Reusable Hook Patch for Disposable Belt Waste Reduction

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Solution Overview

Problem

Disposable belts for absorbent products often become worn out before the hook material patches, leading to unnecessary waste and inefficiency in resource usage.

Innovation Solution

A disposable belt system where the hook material patch is attached to the belt material with different hook surface structures, allowing the patch to be easily removed and reused with new belt material, extending the life cycle and reducing waste.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If a disposable belt with integrated hook material patch is reused multiple times, then the belt material becomes worn out before the hook material patch, but discarding the entire belt including the still-functional hook material patch leads to resource waste

Engineering Contradiction:
Improveservice life of hook material patchVSAvoidwaste of functional hook material patch
Core Design Contradiction:
Duration of action of stationary objectVSLoss of substance

Solution Approach 1:

The belt system is divided into two separable components: a disposable belt material portion and a reusable hook material patch. The hook material patch can be detached from the worn belt material and transferred to a new belt material, allowing the functional hook portion to be reused while only the consumed belt material is discarded.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention enables recovery and reuse of the hook material patch after the belt material becomes worn out. Instead of discarding the entire belt assembly, the still-functional hook material patch is recovered and attached to new belt material, extending its service life and reducing resource waste.

Inventive Principle:
Principle #34Discarding and recovering

2Device complexity

If the hook material patch is made permanently attached to the belt material, then the belt structure is simplified, but the ability to reuse the hook material patch is lost

Engineering Contradiction:
Improvebelt structure simplicityVSAvoidreusability of hook material patch
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The attachment between the hook material patch and belt material is designed to be dynamic rather than fixed. The hook material patch can be detached and reattached as needed, providing adaptability for reuse while maintaining a simple integrated structure during normal use. This dynamic attachment allows the system to transition between attached and separated states based on operational needs.

Inventive Principle:
Principle #15Dynamics

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

This approach enables the reuse of the hook material patch with new belt material, promoting a natural resources-saving solution by extending the belt's usability and reducing the frequency of replacements.

Implementation Method 1

The second side of the hook material patch is provided with a second hook surface structure, and the second hook surface structure engages with the loop surface structure of the length of belt material

Methodology Applied
Scientific EffectHook and loop fastening: Velcro

Data Source

PatentUS9585799B2Disposable belt having detachable hook and loop fastener
Publication Date: 2017.03.07 ESSITY HYGIENE & HEALTH AB
  • US9585799B2 patent drawing
  • US9585799B2 patent drawing
  • US9585799B2 patent drawing

AI summary

A disposable belt for use with an absorbent product and a belt system is provided. The disposable belt includes a length of belt material and a hook material patch connected to a first surface portion. The length of belt material has a first major surface and an opposite second major surface, and includes a loop surface structure. The hook material patch is flat and has a first side facing away from the first surface portion, and a second side abutting against the first surface portion. The first side is provided with a first hook surface structure. The second side of the hook material patch is provided with a second hook surface structure, and the second hook surface structure engages with the loop surface structure. The belt system includes the disposable belt and a second length of belt material.