Elastic Wrap Mattress Assembly to Replace Adhesive Layer Bonding
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Solution Overview
Problem
Current multilayered mattress assembly manufacturing processes rely heavily on adhesives to maintain layer alignment, which are costly, labor-intensive, and can lead to inconsistent application and material waste, as well as complications in recycling.
Innovation Solution
The use of an elongated elastic wrap that compressively loops about multiple layers of the mattress assembly, maintaining their fixed relationship without the need for adhesives, and can be self-adherent or mechanically secured.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If adhesives are used to maintain layer alignment in multilayered mattress assemblies, then layer fixation is achieved, but manufacturing cost increases and labor intensity increases
Solution Approach 1:
The patent removes adhesives from the mattress assembly system entirely, replacing them with elastic wraps that mechanically secure layers together. This extraction eliminates the need for adhesive application equipment, specialized training, and complex quality control while maintaining layer fixation through elastic compression and mechanical restraint.
Solution Approach 2:
The patent replaces the chemical bonding mechanism (adhesives) with a mechanical restraint system (elastic wraps). The wraps exert compressive force and physical constraint on the layers, achieving fixation through mechanical means rather than chemical adhesion, thereby simplifying manufacturing and reducing costs.
2Stability of the object's composition
If adhesives are manually applied to secure mattress layers, then layer alignment is maintained, but application consistency deteriorates and material waste increases
Solution Approach 1:
The elastic wraps are designed to be self-applied and self-adjusting. They automatically conform to the mattress layers and exert uniform compressive force without requiring manual positioning or adjustment. The elastic properties ensure consistent tension distribution across all wrapped areas, eliminating variability in application quality.
Solution Approach 2:
The patent changes the fixation mechanism from chemical (adhesive properties varying with application conditions) to physical (elastic wrap tension). The elastic wraps maintain consistent mechanical properties regardless of environmental conditions, ensuring uniform layer alignment and eliminating the precision issues associated with manual adhesive application.
3Strength
If adhesives are used in mattress assembly, then layer bonding is achieved, but recycling complexity increases and material quality deteriorates
Solution Approach 1:
The patent uses separate, removable elastic wraps instead of permanent adhesive bonding. This segmentation allows the wraps to be easily removed and discarded during recycling without affecting the underlying mattress layers. The layers themselves remain unbonded and can be separated and recycled independently, maintaining material quality and simplifying the recycling process.
Solution Approach 2:
The elastic wraps are designed as temporary, disposable components that are discarded during recycling rather than permanently attached to the mattress layers. This approach allows full recovery and recycling of the mattress materials without the contamination and degradation caused by adhesive removal, thereby maintaining material quality and simplifying recycling operations.
4Productivity
If specialized adhesive equipment is used for automated application, then application speed increases, but device complexity and expense increase
Solution Approach 1:
The patent replaces expensive, complex adhesive application equipment with simple, inexpensive elastic wraps that are applied manually or with basic machinery. The wraps are low-cost consumables that eliminate the need for investment in specialized adhesive dispensing equipment, heating systems, and associated control mechanisms, thereby reducing device complexity and expense while maintaining productivity.
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 reduces manufacturing costs and complexity, eliminates adhesive-related issues such as inconsistent application and waste, and simplifies the recycling process by avoiding adhesive removal.
Implementation Method 1
one or more elongated elastic wraps compressively looped about the at least two or more layers in the stacked arrangement to maintain the at least two or more layers in a fixed relationship to one another
Data Source
AI summary
Multilayered mattress assemblies include at least one elongated elastic wrap compressively looped about at least two layers of the mattress assembly to maintain the at least two layers in a fixed relationship relative to one another.