DE3270113D1 - Process for making a ceramic shell mould element, and mould element obtained - Google Patents

Process for making a ceramic shell mould element, and mould element obtained

Info

Publication number
DE3270113D1
DE3270113D1 DE8282401491T DE3270113T DE3270113D1 DE 3270113 D1 DE3270113 D1 DE 3270113D1 DE 8282401491 T DE8282401491 T DE 8282401491T DE 3270113 T DE3270113 T DE 3270113T DE 3270113 D1 DE3270113 D1 DE 3270113D1
Authority
DE
Germany
Prior art keywords
mould element
added parts
firing
shell
box
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
DE8282401491T
Other languages
German (de)
Inventor
Marcel Flenne
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.)
Creusot Loire SA
Original Assignee
Creusot Loire SA
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 Creusot Loire SA filed Critical Creusot Loire SA
Application granted granted Critical
Publication of DE3270113D1 publication Critical patent/DE3270113D1/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
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns

Abstract

1. A process for producing a mould element comprising effecting a succession of layers by means of a barbotine comprising a refractory powder and a binder having hot and cold agglomerating properties, each deposit of a layer being followed by a powdering with a refractory powder, and effecting a firing, characterised in that it comprises forming a box (1) in which are mounted added parts (2) of a material which disintegrates upon firing, coating the box with a thin film of a mould-stripping agent, then effecting directly the deposit of the succession of layers so as to obtain a shell (3) having walls (31, 32), partitions (33) defining cavities (34) corresponding to the added parts and internal cavities, extracting said shell from the box and leaving the added parts embedded in the shell, these added parts being destroyed upon the firing.
DE8282401491T 1981-08-07 1982-08-06 Process for making a ceramic shell mould element, and mould element obtained Expired DE3270113D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8115423A FR2510923B1 (en) 1981-08-07 1981-08-07 PROCESS FOR MAKING A MOLD ELEMENT WITH A CERAMIC SHELL AND MOLD ELEMENT OBTAINED

Publications (1)

Publication Number Publication Date
DE3270113D1 true DE3270113D1 (en) 1986-04-30

Family

ID=9261313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282401491T Expired DE3270113D1 (en) 1981-08-07 1982-08-06 Process for making a ceramic shell mould element, and mould element obtained

Country Status (4)

Country Link
EP (1) EP0072329B1 (en)
AT (1) ATE18725T1 (en)
DE (1) DE3270113D1 (en)
FR (1) FR2510923B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649917A1 (en) * 1989-07-20 1991-01-25 Snecma PROCESS FOR THE MANUFACTURE OF SHELL MOLDS FOR FOUNDRY

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741817A (en) * 1950-08-03 1956-04-17 Universal Castings Corp Heat disposable pattern for molding a blade cavity
FR1071806A (en) * 1951-12-15 1954-09-06 Ford Method of coating a mold
GB876805A (en) * 1959-06-11 1961-09-06 Howe Sound Co Improvements in making refractory shell molds
FR1384487A (en) * 1963-03-14 1965-01-04 Enhancements to shell molds for precision casting
US4315537A (en) * 1976-05-21 1982-02-16 Trw Inc. Method of making a mold

Also Published As

Publication number Publication date
EP0072329A1 (en) 1983-02-16
EP0072329B1 (en) 1986-03-26
FR2510923B1 (en) 1986-07-04
ATE18725T1 (en) 1986-04-15
FR2510923A1 (en) 1983-02-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition