FR2070366A6 - Foundry moulds - Google Patents

Foundry moulds

Info

Publication number
FR2070366A6
FR2070366A6 FR6941581A FR6941581A FR2070366A6 FR 2070366 A6 FR2070366 A6 FR 2070366A6 FR 6941581 A FR6941581 A FR 6941581A FR 6941581 A FR6941581 A FR 6941581A FR 2070366 A6 FR2070366 A6 FR 2070366A6
Authority
FR
France
Prior art keywords
foundry moulds
filler
granules
layer
moulds
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
FR6941581A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR6941581A priority Critical patent/FR2070366A6/en
Priority to LU60071D priority patent/LU60071A1/xx
Priority to SE17840/69A priority patent/SE358102B/xx
Priority to BE743581A priority patent/BE743581A/en
Priority to IL33596A priority patent/IL33596A/en
Priority to CH1921869A priority patent/CH525048A/en
Priority to JP44105025A priority patent/JPS4824612B1/ja
Priority to US888315A priority patent/US3692086A/en
Priority to GB63118/69A priority patent/GB1298085A/en
Priority to NL6919470A priority patent/NL6919470A/xx
Priority to DE19691965446 priority patent/DE1965446C/en
Application granted granted Critical
Publication of FR2070366A6 publication Critical patent/FR2070366A6/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/165—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents in the manufacture of multilayered shell moulds

Landscapes

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

Abstract

Mould has refractory layer comprising large size degreasing granules, 250-6000 mu and fine grain filler, 2-600 mu. Large granules constitute 23-80% and filler is 20-77% of layer and they are agglomerated by a binder made by gelling a silicate. Used to make one-piece moulds.
FR6941581A 1968-12-27 1969-12-02 Foundry moulds Expired FR2070366A6 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR6941581A FR2070366A6 (en) 1969-12-02 1969-12-02 Foundry moulds
LU60071D LU60071A1 (en) 1968-12-27 1969-12-22
BE743581A BE743581A (en) 1968-12-27 1969-12-23 Improvements to molds and other precision foundry casting bodies and to the processes for obtaining these molds and the like
IL33596A IL33596A (en) 1968-12-27 1969-12-23 Refractory moulds for precision founding and their manufacture
SE17840/69A SE358102B (en) 1968-12-27 1969-12-23
CH1921869A CH525048A (en) 1968-12-27 1969-12-24 Casting body for precision foundry, in particular a mold or a core, and method of manufacturing this molding body
JP44105025A JPS4824612B1 (en) 1968-12-27 1969-12-27
US888315A US3692086A (en) 1968-12-27 1969-12-29 Method of making a precision casting layered mold
GB63118/69A GB1298085A (en) 1968-12-27 1969-12-29 Improvements in the production of foundry moulds
NL6919470A NL6919470A (en) 1968-12-27 1969-12-29
DE19691965446 DE1965446C (en) 1969-12-02 1969-12-30 Process for producing a multi-layer casting mold for femal casting with permanent models

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6941581A FR2070366A6 (en) 1969-12-02 1969-12-02 Foundry moulds

Publications (1)

Publication Number Publication Date
FR2070366A6 true FR2070366A6 (en) 1971-09-10

Family

ID=9043970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6941581A Expired FR2070366A6 (en) 1968-12-27 1969-12-02 Foundry moulds

Country Status (1)

Country Link
FR (1) FR2070366A6 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455013A1 (en) * 1979-04-25 1980-11-21 Electricite De France Fired refractory fireclay - comprising spherical particles of high refractoriness

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455013A1 (en) * 1979-04-25 1980-11-21 Electricite De France Fired refractory fireclay - comprising spherical particles of high refractoriness

Also Published As

Publication number Publication date
DE1965446A1 (en) 1971-06-16
DE1965446B2 (en) 1973-01-04

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