US3281904A - Stopper for a ladle or similar receptacle - Google Patents

Stopper for a ladle or similar receptacle Download PDF

Info

Publication number
US3281904A
US3281904A US759670A US75967058A US3281904A US 3281904 A US3281904 A US 3281904A US 759670 A US759670 A US 759670A US 75967058 A US75967058 A US 75967058A US 3281904 A US3281904 A US 3281904A
Authority
US
United States
Prior art keywords
rod
well
stopper
head
lateral projection
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
US759670A
Other languages
English (en)
Inventor
Crawford B Murton
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.)
Vesuvius Crucible Co
Original Assignee
Vesuvius Crucible Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26639883&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US3281904(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to NL240219D priority Critical patent/NL240219A/xx
Application filed by Vesuvius Crucible Co filed Critical Vesuvius Crucible Co
Priority to US759670A priority patent/US3281904A/en
Priority to GB17474/59A priority patent/GB875178A/en
Priority to DEV16604A priority patent/DE1138520B/de
Priority to FR797190A priority patent/FR1228624A/fr
Priority to NL240219A priority patent/NL110196C/xx
Priority to BE582330A priority patent/BE582330A/fr
Priority to LU40751D priority patent/LU40751A1/xx
Priority to US410863A priority patent/US3352533A/en
Publication of US3281904A publication Critical patent/US3281904A/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14—Closures
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F27D3/1536—Devices for plugging tap holes, e.g. plugs stoppers

