GB189905943A - An Improved Method of and Apparatus for Manufacturing Hollow Ware. - Google Patents
An Improved Method of and Apparatus for Manufacturing Hollow Ware.Info
- Publication number
- GB189905943A GB189905943A GB189905943DA GB189905943A GB 189905943 A GB189905943 A GB 189905943A GB 189905943D A GB189905943D A GB 189905943DA GB 189905943 A GB189905943 A GB 189905943A
- Authority
- GB
- United Kingdom
- Prior art keywords
- punch
- drawn
- die
- dies
- article
- 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
Abstract
5943. Stampacchia, L. March 18. Drawing.-Relates to apparatus for making deep-drawn articles from thin metallic plates or sheets. The metal plates are first cupped in the usual manner, and are then drawn through dies constructed as shown. The cupped plate is pressed into a conical die A by an annular punch Q, and is then drawn through by a punch P. A die B below the die A reduces the diameter still further, and gives a finish to the surface. Spring catches E strip the drawn article from the punch. The drawing operation may be repeated through a similar smaller set of dies. The punch P has a central passage for the escape of air. The die A is formed concave at a and convex at a<2>, the radii being suited to the metal. The dies are cut away where not required to be in contact with the article, in order to avoid friction.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB189905943T | 1899-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB189905943A true GB189905943A (en) | 1899-11-11 |
Family
ID=32417626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB189905943D Expired GB189905943A (en) | 1899-03-18 | 1899-03-18 | An Improved Method of and Apparatus for Manufacturing Hollow Ware. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB189905943A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796085A (en) * | 1972-10-24 | 1974-03-12 | H Fisher | Method for making sprockets and/or gears |
-
1899
- 1899-03-18 GB GB189905943D patent/GB189905943A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796085A (en) * | 1972-10-24 | 1974-03-12 | H Fisher | Method for making sprockets and/or gears |
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