Packaging system with an overcap

A technology for containers, center elements, applied in the field of composite lids for containers, capable of solving complex, inapplicable assembly and retention, single structure, etc.

Inactive Publication Date: 2010-09-01
BRASILATA S A EMBALAGENS METALICAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These solutions have a relatively complex and unitary structure and cannot be applied to a cap to be fitted and held on a base formed on the annular upper wall of the container

Method used

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  • Packaging system with an overcap
  • Packaging system with an overcap
  • Packaging system with an overcap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The composite lid of the invention is applicable to containers of the type comprising a tubular body 10 of sheet metal having a generally cylindrical side wall 11 carrying an annular upper wall also of sheet metal 20, having an opening A surrounded by a base 21 on which a cover 30 is seated and held.

[0030] The annular upper wall 20 can be formed in different ways, for example, as described in Brazilian patent application PI 0504528-2 (PCT / BR2005 / 000232) of the same applicant, by a deformation of the side wall 11 of the tubular body 10, or, as figure 2 with 8 As shown, obtained by suitably stamping from a separate sheet metal and by attaching the upper double-layer joint Rs peripherally to the upper edge of the side wall 11 of the tubular body 10 .

[0031] Independently of the structure applied to the annular upper wall 20 (either a single piece or a double piece joined to the side wall 11 of the tubular body 10), the structure is configured for in its inner periph...

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PUM

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Abstract

A composite lid for containers which comprise a tubular body (10) carrying an annular upper wall (20) made of sheet metal, in which is defined an opening (A) surrounded by a seat (21), which is configured to receive and retain a lid (30), which comprises a base portion (31) peripherally incorporating a retention portion (32) to be seated and retained on the seat (21), when the lid (30) is closed. The base portion (31) of the lid (30) comprises: a peripheral annular element (33) molded in plastic material, in a single piece with the retention portion (32); and a central element (34) in the form of a sheet metal plate and having an outer peripheral edge (34a) attached to the peripheral annular element (33). The peripheral annular element (33) may incorporate, internally and in a single piece, a central panel (33d), disposed on the central element (34), which may be incorporated to the lid during its injection or attached thereto afterwards.

Description

technical field [0001] The present invention relates to a cover formed of various materials, more particularly of sheet metal and plastic material, applied to a container of circular or polygonal cross-section, usually obtained from sheet metal or other material A tank is formed, the container comprising a tubular body carrying an annular upper wall forming an access to the interior of the container, and a base, on which a lid is detachably fitted and held, for closing the container. Background technique [0002] Lids for cans or other similar containers constructed in a single piece from stamped sheet metal or molded plastics material and having a base portion which covers the container when the lid is closed are known in the art opening and incorporates a retaining portion along the perimeter to sit and hold on to the base. [0003] The lid formed in stamped sheet metal is generally derived from a tamper evident seal portion which is bonded to the retaining portion and pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65D43/04
CPCB65D2543/0024B65D2543/00314B65D43/021B65D2543/00083B65D2543/00435B65D2543/00509B65D2543/0087B65D2543/0074
Inventor A·C·T·阿尔瓦雷斯A·R·塞内
Owner BRASILATA S A EMBALAGENS METALICAS
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