Author Archives: Pierce Covert

Don’t Just Glue It: Lessons Learned from Zion Williamson’s “Sneaker Disaster”

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By now, we have all heard about Zion Williamson’s “Sneaker Disaster.” The fact that this incredible athlete sustained injuries, through no fault of his own, shows that “Just Glue It” is not a joke.


We hope that Mr. Williamson will have a speedy recovery and that this product failure will highlight the importance of gluing in manufacturing and the serious nature of product testing.

We, at Glue Machinery Corporation, know you “Don’t Just Glue It.” We have seen similar non-performance issues in product assembly applications from boxes to shoes to cars. As such, we always caution manufacturers against assuming that a strong initial bond is a permanent bond.
It is our recommendation that manufacturers perform extensive tests, using the appropriate gluing equipment and with a range of adhesives to confirm that the bonding characteristics are sufficient for the particular substrates.

Further, we advise that manufacturers develop rigid production guidelines and extensive on-going life testing.

Certainly, not all possibilities can be replicated as shown by the stresses Mr. Williamson’s shoes sustained. He is, after all, one of the biggest, fastest and most talented athletes competing today. Nonetheless, manufacturers of all products have the responsibility to do their own “Glue Diligence.”

Glue Machinery Corporation specializes in industrial gluing equipment and adhesives. We are here to assist with your “Glue Diligence” by:

  • Evaluating and improving your current gluing processes
  • Producing samples with various adhesives specific to your application
  • Producing samples on the best equipment used in manufacturing
  • Recording the process and returning videos and samples as part of your overall Glue Diligence
  • Saving your team time and money if you “Don’t Just Glue It!”

Three Strikes? Graco’s InvisiPac Mistake

This entry was posted in Packaging, Industries, Uncategorized, Articles on by .

Why does Graco continue to make mistakes regarding hot melt machinery used in the packaging industry?

Their latest mistake is the InvisiPac hot melt system. Graco looked at technology offered with the InvisiPac, thought it was “disruptive” and ran with it thinking that their machinery would be embraced by all in the packaging industry.

They could not have been more wrong.

This InvisiPac hot melt machine was designed with the extruder concept in mind using a very small hot melt tank to minimize the temperature exposure of hot melt adhesive. Graco called this technology “tankless,” which is untrue as it has a small high-powered reservoir.

While their concept was good, Graco did not see the coming of higher quality, low-cost hot melt adhesives that resist degradation in conventional hot melt reservoirs.

Please note that Nordson tried the same concept simultaneously with the Freedom Tankless system and backed away from it quickly when they saw that the market was not embracing the product.

Hot melt systems with tanks or reservoirs are the machines of choice in the industry. They will continue to be as they are simple, reliable and economical.

Turning back to Graco and its attempts to make inroads into the hot melt machinery industry, the company has a history of failed attempts. For instance, Graco partnered with Viking, a company with an off-brand hot melt machinery  10 years ago to offer the Titan hot melt machines. These Titan machines had severe limitations and were of low quality. Graco would go onto to abandon the Viking/Titan partnership and product line, leaving many of their customers completely unsupported.

An additional example is when over 30 years ago Graco purchased a quality manufacturer of hot melt machinery called LTI. They quickly updated the product lines offered and made an attempt at taking away market share from Nordson. Even with reasonably good products, they realized that they could not quickly overtake the hot melt machinery industry and sold the company to ITW in 1992.

With their latest offering, InvisiPac, we wonder what Graco’s next foray into the hot melt machinery business will be?

All we have to say is, “Buyer beware” when it comes to smaller hot melt machines from Graco.

December Glue Talk

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At Glue Machinery Corporation, we understand the world of industrial adhesives can be daunting. Many of our customers ask adhesive-related questions ranging from requests for product overviews to seeking industry best practices. We want to this information with you through our monthly content series, Glue Talk: Answers to Your Questions About All Things Adhesive.

