FR2245433A1 - Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air - Google Patents

Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air

Info

Publication number
FR2245433A1
FR2245433A1 FR7424299A FR7424299A FR2245433A1 FR 2245433 A1 FR2245433 A1 FR 2245433A1 FR 7424299 A FR7424299 A FR 7424299A FR 7424299 A FR7424299 A FR 7424299A FR 2245433 A1 FR2245433 A1 FR 2245433A1
Authority
FR
France
Prior art keywords
exposure
air
current
enriched gas
resin moulded
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.)
Granted
Application number
FR7424299A
Other languages
English (en)
French (fr)
Other versions
FR2245433B1 (OSRAM
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.)
LUBER WERNER CH
Original Assignee
LUBER WERNER CH
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 LUBER WERNER CH filed Critical LUBER WERNER CH
Priority to FR7424299A priority Critical patent/FR2245433A1/fr
Publication of FR2245433A1 publication Critical patent/FR2245433A1/fr
Application granted granted Critical
Publication of FR2245433B1 publication Critical patent/FR2245433B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/12Treating moulds or cores, e.g. drying, hardening
    • B22C9/123Gas-hardening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16Compositions 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
    • B22C1/162Compositions 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 use of a gaseous treating agent for hardening the binder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
FR7424299A 1974-07-12 1974-07-12 Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air Granted FR2245433A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7424299A FR2245433A1 (en) 1974-07-12 1974-07-12 Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7424299A FR2245433A1 (en) 1974-07-12 1974-07-12 Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air

Publications (2)

Publication Number Publication Date
FR2245433A1 true FR2245433A1 (en) 1975-04-25
FR2245433B1 FR2245433B1 (OSRAM) 1978-03-24

Family

ID=9141209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424299A Granted FR2245433A1 (en) 1974-07-12 1974-07-12 Hardening sand/resin moulded foundry cores - by exposure to an amine enriched gas and then a current of air

Country Status (1)

Country Link
FR (1) FR2245433A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326253A1 (fr) * 1975-10-02 1977-04-29 Luber Werner Procede et dispositif pour le durcissement des noyaux de fonderie
FR2376696A1 (fr) * 1977-01-07 1978-08-04 Stone Wallwork Ltd Perfectionnements a la production sous forme de vapeur ou de gaz d'un reactif ou d'un catalyseur pour un liant organique durcissable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326253A1 (fr) * 1975-10-02 1977-04-29 Luber Werner Procede et dispositif pour le durcissement des noyaux de fonderie
FR2376696A1 (fr) * 1977-01-07 1978-08-04 Stone Wallwork Ltd Perfectionnements a la production sous forme de vapeur ou de gaz d'un reactif ou d'un catalyseur pour un liant organique durcissable

Also Published As

Publication number Publication date
FR2245433B1 (OSRAM) 1978-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse