Container Seal With Integral Promotional Token
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Solution Overview
Problem
Current container sealing technologies face challenges in providing a clear, transparent seal and a non-absorbent surface for containers with volatile or liquid contents, while also needing to incorporate promotional materials without increasing costs or complexity, and existing solutions for including promotional items within closures are expensive and complicated.
Innovation Solution
A container seal with a releasable, integrated promotional token, where a sealant sheet is bound to a promotional token using a releasable adhesive, allowing the token to be peelably removable without disrupting the seal, and the sealant sheet remains bound to the container, enabling easy access to the contents while maintaining tamper evidence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a traditional opaque seal material is used, then the seal provides good tamper evidence and sealing performance, but the container contents cannot be viewed through the seal
Solution Approach 1:
The seal is divided into multiple functional layers: a transparent outer layer that allows viewing of container contents, and a separate tamper-evident layer or mechanism that provides security functionality. This segmentation allows each layer to optimize its specific function without compromising the other.
Solution Approach 2:
The seal utilizes composite material construction combining transparent materials (such as clear plastic or glass) with tamper-evident materials or mechanisms. This composite structure enables the seal to simultaneously provide transparency for viewing contents and reliability for tamper detection.
2Reliability
If a paper-based liner is used in the closure, then the closure provides good sealing performance, but the paper absorbs volatile materials or liquid contents
Solution Approach 1:
Different regions or layers of the closure system have different material properties tailored to their specific functions. The liner may use non-absorbent materials in contact with contents, while other layers provide sealing functionality. This local optimization allows the closure to achieve both sealing performance and resistance to absorption.
Solution Approach 2:
The closure liner employs composite material construction combining non-absorbent materials (such as plastic or metal foil) with sealing materials. This composite structure enables the liner to provide effective sealing while preventing absorption of volatile or liquid contents.
3Adaptability or versatility
If promotional materials are placed inside the container closure, then marketing promotion is enhanced, but the closure structure becomes more complex and expensive
Solution Approach 1:
The promotional material is merged with the closure structure itself, such as embedding it in the liner or attaching it to internal surfaces. This integration allows the promotional content to become part of the closure assembly without requiring separate compartments or complex mechanisms, thereby reducing overall complexity.
Solution Approach 2:
The closure structure is designed to serve multiple functions: providing sealing, containing promotional materials, and potentially providing structural support. By making the closure multi-functional, the need for separate components is reduced, simplifying the overall structure while enhancing versatility.
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 solution allows for the convenient inclusion of promotional materials within or beneath the container closure without contacting the contents, providing a clear seal, non-absorbent surface, and tamper evidence, while being cost-effective and easy to manufacture, thus addressing the needs of both packaging integrity and marketing promotion.
Implementation Method 1
a sealant sheet bound to a promotional token
Implementation Method 2
the sealing surface of the sealant sheet comprises a heat-sealable polymeric film
Implementation Method 3
the capped container is passed through a high frequency induction heating unit. During induction heating, radio frequency energy heats the aluminum foil to a temperature in excess of about 65° C.
Implementation Method 4
The resulting heat melts the wax in the layer between the pulp and aluminum foil
Implementation Method 5
The melted wax is absorbed by the pulp, causing the pulp to separate from the remainder of the material
Data Source
AI summary
A container seal having a releasable, integral promotional token attached thereto comprises a sealing sheet bound to a promotional token by a releasable adhesive. The sealant sheet has a tacking surface and a sealing surface. The promotional token has a tacking surface and an obverse surface. At least one surface of the promotional token has promotional indicia visible thereon. The tacking surface of the promotional token is bound to the tacking surface of the sealant sheet by a releasable adhesive, so that the promotional token is peelably removable from the sealant sheet when the sealant sheet is bound to the finish of a container. In a preferred embodiment, the obverse surface of the promotional token is bound to a compressible liner by a second layer of releasable adhesive, the liner being separable from the promotional token without separating the promotional token from the sealing sheet. Preferably, the promotional indicia are in the form of a redeemable coupon, a proof-of-purchase indicator, or a game token.