US664966A - Electrothermostatic cable for fire-alarms. - Google Patents
Electrothermostatic cable for fire-alarms. Download PDFInfo
- Publication number
- US664966A US664966A US1285600A US1900012856A US664966A US 664966 A US664966 A US 664966A US 1285600 A US1285600 A US 1285600A US 1900012856 A US1900012856 A US 1900012856A US 664966 A US664966 A US 664966A
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- US
- United States
- Prior art keywords
- cable
- alarms
- fire
- electrothermostatic
- insulating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Definitions
- My invention consists of a new-and useful electmthermostatic cable for fire-alarms; and its object is to provide a wire conductor of the cable form in which two conducting-wires insulated from each other and normally out of electrical contact areadapted to complete an electric circuit containing the fire-alarm apparatus bythe fusion of a melting piece inserted between two elastic contacts, which are secured to the conducting-wires by soldering or in any similar manner before insulating the wires from each other, so that the ends 0f said contacts after insulating and lwinding project out of lthe insulating-envelop.
- Fig. 2 is a cross-'sectional view of the cable, showing oneof the thermal circuit-closers e
- Fig. 3 shows aplan view of the cable, the insulating-covering and the circuitcloser being partly shown in section.
- Fig. 4 illustrates a diagram of the cable show-n.
- the two elastic contacts c are respectively secured to the wires by soldering or in any similar manner, as shown in Fig. 2, sothat said .contacts c after insulating and Winding partially'pr-ojectl out of the insulating-envelop e. Between said elastic contacts c are clamped thin insulating-pieces o5, of a fusible material melting easily and without residuum at any dangerous increase of temperaturesuch as paraflin, stearin, and the like.
- This cable connected at one endto the .circuit of a single realarm bell, will give a signal forevery increase of heat at all points of the cable provided with the thermal cir- -cuit-closers, because the circuit is instantly closed if one of the fusible pieces melts by an increase of beat.
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Description
No. 664,966. Patented Jan. I, SUL
, A., MUNKEH. l
ELEC''RUTHEBHQSTATHC CABLE FDR FERE ALARMS (Application me@ pn 14, 1960.) (No Mudd.)
L Fly-f 6 e /zgwsses. fnvezzfor.
his ffrney UNITED VS'TrvrEs PATENT OFFICE.
ADOLPH MNKER, OF SOHOENEBERG, GERMANY.
ELECTR'OTHERMOSTATIC CABLE FOR FIRE-ALARMS.
SPECIFICATION forming part of Letters Patent No. 664,966, dated .l'anuaryr 1, 1901.
' Y Application tiled Aprill, 1900. Serial No. 12,856- (No model.) A
To will whom t may con/cern:
Be it known that I, ADOLPH` MNKER, lithographer, a subject of the Emperor of Germany, residing at 4:0 Grunewaldstrasse,
-Scheneberg, near Berlin, in the Kingdom oi Prussia, German Empire, have invented a new and useful Electrothermostatic Cable for Fire-Alarms, of which .the following is a full,- clear, and eXact-specilication.
My invention consists of a new-and useful electmthermostatic cable for fire-alarms; and its object is to provide a wire conductor of the cable form in which two conducting-wires insulated from each other and normally out of electrical contact areadapted to complete an electric circuit containing the lire-alarm apparatus bythe fusion of a melting piece inserted between two elastic contacts, which are secured to the conducting-wires by soldering or in any similar manner before insulating the wires from each other, so that the ends 0f said contacts after insulating and lwinding project out of lthe insulating-envelop. The
cablehas the thusfformed thermal circuit- @losers secured to it at any suitable distance -from each other, for the purpose required.
. This cable lthus provided with numerous circuit-closers of the described form will canse an alarm to be operated at every dangerous? in Figure l, a short length of the cable,'its
.forming partiathereof.
insulating-envelop being broken away at itsfends to show the t'wo conducting-wires.`
Fig. 2 is a cross-'sectional view of the cable, showing oneof the thermal circuit-closers e Fig. 3 shows aplan view of the cable, the insulating-covering and the circuitcloser being partly shown in section. Fig. 4 illustrates a diagram of the cable show-n.
Before insulating the two conducting-wires a and b the two elastic contacts c are respectively secured to the wires by soldering or in any similar manner, as shown in Fig. 2, sothat said .contacts c after insulating and Winding partially'pr-ojectl out of the insulating-envelop e. Between said elastic contacts c are clamped thin insulating-pieces o5, of a fusible material melting easily and without residuum at any dangerous increase of temperaturesuch as paraflin, stearin, and the like. This cable, connected at one endto the .circuit of a single realarm bell, will give a signal forevery increase of heat at all points of the cable provided with the thermal cir- -cuit-closers, because the circuit is instantly closed if one of the fusible pieces melts by an increase of beat.
What I claim as my invention isi An electrothermostatic cable for fire-alarms consisting of two conducting-Wires insulated from each othery and a suitable number of thermal circuit-closers forming part of the cable,` said 'circuit-closers consisting. of two sible piece, between said contacts, substanf tially as described. i
ln witness whereof I have hereunto signed presence of two subscribing witnesses.
ABOLPH MUNKER. Witnesses: i
HENRYv HASER, Yif?Ninna/.nin HAUPT.
to be connected to adire-alarm apparatus not my name', this 16th day of March, 1900, in the elastic contacts respectively securedto the conducting-Wires before insulating anda fu-
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1285600A US664966A (en) | 1900-04-14 | 1900-04-14 | Electrothermostatic cable for fire-alarms. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1285600A US664966A (en) | 1900-04-14 | 1900-04-14 | Electrothermostatic cable for fire-alarms. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US664966A true US664966A (en) | 1901-01-01 |
Family
ID=2733523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US1285600A Expired - Lifetime US664966A (en) | 1900-04-14 | 1900-04-14 | Electrothermostatic cable for fire-alarms. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US664966A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453159A (en) * | 1981-09-28 | 1984-06-05 | Thermon Manufacturing Company | Self-monitoring heat tracing system |
| WO2015024088A1 (en) | 2013-08-23 | 2015-02-26 | Braskem S.A. | Process for producing modified poly(propene), the modified poly(propene) and the use thereof, and the polymer blend |
-
1900
- 1900-04-14 US US1285600A patent/US664966A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453159A (en) * | 1981-09-28 | 1984-06-05 | Thermon Manufacturing Company | Self-monitoring heat tracing system |
| WO2015024088A1 (en) | 2013-08-23 | 2015-02-26 | Braskem S.A. | Process for producing modified poly(propene), the modified poly(propene) and the use thereof, and the polymer blend |
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