JPS512460A - - Google Patents
Info
- Publication number
- JPS512460A JPS512460A JP50060893A JP6089375A JPS512460A JP S512460 A JPS512460 A JP S512460A JP 50060893 A JP50060893 A JP 50060893A JP 6089375 A JP6089375 A JP 6089375A JP S512460 A JPS512460 A JP S512460A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/10—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials
- G01N9/12—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers
- G01N9/16—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing bodies wholly or partially immersed in fluid materials by observing the depth of immersion of the bodies, e.g. hydrometers the body being pivoted
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH697274A CH573111A5 (ja) | 1974-05-21 | 1974-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS512460A true JPS512460A (ja) | 1976-01-10 |
Family
ID=4317923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50060893A Pending JPS512460A (ja) | 1974-05-21 | 1975-05-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4037481A (ja) |
| JP (1) | JPS512460A (ja) |
| CH (1) | CH573111A5 (ja) |
| FR (1) | FR2272582A7 (ja) |
| IT (1) | IT1021831B (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4136551A (en) * | 1976-05-20 | 1979-01-30 | Klaus Lunstroth | Densimeter |
| US4236405A (en) * | 1979-01-02 | 1980-12-02 | Klaus Lunstroth | Pendulum densimeter |
| US4353253A (en) * | 1980-05-02 | 1982-10-12 | Callahan George E | Device for measuring the density of fluids |
| DE3117279A1 (de) | 1980-05-02 | 1982-06-16 | George Edgar 4000 Düsseldorf Callahan | Araeometer zur bestimmung der dichte einer fluessigkeit innerhalb eines vorbestimmten bereiches und dichtemessvorrichtung mit diesen araeometern |
| US4848151A (en) * | 1985-03-08 | 1989-07-18 | Kelsey-Hayes Company | Liquid level detector |
| US5631420A (en) * | 1996-07-10 | 1997-05-20 | Wong; Tommy Chi-Kin | Hydrometer |
| GB2348507B (en) * | 1999-03-31 | 2002-09-25 | Sondex Ltd | Fluid density measurement device |
| CN2591614Y (zh) * | 2002-09-30 | 2003-12-10 | 黄志坚 | 自动水平比重计 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB410935A (en) * | 1933-03-02 | 1934-05-31 | Frank Herbert Alston | Improvements in hydrometers, particularly for indicating the state of charge of electric accumulators |
| US2168353A (en) * | 1935-12-23 | 1939-08-08 | Chaslyn Company | Hydrometer |
| US2129617A (en) * | 1936-04-06 | 1938-09-06 | Warner Machine Products Inc | Indicating hydrometer |
| US2212809A (en) * | 1937-03-04 | 1940-08-27 | Edelmann & Co | Antifreeze solution indicator |
| GB474014A (en) * | 1937-05-04 | 1937-10-25 | Park Bros Ltd | Improvements in hydrometers, particularly for electric accumulators |
-
1974
- 1974-05-21 CH CH697274A patent/CH573111A5/xx not_active IP Right Cessation
- 1974-07-30 FR FR7426461A patent/FR2272582A7/fr not_active Expired
- 1974-10-16 IT IT53576/74A patent/IT1021831B/it active
-
1975
- 1975-05-12 US US05/576,646 patent/US4037481A/en not_active Expired - Lifetime
- 1975-05-20 JP JP50060893A patent/JPS512460A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2272582A7 (ja) | 1975-12-19 |
| IT1021831B (it) | 1978-02-20 |
| CH573111A5 (ja) | 1976-02-27 |
| US4037481A (en) | 1977-07-26 |