CH276538A - Electromagnetic relay. - Google Patents

Electromagnetic relay.

Info

Publication number: CH276538A
Authority: CH; Switzerland
Prior art keywords: electromagnetic relay; relay; electromagnetic
Prior art date: 1948-10-29

Application number

Other languages

German (de)

Inventor

N V Koninklijke Metaalwa Zonen

Original Assignee

Koninkl Metaalfab V H J N Daal

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.)

1948-10-29

Filing date

1949-10-25

Publication date

1951-07-15

1949-10-25 Application filed by Koninkl Metaalfab V H J N Daal filed Critical Koninkl Metaalfab V H J N Daal

1951-07-15 Publication of CH276538A publication Critical patent/CH276538A/en

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
- F42D1/045—Arrangements for electric ignition
- F42D1/05—Electric circuits for blasting
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by AC

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Electromagnets (AREA)
Control Of Direct Current Motors (AREA)

CH276538D 1948-10-29 1949-10-25 Electromagnetic relay. CH276538A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL276538X		1948-10-29
NL230949X		1949-09-23

Publications (1)

Publication Number	Publication Date
CH276538A true CH276538A (en)	1951-07-15

Family

ID=26643535

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH276538D CH276538A (en)	1948-10-29	1949-10-25	Electromagnetic relay.

Country Status (5)

Country	Link
BE (1)	BE491734A (en)
CH (1)	CH276538A (en)
DE (1)	DE836979C (en)
FR (1)	FR998119A (en)
GB (1)	GB660974A (en)

0
- BE BE491734D patent/BE491734A/xx unknown
1949
- 1949-10-21 FR FR998119D patent/FR998119A/en not_active Expired
- 1949-10-25 DE DEN65A patent/DE836979C/en not_active Expired
- 1949-10-25 CH CH276538D patent/CH276538A/en unknown
- 1949-10-31 GB GB27838/49A patent/GB660974A/en not_active Expired

Also Published As

Publication number	Publication date
FR998119A (en)	1952-01-15
GB660974A (en)	1951-11-14
BE491734A (en)
DE836979C (en)	1952-04-17

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