US3799238A - Method of sealing the stopping and withdrawing head in a continuous casting mold - Google Patents

Method of sealing the stopping and withdrawing head in a continuous casting mold Download PDF

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Publication number
US3799238A
US3799238A US00228765A US22876572A US3799238A US 3799238 A US3799238 A US 3799238A US 00228765 A US00228765 A US 00228765A US 22876572 A US22876572 A US 22876572A US 3799238 A US3799238 A US 3799238A
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US
United States
Prior art keywords
mold
stopping
seal
casting
walls
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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US00228765A
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English (en)
Inventor
W Bruderer
P Koenig
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.)
SMS Concast AG
Original Assignee
Concast 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 Concast AG filed Critical Concast AG
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Publication of US3799238A publication Critical patent/US3799238A/en
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/08—Accessories for starting the casting procedure
    • B22D11/088—Means for sealing the starter bar head in the moulds

Definitions

  • the present invention relates to a new and improved method of sealing the stopping and withdrawing head in a continuous casting mold having movable walls defining the cross-section of the mold interior or casting cavity of the mold, the walls of the mold being adjusted to the dimensions of the desired casting, and wherein a seal is inserted into the clearance gap between the stopping and withdrawing head and the mold walls.
  • Another and more specific object of the present invention relates to a new and improved method of sealing the stopping and withdrawing head of a continuous casting mold with minimum loss in time while nonetheless insuring for the provision of a really reliable and satisfactory seal.
  • the method aspects of this development contemplates withdrawing at least two adjoining mold walls from their casting position away from the longitudinal casting axis, introducing the stopping and withdrawing head into its prescribed position within the casting mold, and sealing the clearance gap between the stopping and withdrawing head and the mold walls by returning the mold walls into casting position.
  • the inventive technique of sealing the stopping and withdrawing head 8 of the dummy or starter bar 1 in such continuous casting mold 7 having the movable walls 4-6 defining the cross-section of the mold cavity or mold interior 9 contemplates withdrawing at least two adjoining mold walls from their casting position away from the longitudinal casting axis, as indicated by the arrows 16 in FIG. 1. Then the stopping and withdrawing head 8 is introduced in the direction of the arrow 15 into the thus adjusted casting mold 7 so as to assume the desired or prescribed position.
  • the stopping and withdrawing head 8 can be introduced into the casting mold 7 either before the seal 2 is applied thereto or the seal may be applied to the stopping and withdrawing head 8 prior to introduction of the latter into its prescribed position within the casting mold 7. Regardless of which technique is employed, and following the correct positioning of the stopping and withdrawing head 8 of the starter bar 1 within the casting mold 7 the clearance gap between such stopping and withdrawing head and the mold Walls is now sealed by returning the previously shifted mold walls into their casting position.
  • the introduction or application of the seal may be carried out when the stopping and withdrawing head 8 has reached its predetermined position in the continuous casting mold 7.
  • the stopping and withdrawing head 8 may be provided with the seal 2 before being moved into position and the seal is then carried into the continuous casting mold 7 while mounted at location 3 on the stopping and withdrawing head 8.
  • introduction of the seal 2 by the advancing stopping and withdrawing head 8 it must be protected against damage and during this operation there must be prevented undesirable deformation of the seal as otherwise the seal might not then be able to fulfill its intended sealing function.
  • This seal 2 preferably consists of an asbestos cord containing metallic penetration-retarding elements in the form of wires of soft steel and distributed throughout the interior of the cross-section of such seal. Seals of this type require no special protection by chill scrap because the wires prevent damaging penetration of the steel into the seal until the steel in the neighborhood of the seal has solidified or frozen.
  • the seal itself does not constitute subject matter of this development since, as above-explained, same has been disclosed in the previously referred to commonly assigned, copending United States Application, entitled Method Of And Means For Sealing A Stopping And Withdrawing Head In A Continuous Casting Mold For Steel.
  • the seal 2 is protected by a protective covering or cap, for instance a sheet metal hood, placed over the top of the stopping and withdrawing head and the seal so that such seal can not be damaged by the guiding elements.
  • a protective covering or cap for instance a sheet metal hood
  • the mold walls are returned into their respective positions for casting.
  • the mold walls deform the original cross-section of the seal 2 which then adjusts itself to the clearance gap 20 of the joint, thereby producing the same sealing effect as if an asbestos cord had been rammed into position, but without the cumbersome and time-consuming workwhich would then have been necessary to perform such seal ramming operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
US00228765A 1971-02-25 1972-02-23 Method of sealing the stopping and withdrawing head in a continuous casting mold Expired - Lifetime US3799238A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH288171A CH521181A (de) 1971-02-25 1971-02-25 Verfahren zum Abdichten des Anfahrkopfes in einer Kokille beim Stranggiessen

