GB1115087A - Manufacture of cast press tools - Google Patents
Manufacture of cast press toolsInfo
- Publication number
- GB1115087A GB1115087A GB5227865A GB5227865A GB1115087A GB 1115087 A GB1115087 A GB 1115087A GB 5227865 A GB5227865 A GB 5227865A GB 5227865 A GB5227865 A GB 5227865A GB 1115087 A GB1115087 A GB 1115087A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pattern
- inserts
- moulding sand
- mould
- casting
- 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
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/06—Casting in, on, or around objects which form part of the product for manufacturing or repairing tools
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
1,115,087. Composite articles. VAUXHALL MOTORS Ltd. 6 Oct., 1966 [9 Dec., 1965], No. 52278/65. Heading B3F. In producing a casting having specified areas required to be smooth, such as a cast press tool 18 having bolt holes or slots 2, sheet metal inserts 3 are embedded in a pattern made of a combustible material, e.g. expanded polystyrene, the pattern is invested in moulding sand and molten metal is poured to burn away the pattern and fill the mould cavity and solidify around the inserts 3. Tabs on the inserts assist in attaching them to the casting and holes may also be provided therein. In a modification, part or all of the pattern may be removed from the mould before pouring, the inserts 3 either being held in position by remaining portions of the pattern (Fig. 5, not shown), by wire sprigs (19), (20) (Fig. 8, not shown), or by fillets of the mould material formed around the inserts. Fig. 4 (not shown) shows a combustible pattern set in moulding sand (8) within a flask (9) and having a cope (11) on top provided with a splash basin (13), gate (12), a riser (15) and vents (16), (17). A runner (14) is provided in the top of the moulding sand (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5227865A GB1115087A (en) | 1965-12-09 | 1965-12-09 | Manufacture of cast press tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5227865A GB1115087A (en) | 1965-12-09 | 1965-12-09 | Manufacture of cast press tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1115087A true GB1115087A (en) | 1968-05-22 |
Family
ID=10463313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5227865A Expired GB1115087A (en) | 1965-12-09 | 1965-12-09 | Manufacture of cast press tools |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1115087A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2230981A (en) * | 1988-07-08 | 1990-11-07 | Honda Motor Co Ltd | Method of producing pattern for molding a pressing die |
| US5184496A (en) * | 1988-07-08 | 1993-02-09 | Honda Giken Kogyo Kabushiki Kaisha | Pressing die |
-
1965
- 1965-12-09 GB GB5227865A patent/GB1115087A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2230981A (en) * | 1988-07-08 | 1990-11-07 | Honda Motor Co Ltd | Method of producing pattern for molding a pressing die |
| US5072782A (en) * | 1988-07-08 | 1991-12-17 | Honda Giken Kogyo Kabushiki Kaisha | Method of producing pattern for molding castings |
| GB2230981B (en) * | 1988-07-08 | 1993-01-27 | Honda Motor Co Ltd | Method of producing pattern for molding castings |
| US5184496A (en) * | 1988-07-08 | 1993-02-09 | Honda Giken Kogyo Kabushiki Kaisha | Pressing die |
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