Lepel

Lepel

Lepel Corporation is a world leader in induction heating with more than 85 years of industry experience, an expert engineering staff and responsive, 24-hour service. Lepel leads the induction cap sealing industry with more than four decades of in-the-field experience, R&D and manufacturing. Lepel offers a complete line of induction sealing equipment that provides total product protection whether you are sealing with a cap or sealing capless. Our equipment provides a strong, tamper evident seal to ensure product integrity. The tamper evident seal discourages pilferage and enhances customer confidence by showing at a glance if product integrity has been jeopardized. Our team of technicians and capsealing specialists can help verify your sealing application and assist in liner material recommendations and selections. Lepel’s application lab is equipped to test all elements of the induction sealing process including caps, containers, liners, products and overall compatibilities.

Connect with Us
W227 N937 Westmound Drive
Waukesha, WI 53186 USA
262-782-0450 | sales@lepel.com

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We have 8 Lepel units, that are used 16 hours a day, 5 days a week. Our units are almost zero maintenance, very operator friendly units. And anytime we do need to call Lepel, we appreciate the 100% helpful friendly staff. If we need anymore units, Lepel is our sealer of choice, and is the only sealer recommended by me.

Lepel Customer in the food industry

The best compliment I can pay to Lepel Corporation is that in 10 years of working with them I have had very little downtime or issues related to the induction sealers.  The fact that they are on all my bottling lines, and I don’t have to pay them any real attention is the reason that they would be my first choice when shopping for another.

Longtime Lepel Customer

Lepel Corporation

We Invented Capsealing

Lepel developed the first induction sealer and application back in the late 1960s. A company packaging photo chemicals, FRP Chemical in NJ, thought they had solved a leakage problem caused by glass breakage. Their first solution was to change to a plastic bottle and cap. They later found out that the plastic caps stress-relieved over time and loosened during shipment. The leakage problem returned. FRP Chemical’s Packaging Engineer, Jack Palmer, along with 3M and Lepel, created the process of induction sealing, the “Lepel Seal” as it was originally called.

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Excellence in Service
24/7 Service

At Lepel, we understand the importance of responsiveness and of lasting customer relationships. We are committed to the success of our customers, and that means minimizing downtime. Our service engineers are available 24/7 for maintenance and support services.

Contact: 800.548.8520 or 262-782-0450.

After-hours contact: 1-631-741-8827

Email us at sales@lepel.com.

Applications Lab
On-Site Support
Spare Parts
Equipment Refurbishment
Troubleshooting Tips
Application Torque

To calculate application torque, the standard "rule of thumb" is to take the closure diameter in mm and divide by 2.  The result equals the application torque in inch pounds.

No Seal or Weak Seal
High Removal Torque
Scorching
Low Removal Torque
Pulp Shears Out of Closure
Other Factors
Industries served
Analysis of Seal & Cap Types
Packaging Applications of Induction Cap Sealing: A Comprehensive Analysis of Seal and Cap Types

Abstract Induction cap sealing is a widely adopted technology in various industries, providing efficient and secure sealing solutions for containers. This article explores the packaging industry’s applications of induction cap sealing and delves into the diverse seal and cap types utilized in different sectors. By understanding the capabilities and limitations of various sealing options, manufacturers can make informed decisions regarding the selection and implementation of induction cap sealing systems.

Overview of Induction Cap Sealing Technology Induction cap sealing technology has emerged as a highly efficient and reliable method for sealing containers in various industrial applications. By utilizing electromagnetic fields and heat, induction cap sealing provides a secure and tamper-evident seal, ensuring the integrity and safety of products.

The process of induction cap sealing involves the use of an induction sealing machine equipped with an induction coil. The container to be sealed is fitted with a cap that has a heat-sealable liner consisting of a layer of foil on top of a layer of polymer. When the container passes through the induction sealing machine, the electromagnetic field generated by the coil heats the foil and melts the polymer layer, creating a hermetic seal between the cap and the container.

The advantages of induction cap sealing technology are manifold. It offers superior seal integrity, preventing leakage, tampering, and contamination, thereby enhancing product quality and extending shelf life. Induction sealing also provides a visually appealing and professional finish, contributing to brand perception and customer satisfaction.

Furthermore, induction cap sealing is a non-contact sealing method, making it suitable for a wide range of container shapes, sizes, and materials. It can be easily integrated into existing production lines, allowing for high-speed sealing operations and increased productivity.

In this article, we will explore the packaging industry’s applications of induction cap sealing and delve into the various seal and cap types employed in different sectors. Understanding the capabilities and limitations of different sealing options is crucial for manufacturers to select the most appropriate induction cap sealing system for their specific needs.

By harnessing the power of induction cap sealing technology, industries can enhance product safety, maintain quality, and meet regulatory requirements. Additionally, advancements in seal and cap types continue to drive innovation in this field, offering customized solutions and improved sustainability.

In the subsequent sections of this article, we will examine the diverse applications of induction cap sealing and discuss the different seal and cap types in detail. Through this comprehensive analysis, manufacturers will gain valuable insights to make informed decisions and optimize their sealing processes for maximum efficiency and effectiveness.

Importance of Effective Sealing in Packaging Applications In the packaging industry, effective sealing plays a pivotal role in ensuring product quality, safety, and integrity. The choice of a reliable sealing method directly impacts various aspects of production, including product freshness, containment of hazardous materials, and compliance with regulatory standards. Induction cap sealing has emerged as a critical technology in meeting these sealing requirements across diverse industries. Understanding the significance of effective sealing is essential for manufacturers to appreciate the value that induction cap sealing brings to their industrial applications.

Preserving Product Freshness and Extending Shelf Life In sectors such as food and beverage, maintaining product freshness and extending shelf life is of paramount importance. Induction cap sealing provides an airtight and hermetic seal that prevents oxygen and moisture from entering the package. This barrier significantly reduces the risk of leakage, spoilage, oxidation, and microbial growth, ensuring that the product retains its flavor, nutritional value, and overall quality for an extended period.

Containment of Hazardous Materials In industries dealing with chemicals, pharmaceuticals, and petrochemicals, proper containment of hazardous materials is crucial for worker safety, environmental protection, and regulatory compliance. Induction cap sealing offers a secure and leak-proof seal, preventing any leakage or spillage of hazardous substances. The hermetic seal acts as a barrier, safeguarding against potential accidents, contamination, and the release of toxic substances.

Compliance with Regulatory Standards In many industries, regulatory authorities enforce stringent standards and guidelines for packaging and product safety. Induction cap sealing provides tamper-evident seals, which offer visible evidence of any tampering attempts. This feature helps meet regulatory requirements and assures consumers of product integrity. Moreover, specific industries, such as pharmaceuticals, require child-resistant packaging to prevent accidental ingestion by children. Induction cap sealing facilitates the use of a wide range of cap types, including child-resistant caps.

Enhancing Brand Image and Consumer Confidence An effective sealing method not only protects the product but also contributes to the overall brand image and consumer perception. Induction cap sealing provides a professional and secure packaging solution, instilling confidence in consumers regarding product quality and safety. The visual appeal of a well-sealed package with tamper-evident features enhances the brand’s credibility and creates a positive impression among customers.

The importance of effective sealing in industrial applications cannot be overstated. Induction cap sealing technology addresses these crucial sealing requirements, offering a reliable and efficient sealing solution across a wide range of industries. The subsequent sections of this article will delve into the various seal and cap types employed in induction cap sealing, enabling manufacturers to make informed decisions based on their specific application needs.

Food & Beverage
Cosmetics & Personal Care
Packaging Industries
Pharmaceutical
Chemicals & Petrochemicals