Biodegradable Seal with Irreversible Locking Mechanism
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Solution Overview
Problem
Existing seals are not environmentally friendly and do not provide adequate protection against subsequent alteration, leading to waste and potential environmental harm from discarded seals.
Innovation Solution
A seal design featuring a biodegradable material for the seal body and band, with a locking mechanism that requires irreversible destruction for access, and an adhesive layer for secure closure, incorporating a biodegradable material that degrades within 6-10 weeks in a composting facility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional seals made of metal or plastic are used, then the seal provides durable protection against alteration, but it causes environmental harm and waste when discarded
Solution Approach 1:
The patent changes the material parameter from conventional metal or plastic to biodegradable materials such as cardboard, paper, or biodegradable plastics. This allows the seal to maintain its protective function during use while automatically degrading after disposal, eliminating environmental harm without sacrificing reliability during the sealing period
Solution Approach 2:
The patent employs a disposable seal design made of biodegradable materials that serves its protective function temporarily and then degrades naturally. The seal body and sealing band are designed as single-use components that provide reliable protection during the sealing period and then decompose harmlessly, combining temporary reliability with long-term environmental sustainability
2Reliability
If the seal body consists of two hinged parts that can be folded together, then the seal can be permanently sealed to the sealing strip, but the complexity of the sealing process increases
Solution Approach 1:
The seal body is divided into two hinged parts that can be folded together around the sealing strip. This segmentation allows the seal to be applied in a straightforward folding motion, creating a permanent seal without requiring complex assembly procedures. The two parts are coated with adhesive layers that bond when folded, providing reliable permanent sealing through a simple folding action
Solution Approach 2:
The patent combines the sealing function and the permanent bonding function into a single folding action. The adhesive layers on both parts are activated simultaneously when the two hinged parts are folded together, merging the sealing and bonding operations into one simple step that achieves permanent sealing without increasing process complexity
3Object-affected harmful factors
If the sealing strip is made of biodegradable material, then the environmental impact is reduced, but the durability and weather resistance may be compromised
Solution Approach 1:
The patent employs composite material structures where biodegradable materials like cardboard or paper are combined with protective coatings or laminates. This creates a composite that maintains weather resistance and durability during the sealing period while retaining the ability to biodegrade after use, thus reducing environmental impact without sacrificing strength
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
The seal provides enhanced protection against alteration and minimizes environmental impact by ensuring the seal degrades naturally, reducing waste and environmental harm.
Implementation Method 1
The seal body can be permanently sealed, at least with each other and with two spaced-apart sections of the seal band, to bring the unit into operating condition. At least one of the seal sheath halves is provided with an adhesive layer for creating the seal
Implementation Method 2
The seal provides enhanced protection against alteration and minimizes environmental impact by ensuring the seal degrades naturally, reducing waste and environmental harm. A biodegradable material that degrades within 6-10 weeks in a composting facility
Data Source
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AI summary
The invention relates to a seal (01) having a seal body and a seal strip (03), the seal body comprising a seal jacket (06) with two seal jacket halves (61, 62) moveably connected to one another along a connection tab (60) in a starting state, and comprising a seal core (05). The seal jacket halves (61, 62) can be sealingly connected to one another in an unreleasable manner for transfer to an operating state. At least one of the seal jacket halves (61, 62) is provided with an adhesive layer, which is provided for producing the sealing.