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November Glue Talk

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At Glue Machinery Corporation, we understand the world of industrial adhesives can seem daunting, prompting our customers to send us questions about problems they’d like answers to. These problems range from requests for product overviews to seeking industry best practices. Rather than keep all this information to ourselves, we thought, “Let’s do our Glue Diligence®” and share it with you through our monthly content series, Glue Talk: Answers to Your Questions About All Things Adhesive.

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Glue Machinery Hot Coat™ & Datco Basic Roll Series Comparison

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Hot Melt Roll Coaters are used to apply thermoplastic resin to the bottom of materials manually drawn over the roller.

We thought it is important to offer a comparison between the Glue Machinery Corporation Hot Coat™ and the Datco Basic Roll Series hot melt roll coater. We’ll let you decide which machine you want in your industrial application as there are stark differences.

Hot Coat™ 7 Hot Melt Roll Coater

Glue Machinery Corporation Hot Coat 7 Hot Melt Rollcoater







Datco Basic Roll Series






How These Products Compare

  • The Hot Coat™ is much more ergonomic than the Datco Basic Roll Series as the roller is easily accessible from all sides
  • The Hot Coat™ offers much more precise glue patterns for higher quality production than the Datco Basic Roll Series
  • The Hot Coat™ is a much more durable with oversized variable speed drive motor requiring far less maintenance than the Datco Basic Roll Series
  • The Hot Coat™ is a much safer unit than the Datco Basic Roll Series as the majority of the heated surfaces are under-insulated steel panels

Why the Hot Coat™ 7 Hot Melt Roll Coater Excels Over the Datco Roll Series:

  • The Hot Coat™ footprint is much smaller as the motor is under the roller
  • It’s a heated roller vs. a non-heated roller
  • Has a variable speed drive vs. a constant speed drive
  • Is a 95 lb machine vs. a 40 lb machine
  • Has a large drive motor vs. a small drive motor
  • Has a 5-10 lb per hour melt rate vs. a less than 5 lb per hour melt rate
  • Capable of micrometer adjustable coating vs. fixed doctor blade with limited adjustably
  • Possesses a small footprint vs. Large footprint
  • Has a metal housing over insulation vs. exposed hot surfaces with a cheap insulation blanket
  • Contains two heated zones vs. one heat zone
  • Is fast heating vs. very slow heating to a temperature

October Glue Talk

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At Glue Machinery Corporation we understand that navigating the world of industrial adhesives can seem daunting, prompting our customers to send us questions about problems they’re working on solving. These problems range from requests for product overviews to needing advice on industry best practices. Rather than keep all this information to ourselves, we thought, “Let’s do our Glue Diligence®!” Therefore, we’re excited to introduce our new monthly content series, Glue Talk: Answers to Your Questions About All Things Adhesive, that will frequently asked questions we’ve received and our responses.

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The Verdict is In On Tankless Hot Melt Systems…And It’s Not Good 

This entry was posted in Hot Melt Machinery, Packaging, Articles on by .

Two years ago, I wrote an article in Packaging Digest entitled “What the Makers of Tankless Hot-melt Systems Don’t Tell You.” In summary, this article suggested that “tankless” technology was yet to be fully embraced by the market due to various issues with its warm-up times, its ability to reduce space and save power, and its overall efficiency. I have since written a follow-up to the aforementioned article. It was originally called, “What Makers of the Tankless Tank Hot Melt Systems Have Found Out.” However, after attending Pack Expo in Las Vegas and, most recently, Pack Expo East in Philadelphia, I have no choice but to change the title.

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Hot Melt Adhesives and Electronics

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From the server that keeps your business website up and running to the smartphone that keeps you connected when you’re on the go to the handheld gaming device that keeps the kids entertained, electronics are a huge part of our everyday lives. And adhesives play a big role in helping ensure that the electronics we count on every day are long-lasting and ready to stand up to real-world demands we place on them.

Adhesives for Circuit Boards Must Do More Than Just Bond

In many industries — such as labeling and packaging — the job of an adhesive is to simply bond one material to another. But the electronics industry counts on adhesives to do much more than provide a strong seal between two substrates.

For example, one common consideration in the world of electronics adhesives is choosing an adhesive that can stand up to vibration. When affixing extremely delicate wiring to a motherboard or in other fragile circuit board situations, we would recommend using a hot glue adhesive to hold the component tightly in place without jeopardizing the overall quality or health of the electronics themselves — a process also known as potting or overmolding.

After using a hot melt adhesive to hold the electronic component in place, many electronics manufacturers opt to follow up with a neutral cure silicon rubber to create a long-term bond. While the hot melt glue creates a great short-term solution for holding the component in place and resisting vibration for month or years, silicon rubber provides a bond intended to last decades when applied correctly.

Tools for Applying Adhesives Used in Electronics

Unlike other industries where manually applying adhesives with glue bottles or glue sticks may be an option, the electronics industry requires more automated solutions for more consistent application. Commonly used industrial glue machines for electronics, including hot glue guns, can help make quick work of the process. Additionally, professional-quality glue guns offer a precise application with fewer drips and strings that can easily damage sensitive electronic equipment.

Which Adhesives Do Your Electronics Application Require?

Deciding on the right adhesive for your electronics project doesn’t have to be a guessing game. Glue Machinery Corporation’s Glue Diligence program can help you determine the electronics adhesive that will work best for your specific electronics application. Whether you need a fully automatic solution or simply want to determine if there is a better hot melt glue for your needs, our glue experts can help you find the best consumables and equipment. Call us now at 888-202-2468 to find out more.

4 Traits To Look For In A Glue Machinery Partner

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Whether you’re in need of a comprehensive glue machinery solution for a brand new packaging line or are simply looking for an alternative adhesive, you’ll find that there’s no shortage of companies willing to do business with you. Yet how do you determine if a glue machinery supplier has what it takes to go beyond a one-time sale and actually become your long-term partner? Certainly, its pricing will be an important factor in your decision, but there are other things you’ll want to consider. When comparing vendor options, keep in mind the traits listed below. Continue reading

Polyurethane Hot Melt Adhesives: What You Need To Know

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When deciding what kind of adhesive to use for your manufacturing, packaging and labeling needs, you may consider a moisture-curing polyurethane hot melt (PUR) adhesive. With their high bond strength, polyurethane hot melts can be an attractive option for many different kinds of adhesive applications. However, polyurethane hot melts are not without their disadvantages as well. Let’s take a closer look at the pros and cons of using polyurethane hot melts for your particular adhesive needs. Continue reading

Bonding Foams With Hot Melt: Possible Or Impossible?

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Foam substrates provide a level of protection that other standard packaging materials don’t, offering a buffer between the product and the hazards it may encounter during the packaging, shipping and delivery process, and ensuring it arrives intact to the end user. However, when you’re using hot melt equipment to work with foam substrates, finding the right adhesive for your needs can be tricky. Thankfully, by making informed adhesive choices, you’ll be able to effectively use hot melts even when you’re working with foam. Here’s how: Continue reading

A Cost-Effective Alternative To 3M Corporation’s Adhesives

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When it comes to adhesives, there’s no doubt that 3M Corporation is a well-known name with an excellent reputation. However, if you’re looking for the most cost-effective adhesive for your product or packaging needs, you owe it to yourself to take a closer look at what Glue Machinery Corporation has to offer. Let’s explore some of the reasons that Glue Machinery Corporation’s adhesive offerings may be a better bet for your business than 3M’s offerings:

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Nordson’s Hot Melt Machinery: What Customers Need To Know

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If you’re in the packaging industry or are in the market for hot melt equipment, chances are you’ve come upon hot melt machinery manufacturer Nordson as part of your search. What you may not realize, however, is that just because Nordson is the biggest hot melt machinery supplier, doesn’t mean it is the best choice for you. Let’s take a closer look at why you should explore your options with Glue Machinery Corporation first. Continue reading

An Industrial Glue Gun: A General Contractor’s Best Friend

This entry was posted in Woodworking, Articles on by .

