GB1497886A - Ingate removal from cylindrical castings - Google Patents
Ingate removal from cylindrical castingsInfo
- Publication number
- GB1497886A GB1497886A GB2546375A GB2546375A GB1497886A GB 1497886 A GB1497886 A GB 1497886A GB 2546375 A GB2546375 A GB 2546375A GB 2546375 A GB2546375 A GB 2546375A GB 1497886 A GB1497886 A GB 1497886A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ingate
- article
- cylindrical
- removal
- increased thickness
- 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
- B22D25/00—Special casting characterised by the nature of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
1497886 Making cylindrical castings; moulds HITACHI METALS Ltd 13 June 1975 25463/75 Headings B3A and B3F A process for manufacturing a cylindrical casting comprises casting the article with an ingate 3 contiguous with a portion 4 of increased thickness extending entirely around a cylindrical surface which is to be machined, ingate 3 having its minimum cross-sectional area where it joins portion 4, removing ingate 3 and machining the cylindrical surface so that portion 4 is removed. The article shown is a pipe joint which is threaded by a tap (7, Fig. 3, not shown) which threading removes portion 4. P-P is the breaking plane, and angle a is preferably between 30 and 120 degrees. In a second embodiment, Figs. 4, 5 (not shown) the ingate (11) and portion (10) of increased thickness are on the outside of the article.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2546375A GB1497886A (en) | 1975-06-13 | 1975-06-13 | Ingate removal from cylindrical castings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2546375A GB1497886A (en) | 1975-06-13 | 1975-06-13 | Ingate removal from cylindrical castings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1497886A true GB1497886A (en) | 1978-01-12 |
Family
ID=10228094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2546375A Expired GB1497886A (en) | 1975-06-13 | 1975-06-13 | Ingate removal from cylindrical castings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1497886A (en) |
-
1975
- 1975-06-13 GB GB2546375A patent/GB1497886A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |