Container Film Sealing With NIR Shrink Heating and Auto Sensing

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Solution Overview

Problem

Existing lid securing devices are poorly suited for user interaction without extensive training, lack adaptability to containers of varying shapes and sizes, and require specific materials or adhesives for securement.

Innovation Solution

A film securing apparatus that automatically secures film over containers of varying sizes and shapes using near-infrared light emitting diodes (NIR LEDs) for heat shrinkage, with features like a support roller for film alignment and a container presence sensor to prevent film jamming.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automatic lid securing devices are designed for industrial use, then sealing efficiency is improved, but ease of operation deteriorates requiring extensive training

Engineering Contradiction:

Improvesealing efficiencyVSAvoiduser interaction difficulty

Core Design Contradiction:

ProductivityVSEase of operation

Solution Approach 1:

The sealing device automatically detects container presence via sensors and initiates the sealing process without user intervention. The system self-adjusts parameters and executes the sealing cycle, eliminating the need for extensive training while maintaining industrial-level efficiency.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

Manual operation controls are replaced with automated sensor-based detection and control systems. The device uses optical or capacitive sensors to detect container presence and automatic control circuits to manage the sealing process, replacing complex manual mechanical operations with intelligent automation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If lid securing devices are tailored to single size and shape, then manufacturing precision is improved, but adaptability deteriorates

Engineering Contradiction:

Improvesealing accuracyVSAvoidcontainer size and shape accommodation

Core Design Contradiction:

Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The sealing device incorporates adjustable sealing heads and flexible positioning mechanisms that can dynamically adapt to different container sizes and shapes. The system allows runtime adjustment of sealing parameters and physical configuration, enabling precise sealing across varied container types without sacrificing accuracy.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The device is designed with universal sealing capabilities that can accommodate multiple container types through programmable control and adjustable mechanical components. A single device performs multiple sealing functions for different container specifications, eliminating the need for dedicated single-purpose machines.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Productivity

If conventional heating elements are used, then sealing capability is achieved, but energy consumption increases and cycle time lengthens

Engineering Contradiction:

Improvesealing speedVSAvoidheating element energy consumption

Core Design Contradiction:

ProductivityVSUse of energy by moving object

Solution Approach 1:

Conventional thermal heating elements are replaced with infrared LED arrays that emit infrared radiation directly to the film material. This optical energy source heats the film more efficiently and rapidly than conventional thermal conduction or convection heating, reducing both energy consumption and cycle time.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The sealing process transitions from conventional thermal heating parameters to infrared radiation parameters. The infrared LEDs operate at specific wavelengths optimized for film heating, enabling faster energy transfer and reduced thermal mass requirements, thereby shortening the sealing cycle while lowering overall energy consumption.

Inventive Principle:

Principle #35Parameter changes

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

Enables quick and efficient sealing of containers with minimal user interaction, increased sealing efficiency, and adaptability to different container types, reducing film waste and maintenance issues.

Implementation Method 1

one or more energy-emitting element(s) may activate and cause the film to secure around the opening of the container, such as through heat shrinkage

Methodology Applied

Scientific EffectInfrared radiation: Infrared Radiation

Implementation Method 2

cause the film to secure around the opening of the container, such as through heat shrinkage—thereby forming a sealed lid

Methodology Applied

Scientific EffectHeat shrinkage: Thermal Contraction

Data Source

PatentUS12570420B2Systems and methods for sealing a container

Publication Date: 2026.03.10 YUM CONNECT LLC

AI summary

Systems, apparatuses, and methods to seal a container are provided. An apparatus for securing a film to a container includes a body portion to house film and a sealing portion. The sealing portion includes a sealing volume for receiving a portion of the container, at least one heating element positioned within the sealing volume, and a sensor configured to sense when the portion of the container is at least partially within the sealing volume. A controller is configured to receive a sensor input from a sensor indicating that the portion of the container is at least partially within the sealing volume, and activate the at least one heating element based on the sensor input.