In-Line Pressure Sensitive Adhesive Application for Tubes and Cores: A Smarter Roll Start Solution
- 5 days ago
- 3 min read
Transforming Roll Start Performance in Converting Operations
In roll-based manufacturing, efficiency often comes down to the smallest steps in the process. One of the most persistent challenges for converters is roll start preparation, particularly the manual application of adhesive or double-sided tape to tubes and cores.
While seemingly simple, this step can introduce downtime, labor costs, inconsistent adhesion, and production variability.
A new manufacturing approach—developed through HAR Adhesive Technologies in collaboration with ITW Dynatec adhesive application systems—integrates pressure sensitive adhesive (PSA) application directly into tube production. By moving adhesive application upstream, manufacturers can eliminate manual roll start preparation and deliver adhesive-ready cores designed for immediate use on the converting line.
In-Line Adhesive Application During Tube Manufacturing
This process applies pressure sensitive adhesive directly onto corrugated or cardboard tubes during the tube winding stage, before the tubes are cut into individual cores.
Each finished core leaves production with a precisely applied adhesive zone, allowing converters to begin roll winding immediately without additional adhesive or tape application.
Key advantages of this approach include:
Adhesive applied during continuous tube manufacturing
Seamless integration with existing tube winding lines
No additional handling or secondary processes
Consistent adhesive placement across every core produced
With ITW Dynatec adhesive application equipment, manufacturers achieve highly controlled adhesive placement at production speeds, ensuring repeatable performance and reliable roll starts.
Eliminating Traditional Roll Start Inefficiencies
Historically, roll start preparation has relied on manual or secondary processes such as:
Hand application of double-sided tape
Offline adhesive application
Manual hot melt PSA application to cores
Additional labor and material handling
Inconsistent adhesive positioning
These methods create unnecessary variability and slow down converting operations.
With in-line PSA application, adhesive is applied during tube production and synchronized with the winding line speed. Once tubes are cut, each core contains a clean, consistent adhesive zone ready to capture the substrate during roll startup.
This approach transforms the core from a passive component into an active contributor to converting efficiency.
Faster, More Reliable Roll Starts for Converters
For converters and production teams, adhesive-ready cores simplify the roll startup process and reduce operator involvement.
Operators no longer need to:
Pause production to apply tape
Manually align adhesive strips
Troubleshoot failed roll starts
Apply molten pressure sensitive adhesive to cores
Instead, rolls can be started quickly and consistently because the adhesive is already in place.
Benefits include:
Improved line uptime
Reduced startup waste
Faster roll changeovers
More consistent roll start adhesion
This reliability improves overall productivity and contributes to higher quality finished rolls.
Precision Adhesive Application with ITW Dynatec Technology
The in-line system is powered by ITW Dynatec adhesive application technology, widely used in industrial adhesive dispensing environments.
These systems provide:
Precise adhesive placement on cylindrical substrates
Controlled adhesive coat weight
Clean, consistent application at high production speeds
Compatibility with a wide range of pressure sensitive adhesive formulations
Designed for demanding industrial environments, Dynatec systems support long run times, minimal maintenance, and scalable production, making them ideal for tube and core manufacturers serving high-volume converting markets.
Adhesive-Ready Cores: A Competitive Advantage
Integrating adhesive into tube manufacturing allows suppliers to offer value-added tubes and cores designed for modern converting operations.
Adhesive-ready cores provide manufacturers with several strategic advantages:
Deliver premium, performance-enhanced cores
Reduce labor requirements for converting customers
Improve roll start reliability across applications
Differentiate tube and core products in competitive markets
Enable new converting and packaging applications
By shifting roll start preparation from the converting floor to the controlled manufacturing environment, tube producers can improve consistency while providing a measurable operational benefit to end users.
The Future of Tube and Core Manufacturing
As converting operations push toward higher speeds, reduced labor dependency, and improved process control, in-line adhesive application represents a natural evolution for the tube and core industry.
Through the combined expertise of HAR Adhesive Technologies and ITW Dynatec adhesive systems, manufacturers can integrate adhesive application directly into tube winding operations and deliver cores engineered for performance from the start.
Sometimes innovation is not about adding new steps—it’s about removing the ones that no longer make sense.
About the Author
Chaz Downing is the General Manager and Co-Owner of HAR Equipment Sales. He has over a decade of experience in the adhesive application equipment industry and previously served as a helicopter pilot in the United States Marine Corps.
Readers are invited to use the links below to find and contact a local adhesives representative that can help with your company's industrial adhesives needs: HAR Adhesive Technologies has a presence in seven distinct states, uniquely focused on serving the adhesives, adhesive application, and equipment needs of each region in: Ohio, Indiana, Kentucky, Michigan, New York, Pennsylvania, West Virginia