Adhesive Bale Wrap Activation for Secure Shape Retention

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Solution Overview

Problem

Existing bale wrapping systems face challenges in securely maintaining the shape of agricultural products due to inadequate bonding mechanisms, often relying on plastic netting or string that may not effectively hold the bale shape.

Innovation Solution

A bale wrap system with an embedded adhesive layer and an activation mechanism, such as a brush, heat source, or fluid application, to activate the adhesive, ensuring secure bonding of the wrapping layers around the bale.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If plastic netting or string is used to wrap the bale, then the wrapping process is simple and quick, but the bonding mechanism is inadequate and cannot effectively hold the bale shape

Engineering Contradiction:

Improvewrapping speedVSAvoidbale shape maintenance

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The wrapping layer is segmented into multiple portions with adhesive layers at specific intervals. The adhesive layers are activated at strategic points to create localized bonding zones that securely hold the bale shape without requiring continuous wrapping material throughout the entire bale circumference.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent replaces purely mechanical bonding (friction and tension from netting/string) with a chemical bonding mechanism using adhesive layers. The adhesive layers, when activated by heat or pressure, create strong molecular bonds between overlapping portions of the wrapping layer, providing superior holding power compared to mechanical fastening alone.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If adhesive layers are embedded in the wrapping layer with activation mechanisms, then secure bonding of wrapping layers is achieved, but the device complexity increases

Engineering Contradiction:

Improvebonding strengthVSAvoidsystem structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The adhesive layer is merged directly into the wrapping layer structure, eliminating the need for separate bonding components. The activation mechanisms (heat sources or pressure applicators) are integrated into the wrapping system, allowing the adhesive-bonding function to be combined with the wrapping operation in a single coordinated process.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The adhesive layers are designed to activate automatically when exposed to heat or pressure during the wrapping process. The overlapping portions of the wrapping layer self-align and self-bond through the activated adhesive, reducing the need for complex positioning and bonding control systems.

Inventive Principle:

Principle #25Self-service

3Stability of the object's composition

If adhesive layers are activated at strategic points, then the wrap remains tightly bound with enhanced stability, but additional energy and resources are required for activation

Engineering Contradiction:

Improvewrap tightnessVSAvoidactivation energy

Core Design Contradiction:

Stability of the object's compositionVSUse of energy by moving object

Solution Approach 1:

Instead of activating adhesive uniformly across the entire wrapping layer, the system applies activation energy (heat or pressure) only at strategic localized points where overlapping portions need bonding. This concentrated approach provides sufficient bonding strength to maintain wrap tightness while minimizing total energy consumption compared to full-surface activation.

Inventive Principle:

Principle #3Local quality

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 system effectively secures the bale shape by activating the adhesive layer at strategic points, ensuring the wrap remains tightly bound around the agricultural product, enhancing stability and maintaining the bale's form.

Implementation Method 1

an adhesive layer embedded on or in the wrapping layer and configured to be activated by an adhesive activation mechanism. Activation of the adhesive layer enables the adhesive layer to bond the first portion of the wrapping layer to the second portion of the wrapping layer

Methodology Applied

Scientific EffectAdhesion: Adhesive

Implementation Method 2

an adhesive activation mechanism, such as a brush, heat source, or fluid application, to activate the adhesive

Methodology Applied

Scientific EffectHeating: Heating

Data Source

PatentUS12557739B2Bale wrapping system

Publication Date: 2026.02.24 CNH INDUSTRIAL AMERICA LLC

AI summary

A bale wrap includes a wrapping layer configured to wrap around a bale of agricultural product, such that a first portion of the wrapping layer overlaps a second portion of the wrapping layer. Additionally, the bale wrap includes an adhesive layer embedded on or in the wrapping layer and configured to be activated by an adhesive activation mechanism. Activation of the adhesive layer enables the adhesive layer to bond the first portion of the wrapping layer to the second portion of the wrapping layer.