PKG101_FS08_Metal_Pkg_-_Outline

PKG101_FS08_Metal_Pkg_-_Outline - Metal Packaging Invention...

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Unformatted text preview: Metal Packaging Invention of Canning • 1809 – Appert- “Sealed cooking” process- Glass bottles (Jars)- Cork hammered into neck of bottle- Secured by twisted wire • Fruit • Vegetables • Meat Canning (Con’t) • Product cooked in bottle • Hot water bath • Oven • Process worked, prize was awarded • Glass was unsatisfactory Breakage during transport • More research was needed Development of Metal Cans • 1810 - Durant (English) – Tin canister • Top and bottom soldered – Lead contamination • Health problems Other Problems with Durant’s Process • Can closing was slow and difficult – Corrosion – Leaks – Other quality problems • Cans “blew open” during cooking – Thermal expansion of contents – No way to relieve pressure Gail Borden • Borden used the slogan, "Milk from contented cows” • Borden's canned milk reduced infant mortality, creating a very positive image for canned food. Eagle Brand milk Bordens evaporated milk Metal advantages • Highest temperature tolerance • Highest physical strength • More durability • Excellent barrier – Light – Water – Gases • Operational advantages – Faster filling lines Metal remains material of choice for 12 oz. beer, soups, canner fruits and vegetables. US and other countries Metal Package Types • Common package forms – Food cans – Beverage cans – Decorative gift packages • Less recognized forms – Drums, pails, closures, trays, racks, pallets, strapping – Foil, metalization Types of Cans • Three piece- Top (end)- Bottom (end)- Body (Sidewall) with seam • Two piece –- Top (end) –- Combined body & bottom Materials • Name “Tin Can” is a misnomer • Cans are primarily low-carbon steel, not tin • Steel is coated with a very thin layer (.000015 inches) of other materials (sometimes tinplate) to prevent corrosion Tin-Plate Coating to Steel • Originally tinplate was applied by melting tin and dipping the steel into it • This produced a very thick layer of tin that was equal in thickness on both sides of the steel • The original term was probably “tinned can” Tin Plate to Steel (cont.)Tin Plate to Steel (cont....
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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_FS08_Metal_Pkg_-_Outline - Metal Packaging Invention...

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