Method of manufacturing bottle can
US8091402B2 · kind B2 · utility
27Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2005 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S72/715
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In this bottle can manufacturing method, when a portion located at the skirt portion 7 is being molded, the portion extending in an opposite direction in which the male threaded portion 6 extends from a lower end 6a of the male threaded portion 6 over a range of at least approximately 180° along a circumferential direction of the skirt portion 7, the inner surfaces of molding pre-form portions of the first circumferential wall portion and the convexly curved surface portion from among the molding pre-form portions of the skirt portion 7 are pressed outward in the radial direction of the bottle can body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.