GB616847A - Improvements in or relating to an insulating cover for a solidifying casting - Google Patents

Improvements in or relating to an insulating cover for a solidifying casting

Info

Publication number
GB616847A
GB616847A GB27548/46A GB2754846A GB616847A GB 616847 A GB616847 A GB 616847A GB 27548/46 A GB27548/46 A GB 27548/46A GB 2754846 A GB2754846 A GB 2754846A GB 616847 A GB616847 A GB 616847A
Authority
GB
United Kingdom
Prior art keywords
layer
combustible
casting
cover
filler
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
GB27548/46A
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.)
Ferro Engineering Co
Original Assignee
Ferro Engineering 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
Application filed by Ferro Engineering Co filed Critical Ferro Engineering Co
Publication of GB616847A publication Critical patent/GB616847A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • B22D7/06—Ingot moulds or their manufacture
    • B22D7/10—Hot tops therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Road Paving Structures (AREA)

Abstract

616,847. Casting processes. FERRO ENGINEERING CO. Sept. 13, 1946, No. 27548. Convention date, Nov. 2, 1945. [Class 83 (i)] [Also in Group XIII] A cover for solidifying metal castings, particularly for feeders, risers, and ingot sinkheads, comprises an insulating slab 18 having, on its under surface, material 20 which is disintegrated by heat so that it falls on the casting I and follows the shrinkage, Fig. 3. The cover may also have an upper layer 19 of insulating material preferably containing vermiculite or like material permanently expanded by heat. The layer 18 may comprise sand, cinders, or other filler, asbestos or like fibres, and clay, cement, sodium silicate, &c. The layer 19 may contain a combustible or non-combustible filler and a bonding agent. The layer 20 may comprise slag, rock wool, sand or ashes, including some combustible or exothermic material, and be bonded with pitch, oil, flour, or glue.
GB27548/46A 1945-11-02 1946-09-13 Improvements in or relating to an insulating cover for a solidifying casting Expired GB616847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US616847XA 1945-11-02 1945-11-02

Publications (1)

Publication Number Publication Date
GB616847A true GB616847A (en) 1949-01-27

Family

ID=22037433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27548/46A Expired GB616847A (en) 1945-11-02 1946-09-13 Improvements in or relating to an insulating cover for a solidifying casting

Country Status (1)

Country Link
GB (1) GB616847A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2136053A2 (en) 2008-06-16 2009-12-23 Rolls-Royce plc A bleed valve arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2136053A2 (en) 2008-06-16 2009-12-23 Rolls-Royce plc A bleed valve arrangement

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