GB552810A - Improvements in and relating to automatic sprinkler heads for fire extinguishers - Google Patents
Improvements in and relating to automatic sprinkler heads for fire extinguishersInfo
- Publication number
- GB552810A GB552810A GB1188041A GB1188041A GB552810A GB 552810 A GB552810 A GB 552810A GB 1188041 A GB1188041 A GB 1188041A GB 1188041 A GB1188041 A GB 1188041A GB 552810 A GB552810 A GB 552810A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- ring
- seating
- valve
- tongues
- 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
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/12—Releasing means, e.g. electrically released heat-sensitive with fusible links
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
552,810. Fire-extinguishing. HENSHAW, T. A. Sept. 17, 1941, No. 11880. [Class 47 (ii)] A sprinkler head comprises a body 1, Fig. 1, formed with a raised bead 4 against which seats the flat upper part of a single valve element 11 comprising a stainless steel outer shell a, a soft metal pad b, and a brass or other rigid metal base part c of larger diameter than the pad b, this part c engaging a softsealing ring 6 at the centre of a non-corrosive resilient metal diaphragm 5 secured by a screw clamping ring 7. The under surface of the part c is slotted to receive the upper end of a three-part thermocollapsible supporting member 7, the lower end of which rests on a pivot 13 carried by a screw plug 12 engaging the lower part of a spider 8 depending from the ring 7. A lock nut 14 serves to clamp the usual distributor plate 10. In a modified construction, Fig. 2, the head is inverted, the valve seating 4 is of a greater height than in the first example, and the valve member 11 has a depending flange 15 to surround the seating, while the body 1 of the sprinkler head is provided with a member of webs 16 to serve as limiting stops for the diaphragm 5. The space between the two seals is filled with sealing liquid 17, which extends up between the seating 4 and flange 15; the liquid may be anti-freezing. Instead of the limiting stops being on the body 1, they may be in the form of tongues or extensions 18, Fig. 3, on the diaphragm; these tongues are normally clear of a shoulder 19 on the body 1, but would contact with the shoulder before the diaphragm could pass its central position. In this construction, the valve 11 has two sealing faces, one a disc 20 to rest on the seat 4, and the other a ring 21 to engage the rolled edge 22 of the diaphragm 5.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1188041A GB552810A (en) | 1941-09-17 | 1941-09-17 | Improvements in and relating to automatic sprinkler heads for fire extinguishers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1188041A GB552810A (en) | 1941-09-17 | 1941-09-17 | Improvements in and relating to automatic sprinkler heads for fire extinguishers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB552810A true GB552810A (en) | 1943-04-27 |
Family
ID=9994358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1188041A Expired GB552810A (en) | 1941-09-17 | 1941-09-17 | Improvements in and relating to automatic sprinkler heads for fire extinguishers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB552810A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2539703A1 (en) * | 1975-09-06 | 1977-03-17 | Eduard J Job | SPRINKLER |
DE2639245A1 (en) * | 1976-09-01 | 1978-03-02 | Eduard J Ing Grad Job | SPRINKLER |
US4901799A (en) * | 1988-06-24 | 1990-02-20 | Grinnell Corporation | Sprinkler head having protuberant ridge valve seat |
-
1941
- 1941-09-17 GB GB1188041A patent/GB552810A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2539703A1 (en) * | 1975-09-06 | 1977-03-17 | Eduard J Job | SPRINKLER |
DE2639245A1 (en) * | 1976-09-01 | 1978-03-02 | Eduard J Ing Grad Job | SPRINKLER |
US4901799A (en) * | 1988-06-24 | 1990-02-20 | Grinnell Corporation | Sprinkler head having protuberant ridge valve seat |
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