DE2324312A1 - Verfahren zur herstellung von giessformen oder teilen davon aus gips-formmasse - Google Patents
Verfahren zur herstellung von giessformen oder teilen davon aus gips-formmasseInfo
- Publication number
- DE2324312A1 DE2324312A1 DE19732324312 DE2324312A DE2324312A1 DE 2324312 A1 DE2324312 A1 DE 2324312A1 DE 19732324312 DE19732324312 DE 19732324312 DE 2324312 A DE2324312 A DE 2324312A DE 2324312 A1 DE2324312 A1 DE 2324312A1
- Authority
- DE
- Germany
- Prior art keywords
- molding compound
- plaster
- temperature
- paris
- microwave energy
- 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.)
- Pending
Links
- 238000000465 moulding Methods 0.000 title claims description 45
- 238000005266 casting Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000011505 plaster Substances 0.000 title claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 41
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 22
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 22
- 239000011507 gypsum plaster Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000010440 gypsum Substances 0.000 claims description 13
- 229910052602 gypsum Inorganic materials 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 13
- 230000007547 defect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005058 metal casting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- MJUVRTYWUMPBTR-MRXNPFEDSA-N 1-(2,2-difluoro-1,3-benzodioxol-5-yl)-n-[1-[(2r)-2,3-dihydroxypropyl]-6-fluoro-2-(1-hydroxy-2-methylpropan-2-yl)indol-5-yl]cyclopropane-1-carboxamide Chemical compound FC=1C=C2N(C[C@@H](O)CO)C(C(C)(CO)C)=CC2=CC=1NC(=O)C1(C=2C=C3OC(F)(F)OC3=CC=2)CC1 MJUVRTYWUMPBTR-MRXNPFEDSA-N 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25320472A | 1972-05-15 | 1972-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2324312A1 true DE2324312A1 (de) | 1973-11-29 |
Family
ID=22959312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732324312 Pending DE2324312A1 (de) | 1972-05-15 | 1973-05-14 | Verfahren zur herstellung von giessformen oder teilen davon aus gips-formmasse |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4949829A (enExample) |
| BE (1) | BE799506A (enExample) |
| DE (1) | DE2324312A1 (enExample) |
| FR (1) | FR2184709B1 (enExample) |
| GB (1) | GB1371015A (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980000248A1 (en) * | 1978-07-13 | 1980-02-21 | Tenax Maskin Ab | A method of preparing gypsum articles |
| DE2952945A1 (de) * | 1978-07-13 | 1980-12-18 | S Nordqvist | A method of preparing gypsum articles |
| WO1981002010A1 (en) * | 1980-01-09 | 1981-07-23 | Tenax Maskin Ab | Plaster products and a process for the production thereof |
| DE102004039270A1 (de) * | 2004-08-13 | 2006-02-23 | J. S. Staedtler Gmbh & Co. Kg | Formbare Masse sowie deren Verwendung |
| CN112846152A (zh) * | 2020-12-31 | 2021-05-28 | 象山信基机械厂 | 一种便于脱模的网板加工模具 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4443261A (en) * | 1980-02-22 | 1984-04-17 | Tenax Maskin Ab | Method of preparing gypsum articles |
| CN112971319B (zh) * | 2021-02-03 | 2023-05-05 | 南京盛亚竞杰文化发展有限公司 | 一种管状口红加工过程中用的口红加速定型模具 |
-
1973
- 1973-04-25 GB GB1970173A patent/GB1371015A/en not_active Expired
- 1973-05-11 FR FR7317075A patent/FR2184709B1/fr not_active Expired
- 1973-05-14 BE BE131087A patent/BE799506A/xx unknown
- 1973-05-14 DE DE19732324312 patent/DE2324312A1/de active Pending
- 1973-05-15 JP JP5321673A patent/JPS4949829A/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980000248A1 (en) * | 1978-07-13 | 1980-02-21 | Tenax Maskin Ab | A method of preparing gypsum articles |
| JPS55500522A (enExample) * | 1978-07-13 | 1980-08-14 | ||
| DE2952945A1 (de) * | 1978-07-13 | 1980-12-18 | S Nordqvist | A method of preparing gypsum articles |
| WO1981002010A1 (en) * | 1980-01-09 | 1981-07-23 | Tenax Maskin Ab | Plaster products and a process for the production thereof |
| DE102004039270A1 (de) * | 2004-08-13 | 2006-02-23 | J. S. Staedtler Gmbh & Co. Kg | Formbare Masse sowie deren Verwendung |
| CN112846152A (zh) * | 2020-12-31 | 2021-05-28 | 象山信基机械厂 | 一种便于脱模的网板加工模具 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE799506A (fr) | 1973-08-31 |
| JPS4949829A (enExample) | 1974-05-15 |
| FR2184709B1 (enExample) | 1976-05-28 |
| GB1371015A (en) | 1974-10-23 |
| FR2184709A1 (enExample) | 1973-12-28 |
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