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Over 30 Body Armor Manufacturers Use Sonobond Equipment

20 Dec '11
6 min read

Sonobond Vice President, Melissa Alleman, is the first to agree that failure is not an option when it comes to products designed to protect military personnel and police officers of all types. She says, “At Sonobond, we're proud that our technology has been proven to have the exceptional reliability so essential in assembling ballistic vests to help keep these brave men and women safe. Those serving in the armed services, Secret Service agents, members of the CIA and IRS, emergency responders, and law enforcement officers in a wide variety of capacities, wear body armor at various times. And two Sonobond machines—the SeamMaster™ High Profile Ultrasonic Bonder and the SureWeld™ 20 Ultrasonic PlungeBonder™—are assisting manufacturers in complying with the increasingly tough National Institute of Justice standards that now require ballistic vests to be waterproof even after submersion for 30 minutes. In fact, over 30 body armor manufacturers have been so impressed with the speed, dependability, and performance of our ultrasonic bonding technology that they've made our equipment a critical part of their assembly process.”

Sonobond to Exhibit at the 2012 SHOT Show

Those interested in how ultrasonic bonding equipment is used to assemble body armor are encouraged to visit Sonobond at the 2012 Shooting, Hunting, Outdoor Trade Show (SHOT) in Las Vegas, January 17-20. Vice President Alleman explains, “Sonobond will be sharing space with Brookwood Companies, a leading and highly respected supplier of quality textiles for a wide variety of applications, including body armor. Show attendees are encouraged to come to their exhibit—Booth # 14679—on Level 2 of the Sands Expo & Convention Center. We will have one of our SeamMaster™ High Profile bonders on hand. We will also be very glad to discuss the ways our ultrasonic bonding technology can be applied to specific manufacturing situations. All Sonobond equipment uses ultrasonic energy. And both the SeamMaster™ High Profile Bonder and the SureWeld™ 20 PlungeBonder™ reliably seam and seal synthetic materials in just one pass. They do this without stitching, heat-sealing, or adhesives.”

A Fast, Dependable Way to Seal the Outer Shell of Ballistic Vests

Sonobond's SeamMaster™ High Profile Ultrasonic Bonder features a rotary system for rapid sealing, sewing, and trimming of synthetic fabrics. Its production speeds are up to four times faster than conventional sewing machines and ten times faster than adhesive methods. Fraying or unraveling of bonded edges and seams are virtually eliminated.

Similar in appearance to traditional sewing machines, the SeamMaster™ High Profile Bonder features a large wheel with a high clearance above the bench to provide fast, easy access for bulky materials and hand-guided operations. As a result, this Sonobond ultrasonic bonder is ideal for sealing the outer nylon shell of body armor to protect the ballistic-resistant material inside. Seams bonded by this machine are so perfectly fused and sealed that they pass the current National Institute of Justice (NIJ) submersion tests imposed by NIJ- 0101.06. These latest standards for wet conditioning require protection from submersion for 30 minutes, rather than protection from a spray shower.

Ms. Alleman says, “One leading manufacturer of body armor told us they improved the output of their ballistic panel assembly process by approximately 25% by using our SeamMaster™ High Profile Ultrasonic Bonder. These machines are available in modular form for convenient integration into production lines. And, like all Sonobond equipment, the SeamMaster™ Series is easy to operate with only minimal training.”

Attaching Straps to the Outer Shell of Body Armor

Sonobond offers another machine that makes the assembly of body armor faster, easier, and more cost-effective. The SureWeld™ 20 PlungeBonder™ is powerful and able to seal large, multiple-layer or difficult-to-bond materials. It has custom tooling that makes it ideal for ultrasonically bonding coated synthetic straps within the seam of a ballistic vest's outer shell. This is done without compromising the integrity of the ultrasonically sealed outer shell. The bond is made in one pulse without stitching, heatsealing, or adhesives. The entire process is energy-efficient and environmentallyfriendly.

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