Liquid-Permeable Cleaning Sheet for Controlled Floor Wetting
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Solution Overview
Problem
Conventional cleaning sheets used with mop-like devices are ineffective in removing stains from floor surfaces when used dry and can cause slippage and damage to finishes when used with liquid, as they often leave liquid between the cleaning head and pad, leading to soaked cleaning heads and uneven liquid application.
Innovation Solution
A cleaning sheet with a liquid-permeable exterior sheet and a liquid absorbent sheet behind, designed to absorb liquid applied to the attachment surface, preventing it from remaining between the cleaning head and the sheet, and allowing controlled liquid application to the floor surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a liquid impermeable sheet is used on the back side of the cleaning pad to prevent liquid from passing through, then liquid retention is improved, but liquid accumulates between the cleaning head and cleaning pad causing slippage and soaked cleaning heads
Solution Approach 1:
The patent applies a liquid permeable sheet instead of a liquid impermeable sheet on the back side of the cleaning pad. This porous material allows liquid to pass through the cleaning pad freely, preventing liquid accumulation between the cleaning head and pad, thereby eliminating slippage problems while maintaining effective liquid retention at the cleaning surface.
2Productivity
If nozzles are provided in the cleaning head to apply water or cleaning liquid directly to the floor surface, then cleaning effectiveness is improved, but large amounts of liquid may deteriorate finishing compounds on wooden floors
Solution Approach 1:
The patent introduces the cleaning pad as an intermediary between the nozzles and the floor surface. The pad absorbs and distributes the liquid applied by the nozzles, controlling the amount of liquid that reaches the floor. This mediator function prevents excessive liquid from directly contacting and damaging finishing compounds on wooden floors while maintaining cleaning effectiveness.
3Quantity of substance
If the cleaning pad is designed with liquid permeable sheet on cleaning surface side and liquid absorbent layer behind, then liquid absorption is improved, but liquid remains between cleaning head and pad when back side is impermeable
Solution Approach 1:
The patent uses a liquid permeable sheet on the back side of the cleaning pad to allow liquid to pass through freely. This prevents liquid from accumulating between the cleaning head and pad, solving the reliability issue while the liquid absorbent layer continues to provide effective liquid absorption at the cleaning surface.
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
Prevents the cleaning head from becoming soaked with liquid, ensures controlled liquid application, and reduces slippage by absorbing excess liquid, effectively wiping the floor surface without damaging finishes.
Implementation Method 1
the liquid absorbent sheet is permitted to absorb liquid applied to the attachment surface side
Implementation Method 2
a liquid permeable exterior sheet on the cleaning surface side
Data Source
AI summary
Disclosed is a cleaning sheet to be attached to a cleaning head. The cleaning sheet has an attachment sheet dimensioned to cover a nozzle head provided in the cleaning head. Liquid squirted from the nozzle head can be received by the attachment sheet and come between the cleaning head and the cleaning sheet. Since the cleaning sheet has a liquid permeable attachment surface, the liquid having reached the attachment surface can be absorbed by a liquid absorbent sheet of the cleaning sheet and gradually applied to a floor surface to be cleaned.