PKG101_SS08_WK8__Tubes_-_Outline

PKG101_SS08_WK8__Tubes_-_Outline - TUBES Invention Portrait...

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TUBES
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Invention Portrait artist – looking for a better container for his oil colors Paint dried out Hollow roll of lead, crimped on side Crimped one end Squeezed/pounded flat to seal Crimped open end
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History In 1895, toothpaste first offered to the public in tubes Pharmaceuticals Dental products Cosmetics Household products
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Metal Tubes Three types: Tin Lead Aluminum
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Lead Tubes (cheapest) Non - food Non - pharmaceutical Seldom used today Toxicity Lubricants Paints
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Tin Tubes (most expensive) Non - reactive Expensive Eye ointments
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Aluminum Tubes Most common metal tube in use today Non - reactive Easiest tube to print Cosmetics Food Pharmaceuticals
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Advantages of Metal Tubes Collapse when squeezed Stays collapsed - best dead fold properties Roll up from bottom Indication of remaining contents Controlled dispensing Little waste Sanitary No backflow (suck back)
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Advantages of Metal Tubes Portable Unbreakable Range of sizes Empty completely Can be resealed
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Metal Barrier Protection Oxygen Moisture Contamination Loss of flavor
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This note was uploaded on 02/09/2009 for the course PKG 101 taught by Professor Haroldhughes during the Spring '08 term at Michigan State University.

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PKG101_SS08_WK8__Tubes_-_Outline - TUBES Invention Portrait...

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