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DE857100C - Fastening of heating threads, especially in the case of high-performance discharge tubes - Google Patents

Fastening of heating threads, especially in the case of high-performance discharge tubes

Info

Publication number
DE857100C
DE857100C DES17095A DES0017095A DE857100C DE 857100 C DE857100 C DE 857100C DE S17095 A DES17095 A DE S17095A DE S0017095 A DES0017095 A DE S0017095A DE 857100 C DE857100 C DE 857100C
Authority
DE
Germany
Prior art keywords
filament
fastening
case
discharge tubes
bent
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
Application number
DES17095A
Other languages
German (de)
Inventor
Otto Rublack
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Priority to DES17095A priority Critical patent/DE857100C/en
Application granted granted Critical
Publication of DE857100C publication Critical patent/DE857100C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters

Landscapes

  • Clamps And Clips (AREA)

Description

Die Erfindung bezieht sich auf eine Befestigung von Heizfäden, insbesondere bei Entladungsröhren großer Leistung. Diesbezüglich treten insofern Schwierigkeiten auf, als beispielsweise bei hakenförmiger Aufhängung der Heizfäden der Aufhängepunkt außerhalb der Heizfadenachse liegt und demzufolge bei Erwärmung die Heizfadenachse unter denn Aufhängepunkt abzuwandern bestrebt ist. Damit wird der Heizfaden nicht mehr seine räumliche Lage beibehalten, was insbesondere bei Entladungsröhren, in denen der Heizfaden z. B. gegenüber dem Steuergitter den erforderlichen Abstand einhalten soll, nicht erwünscht ist. Solche und ähnliche Logenänderungen des Heizfadens sollen erfindungsgemäß dadurch vermieden werden, daß das zu befestigende Heizfadenende Z-förmig gebogen in einer Halterung ohne Anwendung weiterer Befestigungsmittel gelagert ist.The invention relates to a fastening of filaments, in particular with high power discharge tubes. Difficulties arise in this regard as, for example, the suspension point in the case of hook-shaped suspension of the heating filaments lies outside the filament axis and consequently the filament axis when heated seeks to migrate under the suspension point. So that the filament won't Maintain its spatial position, which is particularly important in the case of discharge tubes in where the filament z. B. the required distance from the control grid should adhere to, is not desired. These and similar lodge changes of the filament should be avoided according to the invention that the filament end to be attached Bended in a Z-shape, stored in a holder without the use of additional fasteners is.

Zur Erläuterung der erfindungsgemäßen Befestigung ist in der Fig. i in schematischer Darstellung eine beispielsweise Ausführungsform wiedergegeben. Der dort gezeigte Heizfaden i ist an seinem einen Ende, selbstverständlich können auch beide Heizfadenenden in dieser Weise ausgebildet werden, Z-förmig gebogen. Das Mittelstück des Z-förmig gebogenen Heizfadenendes ruht in einer quer zur Heizfadenachse verlaufenden, beiderseitig angesenkten öffnung3 der Halterung 4, während das abgebogene Heizfadenende 5 bei gespanntem Heizfaden an der Halterung 4 anliegt. Die Spannung dies Heizfadens i kann durch eine federnde Vorrichtung erfolgen, die entweder an dem hier nicht gezeigten unteren Heizfadienende oder an der in der Fig. i dargestellten Halterung 4 angreift. Bei der Spannung des Heizfadens i liegt das abgebogene Heizfadenende 5 an der Halterung 4, welche abgeflacht sein kann, an, so daß weitere Befestigungsmittel, welche etwa aus um die Halterung 4 und das abgebogene Heizfadenende 5 gelegten Draftwindungen bestehen, nicht erforderlich sind.To explain the fastening according to the invention is shown in FIG. i shows an example of an embodiment in a schematic representation. The filament i shown there is at one end, of course you can Both ends of the filament are also designed in this way, bent into a Z-shape. The middle piece of the Z-shaped bent filament end rests in a direction transverse to the filament axis running, both sides countersunk opening 3 of the holder 4, while the bent The end of the filament 5 rests against the holder 4 when the filament is tensioned. The voltage this filament i can be done by a resilient device that is either on the lower heating filament end, not shown here, or at the one shown in FIG Bracket 4 attacks. When the filament i is tensioned, the bent end of the filament lies 5 on the bracket 4, which can be flattened, so that further fastening means, which approximately from around the holder 4 and the bent filament end 5 laid draft windings exist, are not required.

