GB756526A - A method for preventing darkening of glass tubes by the action of mercury - Google Patents
A method for preventing darkening of glass tubes by the action of mercuryInfo
- Publication number
- GB756526A GB756526A GB28817/54A GB2881754A GB756526A GB 756526 A GB756526 A GB 756526A GB 28817/54 A GB28817/54 A GB 28817/54A GB 2881754 A GB2881754 A GB 2881754A GB 756526 A GB756526 A GB 756526A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercury
- glass tubes
- container
- action
- adhesive
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B5/023—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure transducers comprising a liquid column
Abstract
<PICT:0756526/III/1> For preventing darkening of glass tubes by the action of mercury, a material capable of absorbing very small mercury particles is provided on a suitable inner portion of the glass tubes where they need not be transparent for observation purposes. The method is shown applied to a sphygmomanometer, the inner walls of a container 10 for mercury are coated with an adhesive 11 having a glue, resin or rubber base. The container is connected to a manometer 7. The container has a cap 2 with a sealing ring 3. A channel 12 in the cap communicates through a leather membrane 4 with an air conduit 5. In use, mercury particles adhere to the adhesive and the walls of the tube are kept clean. It is most advantageous to coat 20 per cent to about 40 per cent of the tube surface along which the mercury passes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE756526X | 1953-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB756526A true GB756526A (en) | 1956-09-05 |
Family
ID=6659851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28817/54A Expired GB756526A (en) | 1953-10-19 | 1954-10-06 | A method for preventing darkening of glass tubes by the action of mercury |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB756526A (en) |
-
1954
- 1954-10-06 GB GB28817/54A patent/GB756526A/en not_active Expired
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