Dual-Function Scraper for Powder Containers

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Solution Overview

Problem

Conventional cosmetic containers fail to efficiently convert pressed powder to loose powder, often resulting in uneven scraping, product contamination, and lack of access to remaining pressed powder, while also being bulky and difficult to carry.

Innovation Solution

A compact container with a dual-function scraper that can be engaged or disengaged to convert pressed powder to loose powder, providing full evacuation and access to both forms, while maintaining product integrity and aesthetics through airtight design and transparent smoothening surfaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a conventional pressed powder compact with a scraper is used, then loose powder can be generated, but the user cannot access the remaining pressed powder and the scraping is uneven

Engineering Contradiction:
Improveaccess to pressed powderVSAvoidscraping efficiency
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The scraper member is made movable relative to the base, allowing it to be positioned in different locations. This enables the user to first access the pressed powder directly when the scraper is retracted, and then use the scraper to generate loose powder when needed, resolving the contradiction between access and scraping efficiency

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The compact is divided into functional zones: an access area where pressed powder can be directly accessed, and a scraping area where the scraper operates. This segmentation allows both functions to coexist without interference

Inventive Principle:
Principle #1Segmentation

2Productivity

If the scraper is fixed in position to scrape pressed powder, then loose powder can be produced, but the scraper stops working after some usage due to unequal scraping

Engineering Contradiction:
Improveloose powder generationVSAvoidscraper operational life
Core Design Contradiction:
ProductivityVSDuration of action of stationary object

Solution Approach 1:

The scraper member can be moved to different positions on the base, allowing the user to work from the periphery inward in a systematic pattern. This dynamic positioning prevents the scraper from stalling by ensuring fresh pressed powder is always available at the scraping interface, extending operational life

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

By enabling the scraper to be repositioned, the system maintains continuous scraping action without interruption. The user can systematically work across the entire surface of the pressed powder, ensuring complete utilization and preventing the scraper from becoming ineffective

Inventive Principle:
Principle #20Continuity of useful action

3Ease of operation

If loose powder is carried in a conventional container, then it is available for use, but the container is bulky and difficult to carry

Engineering Contradiction:
ImproveportabilityVSAvoidcontainer size
Core Design Contradiction:
Ease of operationVSVolume of stationary object

Solution Approach 1:

The compact combines both pressed powder storage and loose powder generation in a single integrated device. The pressed powder serves dual purposes: it can be accessed directly or scraped to produce loose powder, eliminating the need for separate containers and reducing overall volume

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The pressed powder compact serves multiple functions: storage of pressed powder, direct application of pressed powder, and generation of loose powder. This multi-functionality consolidates what would traditionally require multiple separate products into one portable unit

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Productivity

If the scraper occupies the entire base area to maximize scraping, then loose powder production is efficient, but the pressed powder becomes exposed to contamination and moisture

Engineering Contradiction:
Improvescraping coverageVSAvoidproduct contamination
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The scraper is designed to occupy only the necessary portion of the base area required for effective scraping, rather than covering the entire surface. This localized approach maintains adequate coverage for productivity while leaving the remaining pressed powder protected from contamination and moisture

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS8235059B2Container for powder products and scraper therefor
Publication Date: 2012.08.07 ZEN DESIGN SOLUTIONS
  • US8235059B2 patent drawing
  • US8235059B2 patent drawing
  • US8235059B2 patent drawing

AI summary

The present invention generally relates to containers for powder products. The present invention described herein relates to a container capable of generating powder in loose form. The invention further relates to cosmetic containers for powder products that present pressed and loose powder products for usage as per the convenience of user. Further the invention also relates to a scraper for such a container.