GB190209243A - Improvement in the Manufacture of Playing Balls. - Google Patents
Improvement in the Manufacture of Playing Balls.Info
- Publication number
- GB190209243A GB190209243A GB190209243DA GB190209243A GB 190209243 A GB190209243 A GB 190209243A GB 190209243D A GB190209243D A GB 190209243DA GB 190209243 A GB190209243 A GB 190209243A
- Authority
- GB
- United Kingdom
- Prior art keywords
- balls
- core
- cold
- heated
- moulds
- 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
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
9243. Kempshall, E. Dec. 31, A.D. 1901, [date applied for under Patents Act, A.D. 1901]. Moulding balls.-A core 22, Fig. 3, preferably of highly-vulcanized soft rubber, is enclosed in hemispherical shells 20, 21 of gutta-percha &c., which are welded or otherwise secured to it in heated or cold moulds 23, 24. The core is made slightly large, and in some cases cement is applied to the edges of the shells &c. The descent of the upper mould first causes the material of the shell to flow outwards, as shown at C, and its further movement forces the material back, forming an internal swelling 25, Fig. 7. This swelling strengthens the weld or connection. When heated moulds are used, the ball is left therein until they are cold. The outer surface is pebbled, as shown, in the case of golf balls, but is left smooth for billiard &c. balls.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US190209243XA | 1901-12-31 | 1901-12-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190209243A true GB190209243A (en) | 1902-06-05 |
Family
ID=32470164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190209243D Expired GB190209243A (en) | 1901-12-31 | 1902-04-22 | Improvement in the Manufacture of Playing Balls. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190209243A (en) |
-
1902
- 1902-04-22 GB GB190209243D patent/GB190209243A/en not_active Expired
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