Bulk Product Dispenser with Removable Front Panel for Cleaning Access

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Solution Overview

Problem

Existing gravity feed dispensers for bulk products face challenges in hygiene, maintenance, and structural complexity, with issues such as contamination, spillage, and difficulty in cleaning due to multiple components and cavities, which affect their reliability and service life.

Innovation Solution

A gravity feed dispenser design featuring a container with a pivotal outlet valve connected via cylindrical shafts between semi-circular recesses, allowing for easy assembly and disassembly, reduced component count, and enhanced cleaning access, along with an optional 'false front' for product display, minimizing the need for dismounting from its operating position.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a gravity feed dispenser uses multiple components and cavities for structural integrity and product containment, then the container can effectively store and display bulk products, but the difficulty of cleaning and maintenance increases due to more parts and hidden cavities where product and dust can accumulate

Engineering Contradiction:
Improvestructural integrityVSAvoidcleaning accessibility
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The dispenser is divided into separable components: a removable front panel, a main body, and a base section. This segmentation allows each component to be easily detached for thorough cleaning of all surfaces and cavities, while still providing structural integrity when assembled. The front panel can be removed to access internal cavities, eliminating hidden areas where product residue accumulates.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The front panel is designed as a separate, removable component that can be completely detached from the main body. This extraction of the front panel allows maintenance personnel to access and clean all internal cavities, recesses, and surfaces that would otherwise be inaccessible, while the panel itself can be cleaned separately. This solves the problem of hidden cavities trapping product and dust.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If the dispenser outlet valve is complexly constructed to ensure reliable sealing and controlled dispensing, then the dispensing function is improved, but the time and effort required for disassembly and reassembly increases

Engineering Contradiction:
Improvesealing reliabilityVSAvoidmaintenance time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The outlet valve mechanism is integrated with the front panel assembly, forming a single removable unit. This merging of the valve with the front panel allows the entire dispensing mechanism to be detached and reattached as one component, significantly reducing maintenance time while maintaining sealing reliability through the integrated design. The valve seal remains effective because it is part of the unified front panel assembly that maintains proper positioning when reinstalled.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The front panel serves multiple functions: it provides structural closure, houses the outlet valve mechanism, and acts as a removable access point for maintenance. This multi-functionality allows a single component to fulfill multiple roles, reducing the total number of separate parts that need to be handled during maintenance while ensuring the sealing function remains reliable through the integrated valve design.

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

3Ease of manufacture

If the dispenser uses a simple container structure with few components, then the ease of manufacture and disassembly is improved, but the ability to provide effective product containment and controlled dispensing is reduced

Engineering Contradiction:
Improvecomponent countVSAvoiddispensing control
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The outlet valve incorporates a movable pivotable element that can be rotated between open and closed positions by a handle. This dynamic component provides controlled dispensing capability, allowing the bulk product to flow freely when opened and be completely sealed when closed. The simple pivotable design adds minimal structural complexity while delivering reliable dispensing control and easy operation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The valve sealing mechanism uses a flexible sealing element that conformally contacts the valve seat to create an effective seal. This flexible component provides reliable product containment with minimal structural complexity, as the flexibility of the sealing element compensates for minor manufacturing variations and ensures complete sealing without requiring complex rigid sealing structures.

Inventive Principle:
Principle #30Flexible shells and thin films

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 design improves hygiene and maintenance efficiency by simplifying disassembly and reassembly, reducing contamination risks, and extending the dispenser's service life while offering flexible display options and reduced component wear.

Implementation Method 1

Gravity acts on the bulk product stored in the container and urges it toward the lower outlet opening

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP3542678B1Bulk product dispenser
Publication Date: 2020.11.25 HL DISPLAY AB
  • EP3542678B1 patent drawingFigure 1a
  • EP3542678B1 patent drawingFigure 1b
  • EP3542678B1 patent drawingFigure 2

AI summary

A gravity feed dispenser for bulk products comprises; a container (10) arranged for holding the bulk product and comprising an upper inlet opening (12), a lower outlet opening (14) and a plurality of walls. The walls comprise side walls (21, 22, 23) and a downwardly sloping bottom wall (24), said walls defining an interior space (16) for receiving the bulk product. A pivotal outlet valve member (42) is connected to a pivotal handle (46) and arranged at the outlet opening (14) for selectively allowing and preventing outward flow of the bulk product through the outlet opening by manual pivotal operation of the handle. The container (10) comprises a body (20) and a front piece (30). The body comprises two mutually opposing first sidewalls, (21, 22) a second sidewall forming a rear wall (23) and a forwardly sloping bottom wall (24). The front piece (30) forms a third side wall and is arranged releasably fixed to a front portion of the body (20). The outlet valve member (42) is connected to the handle (46) by at least one cylindrical shaft (47) which is pivotally received between a first semi circular recess (27) arranged in the body (20) and a second semi circular recess (37) arranged in the front piece (30).