Definitions

  • This invention relates to a stopper for a ladle or similar receptacle and has to do particularly with the manner of attachment of the stopper rod to the stopper head.
  • stopper rods fastening stopper rods to stopper heads but each has had disadvantages. It is undesirable to apply the stopper rod through the bottom of the stopper head as then the opening in the bottom of the stopper head must be plugged and the plug is liable to fall out.
  • Various provisions for applying the stopper rod to the top of the stopper head have been suggested but these have for the most part involved intricate or impractical structures. They have generally involved so-called one piece or permanently assembled stopper rod and head combinations requiring breaking the stopper head to disconnect the rod from the head for replacement of one or the other.
  • I provide a stopper for a ladle or similar receptacle which obviates the disadvantages of the expedients heretofore employed by those skilled in the art for attaching ladle stopper rods to the stopper heads.
  • I provide a stopper for a ladle or similar receptacle comprising a fractory head having a well extending downwardly thereinto, a rod having a lateral projection at its bottom insertable downwardly into the well and means appliable to the head and rod into position to overlie at least a portion of the lateral projection at the bottom of the rod and thereby block withdrawal of the rod from the well whereby to attach the rod to the head, said means being the sole means overlying the lateral projection at the bottom of the rod.
  • Such means are preferably also insertable downwardly into the well above the lateral projection at the bottom of the rod into position to overlie at least a portion of the lateral projection at the bottom of the rod and thereby block withdrawal of the rod from the well and connected with the head whereby to attach the rod to the head.
  • I further provide a stopper for a ladle or similar receptacle comprising a refractory head having a well extending downwardly thereinto, a rod having a lateral projection at its bottom insertable downwardly into the well and means at least largely surrounding the rod above the lateral projection thereon appliable to the head into position to overlie at least a portion of the lateral projection at the bottom of the rod and thereby block withdrawal of the rod from the well whereby to attach the rod to the head.
  • I preferably employ preformed refractory means which are appliable to the head and rod int-o position to overlie at least a portion of the lateral projection at the bottom of the rod and underlie a portion of the head.
  • the well of my refractory stopper head preferably has a portion of its wall relatively remote from its bottom of smaller transverse dimension than a portion of its wall less remote from its bottom, forming a shoulder facing toward the bottom of the well, and I preferably provide means interposed between said shoulder and the lateral projection at the bottom of the rod blocking withdrawal of the rod from the well whereby to attach the rod to the head.
  • Such means are preferably preformed refractory means.
  • I desirably employ cooperating preformed elements fitting together to at least largely surround the rod above the lateral projection thereon appliable to the head into position to overlie at least a portion of the EXMBM Fatented Nov.
  • the well may be internally threaded and preformed externally threaded preferably refractory means may be provided which are adapted to be threaded into the well into position to overlie at least a portion of the lateral projection at the bottom of the rod; or the well may have at a portion of its periphery a shoulder facing toward the bottom of the well and means may be employed which are insertable downwardly into the well into position to overlie at least a portion of the lateral projection at the bottom of the rod and turnable to a position in which a part thereof underlies the shoulder to block withdrawal of the rod from the well and thereby attach the rod to the head. Desirably means are provided holding the last mentioned means against turning out of the position in which a part thereof underlies the shoulder to block withdrawal of the rod from the well.
  • FIGURE 1 is an isometric view of a ladle stopper head with a portion cut away;
  • FIGURE 2 is an isometric view of a lugged insert ring
  • FIGURE 3 is an isometric view of a locking member
  • FIGURE 4 is a horizontal cross-sectional view of an assembled stopper head and stopper rod utilizing the structures shown in FIGURES 1, 2 and 3, the cross-section being taken through the stopper rod just above the head and looking downwardly toward the head, the lugged insert ring being shown in full lines in the position in which it is initially inserted into the well in the stopper head and in dotted lines in its holding position turned through an angle of from the initial position;
  • FIGURE 5 is a vertical cross-sectional view through the assembled stopper head and stopper rod utilizing the structures shown in FIGURES l, 2, 3 and 4 but with the lugged insert ring in its holding position;
  • FIGURE 6 is a vertical cross-sectional view through a modified form of structure.
  • a refractory head 2 of a stopper for a ladle or similar receptacle The bottom portion 3 of the stopper head 2. is solid. and imperforate.
  • the stopper head has a well designated generally by reference numeral 4 extending downwardly thereinto from the top surface 5 thereof.
  • the well 4 is of generally circular shape but having opposed outwardly projecting portions 6 each of which is connected adjacent the bottom 7 of the well 4 with a circumferentially extending cut out portion 8.
  • FIGURE 2 shows a lugged insert ring the body of which is designated generally by reference numeral 9 and. which has projecting outwardly therefrom at the lower portion thereof opposed lugs 10.
  • the lugged insert ring is adapted to surround the stopper rod as will presently be described and to pass downwardly within the well 4 with the lugs 1i) moving within the outwardly projecting portions 6 of the well.
  • the lugged insert ring reaches the position in which the lugs 10 are in lateral alignment with the circumferentially extending cut out portions 8 of the head 2 the lugged insert ring is turned about its axis through an angle of 90 to position the respective lugs underneath portions 11 of the stopper head, which portions overlie the cut out portions 8.
