NL71987C - - Google Patents

Info

Publication number: NL71987C
Authority: NL; Netherlands

Application number

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.)

1949-04-06

Publication of NL71987C publication Critical patent/NL71987C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic

NL71987D 1949-04-06 NL71987C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR877336X		1949-04-06

Publications (1)

Publication Number	Publication Date
NL71987C true NL71987C (en)

Family

ID=9360977

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL71987D NL71987C (en)	1949-04-06
NL676707459A NL151927B (en)	1949-04-06		HYDRAULIC BOLT TENSIONER FOR USE IN TIGHTENING HIGH LOAD NUTS.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL676707459A NL151927B (en)	1949-04-06		HYDRAULIC BOLT TENSIONER FOR USE IN TIGHTENING HIGH LOAD NUTS.

Country Status (5)

Country	Link
BE (1)	BE494505A (en)
DE (1)	DE877336C (en)
FR (1)	FR987580A (en)
GB (1)	GB667724A (en)
NL (2)	NL151927B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1164535B (en) *	1958-10-21	1964-03-05	Bbc Brown Boveri & Cie	Hydraulic control device with high response speed for electrical circuit breakers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE707302C (en) *	1938-06-28	1941-06-18	Bbc Brown Boveri & Cie	Compressed air switch with electropneumatic control
DE744834C (en) *	1941-04-17	1944-01-26	Aeg	Pressure medium drive for electrical high-voltage switches

0
- NL NL71987D patent/NL71987C/xx active
- BE BE494505D patent/BE494505A/xx unknown
- NL NL676707459A patent/NL151927B/en unknown
1949
- 1949-04-06 FR FR987580D patent/FR987580A/en not_active Expired
1950
- 1950-03-24 GB GB7404/50A patent/GB667724A/en not_active Expired
- 1950-04-25 DE DEM2991A patent/DE877336C/en not_active Expired

Also Published As

Publication number	Publication date
FR987580A (en)	1951-08-16
DE877336C (en)	1953-05-21
BE494505A (en)
NL151927B (en)
GB667724A (en)	1952-03-05

Publication	Publication Date	Title
BE494505A (en)
NL85876C (en)
NL79577C (en)
NL77734C (en)
NL76151C (en)
NL75499C (en)
NL72804C (en)	1953-07-15
NL72673C (en)
NL70260C (en)
LU52863A1 (en)	1967-03-23
LU29410A1 (en)
BE496719A (en)
BE494779A (en)
BE493971A (en)
BE490045A (en)	1949-07-30
BE488550A (en)
BE488514A (en)
BE488447A (en)
BE488446A (en)
BE488429A (en)	1949-04-30
BE488426A (en)
BE488420A (en)
BE488341A (en)
BE488285A (en)
BE488282A (en)