GB1209382A - Making foundry cores - Google Patents
Making foundry coresInfo
- Publication number
- GB1209382A GB1209382A GB1286768A GB1286768A GB1209382A GB 1209382 A GB1209382 A GB 1209382A GB 1286768 A GB1286768 A GB 1286768A GB 1286768 A GB1286768 A GB 1286768A GB 1209382 A GB1209382 A GB 1209382A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- groove
- insert
- march
- tube
- 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
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/106—Vented or reinforced cores
Abstract
1,209,382. Making cores. BRITISH CAST IRON RESEARCH ASSOCIATION. 18 March, 1969 [16 March, 1968], No. 12867/68. Heading B3F. In order to form a venting passage in a sand core, part of the core, with a groove 14, is formed, e.g. in a core box by a hot or coldblowing process, and then a tube or channel member or a bar 15 which leaves a passage between itself and the bottom of the groove is placed in the groove and the remainder of the core is then formed on the groove face. For forming the core-half 13, the core-box half 10 is closed by a plate (11) bearing a rib (12) to produce the groove 14 which need not be straight. The tube or channel insert has small openings along its length and like the bar insert 15 may be of plastics material, to be destroyed by the heat of the cast metal. If the shapes of the core and insert permit the removal of the latter after casting, it may be of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1286768A GB1209382A (en) | 1968-03-16 | 1968-03-16 | Making foundry cores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1286768A GB1209382A (en) | 1968-03-16 | 1968-03-16 | Making foundry cores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1209382A true GB1209382A (en) | 1970-10-21 |
Family
ID=10012602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1286768A Expired GB1209382A (en) | 1968-03-16 | 1968-03-16 | Making foundry cores |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1209382A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390385A (en) | 1980-05-23 | 1983-06-28 | W. R. Grace & Co., Cryovac Div. | Heat sealable, multi-ply polypropylene film |
| EP0225040A3 (en) * | 1985-11-27 | 1988-06-01 | General Motors Corporation | Countergravity casting mould and core assembly |
| EP1134048A1 (en) * | 2000-03-17 | 2001-09-19 | Olsberg Hermann Everken GmbH | Method for producing hollow castings and core box |
| CN108188351A (en) * | 2018-03-14 | 2018-06-22 | 苏州同谊联擎动力科技有限公司 | A kind of sand core for having specific exhaust structure and preparation method thereof |
| WO2020084499A1 (en) * | 2018-10-23 | 2020-04-30 | Hitec S.R.L. | Core for castings |
| US20210146583A1 (en) * | 2019-11-19 | 2021-05-20 | Mh Technologies Inc. | Core for hollow product manufacture including multilayer filling material and method of manufacturing hollow product using the core |
-
1968
- 1968-03-16 GB GB1286768A patent/GB1209382A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4390385A (en) | 1980-05-23 | 1983-06-28 | W. R. Grace & Co., Cryovac Div. | Heat sealable, multi-ply polypropylene film |
| EP0225040A3 (en) * | 1985-11-27 | 1988-06-01 | General Motors Corporation | Countergravity casting mould and core assembly |
| EP1134048A1 (en) * | 2000-03-17 | 2001-09-19 | Olsberg Hermann Everken GmbH | Method for producing hollow castings and core box |
| CN108188351A (en) * | 2018-03-14 | 2018-06-22 | 苏州同谊联擎动力科技有限公司 | A kind of sand core for having specific exhaust structure and preparation method thereof |
| WO2020084499A1 (en) * | 2018-10-23 | 2020-04-30 | Hitec S.R.L. | Core for castings |
| US11919068B2 (en) | 2018-10-23 | 2024-03-05 | Hitec S.R.L. | Core for castings |
| US20210146583A1 (en) * | 2019-11-19 | 2021-05-20 | Mh Technologies Inc. | Core for hollow product manufacture including multilayer filling material and method of manufacturing hollow product using the core |
| US11628492B2 (en) * | 2019-11-19 | 2023-04-18 | Mh Technologies Inc. | Core for hollow product manufacture including multilayer filling material and method of manufacturing hollow product using the core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |