Method For Producing A Container Body

a container and body technology, applied in the field of container body production, can solve the problems of long-standing problems and errors in response, and achieve the effect of avoiding or avoiding

Inactive Publication Date: 2015-12-10
SCHULER PRESSEN GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]It can thus be considered to be the object of the instant invention to provide for a method, which is less extensive and which avoids or at least significantly reduces errors in response to the forming of the blank into the container body.

Problems solved by technology

Unevenness at this edge, which is formed by the punching burr, is thus unproblematic.
This problem has been known for a long time.
Errors, which in turn entail errors in response to the forming of the blank into the container body, can also occur in response to the sorting.
This leads to errors.

Method used

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  • Method For Producing A Container Body
  • Method For Producing A Container Body
  • Method For Producing A Container Body

Examples

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Embodiment Construction

[0022]The invention relates to a method for producing a container body comprising a hollow-cylindrical shape, for example, which, in the case of the preferred exemplary embodiment, is open at an axial end and which, at the other axial end, merges in a seam and joint-free manner into a container part, which closes the container body. As an alternative, a container body, which is open at both axial ends, can also be produced by means of impact extrusion. The container body is produced from a disc-shaped, cylindrical blank 10. In the case of the instant method, the blank has a circular contour and will thus be identified hereinbelow as round blank 10.

[0023]In a first method step, the round blanks 10 are punched out of a metal sheet 11, which, according to the example, consists of aluminum. The metal sheet 11 can be unwound from a roll as strip-shaped material and can be punched out with the help of a punching tool 12, as it is illustrated schematically in FIG. 2.

[0024]After the punchin...

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Abstract

The method forms a blank into the container body. A disc-shaped blank is punched out of a metal sheet. Following the punching process, the two edges of the blank are compressed. The disc-shaped blank thus obtains a symmetrical shape. With any of its two flat sides, the blank can be transported into a forming position, from which it is then formed into the container body. The edges obtain an accurately predetermined shape and can thus be arranged more easily in the desired forming position. Preferably, both edges are machines simultaneously in response to compressing the two edges of the blank.

Description

BACKGROUND OF THE INVENTION[0001]The invention relates to a method for producing a container body, which is produced from a blank, which is identified as round blank, in a seam and joint-free manner. For example, the container body encompasses a cylindrical container wall, which, at one end, merges axially into a container part, which closes the container body, such as a container bottom. The container body, which is to be produced, can thus be closed axially at one end by means of the container part, or can also encompass an opening at both ends. The container body is open at at least one axial end. Such container bodies can be produced by means of impact extrusion, for example, so as to produce tubes, cans or the like of metal, for example aluminum, or of a metal alloy. The shape of the container body can vary as a function of the design of the die and of the stamp.[0002]An extrusion press for producing such container bodies is known from DE 1 402 784 A, e.g.. Round blanks or plat...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B21D51/26B21D35/00B21D28/02
CPCB21D51/26B21D35/001B21D28/02B21D19/005B21D22/22
Inventor BRECHTLING, CARSTEN
Owner SCHULER PRESSEN GMBH & CO KG
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