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SealerOn Induction Sealing

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  • SealerOn™ Induction Sealing
    • SealerOn™ Induction Machines – Take a Closer Look
    • SealerOn™ Mini
    • SealerOn™-100 Affordable Entry Level Induction Machine
    • SealerOn™ 400
    • SealerOn™ 3000
    • SealerOn™ 3000 Large Caps
    • SealerOn™400 Flat, Spout and Flip Caps
  • MeRo Sealer Machine Introduction
    • MeRo Induction Machines – Take a Closer Look
    • MeRo 1KW Air Cooled Bottle Sealer
    • MeRo 2KW Air Cooled Induction Sealer
    • MeRo Flat Caps
    • MeRo™ Specialty Caps
  • Capless Induction
    • Capless Induction Machines – Take a Closer Look
    • Packaging in Glass or PET When Considering Induction Seal
  • Heat Sealing
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induction machine

The Poor Man’s Tamper Evident Seal – Pressure Sensitive Cap Sealing

Tamper Evident Seal

When looking into whether to use a pressure sensitive tamper evident seal or an induction seal it is a good idea to understand the core reasons behind applying tamper evident seals and induction seals to bottles and jars. 

For induction sealing the key benefits from that type of seal include:  Tamper Evident Seal

  1. A visual tamper proof barrier showing the client the contents of this product have not been compromised.
  2. An oxygen and moisture barrier, preserving the integrity and shelf life of products.  For this reason alone induction seals are often referred to as freshness seals.
  3. Eliminate leaks through caps.  Often plastic caps are well tightened after their bottle has been filled, however temperature changes resulting in slight cap expansion and contraction and the vibration of transport result in caps loosening and product leaking, Eg. Often compromising significant portions of product shipment that become very difficult to retail if not impossible.
  4. To provide a professional finish to the product showing the manufacturer cares about the above three major benefits of good product sealing.

For pressure sensitive sealing – sometimes called PS22 Wadding the key benefits from that type of seal are reduced:

  1. A visual tamper evident barrier showing the client the contents of this product have probably not been compromised
  2. To provide a professional finish that resembles the level of care used by manufacturers using induction sealing.

Pressure sensitive wadding is susceptible to someone that can come along and carefully peel such a liner partially off the neck of a bottle and then simply tighten the cap again to apply pressure and re-seal the bottle; no equipment or tools is required. In this way bottle sealing with pressure sensitive cap sealing is more visual than practical. 

Pressure sensitive cap lining material usually has no foil barrier and therefore has little to no barrier properties to lengthen shelf life or preserve freshness.  Being glue based, many liquid contents are not suitable for pressure sensitive or PS22 cap sealing.

So why do companies choose pressure sensitive sealing materials over induction foil sealing?

In some cases it is ignorance of the induction sealing process and in other cases it is the “poor man’s” version of a tamper evident seal. 

Induction sealing tamper evidence requires induction sealing machinery.  Pressure sensitive sealing requires no machinery.

Safe bench top induction machinery can start at USD$3500.00.  Beware there are many hand held induction machines on offer for sub USD$1000 and manufacturers of that level of equipment refuse to provide safety certifications or advise that they do not “yet” have the certification.

An induction machine is not like a toaster or a kettle so beware of anyone offering toaster or kettle prices for induction sealing equipment.  An induction machine deals with high currents and produces high levels of magnetic and electrical fields. 

If you find a retail product on the shelf with a pressure sensitive seal be aware that while it looks like it is tamper proof it is at best only ‘tamper evident’.  The company producing that product is taking the cheapest path to providing you with a look that resembles but in no way performs like an induction seal or a tamper proof seal.

SealerOn™ Large Caps

Large Caps
Large Caps

Large Caps

The SealerOn™ Induction Sealing Machine range is a versatile entry level range aimed primarily at Flat Cap induction sealing applications. 

The SealerOn™ 3000 is typically rated for Flat Caps of Diameter 20 mm to 120 mm traveling on a conveyor at speeds up to 20 Meters (60 Ft) per minute.

The Actual Speed needs to be determined with the Cap, Lining Material and Bottle combination to hand. The Standard frame Allows the Sealing Head to be adjusted from 710 mm to 1200 mm above the floor Level. This height range can be “offset” up or down upon request. Technicians are not expected to repair any components.

Ideally a spare Generator is on hand or can be provided while the Generator is sent to our manufacturers service center for repair.

SealerOn3000 Induction Machine

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MeRo Sealer Machine Introduction

 MeRo Induction Sealer Machine Range

We believe there is no better value medium priced “High End” Induction Sealing Equipment. There are unique features to allow process validation and adjustable width sealing head tunnels are available.