  • the well 4 has a portion of its wall defined by the inner surface of the portion 11 of the stopper head relatively remote from its bottom 7 of smaller transverse dimension than J a portion 8 of its wall less remote from its bottom 7 forming a shoulder 12 facing toward the bottom of the well.
  • a locking member 14 shown in FIGURE 3 is dropped into one of the outwardly projecting portions 6 of the well to prevent turning of the lugged insert ring back to its initial position since the locking member 14 lies in the path of one of the lugs 10. While one locking member 14 is all that is required two such locking members are preferably used for added locking safety.
  • FIGURE 5 shows a stopper rod 15 assembled with a head 2 and a lugged insert ring as shown in FIGURE 2.
  • the stopper rod 15 extends through a bore 16 in the lugged insert ring as shown in FIGURE 5, and the stopper rod has a lateral projection 17 at its bottom.
  • the lateral projection 17 is circular and coaxial with the rod 15. Its diameter is less than the diameter of the well 4 intermediate the portions 6 so that the stopper rod may be insertable downwardly into the well.
  • the lugged insert ring is applied over the stopper rod so as to rest upon the upper surface of the lateral projection 17.
  • the lower portion of the stopper rod with the lugged insert ring thereabout and resting upon the lateral projection 17 is inserted downwardly into the well 4, the lugs 10 of the lugged insert ring moving downwardly through the portions 6 of the well.
  • the upper surfaces 13 of the lugs 10 will be slightly below the level of the shoulders 12.
  • the lugged insert ring will be turned through an angle of 90, more or less, and the locking members 14 inserted as above described to maintain the assembly.
  • the lugged insert ring cannot be removed from the well of the stopper head because the lugs 10 underlie the shoulders 12.
  • the stopper rod is held in place by the lugged insert ring acting upon the upper surf-ace of the lateral projection 17.
  • FIGURE 6 shows a modified construction including a refractory stopper head 2a the bottom portion 3a of which is solid and imperforate.
  • the stopper head has a well designated generally by reference numeral 4a extending downwardly thereinto from the top surface 5a thereof.
  • the well 4a is of generally circular shape and internally threaded as shown at 6a.
  • the bottom of the well is designated 7a and is of somewhat smaller diameter than the threaded portion thereof.
  • the stopper rod is designated 15a and has at its bottom a lateral projection 17a.
  • a preformed refractory collar 9a Surrounding the lower portion of the stopper rod 15a above the lateral projection 17a is a preformed refractory collar 9a which is externally threaded as shown at 10a so that the collar'may be screwed down into the well 4a with the threads 10a of the collar meshing with the threads 6a of the well as shown in FIGURE 6.
  • the collar 9a may be a solid completely circular collar or it may consist of cooperating preformed elements fitting together to at least largely surround the rod.
  • the collar 9a may be made in two halves which may be applied to the rod from opposite sides so that when applied the effect is the same as a solid collar and the 60 sectional collar may be'screwed down into the well of th stopper head just the same as a solid collar.
  • Each of the threads 6a of the well 4a constitutes a portion of the wall of the well relatively remote from its bottom of smaller transverse dimension than the space underlying it which is less remote from the bottom of the well so that the lower portion of each thread forms a shoulder facing toward the bot-tom of the well. Those shoulders act to maintain the collar 9a in place and the collar in turn acts against the upper surface of the lateral projection 17a to block withdrawal of the rod 15a from the well and thereby attach the rod to the head.
  • a rod protecting sleeve is shown at 18; the sleeve may be of conventional form.
  • the lugged insert ring 9 and the collar 9a are preformed of refractory material which may be the same as the refractory material of the stopper head so as to have the same coeflicient of thermal expansion.
  • the preformed refractory member or means is the sole means overlying the lateral projection at the bottom of the rod. My stopper is very easy to assemble and disassemble, is inexpensive and gives long service life.
  • a stopper for a ladle or similar receptacle comprising a refractory head having a well extending downwardly thereinto, a rod having a lateral projection at its bottom inserted downwardly into the well, the well being internally threaded, and externally threaded means threaded into the well into position to overlie at least a portion of the lateral projection at the bottom of the rod and thereby block withdrawal of the rod from the well whereby to attach the rod to the head.
  • a stopper for a ladle or similar receptacle comprising a refractory head having a well extending downwardly thereinto, a rod having a lateral projection at its bottom inserted downwardly into the well, the well being internally threaded, and externally threaded means threaded into the well into position to overlie at least a portion of the lateral projection at the bottom of the rod and thereby block withdrawal of the rod from the well whereby to attach the rod to the head, said externally threaded means being the sole means overlying the lateral projection at the bottom of the rod.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Furnace Charging Or Discharging (AREA)
US759670A 1958-09-08 1958-09-08 Stopper for a ladle or similar receptacle Expired - Lifetime US3281904A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL240219D NL240219A (is") 1958-09-08
US759670A US3281904A (en) 1958-09-08 1958-09-08 Stopper for a ladle or similar receptacle
GB17474/59A GB875178A (en) 1958-09-08 1959-05-22 Stopper for a ladle or similar receptacle for molten steel or the like
DEV16604A DE1138520B (de) 1958-09-08 1959-05-29 Stopfen fuer ein Giessgefaess mit Bodenauslassoeffnung
FR797190A FR1228624A (fr) 1958-09-08 1959-06-11 Tampon pour poches de coulée et récipients analogues
NL240219A NL110196C (is") 1958-09-08 1959-06-15
BE582330A BE582330A (fr) 1958-09-08 1959-09-04 Tampon pour poches de coulee et recipients analogues.
LU40751D LU40751A1 (is") 1958-09-08 1961-10-24
US410863A US3352533A (en) 1958-09-08 1964-11-13 Stopper for a ladle or similar receptacle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US759670A US3281904A (en) 1958-09-08 1958-09-08 Stopper for a ladle or similar receptacle
LU40751 1961-10-24

