Container Detaching Seal for Predictable Discharge Direction

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Solution Overview

Problem

The existing container designs, when subjected to increased pressure, result in the detachment of the annular seal portion, leading to unpredictable lateral expansion of the discharge channel, making it difficult to anticipate the direction of content discharge.

Innovation Solution

The container features a detaching seal portion that extends radially, accompanied by an outflow groove on the flanged face, guiding the contents in a cylindrical direction, and reinforced with non-detaching seal portions to maintain a controlled discharge channel width, ensuring predictable discharge direction and preventing unintended seal detachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the annular seal portion detaches due to pressure increase, then the contents can be discharged, but the discharge channel expands laterally making the discharge direction unpredictable

Engineering Contradiction:
Improvedischarge functionVSAvoiddischarge direction predictability
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The annular seal portion is segmented into a detachable seal portion and non-detachable seal portions. The detachable seal portion is designed to detach under pressure to enable discharge, while the non-detachable seal portions remain intact to maintain structural integrity and control the discharge direction, preventing lateral expansion of the discharge channel.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different portions of the annular seal have different properties: the detachable seal portion has lower bonding strength to allow detachment, while the non-detachable seal portions have higher bonding strength to maintain structural integrity. This local differentiation enables controlled discharge in a specific direction while preventing unpredictable lateral expansion.

Inventive Principle:
Principle #3Local quality

2Ease of operation

If the annular seal portion is designed to detach easily, then discharge is enabled, but unintended seal detachment may occur under varying pressure conditions

Engineering Contradiction:
Improvedischarge activationVSAvoidseal integrity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The seal is divided into detachable and non-detachable portions with different bonding strengths. The detachable portion activates discharge when pressure exceeds a threshold, while the non-detachable portions maintain sufficient bonding strength to prevent unintended detachment under normal pressure variations, ensuring reliable operation.

Inventive Principle:
Principle #1Segmentation

3Quantity of substance

If the discharge channel is allowed to expand, then more contents can be discharged, but the discharge direction becomes unpredictable and spreads over a larger area

Engineering Contradiction:
Improvedischarge volumeVSAvoiddischarge direction control
Core Design Contradiction:
Quantity of substanceVSMeasurement precision

Solution Approach 1:

The seal structure segments the discharge opening into a controlled channel defined by the non-detachable seal portions, allowing sufficient discharge volume through the controlled channel while preventing lateral expansion that would cause unpredictable discharge direction and widespread contamination.

Inventive Principle:
Principle #1Segmentation

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

This design allows for controlled and predictable discharge of contents, maintaining a narrow discharge channel width and preventing unintended seal detachment, even under varying pressure conditions, ensuring accurate direction and reduced residual content.

Implementation Method 1

detachment of a portion of the annular seal portion by increase of the inside pressure of the container body

Methodology Applied
Scientific EffectPressure increase: Pressure Increase

Implementation Method 2

the contents will be discharged without being expanded much laterally as being guided along the radial direction by a cylindrical outflow guiding space formed between the outflow groove and the face of the exfoliated lid member

Methodology Applied
Scientific EffectFluid flow guidance:

Data Source

PatentUS10106288B2Container
Publication Date: 2018.10.23 SUNTORY HLDG LTD
  • US10106288B2 patent drawing
  • US10106288B2 patent drawing
  • US10106288B2 patent drawing

AI summary

Provided is a container whose shape for discharging contents is hardly expandable laterally, the container including a container body holding contents and a lid member for closing an opening of the container body which are sealed with each other by an annular seal portion formed along a flanged face of the opening. At a specified position of the annular seal portion, there is provided a detaching seal portion which is to be detached by an increase of inside pressure inside the container body in association with deformation of the container body based on an external force. An outflow channel for discharging the contents therethrough extends radially outwards from the detaching seal portion. At a position of the container body corresponding to the outflow channel of the flanged face, there is formed an outflow groove which is sunk toward a bottom portion of the container body.