Air Injection Apparatus for Buffer Packing Bags

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Solution Overview

Problem

Conventional air injection methods for buffer packing bags are inefficient, leading to low air injection rates and poor quality due to manual operation, difficulty in finding the air injection passage, and air leakage, which compromises the durability of the bag.

Innovation Solution

An air injection apparatus with a nozzle, clamp, and actuators that automatically inject air into the buffer packing bag, prevent leakage, and heat-bond the entrance opening to seal it, allowing for controlled and efficient air filling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual air injection method is used, then operation simplicity is maintained, but air injection rate is low and quality is poor

Engineering Contradiction:

Improveair injection rateVSAvoidapparatus structure

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The apparatus automatically performs air injection without requiring manual operation. The control unit autonomously manages the injection process, eliminating the need for users to manually hold the passage open while maintaining high injection rates through automated nozzle control and air supply management.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The manual mechanical operation of holding the passage open is replaced by an automated system using a control unit that coordinates the nozzle and air supply. This substitution of manual mechanical control with an automated control system resolves the contradiction between simplicity and productivity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If manual air injection is performed, then device complexity is low, but manufacturing precision of air filling is poor

Engineering Contradiction:

Improveair filling qualityVSAvoidapparatus structure

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The control unit monitors and controls the air injection process, ensuring precise air filling. By managing the timing and amount of air injection automatically, the system achieves consistent high-quality results without relying on user skill, thereby improving manufacturing precision through automated feedback control.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

Manual control of air injection is replaced by an automated control system that precisely manages the injection process. This substitution enables consistent, high-precision air filling by eliminating human variability in judgment and operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Difficulty of detecting and measuring

If vinyl sheets are not inflated, then ease of operation is maintained, but difficulty in detecting air injection passage is high

Engineering Contradiction:

Improveentrance opening locationVSAvoidoperation convenience

Core Design Contradiction:

Difficulty of detecting and measuringVSEase of operation

Solution Approach 1:

The apparatus performs preliminary positioning of the nozzle to automatically locate and align with the air injection passage entrance. This preliminary action eliminates the need for users to manually search for the opening, thereby reducing detection difficulty while maintaining operational simplicity through automated guidance.

Inventive Principle:

Principle #10Preliminary action

4Loss of substance

If air injection passage is left open, then ease of operation is maintained, but loss of substance occurs due to air leakage

Engineering Contradiction:

Improveair leakageVSAvoidoperation simplicity

Core Design Contradiction:

Loss of substanceVSEase of operation

Solution Approach 1:

The clamp is activated to close the air injection passage immediately after air injection is completed, preventing air leakage before it can occur. This preliminary anti-action against potential air loss eliminates substance loss while maintaining operational simplicity through automated timing control.

Inventive Principle:

Principle #9Preliminary anti-action

Solution Approach 2:

Manual closing of the passage is replaced by an automated clamp controlled by the control unit. This substitution ensures the passage is reliably closed at the appropriate moment without requiring additional manual operations, thereby preventing air leakage while maintaining ease of use.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 apparatus enables convenient and controlled air injection, preventing leakage and enhancing the durability of the buffer packing bag by ensuring proper air filling and sealing, even for non-experts.

Implementation Method 1

a heater adapted to pressurize and heat-bond the entrance opening of the air injection passage

Methodology Applied

Scientific EffectHeat-bonding: Heating

Data Source

PatentUS8375681B2Air injection apparatus for buffer packing bag and air injection method using the same

Publication Date: 2013.02.19 INDIS AIR CORP

AI summary

An air injection apparatus configured to inject air into a buffer packing bag.