SU587946A1 - Fire curtain device for a gas line - Google Patents

Fire curtain device for a gas line

Info

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
Application number
SU762387914A
Other languages
Russian (ru)
Inventor
Алексей Иванович Гаряев
Original Assignee
Предприятие П/Я М-5539
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я М-5539 filed Critical Предприятие П/Я М-5539
Priority to SU762387914A priority Critical patent/SU587946A1/en
Application granted granted Critical
Publication of SU587946A1 publication Critical patent/SU587946A1/en

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.

SU762387914A 1976-07-22 1976-07-22 Fire curtain device for a gas line SU587946A1 (en)

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)

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