NL176213C - BREATHERING DEVICE WITH BUTTERFLY AND SEAL. - Google Patents
BREATHERING DEVICE WITH BUTTERFLY AND SEAL.Info
- Publication number
- NL176213C NL176213C NLAANVRAGE7812006,A NL7812006A NL176213C NL 176213 C NL176213 C NL 176213C NL 7812006 A NL7812006 A NL 7812006A NL 176213 C NL176213 C NL 176213C
- Authority
- NL
- Netherlands
- Prior art keywords
- breathering
- butterfly
- seal
- breathering device
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
- Filtering Materials (AREA)
- Spark Plugs (AREA)
- Housings And Mounting Of Transformers (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5130777 | 1977-12-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7812006A NL7812006A (en) | 1979-06-12 |
NL176213B NL176213B (en) | 1984-10-01 |
NL176213C true NL176213C (en) | 1985-03-01 |
Family
ID=10459484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7812006,A NL176213C (en) | 1977-12-09 | 1978-12-08 | BREATHERING DEVICE WITH BUTTERFLY AND SEAL. |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS54116104A (en) |
AU (1) | AU542223B2 (en) |
BE (1) | BE872614A (en) |
CA (1) | CA1105603A (en) |
DE (1) | DE2852113B2 (en) |
DK (1) | DK528778A (en) |
ES (1) | ES475810A1 (en) |
FR (1) | FR2411538A1 (en) |
IT (1) | IT1111094B (en) |
NL (1) | NL176213C (en) |
NO (1) | NO148135C (en) |
SE (1) | SE432042B (en) |
ZA (1) | ZA786698B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58394U (en) * | 1981-06-25 | 1983-01-05 | 株式会社東芝 | tank type lightning arrester |
DE3311252A1 (en) * | 1983-03-28 | 1984-10-04 | Joachim Dr.-Ing. 8070 Ingolstadt Hess | Plastic housing |
US4600114A (en) * | 1983-10-03 | 1986-07-15 | Dabich Robert M | Thermo expansion compensator |
DE3412274A1 (en) * | 1984-04-02 | 1985-10-10 | Ceag Licht- Und Stromversorgungstechnik Gmbh, 4770 Soest | CLOSED HOUSING FOR RECEIVING ELECTRICAL APPARATUS |
DE102010015674A1 (en) * | 2010-04-21 | 2011-10-27 | Wabco Gmbh | A housing with a deformation area for pressure equalization and an arrangement of a sealing element in the housing |
CN110146656B (en) * | 2019-06-05 | 2020-06-05 | 无锡格林通安全装备有限公司 | Explosion-proof breathing device of gas detector |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1041449B (en) * | 1954-12-20 | 1958-10-23 | Westinghouse Electric Corp | Explosion-proof container made of metal, in particular housing for firedamp protection |
AU6045565A (en) * | 1965-06-22 | 1966-12-22 | Jennings Radio Manufacturing Corporation | Expansible vacuum envelope for electrical devices |
US3675007A (en) * | 1969-10-20 | 1972-07-04 | Appleton Electric Co | Explosion proof lighting fixture |
FR2320026A1 (en) * | 1975-08-01 | 1977-02-25 | Cemse | Protective envelope for electric device - is used in explosive environment and comprises two cylindrical elements sealed together |
-
1978
- 1978-11-27 NO NO783974A patent/NO148135C/en unknown
- 1978-11-27 DK DK528778A patent/DK528778A/en not_active Application Discontinuation
- 1978-11-28 ZA ZA00786698A patent/ZA786698B/en unknown
- 1978-12-01 AU AU42128/78A patent/AU542223B2/en not_active Expired
- 1978-12-01 SE SE7812390A patent/SE432042B/en unknown
- 1978-12-01 DE DE2852113A patent/DE2852113B2/en not_active Withdrawn
- 1978-12-06 IT IT52214/78A patent/IT1111094B/en active
- 1978-12-07 ES ES475810A patent/ES475810A1/en not_active Expired
- 1978-12-08 FR FR7834563A patent/FR2411538A1/en active Granted
- 1978-12-08 NL NLAANVRAGE7812006,A patent/NL176213C/en not_active IP Right Cessation
- 1978-12-08 CA CA317,604A patent/CA1105603A/en not_active Expired
- 1978-12-08 BE BE2057474A patent/BE872614A/en not_active IP Right Cessation
- 1978-12-09 JP JP15297778A patent/JPS54116104A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS54116104A (en) | 1979-09-10 |
DE2852113A1 (en) | 1979-06-13 |
NL7812006A (en) | 1979-06-12 |
AU542223B2 (en) | 1985-02-14 |
IT7852214A0 (en) | 1978-12-06 |
DE2852113B2 (en) | 1981-07-16 |
CA1105603A (en) | 1981-07-21 |
NO148135B (en) | 1983-05-02 |
NO783974L (en) | 1979-06-12 |
NL176213B (en) | 1984-10-01 |
ES475810A1 (en) | 1979-11-01 |
FR2411538B1 (en) | 1982-06-25 |
IT1111094B (en) | 1986-01-13 |
SE7812390L (en) | 1979-06-10 |
NO148135C (en) | 1983-08-10 |
BE872614A (en) | 1979-03-30 |
DK528778A (en) | 1979-06-10 |
AU4212878A (en) | 1979-06-14 |
FR2411538A1 (en) | 1979-07-06 |
ZA786698B (en) | 1979-10-31 |
SE432042B (en) | 1984-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1A | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |