Title:
金属製素材に複合構造の縁部カラーを成形する方法および成形装置
Document Type and Number:
Japanese Patent JP2009534195
Kind Code:
A
Abstract:
A process and apparatus to make an edge or a collar featuring a complex structure on extruded, deep-drawn and deep-drawn/wire-drawn metal rough pieces with which bottles for the beverage and food sector or for technical use are particularly obtained, suitable for the application of a closing cap and fit to use on a tapering machine. The process includes a starting operating stage to deform an upper end portion of a metal holder by turning it outwardly so as to obtain an edge or a collar with a basically circular section, one or more intermediate operating stages to deform the edge or collar by squeezing in the radial direction and stretching towards the bottom of the metal holder, a final operating deformation stage to obtain an edge or collar with a complex ovoidal profile for the application of at least two caps of different types.
Inventors:
Roberto Flattini
Application Number:
JP2009506925A
Publication Date:
September 24, 2009
Filing Date:
January 23, 2007
Export Citation:
Assignee:
Flatini Societa Pell Athoni Costurtzioni Mechanic
International Classes:
B21D51/38; B21D19/12; B21D51/26; B65D1/00
Domestic Patent References:
| JPS566711U | 1981-01-21 | |||
| JPS58136423U | 1983-09-13 | |||
| JPS61206533A | 1986-09-12 | |||
| JPH01168424U | 1989-11-28 | |||
| JP2003251424A | 2003-09-09 | |||
| JP2005046855A | 2005-02-24 |
Foreign References:
| US2384810A | 1945-09-18 |
Attorney, Agent or Firm:
Kenji Sugimura
Kiyoshi Kuruma
Tatsuya Sawada
Kiyoshi Kuruma
Tatsuya Sawada