Publications (1)

Publication Number Publication Date
US3799238A true US3799238A (en) 1974-03-26

Family

ID=4243676

Family Applications (1)

Application Number Title Priority Date Filing Date
US00228765A Expired - Lifetime US3799238A (en) 1971-02-25 1972-02-23 Method of sealing the stopping and withdrawing head in a continuous casting mold

Country Status (5)

Country Link
US (1) US3799238A (de)
JP (1) JPS5120299B1 (de)
CH (1) CH521181A (de)
DE (1) DE2208494C3 (de)
GB (1) GB1386633A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2384570A1 (fr) * 1977-03-25 1978-10-20 Voest Ag Dispositif d'etancheite entre les parois d'une lingotiere a passage continu refroidie et la tete d'une barre de demarrage
US5556109A (en) * 1993-03-30 1996-09-17 Voest-Alpine Industrieanlagenbau Gmbh Method of sealing and seal for a starter bar head to be used in a continuous caster
US5735334A (en) * 1991-12-07 1998-04-07 Alloy Technologies Limited Casting of light metal alloys
CN105195696A (zh) * 2015-11-06 2015-12-30 内蒙古包钢钢联股份有限公司 一种能够防止异形坯开浇渗漏的封引锭方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107695333A (zh) * 2017-11-09 2018-02-16 宜兴市华井科技有限公司 一种稳定高密闭的封止管组件

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3528485A (en) * 1968-05-20 1970-09-15 Concast Inc Continuous-casting mold
US3559720A (en) * 1968-05-10 1971-02-02 Concast Inc Continuous casting apparatus having a two part separable mold
US3643731A (en) * 1969-05-27 1972-02-22 United States Steel Corp Detachable joint between continuous-casting starter bar and casting

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559720A (en) * 1968-05-10 1971-02-02 Concast Inc Continuous casting apparatus having a two part separable mold
US3528485A (en) * 1968-05-20 1970-09-15 Concast Inc Continuous-casting mold
US3643731A (en) * 1969-05-27 1972-02-22 United States Steel Corp Detachable joint between continuous-casting starter bar and casting

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2384570A1 (fr) * 1977-03-25 1978-10-20 Voest Ag Dispositif d'etancheite entre les parois d'une lingotiere a passage continu refroidie et la tete d'une barre de demarrage
US4178000A (en) * 1977-03-25 1979-12-11 Vereinigte Osterreichische Eisen- Und Stahlwerke - Alpine Montan Aktiengesellschaft Sealing provided between the walls of a cooled continuous mould and the head of a starter bar
US5735334A (en) * 1991-12-07 1998-04-07 Alloy Technologies Limited Casting of light metal alloys
US5556109A (en) * 1993-03-30 1996-09-17 Voest-Alpine Industrieanlagenbau Gmbh Method of sealing and seal for a starter bar head to be used in a continuous caster
CN105195696A (zh) * 2015-11-06 2015-12-30 内蒙古包钢钢联股份有限公司 一种能够防止异形坯开浇渗漏的封引锭方法

Also Published As

Publication number Publication date
CH521181A (de) 1972-04-15
JPS5120299B1 (de) 1976-06-24
DE2208494C3 (de) 1974-03-07
DE2208494A1 (de) 1972-08-31
GB1386633A (en) 1975-03-12
DE2208494B2 (de) 1973-08-09

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