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can

A technology of cans and metal sheets, applied in the field of cans, can solve problems such as unbearable force and torque

Inactive Publication Date: 2011-11-30
沃尔特·博克 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These sealing elements are suitable for fastening spouts but cannot withstand the forces and torques caused by screw-on type seals

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0019] figure 1 The can has a cylindrical wall 1 closed at the top by a sheet metal lid 2 provided with a sealing element 3 . The sealing element 3 consists of a bottom part 4 and a screw cap 5 screwed into the bottom part 4 .

[0020] The bottom part 4 comprises a plate 6 on which is formed an annular cylindrical downward extension 7 constituting a retaining part. The plate 6 continues beyond the diameter of the retaining portion 7 as a flange, referred to herein as a second protrusion 8 . Below the second projection 8 there is arranged a first projection 9 which is likewise annular.

[0021] A safety cover is provided in the plate 6 , which can be torn off by means of a pull ring 11 . On the one hand, this provides an additional measure of safety against spilling or contaminating the contents before the can is opened for the first time, and on the other hand, it allows the user to determine whether the can is in original condition or has already been opened.

[0022] The...

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Abstract

The invention relates to a container or can, especially for use with beverages; with an essentially cylindrical wall (1), which is closed on its top and bottom by a sheet metal cover (2) each joined to the wall (1), and with a sealing element (3), which is inserted into an opening in the sheet metal cover (2) and permits resealable opening of the can, where the opening in the sheet metal cover (2) is surrounded by a first conical part (13) of the sheet metal cover (2) tapering towards the interior of the can and extending between a circular folding edge (17) and the circular rim (20) of the opening, and where the sealing element (3) is provided with an essentially cylindrical holding section (7), which is inserted into the opening of the sheet metal cover (2) and has a peripheral groove (21), which receives the first conical part (13) of the sheet metal cover (2) and is bounded in the direction away from the can by a second projection (8) against which the folding edge (17) rests. A simple design and economical manufacture can be achieved by providing that a screw cap (5) of the sealing element (3) rests against the second projection (8) in the closed state.

Description

technical field [0001] The present invention relates to a container or can, in particular for beverages, having a substantially cylindrical wall closed at its top and bottom by a foil and a sealing element which is inserted into the opening of the foil lid and provides the can with a resealable opening, Wherein the opening in the sheet metal lid is surrounded by a first tapered portion of the sheet metal lid that tapers toward the inside of the can and extends between the circular flange and the circular edge of the opening, and the sealing element is provided with a substantially cylindrical retaining The retaining portion is inserted into the opening of the foil lid and has a peripheral groove that receives the first tapered portion of the foil lid and is constrained in a direction away from the can by a second protrusion against which the flange abuts. Background technique [0002] State-of-the-art beverage cans have sealing elements in the form of tear openings made by t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D47/12B65D47/10B65D51/20
CPCB65D47/122B65D17/506B65D2517/5045B65D51/20B65D47/103
Inventor 沃尔特·博克格哈德·施罗尔
Owner 沃尔特·博克
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