GB1265752A - - Google Patents
Info
- Publication number
- GB1265752A GB1265752A GB2120169A GB2120169A GB1265752A GB 1265752 A GB1265752 A GB 1265752A GB 2120169 A GB2120169 A GB 2120169A GB 2120169 A GB2120169 A GB 2120169A GB 1265752 A GB1265752 A GB 1265752A
- Authority
- GB
- United Kingdom
- Prior art keywords
- scale
- housing
- thermometer
- ring
- temperature
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
- G01K5/70—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Radiation Pyrometers (AREA)
Abstract
1,265,752. Thermometers. WESTON INSTRUMENTS Inc. April 25, 1969 [April 30, 1968], No. 21201/69. Heading G1D. A thermometer comprises a sealed housing 4, 20 supporting a temperature scale 31, a bi-metallic temperature sensitive element 6 coupled to a pointer 36 and oxygen getting material 14 which becomes active as the temperature nears the maximum temperature measurable by the thermometer. The material 14 is in the form of a thin tantalum ribbon and the element 6 comprises a pair of iron base alloy members, one member containing nickel and chromium whilst the other contains chromium. One end of the element 6 is welded to a plug 5 and the other end is welded to a shaft 9 which passes through guides 10-12. A ring 27 presses a transparent cover plate 25 against a gasket 26 to seal the housing 20. The scale 31, marked with the temperature range 200-1200‹ C. on its lower surface, is held in position by a ring 30 and a plane mirror 37 fixed to the housing 20 by lugs 38 enables the scale to be read. On assembly the thermometer is filled with an inert gas such as argon and heated to 1500‹ C. for a sufficient time to anneal the element 6. During this time the tantulum removes any oxygen in the housing to prevent the oxygen affecting the characteristics of the bi-metallic element. To assist calibration of the thermometer the scale may be rotated by rotating the ring 30, the ring then being locked by a screw 35. In a modification, the mirror 37 is dispensed with and the scale is mounted in the housing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72536768A | 1968-04-30 | 1968-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1265752A true GB1265752A (en) | 1972-03-08 |
Family
ID=24914258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2120169A Expired GB1265752A (en) | 1968-04-30 | 1969-04-25 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1921543A1 (en) |
| FR (1) | FR2007291A1 (en) |
| GB (1) | GB1265752A (en) |
| SE (1) | SE370792B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29602088U1 (en) * | 1996-02-07 | 1996-04-04 | Bümach Engineering International B.V., Emmen | Screwable pressure medium operated cylinder with locking parts for coupling the cylinder tube |
-
1969
- 1969-04-25 GB GB2120169A patent/GB1265752A/en not_active Expired
- 1969-04-26 DE DE19691921543 patent/DE1921543A1/en active Pending
- 1969-04-29 SE SE606969A patent/SE370792B/xx unknown
- 1969-04-29 FR FR6913552A patent/FR2007291A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1921543A1 (en) | 1970-09-17 |
| SE370792B (en) | 1974-10-28 |
| FR2007291A1 (en) | 1970-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |