Re-closable Flap Attachment to Outer Lid Gap
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Solution Overview
Problem
The production of packaging for smoking articles that includes a re-closable flap requires significant investment in equipment and space, as separate production lines are needed for packs with and without a permanently attached flap, leading to a large footprint in manufacturing facilities.
Innovation Solution
A method and apparatus that attach a re-closable flap to the lid of a pre-assembled pack using a space created between the outer and inner packs, allowing the flap to move in unison with the lid, utilizing adhesives or heat to secure the flap to the lid, while maintaining the pack's appearance and allowing for efficient production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate production lines are used for packs with and without permanently attached flap, then both pack types can be produced, but equipment investment and factory space increase significantly
Solution Approach 1:
The invention creates a universal production line that can produce both pack types (with and without permanently attached flap) using the same equipment. The apparatus includes a receiving unit for pre-assembled packs, an attaching unit that can optionally attach the flap to the lid, and a conveyor unit, allowing a single production line to serve multiple product variants without requiring separate dedicated lines for each pack type.
Solution Approach 2:
The invention uses pre-assembled packs as the starting point, where the inner pack with the re-closable flap is already assembled before entering the production line. This preliminary assembly allows the production line to focus only on the optional flap attachment step to the outer pack lid, rather than assembling entire packs from scratch, thereby simplifying the equipment requirements and reducing factory space needs.
2Ease of operation
If the flap is permanently attached to the lid, then the pack closes automatically, but the production process becomes more complex requiring additional attachment steps
Solution Approach 1:
The flap attachment is performed as a preliminary action during the packaging process using an attaching unit that applies adhesive or heat to secure the flap to the lid. This preliminary attachment ensures the flap is properly secured before the pack is sealed and shipped, while the automation of this step during production maintains manufacturing efficiency without significantly increasing process complexity.
Solution Approach 2:
The invention replaces manual flap attachment operations with automated mechanisms including adhesive application systems and heat treatment devices. The attaching unit can apply adhesive materials or apply heat to secure the flap to the lid, substituting manual labor with automated mechanical and thermal processes, thereby maintaining ease of operation while managing production process complexity through automation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables the production of packs with a re-closable flap attached to the lid, reducing the need for multiple production lines and minimizing factory space, while maintaining the pack's appearance and ensuring efficient manufacturing.
Implementation Method 1
The re-closable flap is attached to the lid through or via the space or gap
Implementation Method 2
utilizing adhesives or heat to secure the flap to the lid
Data Source
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AI summary
The present invention provides a method of producing a pack of smoking articles, comprising: providing a pre-assembled pack of smoking articles comprising an inner pack having a flexible sheet in which a group of smoking articles is wrapped or enclosed and a re-closable flap movable between a closed position preventing access to the smoking articles and an open position for accessing the smoking articles, and an outer pack comprising a container which holds and substantially encompasses the inner pack, the outer pack having a lid in a closed position preventing access to the inner pack; creating a space or gap between the lid of the outer pack and the inner pack; and attaching the re-closable flap of the inner pack to the lid of the outer pack via and/or through the space or gap. The invention also provides an apparatus for producing a pack of smoking articles as per the above method. The apparatus comprises a receiving unit for receiving such a pre- assembled pack of smoking articles; and an attaching unit for creating a space or gap between the lid of the outer pack and the inner pack and for introducing attaching means into the space or gap for attaching the re-closable flap of the inner pack to the lid of the outer pack.