Sealable wet tissue container

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Solution Overview

Problem

Conventional wet tissue containers cause twisting and moisture loss when pulling out the tissue roll due to the elastic claws' deformation, leading to accidental breakage and wringing of the roll.

Innovation Solution

A sealable wet tissue container design featuring a rotatable lid plate coupled to the base, which relieves twisting forces when pulling out the tissue roll, minimizing twist and moisture loss by allowing the lid plate to rotate relative to the base.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If elastic claws are used to hold and dispense wet tissues, then the opening can be covered to limit moisture loss, but the wet tissues tend to be twisted and squeezed when pulled out, resulting in wringing and accidental break of the roll

Engineering Contradiction:

Improvemoisture retentionVSAvoidtissue dispensing smoothness

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The lid plate is made rotatable relative to the base through a rotation mechanism ( groove and rib engagement), allowing it to dynamically adjust its position when tissue is pulled. This rotation absorbs the twisting force generated during tissue dispensing, preventing the tissue roll from being wrung or broken while maintaining the sealing function of the elastic claws.

Inventive Principle:

Principle #15Dynamics

2Productivity

If wet tissues are stored in a roll form and pulled continuously, then efficient dispensing is achieved, but the roll twists along the inner circumference and gets squeezed by elastic claws

Engineering Contradiction:

Improvetissue dispensing efficiencyVSAvoidroll integrity

Core Design Contradiction:

ProductivityVSStability of the object's composition

Solution Approach 1:

The rotatable lid plate acts as an intermediary element between the tissue roll and the fixed base structure. When tissue is pulled continuously, the lid plate rotates to accommodate the twisting motion, serving as a mediator that allows smooth dispensing while protecting the roll integrity from direct twisting forces.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Device complexity

If the lid is fixed to the base, then structural simplicity is maintained, but twisting force from pulling tissue cannot be relieved, causing moisture loss

Engineering Contradiction:

Improvecover structure simplicityVSAvoidmoisture retention

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

Inventive Principle:

Principle #15Dynamics

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 design effectively reduces the twisting of the wet tissue roll and prevents moisture loss, maintaining the integrity of the tissue roll during continuous use.

Implementation Method 1

The annular wall of the lid plate is provided with a groove and the hole wall of the hole of the base is provided with an annular rib slidably engaged with the groove

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS11737615B2Sealable wet tissue container

Publication Date: 2023.08.29 DONZEE ENTERPRISE LTD

AI summary

A wet tissue container includes a container body having an opening and a cover structure covering the opening of the container body. The cover structure has a base with a hole, and a lid plate having a plurality of petal members annularly arranged in a way that a mouth is formed among the petal members. The lid plate is coupled to the hole of the base in a way that the lid plate is rotatable relative to the base.