CHAPTER 7
DEFECT CATEGORIES

---

• 7.1 METAL PLATE  MANUFACTURING DEFECTS (PDF (660 kb))
  • 7.1.1 LAMINATED PLATE
  • 7.1.2 PIN-HOLE
  • 7.1.3 PLATE STAIN
  • 7.1.4 WELD JOINT
• 7.2 COATING APPLICATION DEFECTS  (PDF (965 kb))
  • 7.2.1 COATING DRIP
  • 7.2.2 COATING SKIPS
  • 7.2.3 FOREIGN PARTICLES IN COATING
• 7.3 CAN BODY MANUFACTURING DEFECTS (PDF (3,140 kb))
  • THREE PIECE SOLDERED
    • 7.3.1 ACID SALTS CORROSION
    • 7.3.2 COLD SOLDER
    • 7.3.3 DISTORTED REFORM RIDGE
    • 7.3.4 EXCESSIVE SOLDER
    • 7.3.5 FLUX STAINS
    • 7.3.6 INSUFFICIENT SOLDER
    • 7.3.7 INVERTED INSIDE COATING
    • 7.3.8 MIS-LOCKED SIDE SEAM
    • 7.3.9 MIS-NOTCH
    • 7.3.10 NECKED-IN-CAN
    • 7.3.11 NOTCHER TRIM STILL ATTACHED
    • 7.3.12 OFF-REGISTER BODY BLANK COATING
    • 7.3.13 OPEN OR WEAK LAP
    • 7.3.14 OUT OF SQUARE BODY
    • 7.3.15 SOLDER PELLETS
    • 7.3.16 TURNED BACK LAP
  • THREE PIECE WELDED
    • 7.3.17 BURNED WELD
    • 7.3.18 OPEN WELD
    • 7.3.19 TURNED CORNER
  • TWO PIECE INTEGRAL END
    • 7.3.20 FLANGE BURRS
    • 7.3.21 FLUTED BODY
    • 7.3.22 FRACTURED BOTTOM PROFILE
    • 7.3.23 INCOMPLETE BOTTOM PROFILE
    • 7.3.24 MALFORMED ABUSE BEAD
    • 7.3.25 SCRAP-IN-DIE MARKS
    • 7.3.26 WRINKLED FLANGE
  • OTHER CAN BODY DEFECTS
    • 7.3.27 COATING INSIDE OUT
    • 7.3.28 DOUBLE BODY
    • 7.3.29 INCOMPLETE FLANGE
• 7.4 CAN END MANUFACTURING DEFECTS (PDF (884 kb))
  • 7.4.1 BURRS ON CURL
  • 7.4.2 DOUBLE END
  • 7.4.3 EXCESSIVELY WEAK OR DEEP SCORELINE
  • 7.4.4 FAULTY SEALING COMPOUND
  • 7.4.5 INCOMPLETE CURL
  • 7.4.6 PULL TAB RIVET FRACTURE
  • 7.4.7 SCRAP-IN-DIE MARKS
  • 7.4.8 WRINKLED CURL
• 7.5 DOUBLE SEAM DEFECTS (PDF (3,662 kb))
  • 7.5.1 BROKEN CHUCK
  • 7.5.2 CLINCHED ONLY
  • 7.5.3 CUT OVER
  • 7.5.4 CUT DOWN FLANGE (C.D.F.)
  • 7.5.5 DROOP
  • 7.5.6 FALSE SEAM
  • 7.5.7 FRACTURED SEAM
  • 7.5.8 INSUFFICIENT OVERLAP
  • 7.5.9 JUMPED SEAM
  • 7.5.10 KEY TAB NOT TUCKED
  • 7.5.11 KEY TAB SEAMED TO INSIDE
  • 7.5.12 KNOCKED-DOWN CURL (K.D.C.)
  • 7.5.13 KNOCKED-DOWN END (K.D.E.)
  • 7.5.14 KNOCKED-DOWN FLANGE (K.D.F.)
  • 7.5.15 LOOSE SEAMS
  • 7.5.16 NO SECOND OPERATION
  • 7.5.17 PLEATS
  • 7.5.18 PUCKER
  • 7.5.19 SEAM INCLUSIONS
  • 7.5.20 SIDE SEAM DROOP
  • 7.5.21 SPINNER
  • 7.5.22 VEE
• 7.6 OTHER MANUFACTURING DEFECTS (PDF (562 kb))
  • 7.6.1 MISEMBOSSING
  • 7.6.2 OVERFILL, FLIPPER, SPRINGER AND SWELL
  • 7.6.3 PANELLING
  • 7.6.4 PEAKED CAN
• 7.7 HANDLING DEFECTS (PDF (2,249 kb))
  • 7.7.1 ABRASION
  • 7.7.2 CHALKY SIDE SEAM
  • 7.7.3 CORROSION
  • 7.7.4 CRUSHED
  • 7.7.5 CUT SEAM
  • 7.7.6 DAMAGE TO SCORELING/PULL TAB
  • 7.7.7 DAMAGED COATING
  • 7.7.8 DAMAGED CURL/FLANGE
  • 7.7.9 DENT
  • 7.7.10 DOUBLE SEAM DENT
  • 7.7.11 FOREIGN CONTAMINATION
  • 7.7.12 PUNCTURED
  • 7.7.13 SCORED

Next page: 7.1.1. Laminated Plate | Previous page: Chapter 6