Tri-Functional Nonwoven Hand Pad for Multi-Level Cleaning and Scouring
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Solution Overview
Problem
Existing hand pads typically offer only dual functionality and are not durable or versatile enough to handle multiple cleaning and scouring operations efficiently, lacking a non-scouring surface for wiping or absorbing liquids.
Innovation Solution
A hand pad with three distinct functional surfaces, including a non-scratch surface for light duty scrubbing, a uniformly coated abrasive surface for all-purpose scouring, and a semi-densified nonwoven surface with discrete abrasive features for aggressive scouring, all integrated into a single, laminated nonwoven substrate for ease of use and manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a hand pad has only dual functionality with sponge and nonwoven materials on the same face, then the structure is simple, but the versatility is limited and cannot provide three distinct cleaning functions
Solution Approach 1:
The pad is divided into three distinct functional regions on a single face: a sponge region for absorbing liquids and light cleaning, a nonwoven region for medium-duty scouring, and a laminated nonwoven region for heavy-duty scouring. This segmentation allows each region to perform its specific cleaning function independently while maintaining an integrated pad structure.
Solution Approach 2:
The hand pad is designed to provide three different cleaning functions (absorbing/wiping, light scouring, and heavy scouring) within a single pad, eliminating the need for multiple separate pads. This multi-functionality is achieved by incorporating three distinct functional regions with different material properties on one face of the pad.
2Adaptability or versatility
If multiple cleaning functions are provided on the same face, then versatility improves, but the user cannot easily switch between different cleaning actions
Solution Approach 1:
Different regions of the pad face are assigned different material properties and cleaning functions: the sponge region for absorbing liquids, the nonwoven region for medium scouring, and the laminated nonwoven region for heavy scouring. This local differentiation allows the user to easily select the appropriate function by simply moving to the corresponding region on the same face.
3Adaptability or versatility
If dual purpose hand pads are made with laminated nonwoven web and sponge, then scouring and wiping functions are provided, but durability and versatility for multiple cleaning operations are insufficient
Solution Approach 1:
The pad incorporates a composite structure with a sponge base layer providing durability and flexibility, a nonwoven middle layer for medium-duty scouring, and a laminated nonwoven top layer for heavy-duty scouring. This composite material construction enhances the overall durability of the pad while providing three distinct cleaning functions.
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 hand pad provides durable, versatile cleaning and scouring capabilities with three distinct functions on a single pad, reducing the need for multiple pads and minimizing the risk of misusing the wrong type of pad, while being easy to produce and use.
Implementation Method 1
the second functional region may define a scouring surface providing a first level of scouring, and the third functional region may define a scouring surface providing a second level of scouring
Implementation Method 2
Water-absorbent material is preferably provided with these surfaces to hold water and cleanser during use
Data Source
AI summary
A nonwoven hand pad includes a substrate having first and second opposed major surfaces wherein the first major surface includes a first functional region configured for a first cleaning operation, and the second major surface includes at least two functional regions configured for second and third cleaning operations. A method of cleaning using such a pad is also disclosed.