Publications (1)

Publication Number Publication Date
US3281904A true US3281904A (en) 1966-11-01

Family

ID=26639883

Family Applications (2)

Application Number Title Priority Date Filing Date
US759670A Expired - Lifetime US3281904A (en) 1958-09-08 1958-09-08 Stopper for a ladle or similar receptacle
US410863A Expired - Lifetime US3352533A (en) 1958-09-08 1964-11-13 Stopper for a ladle or similar receptacle

Family Applications After (1)

Application Number Title Priority Date Filing Date
US410863A Expired - Lifetime US3352533A (en) 1958-09-08 1964-11-13 Stopper for a ladle or similar receptacle

Country Status (7)

Country Link
US (2) US3281904A (is")
BE (1) BE582330A (is")
DE (1) DE1138520B (is")
FR (1) FR1228624A (is")
GB (1) GB875178A (is")
LU (1) LU40751A1 (is")
NL (2) NL110196C (is")

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352533A (en) * 1958-09-08 1967-11-14 Vesuvius Crucible Co Stopper for a ladle or similar receptacle
US4337920A (en) * 1980-10-16 1982-07-06 Cameron Iron Works, Inc. Valve
US5201335A (en) * 1991-10-15 1993-04-13 Fisher Controls International, Inc. Method and apparatus for attaching ceramic to metal parts
EP1106285A1 (de) * 1999-12-11 2001-06-13 TYK Europe GmbH Befestigungssystem für eine Stopfenstange
EP1188502A1 (en) * 2000-09-14 2002-03-20 Akechi Ceramics Kabushiki Kaisha Holding structure for casting stopper
US6540009B1 (en) 2000-08-25 2003-04-01 Akechi Ceramics Kabushiki Kaisha Holding structure for continuous casting long stopper

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103720A (en) * 1961-07-21 1963-09-17 Ross Tacony Crucible Company Stopper rod assemblies
DE1231857B (de) * 1962-02-12 1967-01-05 Thomas Marshall & Co Loxley Lt Aus einem Ober- und einem Unterteil bestehender Stopfenkopf zu Stopfenstangen fuer Giesspfannen mit Bodenausguss
NL296127A (is") * 1962-12-14
DE1248241B (de) * 1964-02-03 1967-08-24 Brohltal Ag Fuer Stein Und Ton Stopfenstangengarnitur zum Verschliessen der Bodenoeffnung von Stahlgiesspfannen
US3352534A (en) * 1964-12-18 1967-11-14 Vesuvius Crucible Co Stopper for a ladle or similar receptacle
GB1149272A (en) * 1965-06-03 1969-04-23 Yawata Iron & Steel Co Air-cooled stopper for a ladle
US4575047A (en) * 1984-01-24 1986-03-11 Kennecott Corporation Ceramic to metal junction and method of making same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US712111A (en) * 1902-05-10 1902-10-28 John H Allendorfer Ladle-stopper.
GB190412291A (en) * 1904-05-31 1905-04-27 Lucas Williams A New, or Improved Ladle Stopper
US1719795A (en) * 1928-11-20 1929-07-02 Ross Tacony Crucible Company Bayonet-joint ladle stopper
US1825177A (en) * 1930-07-22 1931-09-29 George A Brosius Stopper
US1843175A (en) * 1929-08-28 1932-02-02 Corning Glass Works Refractory article
US2336518A (en) * 1943-12-14 Hot metal ladle
US2556152A (en) * 1948-04-27 1951-06-05 Cieslak Stephen Stopper rod assembly
US2599832A (en) * 1949-09-22 1952-06-10 United States Steel Corp Stopper head for ladles

