Single Dose Package Applicator Protection and Seal

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Solution Overview

Problem

Existing single dose packages face challenges in providing a secure seal and preventing material from spilling or splashing when opened, and in securely holding and hygienically managing the applicator.

Innovation Solution

A single unit dose package design featuring a stand with a material chamber and a handle having a groove or frangible line, where a semi-cylinder extends to hold an applicator, and a partial cylinder rotates to cover and protect the applicator, allowing for secure sealing and easy access without splashing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a thin sheet or film covers and seals the material well, then the material can be contained, but the seal is not adequate to prevent splashing when opened

Engineering Contradiction:

Improveseal integrityVSAvoidopening operation

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent uses a flexible film seal that can be torn open along a predetermined score line. This film provides an adequate seal to contain the material while allowing easy opening through the tear mechanism, resolving the contradiction between seal integrity and ease of operation.

Inventive Principle:

Principle #30Flexible shells and thin films

Solution Approach 2:

The seal is divided into segments with a predetermined score line that allows controlled tearing. This segmentation enables the seal to maintain integrity during storage while facilitating easy opening without causing material splashing.

Inventive Principle:

Principle #1Segmentation

2Reliability

If the applicator is held within the package, then it is protected from contamination, but it is difficult to hold securely and hygienically

Engineering Contradiction:

Improveapplicator protectionVSAvoidapplicator handling

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

A transparent window in the package allows the applicator to be viewed and accessed without removing it from the sealed package. This maintains protection from contamination while enabling easy and hygienic handling through the transparent window.

Inventive Principle:

Principle #30Flexible shells and thin films

Solution Approach 2:

The transparent window acts as an intermediary, allowing interaction with the applicator without direct contact. This enables secure holding and hygienic manipulation while maintaining the protective seal.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of operation

If the material chamber is opened, then access to the material is achieved, but the material contents spill or splash

Engineering Contradiction:

Improvematerial accessVSAvoidmaterial splashing

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The flexible film seal with a predetermined score line allows the material chamber to be opened by tearing along the score line. This controlled opening mechanism provides easy access to the material while preventing splashing by maintaining seal integrity until the controlled tear point is reached.

Inventive Principle:

Principle #30Flexible shells and thin films

Data Source

PatentUS11019916B2Single dose package with applicator

Publication Date: 2021.06.01 CENTRIX INC(US)

AI summary

A single dose package having a material chamber frangibly separable from a handle and concentric partial or semi-cylinders holding an applicator. An outer partial cylinder placed over an inner semi-cylinder encloses and holds an applicator. Moving the handle relative to the material chamber separates the handle from the material chamber to access a material contained within the material chamber. Different sizes and shapes of plugs sealing the material chamber selectively adjust the volume of the material chamber.