Hook-And-Loop Lining Mounting for Wear-Exposed Buckets

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing methods for attaching lining elements to hauler buckets are inefficient, requiring special tools, aggressive chemicals, and are prone to failure under shear forces, with adhesives losing binding properties over time and being difficult to remove.

Innovation Solution

A method using an interface engagement fastening arrangement with hook and loop fasteners, allowing for easy attachment and secure fastening without tools or chemicals, and enabling easy removal by peeling, which is resistant to wear and temperature changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If adhesive bonding is used to attach lining elements, then the lining elements can be attached to the mounting surface, but the adhesive may lose its binding properties over time and may not be strong enough to ensure secure fastening

Engineering Contradiction:

Improvesecure fasteningVSAvoidbinding duration

Core Design Contradiction:

ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The adhesive bonding system is segmented into two separate components: a mounting surface with adhesive layer and lining elements with mounting surface. This allows the adhesive to be applied in controlled amounts and distributed evenly, preventing adhesive failure while maintaining secure fastening over time.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The adhesive layer is prepared in advance on the mounting surface or lining element, allowing for proper curing and bonding strength development before the lining element is subjected to operational stresses. This preliminary bonding action ensures long-term reliability of the attachment.

Inventive Principle:

Principle #10Preliminary action

2Reliability

If adhesive bonding is used to attach lining elements, then the lining elements can be attached to the mounting surface, but the adjustment and re-orientation of the lining elements is difficult once bonding has begun

Engineering Contradiction:

Improveattachment securityVSAvoidadjustment ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The adhesive layer is applied in advance but remains in a state that allows for adjustment during the bonding process. The adhesive formulation and application method enable repositioning and re-orientation of lining elements before final curing, combining ease of adjustment with secure attachment.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If adhesive bonding is used to attach lining elements, then the lining elements can be attached to the mounting surface, but de-attachment is a time consuming, costly, and difficult process requiring aggressive chemicals

Engineering Contradiction:

Improveattachment securityVSAvoidde-attachment ease

Core Design Contradiction:

ReliabilityVSEase of repair

Solution Approach 1:

The bonding system is designed with separable components where the adhesive layer can be cleanly removed from either the mounting surface or lining element. This segmentation enables easy de-attachment and reuse of components without requiring aggressive chemicals or causing damage.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The adhesive bonding system is designed to allow for recovery of lining elements after use. The adhesive can be removed cleanly, enabling the lining elements to be reused on different mounting surfaces, reducing waste and operational costs.

Inventive Principle:

Principle #34Discarding and recovering

4Reliability

If adhesive bonding is used to attach lining elements, then the lining elements can be attached to the mounting surface, but some adhesives require high temperatures upon application and may be sticky and difficult to handle

Engineering Contradiction:

Improveattachment securityVSAvoidhandling ease

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The adhesive formulation is modified to change its application parameters, specifically reducing the required application temperature. This allows the adhesive to be applied at lower temperatures, improving handling ease and safety while maintaining bonding reliability.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The adhesive application process is simplified by replacing complex heating and temperature control mechanisms with a simpler application method. The adhesive is formulated to achieve proper bonding without requiring high temperatures, eliminating the need for specialized heating equipment and improving ease of operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

5Reliability

If adhesive bonding is used to attach lining elements, then the lining elements can be attached to the mounting surface, but adhesives commonly used in prior-art methods may spread dangerous fumes during the application process

Engineering Contradiction:

Improveattachment securityVSAvoidfume exposure

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The adhesive formulation is changed to use materials that do not produce dangerous fumes during application. This parameter change in the chemical composition eliminates harmful emissions while maintaining the adhesive's bonding properties and reliability.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The adhesive system is designed to convert the potential harm of fume emission into a benefit by using water-based or solvent-free formulations. These formulations not only eliminate dangerous fumes but also provide easier cleanup and safer working conditions, turning a harmful characteristic into an advantageous one.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 method provides a secure, time-efficient, and cost-effective attachment of lining elements to hauler buckets, resistant to wear and temperature variations, with no need for hazardous chemicals, and allows for easy removal without damaging the structure.

Implementation Method 1

The first and second parts of the interface engagement fastening arrangement are engaged by means of corresponding hook-like projections and matching loops provided on the first and second parts, respectively

Methodology Applied

Scientific EffectMechanical Fastener: Mechanical Fastener

Data Source

PatentEP3867101B1Method and system for mounting lining elements and the like

Publication Date: 2024.01.24 TRELLEBORG IZARRA SA

Figure 1~2
Figure 3~4b
Figure 5a~5c

AI summary

A method for attaching lining elements to a structure exposed to wear using an interface engagement fastening arrangement is disclosed. The method involves the steps of attaching strips or sheets provided with a first part (50a) of the interface engagement fastening arrangement to a mounting surface (72) of the structure (70); providing lining elements (10') having a second (50b) part of the interface engagement fastening arrangement; and attaching the second part (50b) of the lining elements (10') to the exposed first part (50a) of the interface engagement fastening arrangement so that these parts (50a, 50b) are inter-engaged. By this engagement of the first (50a) and second (50b) parts of the interface engagement fastening arrangement, the aimed-at lining element mounting is obtained.