Statt der Öffnung 3 in Fig. i kann auch ein schräger Einschnitt 6 gemäß Fig. 2 vorgesehen verdien, der eine leichtere Einhängung des fertig gebogenen Heizfadens 7 durch seitliches Einschieben gestattet.Instead of the opening 3 in FIG deserve provided according to FIG. 2, the easier suspension of the finished bent Filament 7 permitted by sliding it in from the side.

Die erfindungsgemäße Z-förmige Biegung des Heizfadens bietet die Möglichkeit, das Heizfadenende bereits in der erfindungsgemäßen Weise vor seiner Befestigung abzubiegen und zwecks Befestigung durch die Öffnung der Halterung einzuführen.The Z-shaped bend of the filament according to the invention offers the possibility of the filament end already in the manner according to the invention before its attachment to be bent and inserted through the opening of the bracket for fastening.

Claims (1)

PATENTANSPRüCHE: i. Befestigung von Reizfäden, insbesondere bei Entladungsröhren großer Leistung, dadurch gekennzeichnet, daß das zu befestigende Heizfadenende Z-förmig gebogen in einer Halterung ohne Anwendung weiterer Befestigungsmittel gelagert ist. z. Befestigung nach Anspruch i, dadurch gekennzeichnet, daß die Halterung in einer quer zur Heizfadenachse verlaufenden Öffnung das Mittelstück des Z-förinig gebogenen Heizfadenendes trägt, während das davon abgebogene Heizfadenende bei gespanntem Heizfaden an der Halterung anliegt. 3. Befestigung nach Anspruch 2, dadurch gekennzeichnet, d@aß die Halterung an der Stelle des anliegenden Heizfadenendes flach ist. 4. Befestigung nach Anspruch 2, dadurch gekennzeichnet, daß die Öffnung aus einem schrägen Einschnitt besteht.PATENT CLAIMS: i. Attachment of irritant threads, especially in the case of discharge tubes high performance, characterized in that the end of the filament to be fastened is Z-shaped is stored bent in a holder without the use of further fasteners. z. Fastening according to claim i, characterized in that the holder is in one The opening running transversely to the filament axis forms the center piece of the Z-shaped curved opening The end of the filament wears, while the end of the filament bent away from it when it is stretched Filament rests against the bracket. 3. Fastening according to claim 2, characterized in that d @ ate the bracket is flat at the point where the end of the filament lies against it. 4. Attachment according to claim 2, characterized in that the opening consists of an inclined incision consists.
DES17095A 1950-06-30 1950-06-30 Fastening of heating threads, especially in the case of high-performance discharge tubes Expired DE857100C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES17095A DE857100C (en) 1950-06-30 1950-06-30 Fastening of heating threads, especially in the case of high-performance discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES17095A DE857100C (en) 1950-06-30 1950-06-30 Fastening of heating threads, especially in the case of high-performance discharge tubes

Publications (1)

Publication Number Publication Date
DE857100C true DE857100C (en) 1952-11-27

Family

ID=7475311

Family Applications (1)

Application Number Title Priority Date Filing Date
DES17095A Expired DE857100C (en) 1950-06-30 1950-06-30 Fastening of heating threads, especially in the case of high-performance discharge tubes

Country Status (1)

Country Link
DE (1) DE857100C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034276B (en) * 1952-03-28 1958-07-17 Thomson Houston Comp Francaise Immediately heated cathode for electron tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034276B (en) * 1952-03-28 1958-07-17 Thomson Houston Comp Francaise Immediately heated cathode for electron tubes

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