US1049624A - Means for joining electrodes. - Google Patents

Means for joining electrodes. Download PDF

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Publication number
US1049624A
US1049624A US68530512A US1912685305A US1049624A US 1049624 A US1049624 A US 1049624A US 68530512 A US68530512 A US 68530512A US 1912685305 A US1912685305 A US 1912685305A US 1049624 A US1049624 A US 1049624A
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US
United States
Prior art keywords
electrodes
tapped
centering
electrode
joining
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
Application number
US68530512A
Inventor
Eduard Viertel
Hermann Viertel
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 AG
Gebrueder Siemens and Co
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Priority to US68530512A priority Critical patent/US1049624A/en
Application granted granted Critical
Publication of US1049624A publication Critical patent/US1049624A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/14—Arrangements or methods for connecting successive electrode sections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S403/00—Joints and connections
    • Y10S403/05—Carbon electrode
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17931—Screw threaded
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/55—Member ends joined by inserted section
    • Y10T403/556—Section threaded to member

Definitions

  • Our invention relates to means for join-.
  • Electrodes for workin electric furnaces are in many cases provi ed with a female screw-thread and nipple in order that several electrodes may be joined together whereby unused ends are avoided and continuous working is enabled. Now as screw-threads.
  • a primary object of our invention 1s to remedy this defect. To this end we provide the tapped ends of the electrodes with centering means as described hereinafter andpointed outin the claims. 0
  • FIG. 1 is a section showing the known means for joining electrodes referred to above
  • Fig. 2 is a like view showing electrodes joined according to our invention
  • Fig. 3 is a like view showing a modified connection of electrodes according to our invention.
  • Fig. 1 shows two tapped ends of electrodes 1, 2 joined in the known defective, above-described manner by the nipple 3.
  • the tapped ends of the electrodes withcylindrical, conical or otherwise shaped centering means which may be, for example, projections or recesses.
  • annular centering member is constituted by the projection'2" of the electrode'2 which fits into the corresppnding recess 1 in the electrode 1
  • the electrodes land 2 have recesses 1' and 2', respectivel and a centering annulus is constitu y a separate member 4 which exactly fits the two recesses In this manner it is possible to join the electrodes exactly coaxially, the exact alinement being guaranteed even when the screwed connections are inexact, i. e. are made with play.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Discharge Heating (AREA)