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1439522A (en) * 1922-01-14 1922-12-19 Karl S Howard Pouring ladle for molten metal
US2005311A (en) * 1934-07-06 1935-06-18 American Sheet & Tin Plate Stopper rod for ladles
NL240219A (is") * 1958-09-08
US3027611A (en) * 1959-12-01 1962-04-03 Ross Tacony Crucible Company Stopper rod assemblies
US3040400A (en) * 1960-10-05 1962-06-26 Joseph Dixon Crucible Co Stopper rod assemblies
US3195198A (en) * 1963-04-22 1965-07-20 Vesuvius Crucible Co Stopper for a ladle or similar receptacle
US3126593A (en) * 1964-01-31 1964-03-31 leinhos

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336518A (en) * 1943-12-14 Hot metal ladle
US712111A (en) * 1902-05-10 1902-10-28 John H Allendorfer Ladle-stopper.
GB190412291A (en) * 1904-05-31 1905-04-27 Lucas Williams A New, or Improved Ladle Stopper
US1719795A (en) * 1928-11-20 1929-07-02 Ross Tacony Crucible Company Bayonet-joint ladle stopper
US1843175A (en) * 1929-08-28 1932-02-02 Corning Glass Works Refractory article
US1825177A (en) * 1930-07-22 1931-09-29 George A Brosius Stopper
US2556152A (en) * 1948-04-27 1951-06-05 Cieslak Stephen Stopper rod assembly
US2599832A (en) * 1949-09-22 1952-06-10 United States Steel Corp Stopper head for ladles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3352533A (en) * 1958-09-08 1967-11-14 Vesuvius Crucible Co Stopper for a ladle or similar receptacle
US4337920A (en) * 1980-10-16 1982-07-06 Cameron Iron Works, Inc. Valve
US5201335A (en) * 1991-10-15 1993-04-13 Fisher Controls International, Inc. Method and apparatus for attaching ceramic to metal parts
EP1106285A1 (de) * 1999-12-11 2001-06-13 TYK Europe GmbH Befestigungssystem für eine Stopfenstange
US6540009B1 (en) 2000-08-25 2003-04-01 Akechi Ceramics Kabushiki Kaisha Holding structure for continuous casting long stopper
EP1188502A1 (en) * 2000-09-14 2002-03-20 Akechi Ceramics Kabushiki Kaisha Holding structure for casting stopper

Also Published As

Publication number Publication date
NL110196C (is") 1964-12-15
GB875178A (en) 1961-08-16
FR1228624A (fr) 1960-08-31
BE582330A (fr) 1960-03-04
DE1138520B (de) 1962-10-25
NL240219A (is")
US3352533A (en) 1967-11-14
LU40751A1 (is") 1961-12-27

Similar Documents

Publication Publication Date Title
US3281904A (en) Stopper for a ladle or similar receptacle
US3395840A (en) Nozzle for a bottom pour ladle for molten metal
US3045855A (en) Candlestick, dish and compote
US3183564A (en) Stopper for a ladle or similar receptacle
US3091823A (en) Stopper for a ladle or similar receptacle
US3290739A (en) Stopper for a ladle or similar receptacle
US2968075A (en) Hot metal valve
US3026585A (en) Sectional hot top
US3462121A (en) Ladle stopper head assembly
US2770856A (en) Crucible and stopper therefor
US1696876A (en) Ladle stopper
US2261289A (en) Feeder for casting ingots
US3168766A (en) Pouring nozzle and stopper
US1145422A (en) Skimming-ladle.
US2836865A (en) Crucible pour mechanism
US3401737A (en) Wax cup and handle for investment casting
US2987787A (en) Stopper rod assemblies
US1970659A (en) Insulator cap
US2572754A (en) Ingot mold splash bowl
US1280973A (en) Stopper-rod.
US3044132A (en) Stopper for a ladle or similar receptacle
GB1080669A (en) Stopper for ladles or similar receptacles
US2264446A (en) Method of producing ingots of rising or open steel
US1633876A (en) Cast-steel ladle
US3153266A (en) Stopper rod assemblies