Cleaning Article Pocket Structure for Fluffing and Surface Conformability
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Solution Overview
Problem
Existing cleaning articles with fiber layers bonded to substrate sheets by continuous linear seals exhibit poor fluffing capabilities, recovery from compression, and conformability to uneven surfaces, leading to inadequate cleaning performance and user convenience.
Innovation Solution
A cleaning article with a flat tubular pocket and fiber layers on both sides, bonded by a continuous central linear seal and discontinuous side seals, allowing for random three-dimensional fluffing and improved attachment to a holder for enhanced cleaning performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the fiber layer is bonded to the substrate sheet by a plurality of continuous linear seals, then the bonding strength is improved, but the fluffing capability and recovery from compression deteriorate
Solution Approach 1:
The continuous linear seals are segmented into discontinuous side seals with spaced-apart bonding regions. This segmentation allows the fiber layers to fluff up between the bonding regions while maintaining attachment at the spaced-apart locations, thereby resolving the contradiction between bonding strength and fluffing capability.
Solution Approach 2:
Different regions of the fiber layers have different bonding characteristics: the central portions are bonded by continuous linear seals for strength, while the lateral regions have discontinuous side seals that allow fluffing. This local differentiation resolves the contradiction by providing both strong bonding and fluffing capability in appropriate locations.
2Stability of the object's composition
If the fiber layer is bonded to the substrate sheet by continuous linear seals, then the structural stability is improved, but the conformability to uneven surfaces deteriorates
Solution Approach 1:
The continuous linear seals are divided into discontinuous side seals with gaps between bonding regions. This segmentation provides flexibility in the lateral directions while maintaining structural stability through the spaced-apart bonding regions, enabling the fiber layers to conform to uneven surfaces.
Solution Approach 2:
The bonding structure transitions from a rigid continuous seal to a dynamic discontinuous seal system that can adapt its shape. The gaps in the discontinuous side seals allow the fiber layers to dynamically conform to uneven surfaces while the bonding regions maintain structural integrity.
3Device complexity
If the fiber layer is bonded only on one side of the substrate sheet, then the bonding complexity is reduced, but the cleaning convenience deteriorates
Solution Approach 1:
Fiber layers are bonded to both the upper and lower sides of the pocket-forming sheets, merging the functionality of single-sided bonding with the added benefit of dual-sided cleaning capability. This combination improves cleaning convenience while the bonding structure remains manageable.
4Strength
If strips are added to the fiber layer and substrate sheet, then the structural integrity is improved, but the fiber bundle contribution to cleaning deteriorates
Solution Approach 1:
The unnecessary strips are extracted/removed from the structure, leaving only the essential pocket-forming sheets and fiber layers. This extraction eliminates the interference with fiber bundle functionality while maintaining structural integrity through the pocket-forming sheet design.
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 cleaning article achieves high fluffing capabilities, recovery from compression, and improved conformability to uneven surfaces, resulting in superior cleaning performance and user convenience.
Implementation Method 1
The fiber layers closest of all the fiber layers to the pocket-forming sheets (hereinafter referred to as 'first fiber layers') are joined to the respective pocket-forming sheets by a continuous central linear seal continuously extending in the longitudinal direction in a laterally middle portion and a discontinuous side seal discontinuously extending in the longitudinal direction at a position laterally spaced away in at least one of the lateral directions from the central continuous linear seal
Data Source
AI summary
A cleaning article 10 having a flat tubular pocket 15 and attachable to a holder by inserting the holder into the pocket 15. The pocket 15 is formed by joining pocket-forming sheets 13 facing each other. At least one fiber layer formed of a fiber bundle, accordingly two fiber layers 11A and 11B are provided on each of the upper and lower sides of the pocket 15 of the pocket-forming sheets 13. Each of the first fiber layers 11A closest to the pocket-forming sheets 13 is joined to the respective pocket-forming sheet 13 by a continuous central linear seal 16A continuously extending in the longitudinal direction in a laterally middle portion and a discontinuous side seal 16B discontinuously extending in the longitudinal direction at a position laterally spaced away in at least one of the lateral directions from the central continuous linear seal 16A.