GB1047359A - - Google Patents
Info
- Publication number
- GB1047359A GB1047359A GB1047359DA GB1047359A GB 1047359 A GB1047359 A GB 1047359A GB 1047359D A GB1047359D A GB 1047359DA GB 1047359 A GB1047359 A GB 1047359A
- Authority
- GB
- United Kingdom
- Prior art keywords
- support
- valve member
- spigot
- engages
- valve
- 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.)
- Active
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0466—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with a special seating surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
1,047,359. Valves. H. & H. BISHOP Ltd. Oct. 14, 1965, No. 43546/65. Heading F2V. A relief valve for a pit prop has a resilient valve member 34 housed in a recess in a bobbin 13. A support 39 prevents extrusion of the valve member into the seat opening 9. In closed position the bobbin engages over a spigot 8 on the seat and the valve member 34 is deformed into sealing engagement with a conical surface on this spigot. A surface 40 of the support and the end surface of the spigot which it engages are preferably etched so that sealing does not occur at these surfaces. The support has a projecting pin 37 with a head 38 which is inserted into the valve member 34 to retain the support. A spring retaining plate 20 engages notches in an adjustable sleeve 16 for varying the tension. The valve may also be opened by a lift rod connected to a stirrup 32. By pushing down the stirrup to engage notches 18 in screwed sleeve 16, the spring loading may be adjusted.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1047359A true GB1047359A (en) |
Family
ID=1755397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1047359D Active GB1047359A (en) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1047359A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2186665A (en) * | 1986-02-14 | 1987-08-19 | Nupro Co | Valve member |
| CN104864134A (en) * | 2015-05-19 | 2015-08-26 | 罗达莱克斯阀门(上海)有限公司 | Safety valve |
| JP2019190599A (en) * | 2018-04-26 | 2019-10-31 | 北越工業株式会社 | Follow-up pressure valve |
-
0
- GB GB1047359D patent/GB1047359A/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2186665A (en) * | 1986-02-14 | 1987-08-19 | Nupro Co | Valve member |
| GB2186665B (en) * | 1986-02-14 | 1990-05-30 | Nupro Co | Valve member for shut-off valve |
| CN104864134A (en) * | 2015-05-19 | 2015-08-26 | 罗达莱克斯阀门(上海)有限公司 | Safety valve |
| JP2019190599A (en) * | 2018-04-26 | 2019-10-31 | 北越工業株式会社 | Follow-up pressure valve |
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