SU587946A1 - Fire curtain device for a gas line - Google Patents
Fire curtain device for a gas lineInfo
- Publication number
- SU587946A1 SU587946A1 SU762387914A SU2387914A SU587946A1 SU 587946 A1 SU587946 A1 SU 587946A1 SU 762387914 A SU762387914 A SU 762387914A SU 2387914 A SU2387914 A SU 2387914A SU 587946 A1 SU587946 A1 SU 587946A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- gas line
- curtain device
- fire curtain
- fire
- gas
- Prior art date
Links
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Description
рых имеет больший диаметр, о т л и ч а ю щ и йс тем, что, с целью повышени эффективности зашиты, на внутренней новерхности корнуса имеютс прорези, выполненные по многозаходной винтовой линии, а прорези на боковой поверхности среднего цилиндра также выполнены по многозаходной винтовой линии противоположного направлени .They have a larger diameter, about the same, because, in order to increase the efficiency of protection, there are slots on the inner surface of the corns, made along a multiple helix, and slots on the lateral surface of the middle cylinder are also made along the multiple helix lines of opposite direction.
Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination
1.Патент ФРГ № 942916, кл. 81с 139, 1958.1. The patent of Germany No. 942916, cl. 81c 139, 1958.
2.За вка СССР 2127978, кл. А 62С 3/04, 1975, по которой прин то решение о выдаче авторского свидетельства.2. For the USSR 2127978, cl. And 62С 3/04, 1975, according to which the decision to issue an author's certificate was made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762387914A SU587946A1 (en) | 1976-07-22 | 1976-07-22 | Fire curtain device for a gas line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762387914A SU587946A1 (en) | 1976-07-22 | 1976-07-22 | Fire curtain device for a gas line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU587946A1 true SU587946A1 (en) | 1978-01-15 |
Family
ID=20671139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762387914A SU587946A1 (en) | 1976-07-22 | 1976-07-22 | Fire curtain device for a gas line |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU587946A1 (en) |
-
1976
- 1976-07-22 SU SU762387914A patent/SU587946A1/en active
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