GB1327579A - Casting of metals - Google Patents

Casting of metals

Info

Publication number
GB1327579A
GB1327579A GB1327579DA GB1327579A GB 1327579 A GB1327579 A GB 1327579A GB 1327579D A GB1327579D A GB 1327579DA GB 1327579 A GB1327579 A GB 1327579A
Authority
GB
United Kingdom
Prior art keywords
pattern
sand
binder
blocks
iron blocks
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
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.)
Hoganas AB
Original Assignee
Hoganas AB
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 Hoganas AB filed Critical Hoganas AB
Publication of GB1327579A publication Critical patent/GB1327579A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/06—Permanent moulds for shaped castings
    • B22C9/068—Semi-permanent moulds

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)

Abstract

1327579 Foundry moulding HOGANAS AB 18 Nov 1971 53584/71 Heading B3F [Also in Division C3] A foundry mould is made by arranging a plurality of water-absorbent iron blocks 10 in a flask around a pattern 15, so that they are adjacent but do not contact the pattern 15, filling the space between the pattern 15 and blocks 10 with sand 13 that contains a binder which sets on warming but is destroyed on heating to a predetermined temperature, setting the binder and removing the pattern 15 to leave a continuous sand layer 13 of uniform thickness supported by a backing of porous iron blocks 10. The sand may be chromite, olivine or zur on sand and may contain 1 to 5% wt. of furan or cellulose derivative binder.
GB1327579D 1971-11-18 1971-11-18 Casting of metals Expired GB1327579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5358471 1971-11-18

Publications (1)

Publication Number Publication Date
GB1327579A true GB1327579A (en) 1973-08-22

Family

ID=10468314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1327579D Expired GB1327579A (en) 1971-11-18 1971-11-18 Casting of metals

Country Status (1)

Country Link
GB (1) GB1327579A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118079A (en) * 1982-03-23 1983-10-26 Uwe Ehlbeck Casting moulds and their manufacture
EP1531021A1 (en) * 2003-11-05 2005-05-18 Deutsche Giesserei- und Industrie-Holding AG Casting process for producing a casting piece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118079A (en) * 1982-03-23 1983-10-26 Uwe Ehlbeck Casting moulds and their manufacture
EP1531021A1 (en) * 2003-11-05 2005-05-18 Deutsche Giesserei- und Industrie-Holding AG Casting process for producing a casting piece

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee