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Heal Seal
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Perfect
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Impulse Seal
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Heat Seal Jaws and
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TOSS - The Optimum
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Heatseal Jaws and Jaw Bar Preparation
Heat seals can be made in various lengths and configurations. This presents the next challenge because the perfect seal must be uniform throughout its entire length whether it be a millimeter or several meters. This brings us to the need for absolutely uniform force applied to the length of the seal.

In the course of working through hundreds of applications it has become clear that the best heatseal jaw bars are aluminum bars with a generous cross-section. Because a perfect seal is not made until the seal is cool it is helpful to use massive jaw bars with a high specific heat so that the bars can absorb the residual heat during the cooling cycle. In the case of short bars this is not a big problem because the bars can machined to be flat and true. Long bars present a different situation because in spite of best efforts the commercial tolerances are not sufficient to assure uniform force and machining is more difficult.

TOSS has resolved this issue by having aluminum jaw bar custom extruded to the closer tolerances required. Further care is employed by providing a self-adhesive silicone rubber facing that is adhered to the relieved area on the face of the jaw bar, beneath the Heatseal Band. Also, in certain applications, cooling water can be supplied to the jaws to accelerate the cooling cycle.

The jaw bar is also designed to receive specially designed, insulated, and spring loaded jaw end blocks that automatically assure that the heatseal band is properly positioned and tensioned when a replacement heatseal band is installed.

TOSSTechnology is the means to achieve cutting and sealing perfection. It is also referred to as the The Optimum Sealing System because it is in fact a complete system that is comprised of many components.

The components include:

  • Free System Design & Sample Service
  • Calibration & Validation service and aids
  • Ropex Controllers
  • Power Transformers
  • Current Sensing Transformers
  • Precision Heatseal Jaw Bars & Platens
  • Twisted Pair Detection Wires
  • Jaw end kits for Heatseal Band tensioning
  • Over 300 sizes and shapes of Heatseal Bands
  • Custom contour bands for shaped seals and cut-outs
  • Insulating materials
  • Silicone rubber jaw facings
  • Power Line Filters
  • Design & Samples

The selection and installation of a The Optimum Sealing System begins with the development of the ideal parameters for sealing the selected materials. Once the optimum parameters are established in the Toss laboratories using client supplied materials it is relatively easy to establish the power requirements and the required components for the system. Sample seals are sent to the client for approval and a recommended system can be proposed. For commonly used materials the sampling process may not be needed.

For more information, request a FREE copy of the booklet,
“9 Steps to Heatsealing Perfection”...
CONTACT: TOSS Machine Components, 539 S. Main Street,
Nazareth, PA 18064 610-759-888 info@tossheatseal.com
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Phone: 610-759-8883 | Fax: 610-759-1766