Every general contractor’s tool kit includes a hammer, saw, drill, tape measure, pliers and screwdriver. Another versatile tool to have around at all times: an industrial glue gun. Hot melt glue provides fast-setting bonds to hold the material in place prior to additional fasteners such as staples, nails, glue, caulks, mastics and grouts. Hot melt glue bonds to a wide variety of surfaces commonly seen on a construction site.

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The Trusted Name in Industrial Glue Guns for More Than 50 Years

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For over 50 years, Glue Machinery Corporation has been earning a sterling reputation for providing dependable, user-friendly and cost-effective industrial glue guns and adhesive equipment to manufacturers across a range of industries. We’ve worked with some of the world’s top manufacturers, including Toyota, NASA, 3M, Coca-Cola, Sherwin-Williams, and countless others, delivering products and solutions to meet their diverse hot melt and cold glue machinery needs. But it’s not just big manufacturers who depend on our products. We’re able to accommodate companies of all sizes!

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Common Ways Adhesive Machinery is Used in Automobile Component Production

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In automobile production, accuracy, dependability and repeatability are essential qualities that must be maintained throughout every step of the manufacturing process. In order to ensure a safe vehicle for the consumer, all components need to be produced to be stronger, more efficient and, simply, better. That’s why adhesive machinery plays such an important role in the automobile manufacturing process. High-performance adhesives are used in the assembly, bonding and sealing of all types of cars and trucks, helping ensure the vehicle meets the strictest quality standards.

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How Adhesive Machinery Is Used In Furniture Manufacturing

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Furniture manufacturers rely on hot melt equipment and other industrial adhesive machinery for a range of critical applications. From ensuring drawers are properly bonded to creating beautiful trim on all sorts of wooden furniture, adhesives are used for many different important purposes. The right adhesive machinery can help furniture manufacturers produce higher quality products in a more efficient manner, helping drive customer loyalty and boosting the bottom line.

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What You Need to Know about Adhesive Systems for Mailings and Postal Packaging

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The United States Postal Service has specific guidelines for folded mailers that must be followed by commercial senders. These standards, designed to prevent mailers from opening at the edges and jamming high-speed mail processing equipment, dictate that all folded mailers must be attached at three points. The traditional approach to doing this has been to use wafer seals that wrap around the edge of the material, a technique known as tabbing. However, tabbing with wafer seals is slow, costly and inconvenient, but fortunately, better options exist for sealing your mailers in accordance with the Postal Service’s regulations.

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Tankless Hot-Melt Systems: Way of the Future or Flash in the Pan?

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Tankless hot-melt systems seem to be the new darling of the packaging industry — everybody wants them. Many major packaging companies today are looking for alternatives to their conventional hot-melt systems with a reservoir, moving toward tankless options instead. But do you know why? Is there an actual value to the new trend, or is it just a passing fancy that will fade out of the market soon enough? Where is this newfound interest in the tankless trend coming from? Should you be switching over, too?

According to Nordson and Graco, manufacturers of the Freedom and Invisipac tankless systems, there are several key reasons for the tankless system’s current popularity. Let’s look at a few of their main claims and see whether or not they’re worthwhile:

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Adhesives and Adhesive Systems for Wine Packaging

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When it comes to wine packaging, the name of the game is using an adhesive that is strong, efficient and aesthetically pleasing. Wineries use adhesives and adhesive systems in a number of different ways including case erecting and sealing, bottle labeling, wax seals, and palletizing. Let’s take a closer look at each of these specific adhesive applications.

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50 Years and Going Strong!

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Over 50 Years ago – hot melt adhesives were introduced to the packaging industry.

Hot Melts revolutionized the packaging industry by allowing for the rapid closure and sealing of containers. Packaging companies using case erectors and sealers, as well as cartoning machinery, quickly embraced hot melt adhesives because of the obvious production benefits.

Hot Melt adhesives used in packaging are essentially low temperature plastics that set quickly with the loss of temperature. Most packaging hot melts bond well to paper based substrates used in packaging such as corrugated.

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