B3 FR2377025B3 (US07179912-20070220-C00144.png) | 1979-09-07 |
Family
ID=9185228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7700332A Granted FR2377025A1 (fr) | 1977-01-07 | 1977-01-07 | Niveau a bulle d'air |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2377025A1 (US07179912-20070220-C00144.png) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5935814U (ja) * | 1982-08-31 | 1984-03-06 | 株式会社アカツキ製作所 | 水準器 |
EP0178257A2 (fr) * | 1984-10-05 | 1986-04-16 | Exploitenov Sa | Niveau à bulle avec graduation de mesure de distance |
WO1988007174A1 (en) * | 1987-03-09 | 1988-09-22 | Kurt Fischer | Protractor with a circular and shaped bubble level |
-
1977
- 1977-01-07 FR FR7700332A patent/FR2377025A1/fr active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5935814U (ja) * | 1982-08-31 | 1984-03-06 | 株式会社アカツキ製作所 | 水準器 |
EP0178257A2 (fr) * | 1984-10-05 | 1986-04-16 | Exploitenov Sa | Niveau à bulle avec graduation de mesure de distance |
EP0178257A3 (fr) * | 1984-10-05 | 1988-04-06 | Exploitenov Sa | Niveau à bulle avec graduation de mesure de distance |
WO1988007174A1 (en) * | 1987-03-09 | 1988-09-22 | Kurt Fischer | Protractor with a circular and shaped bubble level |
Also Published As
Publication number | Publication date |
---|---|
FR2377025B3 (US07179912-20070220-C00144.png) | 1979-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |