Flow Pack Packaging for Polishing Pad UV and Moisture Protection
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Solution Overview
Problem
Existing packaging for circular plate-like accessories for hand-guided power tools is vulnerable to external influences such as UV radiation, humidity, dust, and chemicals, leading to material degradation, discolouring, and lack of secure protection during storage and transport.
Innovation Solution
A flow pack packaging system with an opaque or coated material, providing an airtight and tear-resistant tubular bag with a gas cushion effect, featuring a transparent window with UV-filter and customizable imprint, and a composite laminated material for enhanced protection and visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional transparent or open packaging is used for circular plate-like accessories, then the accessories are visible and accessible, but they are exposed to UV radiation, humidity, dust, and chemicals causing material degradation and discolouring
Solution Approach 1:
The patent employs a flow pack made of flexible foil material that forms a sealed pouch around the circular plate-like accessory. This flexible shell completely encloses the accessory, creating a barrier against UV radiation, humidity, dust, and chemicals. The foil material is specifically chosen to be impermeable to these harmful factors, preventing material degradation and discolouring while maintaining the accessory's integrity during storage and transport.
Solution Approach 2:
The flow pack creates an inert protective environment by sealing the accessory inside a foil pouch that excludes external atmospheric elements. The sealed packaging establishes a controlled internal environment that is isolated from harmful external factors such as oxygen, moisture, and pollutants, thereby preventing chemical reactions and material degradation that would occur in exposure to the external environment.
2Strength
If rigid plastic boxes are used to protect accessories from external forces, then protection from mechanical damage is improved, but the packaging becomes heavier and more expensive
Solution Approach 1:
The patent replaces rigid plastic boxes with a flexible foil flow pack that provides adequate protection through its sealed enclosure design. The flexible foil material, while lightweight, forms a complete seal around the accessory, protecting it from external forces during transport without adding significant weight. The flexibility of the foil allows it to conform to the accessory shape while maintaining protective integrity.
3Object-affected harmful factors
If opaque packaging material is used to protect from UV radiation, then protection from discolouring is improved, but visibility of the accessory for customers is reduced
Solution Approach 1:
The flow pack uses foil material that can be manufactured with UV-blocking properties while maintaining a degree of transparency or incorporating transparent windows. The foil structure allows for design variations where the packaging material itself or added transparent sections enable customers to view the accessory's appearance, color, and condition without compromising UV protection, as the foil base layer continues to block harmful radiation.
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 flow pack packaging effectively shields accessories from external damage, maintains appearance, and ensures secure handling and storage by providing a lightweight, cost-efficient, and environmentally friendly solution with a durable and protective packaging system.
Implementation Method 1
the enclosed gas having a larger volume than the polishing pad contained in the flow pack, and the gas providing the polishing pad with an air-cushion damping effect during transport and handling of the package unit
Implementation Method 2
a material of the flow pack is opaque or the flow pack has an opaque coating
Implementation Method 3
permanently sealing a front side and an opposite back side of the tubular form in order to form two transverse airtight sealing seams
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention refers to a package unit (22) comprising a packaging (20) and at least one polishing pad (2), sanding pad, backing or supporting plate or similar circular plate-like accessory for power tools, in particular hand-guided polishers or sanders, contained in the packaging (20). It is suggested that the packaging (20) is a flow pack containing only a single polishing pad (2), sanding pad, backing or supporting plate or similar circular plate-like accessory for power tools.