GB1356026A - Casting methods - Google Patents
Casting methodsInfo
- Publication number
- GB1356026A GB1356026A GB1545971A GB1545971A GB1356026A GB 1356026 A GB1356026 A GB 1356026A GB 1545971 A GB1545971 A GB 1545971A GB 1545971 A GB1545971 A GB 1545971A GB 1356026 A GB1356026 A GB 1356026A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould block
- chamber
- mould
- casting
- block
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/20—Methods or devices for soldering, casting, moulding or melting
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
1356026 Casting processes J E RASMUSSEN 18 May 1971 15459/71 Heading B3F [Also in Division B5] In a casting process in which the mould block 24 is made by the lost wax process, the said mould block is mounted in a vacuum chamber 26 so that the mould cavity 36 is in communication with the atmosphere and the casting material is sucked into the cavity by evacuating the chamber 26. The mould block 24 is provided with a flange 28 which, on lowering of the block into the chamber 26 through an opening in the top thereof, abuts sealingly against the surface of the chamber about the said opening. The flange 28 may be cast integrally with the mould block or it may be constituted by a metal ring mounted on the mould block. The mould block is cast from a slurry of quartz and plaster of Paris.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1545971A GB1356026A (en) | 1971-05-18 | 1971-05-18 | Casting methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1545971A GB1356026A (en) | 1971-05-18 | 1971-05-18 | Casting methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1356026A true GB1356026A (en) | 1974-06-12 |
Family
ID=10059513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1545971A Expired GB1356026A (en) | 1971-05-18 | 1971-05-18 | Casting methods |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1356026A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994028821A1 (en) * | 1993-06-11 | 1994-12-22 | Paolo Palmia | A vacuum caster, in particular for use in the field of dentistry |
| CN102649153A (en) * | 2011-02-25 | 2012-08-29 | 加昌国际有限公司 | Mould vacuum valve device |
-
1971
- 1971-05-18 GB GB1545971A patent/GB1356026A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994028821A1 (en) * | 1993-06-11 | 1994-12-22 | Paolo Palmia | A vacuum caster, in particular for use in the field of dentistry |
| CN102649153A (en) * | 2011-02-25 | 2012-08-29 | 加昌国际有限公司 | Mould vacuum valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |