METHOD AND APPARATUS FOR MAKING A NECKED CONTAINER
A method and apparatus for making a necked container are disclosed wherein a sheet material is formed into a generally cylindrical tubular member and the adjacent longitudinally extending edges of the sheet are butt welded. The welded tubular member is progressively necked-in over a dome-shaped surf...
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Main Authors | , , |
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Format | Patent |
Language | English French |
Published |
04.04.1989
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Edition | 4 |
Subjects | |
Online Access | Get full text |
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Summary: | A method and apparatus for making a necked container are disclosed wherein a sheet material is formed into a generally cylindrical tubular member and the adjacent longitudinally extending edges of the sheet are butt welded. The welded tubular member is progressively necked-in over a dome-shaped surface of a single mandrel provided within the welded tubular member. The free end of the necked end portion of the tubular member is trimmed and curled to form a necked container body. |
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Bibliography: | Application Number: CA19850479650 |