 

MeRo Induction Sealing EquipmentMeRo Induction Sealer Machines feature:

  1. An Air cooled system (Absolutely no need to water cool the induction head).
  2. Compact construction for easy integration into the filling line.
  3. High power efficiency thanks to the configuration of the power circuits and the use of IGBT modules.
  4. Sinusoidal output waveform (Not Square or chopped).
  5. Constant and Precise Output power due to the configuration of the regulation circuits.
  6. Easy to use controls that display operating parameters and alarm signals.
  7. Remote control Start-Stop interface.
  8. Power variation monitor which can be set by the user to activate an alarm.
  9. Manufactured in accordance with EN-60204-1 standards, Electromagnetic (EMC) compatibility in accordance with EN-5511 and EN50082-2 standards.
  10. Motorized height adjustment
  11. Set-Up Validation providing an Energy absorbed reading- A key advantage over Nearly Every other make

Depending on the range of product and cap, lid, closure shapes, different sealing heads can be supplied.

Options include:

  1. Missing Foil Detection with Bottle Eject Mechanism or Signal
  2. Bottle Accumulation Detection to avoid the situation where bottles are stalled under the active sealing head.
  3. Pressurized Cabinet version to work in dangerous areas.
  4. Fieldbus connection to the production process ASI/PROFIBUS/CAM OPEN/DEVICE NET
  5. Integration of power regulation proportional to the speed of the conveyor via feedback from your existing conveyor’s speed controller. This is another key advantage that MeRo are able to offer over nearly other make.

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MeRo™ Specialty Caps

The MeRo Induction Sealing machines allow for versatility of the Tunnel Sealing Head by offering an Adjustable Width Tunnel.

With this unique feature you can cater for a range of different diameter Specialty Caps and obtain the most efficient energy transfer possible (This means high throughput is possible with a lower power setting).

A Tunnel Induction Sealing Head lets you seal caps where the foil sits a distance greater than say 4 mm from the top surface of the cap; This is often the case with twist top spouts, flip top lids, sports drink caps, sipper caps or shaker caps.

This Adjustable Width Tunnel is perhaps the most versatile option as it will also seal standard flat caps – again providing adjustment to achieve the most efficient energy transfer possible.

MeRo Specialty Caps

Specialty Caps Original

Specialty Cap Adjustable Sealing HeadSpecialty Cap MeRo 2KW unit

 

 

 

 

 

 

 

 

 

 

 

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SealerOn™ Flat Caps

Flat Caps Original

With Induction sealing it is important to identify if your range of plastic caps is considered “Flat Caps” or specialty caps.

A “Flat Cap”, generally speaking, refers to a cap where the plane of the induction liner is within 4.0 mm of the plane of the Cap’s top surface.

See the picture below:

Flat Cap Diagram

With only Flat Caps, a Flat Sealing Head can be provided.
With A Flat Sealing Head it is possible to cater for a wide range of cap sizes.

The energy transfer for a Flat Sealing Head is not as efficient as a Tunnel sealing head but the versatility often makes up for the reduced speed throughput compromise of a Flat Sealing Head

 

SealerOn™ Flat Caps
SealerOn500 Flat Head View

Click to Enlarge Image

A special SealerOn™ tunnel head can be supplied for caps that are specialty like twist top caps.

See the pictures below:

SealerOn™ Specialty Caps
SealerOn400 Tunnel HeadClick to Enlarge Image

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Labeling Equipment
  • Home
  • SealerOn™ Induction Sealing
    • SealerOn™ Induction Machines – Take a Closer Look
    • SealerOn™ Mini
    • SealerOn™-100 Affordable Entry Level Induction Machine
    • SealerOn™ 400
    • SealerOn™ 3000
    • SealerOn™ 3000 Large Caps
    • SealerOn™400 Flat, Spout and Flip Caps
  • MeRo Sealer Machine Introduction
    • MeRo Induction Machines – Take a Closer Look
    • MeRo 1KW Air Cooled Bottle Sealer
    • MeRo 2KW Air Cooled Induction Sealer
    • MeRo Flat Caps
    • MeRo™ Specialty Caps
  • Capless Induction
    • Capless Induction Machines – Take a Closer Look
    • Packaging in Glass or PET When Considering Induction Seal
  • Heat Sealing
  • Contact Us
  • Blog

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  • The SealerOn™ 3000: Versatility at Its Finest
  • The SealerOn™ Bottle Capping Machine: Economic, Efficient, Exceptional
  • Induction Sealing Onto Glass: A Breakthrough in Induction Technology
  • Capless Induction Technology: Improve Exponentially

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