Stitch-Bonded Cleaning Wipe with Loop Zones and Fluid Barrier
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Solution Overview
Problem
Existing cleaning systems for surfaces lack an efficient combination of absorbency and abrasion resistance, particularly in forming a structured cleaning surface that can effectively attach to user-manipulated handles for domestic or industrial use.
Innovation Solution
A stitch-bonded wipe structure with a multi-surface operative cleaning face, incorporating a fluid-absorbing layer, a hydrophobic cover layer, and a preformed loop backing layer, featuring rows of raised microfiber loops and stitch-free zones for efficient cleaning and attachment via a hook and loop system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a uniform stitch-bonded surface is formed using traditional stitching techniques, then the surface coverage is improved, but the cleaning effectiveness and particle retention are insufficient
Solution Approach 1:
The patent applies local quality by creating distinct zones with different stitching patterns: raised loop zones for particle collection and stitch-free zones for scrubbing action. This localized differentiation of surface properties enables the single wipe to perform multiple cleaning functions effectively, resolving the contradiction between uniform coverage and cleaning effectiveness.
2Quantity of substance
If the absorbent material is made more permeable to allow fluid flow, then the fluid distribution is improved, but the fluid reaches the underside and loses effectiveness
Solution Approach 1:
The patent segments the wipe structure into distinct functional layers: an absorbent layer for fluid distribution, a barrier layer to prevent fluid penetration to the underside, and a cleaning surface with raised loops and stitch-free zones. This segmentation allows the absorbent layer to distribute fluid effectively while the barrier layer maintains cleaning fluid effectiveness by preventing unwanted fluid migration.
3Ease of manufacture
If a single-layer absorbent material is used, then the manufacturing simplicity is improved, but the combination of absorbency and abrasion resistance cannot be achieved
Solution Approach 1:
The patent employs composite material construction by combining multiple layers with different properties: an absorbent layer for fluid management, a hydrophobic barrier layer for fluid containment, and a stitch-bonded surface layer with varied textures for different cleaning mechanisms. This composite approach achieves both absorbency and abrasion resistance while maintaining manufacturing feasibility through integrated stitch-bonded construction.
4Strength
If continuous stitching is used across the entire surface, then the structural integrity is improved, but the abrasion-resistant scrubbing surface cannot be formed
Solution Approach 1:
The patent applies local quality by implementing discontinuous stitching that creates alternating raised loop zones and stitch-free zones. The stitch-bonded areas provide structural integrity and particle collection, while the stitch-free zones create raised surfaces that protrude through the cover layer to provide abrasion-resistant scrubbing capability. This localized variation in stitching density resolves the contradiction between structural integrity and abrasion resistance.
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 solution provides a highly efficient cleaning surface with enhanced particle collection and retention, along with an abrasion-resistant scrubbing surface, ensuring effective cleaning while preventing fluid from reaching the underside, thus maintaining the cleaning fluid's effectiveness.
Implementation Method 1
The loops of yarns across the attachment surface may attach to hooking elements across a surface of a user manipulated mop head or other structure to define a hook and loop attachment system.
Implementation Method 2
at least one fluid absorbing layer of absorptive cellular material
Implementation Method 3
a multiplicity of stitching yarns is passed repeatedly in stitching relation through one or more substrate layers in closely spaced rows so as to form a coordinated arrangement of surface stitches in covering relation to the substrate
Data Source
AI summary
A wipe structure of stitch bonded construction incorporating one or more substrate layers of an absorbent material with a barrier layer across a face side of the absorbent material and a preformed lightweight loop fabric disposed across the underside of the absorbent layers with loops projecting away from the absorbent layers.