Profiled Push Bar for Nested Beverage Container Compaction

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Solution Overview

Problem

Existing methods for compacting cylindrical articles, such as beverage containers, into a nested arrangement are complex, prone to errors, and require intricate structures that are not dirt-resistant, leading to potential malfunctions and increased maintenance needs.

Innovation Solution

A method and device utilizing symmetrically or asymmetrically profiled push bars that move behind the article groups along a tapering transport path, with a profiling that matches the outer contour of the desired compacted arrangement, to shift articles into a nested configuration, reducing gaps and stabilizing the pack through lateral support.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If complex conveyor systems with multiple rows and deflection areas are used to achieve nested arrangement, then the articles can be compacted into space-saving configurations, but the device complexity increases and reliability decreases due to collision risks and gap formation

Engineering Contradiction:
Improvespace efficiency of packed articlesVSAvoidcomplexity of conveyor system
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The patent extracts the essential function of row displacement from complex conveyor deflection systems and implements it through a single profiled push bar that simultaneously engages multiple rows. This removes unnecessary conveyor components and deflection areas while maintaining the nested arrangement capability.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The profiled push bar serves multiple functions: it displaces multiple rows simultaneously, maintains article spacing, and guides articles into the nested arrangement. This multi-functional element replaces what would otherwise require multiple separate conveyor deflection mechanisms.

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

2Manufacturing precision

If circulating bars with firmly fixed rollers are used to shift rows of containers, then the desired staggered arrangement can be achieved, but the functionality is restricted and adaptability to different pack variants is reduced

Engineering Contradiction:
Improveprecision of staggered arrangementVSAvoidadaptability to different pack variants
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The push bar is designed with a profile that can be adapted to different pack variants by changing the bar profile itself rather than reconfiguring multiple rollers. The profiled bar dynamically adapts to different container arrangements through profile selection, maintaining precision while improving versatility.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The invention changes the parameter of the push bar profile to adapt to different pack variants. By selecting different bar profiles (different geometric parameters), the system can handle various container arrangements without mechanical reconfiguration, maintaining manufacturing precision across different variants.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If guide plates and disassemblable roller systems are used to enable different pack formats, then adaptability to different pack sizes is improved, but the device complexity increases and dirt-resistance decreases leading to maintenance issues

Engineering Contradiction:
Improveadaptability to different pack formatsVSAvoidcomplexity of guide plate structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent removes complex guide plate systems and disassemblable roller mechanisms, replacing them with a single profiled push bar that provides adaptability through profile selection rather than structural complexity. This extraction eliminates dirt-trapping components while maintaining format versatility.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The push bar profile can be replaced or changed as needed for different pack formats, serving as a simple, easily replaceable component rather than a complex, maintenance-prone system. This approach prioritizes simplicity and ease of replacement over permanent, complex configurations.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

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 simplifies the compacting process, reduces errors, and enhances the stability and space efficiency of packed articles, allowing for reliable and cost-effective formation of dense, space-saving arrangements without the need for complex structures or frequent maintenance.

Implementation Method 1

the at least one profiled push bar (30), which is moved from behind towards the group of articles (12) in the conveying direction (F) of the articles (14) and which, on its side facing the group of articles (12), has a profile (32) that corresponds to an outer contour of a nest-like arrangement of the articles (14)

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

through which the at least one profiled push bar (30) acts on the group of articles (12) and by means of which the articles (14) are shifted against one another

Methodology Applied
Scientific EffectMechanical Force: Mechanical Force

Data Source

PatentEP2415695B1Method and device for producing groups of items for packaging and profiled thrust bar for use of same
Publication Date: 2015.09.02 KRONES AG
  • EP2415695B1 patent drawingFigure 1
  • EP2415695B1 patent drawingFigure 2a~2b
  • EP2415695B1 patent drawingFigure 2c~3a

AI summary

The present invention relates to a method for forming a compact arrangement of articles (14) to be packaged within a packaging machine, wherein the group (12) of articles (14) is guided through the packaging machine, at least in a partial section (20) of its transport path (18), by means of at least one profiled strip (30) which rests against an end face of the group (12) of articles (14), and in doing so, at least some of the articles (14) of the group (12) are displaced relative to one another into the compact arrangement. The invention further relates to a device for carrying out the method for forming groups of several identical articles to be packaged. In addition, the invention relates to a symmetrically or asymmetrically profiled push strip for transferring a group of articles conveyed in a horizontal direction into a compact arrangement.