GB818056A - Improvements in and relating to machines for making wax patterns for casting - Google Patents
Improvements in and relating to machines for making wax patterns for castingInfo
- Publication number
- GB818056A GB818056A GB16967/55A GB1696755A GB818056A GB 818056 A GB818056 A GB 818056A GB 16967/55 A GB16967/55 A GB 16967/55A GB 1696755 A GB1696755 A GB 1696755A GB 818056 A GB818056 A GB 818056A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wax
- passage
- mould
- nozzle
- container
- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/241—Moulding wax
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
818,056. Injection moulding wax patterns. METROPOLITAN-VICKERS ELECTRICAL CO. Ltd. Dec. 6, 1955 [June 13, 1955], No. 16967/55. Class 87(2). A machine for making a wax pattern comprises a container 1, 5 having a conduit 15 for connecting it to evacuating means (not shown), a passage 22 provided with valves means 23 for introducing wax into the container whilst maintaining vacuum within it, the container portion 5 being movable to the position 5<SP>1</SP> to provide access to a pressure member 11 carrying a mould 16, 17, the member 11 being movable to bring an ingate 20 of the mould into register with the passage 22 and to apply pressure to the die box. Pneumatic rams 6, 7 move the container portion 5, and a pneumatic ram 14 moves the pressure member 11. The valve means 23 comprises a slidable plate having a passage 24 adapted to be brought into line with the passage 22. An injection nozzle 25 is adapted to be received in a conical seating in the plate 23 and includes a ball valve 32 which closes automatically when the nozzle is removed. Wax is supplied under pressure to the nozzle 25 by a conduit 26 surrounded by an outer conduit 27 which supplies hot water to a cavity 28 in the nozzle to maintain the wax above setting temperature. Air is evacuated from the mould 16, 17 and container 5 either before or during injection of wax, the reduced air pressure holding the wax against the mould walls in spite of any shrinking of the wax. After injection, the ingate 20 may be connected to an air pressure source. The apparatus may be used in the casting of a turbine rotor. Specifications 603,072, 619,286 and 722,816 [Group XXII] are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1175414X | 1955-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB818056A true GB818056A (en) | 1959-08-12 |
Family
ID=10879832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB16967/55A Expired GB818056A (en) | 1955-06-13 | 1955-06-13 | Improvements in and relating to machines for making wax patterns for casting |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1175414A (en) |
GB (1) | GB818056A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109049453A (en) * | 2018-07-19 | 2018-12-21 | 芜湖青悠静谧环保科技有限公司 | A kind of Polymer Processing machinery shield |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1603844A (en) * | 1977-08-24 | 1981-12-02 | British Industrial Plastics | Injection moulding machines |
GB1603845A (en) * | 1977-08-24 | 1981-12-02 | British Industrial Plastics | Compression moulding machines |
-
1955
- 1955-06-13 GB GB16967/55A patent/GB818056A/en not_active Expired
-
1956
- 1956-06-08 FR FR1175414D patent/FR1175414A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109049453A (en) * | 2018-07-19 | 2018-12-21 | 芜湖青悠静谧环保科技有限公司 | A kind of Polymer Processing machinery shield |
Also Published As
Publication number | Publication date |
---|---|
FR1175414A (en) | 1959-03-26 |
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