Description

E. & H. VIERTB MEANS FOR JOINING ELEG APPLICATION FILED MAR.21,
Patented J an. 7,
Ji'a 3 M 545 5 4, Vii/m M V a- L I STATES PATENT oFFIoE.
mumymnm, or mmow, mam BERLIN, AND HEBMANN vmn'rnn, or 33cm mmm; 2mm BERLIN, GERMANY, assrenons 'ro ennmmnnn" SIEMENS 1:00., or. max mum, mum BERLIN, GERMANY, A GERMAN corsnrnnnsm.
FOR JOINING ELECTRODES.
Specification of Letters Patent. application filed March-21, 1912. Serial No. 885,305.
Patentd Jan. 7, 1913.
To all whom it may concern:
Be it known that we, EDUARD VIERTEL and HERMANN Vmnm, citizens of the Empire of Germany, and residing, respectively, at Treptow and Lichtenberg, near Berlin, Germany, have invented certain new and useful Improvements in Means for Joining Electrodes, of which the following is a specification.
Our invention relates to means for join-.
particularly for use 1n electr1c ing electrodes furnaces.
Electrodes for workin electric furnaces are in many cases provi ed with a female screw-thread and nipple in order that several electrodes may be joined together whereby unused ends are avoided and continuous working is enabled. Now as screw-threads.
can be made exactly in the carbon or graphite of the electrodes only with very great difiiculty,'as a rule the screw-threaded nipples are made a little smaller than the appertaining screw thread. Consequently, there is play between the nlpple and electrode so that the joined electrodes are frequently not in alinement.
A primary object of our invention 1s to remedy this defect. To this end we provide the tapped ends of the electrodes with centering means as described hereinafter andpointed outin the claims. 0
One illustrative embodiment of our invention and a modification thereof are represented by way of example in the accompanying drawing, wherein Figure 1 is a section showing the known means for joining electrodes referred to above, Fig. 2 is a like view showing electrodes joined according to our invention, and
Fig. 3 is a like view showing a modified connection of electrodes according to our invention. v
Referring to the drawing, Fig. 1 shows two tapped ends of electrodes 1, 2 joined in the known defective, above-described manner by the nipple 3.
According to our invention we provide the tapped ends of the electrodes withcylindrical, conical or otherwise shaped centering means which may be, for example, projections or recesses.
In an embodiment shown in Fig. 2 an annular centering member is constituted by the projection'2" of the electrode'2 which fits into the corresppnding recess 1 in the electrode 1 As em odied in Fig. 3 the electrodes land 2 have recesses 1' and 2', respectivel and a centering annulus is constitu y a separate member 4 which exactly fits the two recesses In this manner it is possible to join the electrodes exactly coaxially, the exact alinement being guaranteed even when the screwed connections are inexact, i. e. are made with play.
The exactness of the alinement or centering is increased still more when the centering faces are turned on a lathe. On the other hand, it is, in general, not necessary to true the screw-threads on the lathe, whereby considerable saving in labor is obtained.
We claim 1. The combination, with two electrodes each having a tapped end, of a nipp screwed into the tapped ends, the tapped end of each electrode being provided wlth centering means, substantially as described, for the purpose specified.
2. The combination, with two electrodes each having a tapped end, of a nipple screwed into the tapped ends, the tapped ends of said electrodes bein provided with centering means adapted to interact between screwed into the tapped ends, the tapped end of one electrode being provided with an axial recess, and a centering wedge adapted to fit said recess exactly and to bring the tapped end of the other electrode into exact alinement with the first electrode.
5. The combination with a pair of electrodes provided with means for drawing them endwise into close abutment, sai
means bein adapted to approximately aline the axes 0 said electrodes, of a centering member interposed between said electrodes, and adapted to perfect the. alinement of said axes.
, 5 provided with means adapted to perfect the The combination with two electrodes nalnes to this specification in the presence of ha vin abutting ends, of a threaded connectwo witnesses.
tion a apted to approximately aline the axis EDUARD VIERTEL. of said electrode, said abutting ends being HERMANN VIERTEL. Witnesses HENRY Hum, Womnmn Ham.
alinement.
In testimony whereof, we have signed our
US68530512A 1912-03-21 1912-03-21 Means for joining electrodes. Expired - Lifetime US1049624A (en)

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US68530512A US1049624A (en) 1912-03-21 1912-03-21 Means for joining electrodes.

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US68530512A US1049624A (en) 1912-03-21 1912-03-21 Means for joining electrodes.

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458272A (en) * 1946-07-27 1949-01-04 Ohio Ferro Alloys Corp Electrode splicing device
US2458273A (en) * 1947-08-30 1949-01-04 Joyce L Jurin Woman's sanitary undergarment
DE1272472B (en) * 1957-04-11 1968-07-11 Sigri Elektrographit Gmbh Connection of carbon or graphite electrodes for electric ovens by means of double-conical threaded nipples
US5125760A (en) * 1991-06-20 1992-06-30 Challis Stairways, Inc. Method and structure for joining two elongate objects together end-to-end
US5336015A (en) * 1992-11-25 1994-08-09 Ucar Carbon Technology Corporation Self centering electrode joint
US20050207467A1 (en) * 2004-03-18 2005-09-22 John Montminy Threaded pin for carbon electrodes, and electrode assembly with a threaded pin

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458272A (en) * 1946-07-27 1949-01-04 Ohio Ferro Alloys Corp Electrode splicing device
US2458273A (en) * 1947-08-30 1949-01-04 Joyce L Jurin Woman's sanitary undergarment
DE1272472B (en) * 1957-04-11 1968-07-11 Sigri Elektrographit Gmbh Connection of carbon or graphite electrodes for electric ovens by means of double-conical threaded nipples
US5125760A (en) * 1991-06-20 1992-06-30 Challis Stairways, Inc. Method and structure for joining two elongate objects together end-to-end
US5336015A (en) * 1992-11-25 1994-08-09 Ucar Carbon Technology Corporation Self centering electrode joint
US20050207467A1 (en) * 2004-03-18 2005-09-22 John Montminy Threaded pin for carbon electrodes, and electrode assembly with a threaded pin
WO2005091681A1 (en) * 2004-03-18 2005-09-29 Sgl Carbon Ag Threaded pin for carbon electrodes, and electrode assembly with a threaded pin

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