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12 Cards in this Set
- Front
- Back
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Metal cans are classified by
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SMALL DIAMETER FINISHES NEED EXTRA THREADS PER INCH AND MORE CLOSURE TO FINISH CONTACT FOR FRICTION=CLOSURE TORQUE RETENTION
NO E DIMENSION ONLY FOR METAL TUBES NO. 12, 16, 20, 28…..SEE ATTACH SLIDE FOR DETAILS ALSO METAL TUBES ALLOW FOR ‘BLIND END’ FINISHES SIZE DECORATION SEAMING TECHNIQUE MARKET OR MARKETS COATING METHOD |
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Dimensioning of Can
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OVERALL DIAMETER X OVERALL HEIGHT, PAGE 168
EACH DIMENSION IS IN THREE DIGITS FIRST DIGIT IS IN WHOLE INCHES SECOND DIGIT REPRESENT 16THS OF AND INCH FOR EXAMPLE, A 307 X 314 = 3 7/16 X 3 14/16 INCH |
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Cans two piece
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Al and steel AL....move to steel, cost...
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2 technologies to make a 2 piece
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DRAWN AND IRON [DI]
DRAWN AND REDRAWN [DRD] DRAWN AND IRONED [DI] CARBONATED BEV CANS-INTERNAL PRESSURE SUPPORTS THIN WALLS SIDE WALL THICKNESS VARIES, AL DRAWN AND REDRAWN [DRD] SIDE WALL THICKNESS DOES NOT VARY, THICKER WALLS OVER THE DI, STEEL AND AL NOTE: THE STEEL CANS USED TO BE SHORT, TUNA FISH. MOVE TO TALLER CANS, SOUP. NEXT CARBONATED BEVERAGES LIKE UK. |
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3 piece cans info
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THREE PIECE CANS HAVE MORE DESIGN ELEMENTS VS TWO PIECE CANS
SIDE SEAM BOTTOM PIECE MADE IN THREE PIECES BODY TWO ENDS AL – TOP, EASY OPEN FEATURE |
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Types of Steel material used for can construction 2
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ECCS- ELECTROLYTIC CHROME COATED STEEL
ECCS IS OFTEN CALLED TFS [TIN FREE STEEL] THIS IS ALSO CALLED BLACK PLATE. TIN PLATE STEEL COATED WITH PURE TIN, ELECTROLYTICALLY TIN-PLATED NOTE: SOME STILL CALL THIS A ‘TIN CAN’. TODAY, THERE IS NO SUCH THING AS AN ALL TIN CAN. |
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joining sides of 3 piece
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SOLDER
CEMENTING WELDING MECHANICAL CLINCH |
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SOLDER
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HIGH LEAD CONTENT
NOT USED FOR FOODS [98%LEAD/2%TIN] WIDE AREA IS NOT DECORATED ALONG SIDE SEAM CHEAP METHOD TO SIDE SEAM CANS |
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CEMENTING
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VERY WEAK SIDE SEAM
USED MOSTLY FOR POWDER PRODUCTS |
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WELDING
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USED FOR ALL FOODS
[EXCEPTION: POWERS MIGHT USE CEMENTING |
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CAN ENDS FOR BOTH THREE AND TWO PIECE CANS
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STEEL
SEE GRADES NOTED BELOW IN CAN BODY, THICKNESS MAY VARY AL-MANY GRADES, PAGE 165 SOFTER 5182 ALLOY FOR CAN ENDS 3004 ALLOY ARE USED FOR CAN BODIES |
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COATINGS [ENAMELS]
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ALL CANS HAVE INSIDE AND OUTSIDE COATINGS
BAKED ON COATINGS TO REMOVE CARRIER [ORGANIC SOLVENT] …POLYMER BASED EVERY PRODUCT HAS A CUSTOM INTERIOR DESIGNED COATING, PAGE 168, TABLE 7.4 ALSO, THREE PIECE STEEL HAVE AN EXTRA INSIDE COATING ALONG THE WELD SEAM – LOTS OF MELAL NEEDS SPECIAL ATTENTION |
