Blister packs are created by means of a form-fill-seal process at the pharmaceutical company or designated contract packer. A blister that folds onto itself is often called a clamshell. The knurling holder attaches to the lathe and has a cutting head that holds the knurl wheel in place. 0000005527 00000 n The reduction in thickness will result in an increase in WVT.[9]. 0000006698 00000 n Thermoforming Blister pack is a term for several types of pre-formed plastic packaging used for small consumer goods, foods, and for pharmaceuticals. Plate pressing type: Used for "dot sealing," more pressure is required from the machine to fully seal the blister to the backing since the blister packaging is flatter. Take Healthcare Packaging's supply chain quiz to prove your knowledge! 0000018381 00000 n Most pharmaceutical companies around the world rely on blister packs to guarantee theuniformity, purity, integrity, safety and stability of their products. Beveled edge wheels are best for forming operations. 3/4 Diam, 90 Tooth Angle, 30 TPI Straight Knurl Wheel. Email: 2023 Accupack. Once the knurl wheel has reached the depth, it will take several revolutions to complete the knurling operation. Robots handle sensitive parenteralia bags in pharma facility, PCR Content Popularity Gains on the Horizon. All-Paper Blister Made completely of paper - including the blister - more of the package surface is available for full-color printing. Blister packs are useful for protecting products against external factors, such as humidity and contamination for extended periods of time. In 2021, the market is growing at a . For example, a beveled knurl wheel has a blunt leading edge therefore requiring higher forces on both the tool and holder. Understanding the factors affecting the seal integrity in heat sealed Physical Properties. Cyclic olefin resins are generally amorphous and are noted for good thermoforming characteristics even in deep cavities, leading some to use COC in blister packaging as a thermoforming enhancer, particularly in combination with semicrystalline resins such as PP or PE.

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