Packaging Unit Forming Device With Adhesive Bonding
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Solution Overview
Problem
Existing packaging methods, such as using shrink films or strapping, are costly and inefficient, and they fail to prevent cylindrical items from nesting during transport, which requires high tension and can lead to instability when containers are removed from a pack.
Innovation Solution
A device with a linear transporter having three sections, where applicator elements apply adhesive agents to containers, and transversely displaceable and rotatable head guides ensure proper alignment and bonding, forming a cohesive pack without enveloping films or strapping, using UV-curing or hot-melt adhesives to maintain stability during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If shrink films are used to combine containers into packaging units, then the packaging units are formed with film wrapping, but considerable expense is caused by the films and their shrinking process
Solution Approach 1:
The patent removes the shrink film from the packaging system entirely, extracting the wrapping function and replacing it with direct adhesive bonding between containers. This eliminates material consumption and cost associated with films while maintaining packaging unit integrity.
Solution Approach 2:
The mechanical film wrapping and shrinking system is replaced with a chemical bonding system using adhesives applied directly to container surfaces. This substitution eliminates the need for thermal shrinking processes and film materials, reducing both cost and material waste.
2Ease of manufacture
If strapping is used to combine containers, then the method is inexpensive and simple, but the strapping fails to hold remaining containers together when one container is removed
Solution Approach 1:
The patent merges the bonding function directly into the container interfaces by applying adhesive to contact surfaces. This creates a unified bonded structure where containers are permanently joined to their neighbors, ensuring that removal of one container does not affect the integrity of the remaining bonded units.
3Stability of the object's composition
If high tension is applied to strapping to prevent nesting during transport, then container stability is improved, but the strapping system becomes complex and costly
Solution Approach 1:
The mechanical strapping system requiring high tension is replaced with adhesive bonding that naturally maintains container positions without additional mechanical restraints. The adhesive creates permanent bonds at contact surfaces, eliminating the need for complex strapping mechanisms and high tension applications.
4Reliability
If adhesive is applied to containers to maintain pack cohesion, then container bonding is achieved, but adhesive material consumption increases
Solution Approach 1:
The patent applies adhesive locally only at the contact surfaces and interfaces where containers touch each other, rather than covering entire container surfaces. This localized application minimizes adhesive consumption while ensuring sufficient bonding strength at the critical bonding points.
Solution Approach 2:
The patent uses partial adhesive application only where needed at contact interfaces, avoiding excessive application. This selective bonding approach achieves sufficient pack cohesion while minimizing material consumption, balancing reliability with efficiency.
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 solution effectively prevents nesting of containers during transport and maintains pack cohesion even after removal of one container, reducing waste and resource usage, while ensuring a strong adhesive bond with minimal adhesive application.
Implementation Method 1
applicator elements for applying bonding or adhesive agent
Implementation Method 2
using UV-curing or hot-melt adhesives
Implementation Method 3
using UV-curing or hot-melt adhesives
Data Source
AI summary
An apparatus for producing a container pack includes a linear transporter, applicator elements, and head guides. The linear transporter has first, second, and third sections. Transport surfaces run parallel to one another in said first section, are oriented at an angle to one another in said second section, and again run parallel to one another in said third section. The second section comprises applicator elements having transversely displaceable and rotatable head guides for single-container transport along said three sections. The apparatus is configured to bring containers together in said third section to form said pack and to transport said pack towards a discharge side.