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 airInfo
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
- B22C9/123—Gas-hardening
-
- 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
- B22C1/162—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 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)
Abstract
In the process the moulded article e.g. foundry core, still in its mould is exposed to a stream of amine - enriched carbonic acid, and immediately afterwards to a stream of hot air.
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 (en) | 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 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326253A1 (en) * | 1975-10-02 | 1977-04-29 | Luber Werner | METHOD AND DEVICE FOR THE HARDENING OF FOUNDRY CORES |
FR2376696A1 (en) * | 1977-01-07 | 1978-08-04 | Stone Wallwork Ltd | Vaporiser for hardening organic binder in foundry sand mixt. - using liq. amine catalyst which is evaporated by vacuum in the core-box |
-
1974
- 1974-07-12 FR FR7424299A patent/FR2245433A1/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326253A1 (en) * | 1975-10-02 | 1977-04-29 | Luber Werner | METHOD AND DEVICE FOR THE HARDENING OF FOUNDRY CORES |
FR2376696A1 (en) * | 1977-01-07 | 1978-08-04 | Stone Wallwork Ltd | Vaporiser for hardening organic binder in foundry sand mixt. - using liq. amine catalyst which is evaporated by vacuum in the core-box |
Also Published As
Publication number | Publication date |
---|---|
FR2245433B1 (en) | 1978-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |