%PDF-1.4 % This is a very common and inexpensive blister pack style if your volumes are high enough (25K 500K). Blister pack is a term for several types of pre-formed plastic packaging used for small consumer goods, foods, and for pharmaceuticals. ), choosing a blank diameter for circular pitch knurls is a bit more difficult and usually involves experimentation. Both have their limits and weaknesses. Blister packs are used to package products such as toys, hardware, medication, etc. Pharmaceutical blister packs are mostly closed by a push-through or peel-open lidding foil. In the US, blister packs are mainly used for packing physician samples of drug products or for over-the-counter (OTC) products in the pharmacy. Fold-Over Blister Card Fold-over blister cards utilize a folded hinged card allowing for both the front and back of the package to have maximum full-color printed billboard space. This approach is most ideal for medium to large machining projects that require shoulderless diameter* knurling. Manufacturers can use that to help make their products stand out on shelves. From safety precautions to single or double wheel knurling and knurling best practices, you can dive much deeper and continue your knurling research, This post may contain affiliate links. Blister packaging can easily be sealed using heat sealing machinery. Blister packaging is a cost-effective way of showcasing a product. This post may contain affiliate links. Always choose the materials that allow a wider range through the sealing window. It is commonly used on highly abrasive materials including high silicon aluminums. They commonly have a 30 helix angle. Diamond Pattern Tip: Traversing is not recommended when using diamond knurls. Inaccurate knurl patterns may look great but it has the highest chances of rupturing under pressure, either while sealing or after finishing. A fault in the machinery or format part might be the cause of it. Both of which are knurling processes achieved by pressing the knurl pattern into a round workpiece. This process creates small ridges along the surface of the metal object so that it can be easily handled or lifted. Ask about our contract packaging services! It completely blocks the passage of light and entry of unwanted odours. On a wider web, use a slightly larger knurl to allow some places for the entrapped air to go. Plot No. Seal coating can be applied to the face or the back, depending on package requirements. It requires higher forces on the tool and holder to displace material. If a high surface finish is required, knurl forming is the way to go. This makes choosing a blank diameter easier. Selecting your sealing system. 1 Like AsifHussain(Md.Asif Hussain) October 16, 2018, 5:30pm 2 Knurling in the blister help in proper sealing of the blister and proper knurling prevent blister from leak test failure.Proper Knurling shows good blister quality. Robots handle sensitive parenteralia bags in pharma facility, PCR Content Popularity Gains on the Horizon. Here are some knurling categories you will have to work through in order to select the correct knurling tool. Bump Knurlers are used for holding knurl wheels to form a pattern or gripping surface on small- to medium-sized workpieces. The Global Pharmaceutical Blister Packaging Tooling market is anticipated to rise at a considerable rate during the forecast period, between 2022 and 2030. Similar to the face seal, this blister packs seal extends to the entire face of the card. Copyright 2021 Sepha. It is very strong, robust packaging and excellent for heavy products. Since trapped blisters do not use heat sealing, no expensive heat seal tooling is required. Another reason for knurling is to create a surface finish that will enhance grip. Description of Blister Pack - Jornen The card is then folded in half and sealed onto itself, so the product is essentially sandwiched between the two cards halves.