Paper Roll Packaging Machine with Adhesive Flap Sealing

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Solution Overview

Problem

Existing packaging machines are designed for plastic film materials and cannot efficiently package paper rolls without substantial modifications.

Innovation Solution

A packaging machine configured for paper rolls using paper material, employing adhesivation means to apply adhesive on the packaging sheet's side flaps, with folding and gluing mechanisms to form secure packages without mechanical complications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If packaging machines use plastic film material, then heat sealing is effective, but paper material cannot be heat sealed

Engineering Contradiction:
Improvesealing capabilityVSAvoidmaterial compatibility
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The invention changes the sealing mechanism from thermal (heat-based) to mechanical (pressure-based). The pressing device applies mechanical pressure to bond paper flaps without heat, adapting the sealing process to suit paper material properties while maintaining effective sealing capability.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention replaces the thermal sealing system with a mechanical pressing system. Instead of using heat sealing elements, the device employs pressing devices that apply mechanical force to achieve bonding of paper flaps, substituting one physical mechanism for another appropriate to the material.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If packaging machines are modified to handle paper material, then material compatibility improves, but device complexity increases

Engineering Contradiction:
Improvematerial compatibilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The pressing devices are integrated into the existing folder structure, allowing the same mechanical component to perform both folding and pressing functions. This multi-functionality approach enables paper material handling without adding separate dedicated pressing mechanisms, thereby limiting the increase in device complexity.

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

Solution Approach 2:

The invention merges the pressing function with the existing folding mechanism. The folder components are designed to simultaneously fold and press the packaging flaps, combining multiple functions into unified structures rather than adding separate independent systems.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If adhesive is applied before folding, then bonding effectiveness improves, but process complexity increases

Engineering Contradiction:
Improvebonding strengthVSAvoidprocess complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The adhesive application means are positioned to apply adhesive to the flaps before they are folded and pressed. This preliminary action ensures the adhesive is in place and properly distributed before the bonding pressure is applied, improving bonding reliability without requiring complex coordinated control systems.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The adhesive acts as an intermediary substance that facilitates bonding between flaps. The adhesive application means deliver this intermediary material to the appropriate locations, enabling reliable bonding through a simple additive process rather than complex mechanical interlocking systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 secure packaging of paper rolls using paper material without altering existing machinery, ensuring efficient formation and sealing of packages using paper-based sheets.

Implementation Method 1

first adhesivation means (GN) suitable for applying an adhesive substance (G) on an external side (LD) of the packaging sheet (SH)

Methodology Applied
Scientific EffectAdhesive: Adhesive

Data Source

PatentUS12378022B2Packaging machine
Publication Date: 2025.08.05 PLUSLINE SRL
  • US12378022B2 patent drawing
  • US12378022B2 patent drawing
  • US12378022B2 patent drawing

AI summary

Machine for packaging paper rolls (R) comprising adhesivation means (EG) adapted for applying an adhesive substance (GG) on an internal side of a side flap of a packaging sheet, which adhesivation means act while the rolls (R) pass through an entry station (E) of the machine.