Stitch-Bonded Cleaning Pad with Multi-Filament Loop Attachment
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Solution Overview
Problem
Existing cleaning pads for floors and surfaces often lack optimal combinations of absorbency, scrubbing effectiveness, and attachment security, leading to inefficient cleaning and potential detachment during use.
Innovation Solution
A stitch-bonded cleaning pad with multiple layers of absorbent nonwoven material and a fluid-blocking polymer film, featuring a cleaning surface of raised yarn loops and an attachment surface with engagement loops for secure attachment to a mop head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cleaning pads use simple layered construction, then manufacturing is easier, but attachment security and cleaning effectiveness deteriorate
Solution Approach 1:
The patent combines multiple functions into the stitching yarns themselves: they provide structural bonding between layers, create the cleaning surface through loop formation, and enable attachment through engagement loops. This merging of functions achieves secure attachment and effective cleaning without requiring separate components, thus improving reliability while managing complexity.
Solution Approach 2:
The stitching yarns serve multiple purposes simultaneously: they bond the substrate layers together, form the cleaning surface with raised loops, and create engagement loops for attachment to the mop head. This multi-functionality resolves the contradiction by achieving secure attachment and effective cleaning through a single integrated structure rather than separate components.
2Quantity of substance
If cleaning pads use high absorbency materials, then fluid absorption improves, but scrubbing effectiveness may deteriorate
Solution Approach 1:
The patent creates different surface characteristics in different locations: the raised yarn loops provide scrubbing action through their texture and stiffness, while the interior fibrous layers provide fluid absorption. This local differentiation allows the pad to simultaneously achieve effective scrubbing at the surface and high absorbency in the interior without compromising either function.
Solution Approach 2:
The cleaning pad is segmented into distinct functional zones: an outer layer with raised stitching loops for scrubbing and an interior with absorbent fibrous material for fluid absorption. This segmentation allows each zone to optimize its specific function, resolving the contradiction between scrubbing effectiveness and fluid absorption capacity.
3Manufacturing precision
If stitching yarns are densely packed, then surface uniformity improves, but fluid penetration and absorbency may deteriorate
Solution Approach 1:
The patent creates different densities in different regions: the stitching yarns are densely packed at the surface to create uniform scrubbing loops, while the interior absorbent layers maintain higher porosity for fluid penetration. This local quality differentiation resolves the contradiction by allowing dense surface stitching for uniformity while preserving interior absorbency.
Solution Approach 2:
The pad structure is segmented into a surface layer with dense stitching for uniformity and an interior layer with looser construction for absorbency. This segmentation allows the dense stitching to provide surface uniformity without blocking fluid penetration, as the fluid can pass through the stitching structure into the absorbent interior layers.
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 pad achieves enhanced absorbency, effective scrubbing through varying yarn densities, and secure attachment, resulting in improved cleaning performance and ease of use.
Implementation Method 1
Fabric formation using so-called stitch bonding techniques is well known. In such processes, 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.
Implementation Method 2
Interior layers of fibrous material in combination with superabsorbent polymer additives serve to absorb and hold fluid from the surface being cleaned.
Implementation Method 3
Interior layers of fibrous material in combination with superabsorbent polymer additives serve to absorb and hold fluid from the surface being cleaned.
Implementation Method 4
an optional additional fluid blocking substrate layer of polymer film or other suitable material in juxtaposed relation to the absorbent nonwoven layers
Implementation Method 5
The stitches of yarns across the attachment surface define an engagement surface for attachment to cooperating hooking elements across a surface of a mop head to define a hook and loop attachment system.
Data Source
AI summary
A cleaning pad structure of stitch bonded construction incorporating one or more substrate layers of an absorbent nonwoven material with an optional additional fluid blocking substrate layer of polymer film or other suitable material in juxtaposed relation to the absorbent nonwoven layers. Stitching yarns are introduced in stitching relation through the substrate layers. One face of the pad defines a cleaning surface of raised yarn loops formed by the stitched yarns. The pad further includes an attachment surface facing away from the cleaning surface. The stitches of yarns across the attachment surface define an engagement surface for attachment to cooperating hooking elements across a surface of a mop head to define a hook and loop attachment system.