Closing Label Design for Smoking Pack Edge Smoothing
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Solution Overview
Problem
Existing packs of smoking articles with flexible wrappings, particularly those made using the flow-pack method, often exhibit inaccuracies and folds near the edges, resulting in an unsightly appearance that may lead to product rejection.
Innovation Solution
A pack of smoking articles with a closing label design where a second portion of the label is irremovably fixed to the wrapping's upper and lateral edges, covering the edges and ensuring a smooth finish, using a thicker closing label made of plastic with specific weakening lines for easy detachment, and a container with a hinged lid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a flexible wrapping is used to contain smoking articles, then the packaging is easy to manufacture and flexible, but inaccuracies and folds appear at the upper wall edges resulting in poor aesthetic appearance
Solution Approach 1:
The closing label is divided into two distinct portions: a first portion removably fixed to allow opening/closing of the extraction opening, and a second portion irremovably fixed to cover and smooth the edges. This segmentation allows each portion to serve its specific function while collectively resolving the aesthetic issue caused by flexible wrapping inaccuracies.
Solution Approach 2:
The second portion of the closing label acts as an intermediary element that covers the inaccurate edges of the upper wall. By positioning this smooth-finished portion over the edges, it mediates between the flexible wrapping material and the external appearance, hiding the manufacturing inaccuracies while maintaining the flexibility benefits.
2Manufacturing precision
If the closing label is made thicker to cover edge inaccuracies, then the aesthetic appearance is improved, but the material usage and device complexity increase
Solution Approach 1:
The closing label is designed with different thicknesses for different portions: the second portion that contacts and covers the edges is made thicker to provide the necessary smooth finish and hide inaccuracies, while the first portion that needs to be removably fixed is thinner to maintain ease of opening. This local differentiation of quality optimizes both aesthetic appearance and functionality without unnecessary overall complexity.
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Pack of smoking articles (1) comprising: a group of smoking articles (4); a flexible wrapping (2), which encloses the group of articles (4) and comprises an opening (5) for extracting the articles (4) from the wrapping (2); a container (6) containing the wrapping (2) and the group of articles (4); a closing label (3) comprising a first portion (30) removably fixed to the wrapping (2) in order to be able to open and close the opening (5) and to allow and prevent access to the group of smoking articles (4). The wrapping (2) has an upper wall (20) in which the opening (5) is obtained and a pair of opposite lateral sides (21) connected to the upper wall (20) at the respective edges (22). The closing label (3) comprises a second portion (31) irremovably fixed to the wrapping (2) at the upper wall (20) of the wrapping (2) and at the lateral sides (21) so as to cover said edges (22).