Puff-Embedded Cosmetic Powder Container Airtight Sealing Mechanism

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Solution Overview

Problem

Conventional cosmetic powder containers face issues with airtightness, leading to powder leakage and spoilage, especially when using a puff, and fail to prevent mass application of powder to makeup tools.

Innovation Solution

A puff-embedded cosmetic powder container design featuring a shoulder cap with a net and a sealing wing, coupled airtightly to the main body, and an annular packing that seals the powder discharge hole when the upper cap is fastened, ensuring airtightness and preventing moisture evaporation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a net is provided in the shoulder cap to prevent mass powder application, then powder application control is improved, but powder leakage through the net occurs causing loss and contamination

Engineering Contradiction:
Improvepowder application controlVSAvoidpowder leakage
Core Design Contradiction:
Ease of operationVSLoss of substance

Solution Approach 1:

An annular packing is introduced as an intermediary sealing element between the puff receiving cap and the shoulder cap. This packing material fills the gap and prevents powder from leaking through the net while still allowing the net to function for controlling powder application. The packing acts as a mediator that resolves the conflict between net functionality and leakage prevention.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the shoulder cap is opened to allow puff insertion, then ease of use is improved, but airtightness is compromised causing powder spoilage

Engineering Contradiction:
Improvepuff insertion accessibilityVSAvoidairtightness
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The annular packing is pre-installed on the puff receiving cap before insertion into the shoulder cap. This preliminary placement ensures that when the puff receiving cap is inserted, the sealing action is immediately established without requiring additional sealing steps or compromising airtightness for puff access.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The annular packing is made of elastic material that can deform to accommodate the insertion of the puff receiving cap while maintaining a tight seal. This flexible sealing element allows the cap to be opened for puff insertion yet maintains airtightness when closed, preventing powder spoilage.

Inventive Principle:
Principle #30Flexible shells and thin films

3Adaptability or versatility

If a puff receiving cap is added to the shoulder cap, then functionality is improved, but airtightness sealing becomes difficult to ensure

Engineering Contradiction:
Improvepuff receiving functionalityVSAvoidairtightness sealing
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The annular packing serves as an intermediary sealing element between the puff receiving cap and the shoulder cap opening. This packing material fills the gap created by the puff receiving cap insertion and maintains airtightness, resolving the conflict between added functionality and sealing reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Ease of operation

If the net is made open for powder discharge, then powder application is enabled, but powder evaporation and spoilage occur

Engineering Contradiction:
Improvepowder discharge capabilityVSAvoidmoisture retention
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The annular packing acts as a mediator that seals the gap between the puff receiving cap and the shoulder cap, creating a protective barrier that prevents moisture evaporation from the powder while still allowing the net to function for powder discharge during application.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 prevents powder leakage and spoilage by ensuring airtight sealing, allowing for hygienic and prolonged use of cosmetic powder while preventing mass application to makeup tools.

Implementation Method 1

a sealing wing which is elastically and airtightly coupled to the sealing step

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

an annular packing provided on a lower portion of the bottom portion to block the powder discharge hole

Methodology Applied
Scientific EffectPhysical barrier sealing: Physical Containment

Implementation Method 3

a hinge unit to open or close the puff receiving cap relative to the shoulder cap

Methodology Applied
Scientific EffectHinge mechanism: Hinge

Data Source

PatentUS10334931B2Puff-embedded cosmetic powder container
Publication Date: 2019.07.02 CTK CO LTD
  • US10334931B2 patent drawing
  • US10334931B2 patent drawing
  • US10334931B2 patent drawing

AI summary

Disclosed herein is a puff-embedded cosmetic powder container including: a main body, a shoulder cap, a puff receiving cap, and an upper cap. A sealing step is formed on an inner circumference in a space of the main body, and a sealing wing is formed on an outer circumference of a sidewall of the shoulder cap to correspond to the sealing step, so that the sealing wing is elastically and airtightly coupled to the sealing step, and a rotary portion included in a hinge unit of the puff receiving cap has a movable space in which an end of a pin is movable up and down, so that, when the upper cap is closed, the puff receiving cap is pressed down via the movable space, thus sealing a powder discharge hole of the shoulder cap.