Package integrity Trình trạng đóng gói bao bì trong sản xuất sữa

Package Integrity Technical Service Field Service Quality Assurance Package Integrity Technical Service Field Service Quality Assurance TBA Packaging Material Technical Service Field Service Quality Assurance TBA Wide/jl Packaging Material Technical Service Field Service Quality Assurance The Tetra Brik Sealing inside TS Transversal Seal LS Longitudinal Seal outside Technical Service Field Service Quality Assurance Longitudinal (LS) strips Technical Service Field Service Quality Assurance PPP / MPM Strip Technical Service Field Service Quality Assurance Longitudinal seal and products Technical Service Field Service Quality Assurance Conductivity Test Technical Service Field Service Quality Assurance Conductivity Test Technical Service Field Service Quality Assurance Transversal Seal Examples (4) Technical Service Field Service Quality Assurance Longitudinal Seal Teardown Technical Service Field Service Quality Assurance Longitudinal Seal Teardown Technical Service Field Service Quality Assurance Longitudinal Seal Teardown The seal is acceptable since one of the two inner coatings comes off with the strip, leaving a ruptured edge along the seal The seal is acceptable since the strip delaminates (separates) when ir is pulled off The seal is acceptable since both inner coatings come off with the strip, leaving the Alu-foil bare The seal is acceptable since all the inner coatings including the Alu-foil come off with the strip, although leaving paper board fibres The seal is defective if the strip comes off leaving the inner coatings of the package unaffected Technical Service Field Service Quality Assurance Defective Longitudinal Seal Technical Service Field Service Quality Assurance Ink Test Longitudinal Seal Technical Service Field Service Quality Assurance Leaking Longitudinal Seal Technical Service Field Service Quality Assurance Pull Tab Technical Service Field Service Quality Assurance Pull Tab Test Method Technical Service Field Service Quality Assurance Pull Tab Test Result Technical Service Field Service Quality Assurance Pull Tab Seal Technical Service Field Service Quality Assurance Package defects Outer PE Paper Board Lamination PE Aluminum Foil Inner PE1 Inner PE2 Scratch through the inner PE layer (2) Scratch through both inner PE layers (1 + 2) Crack/hole in the aluminium foil Crack/hole through both inner PE layers and the aluminium foil Crack/hole through both inner PE layers, aluminium foil and the lamination PE Without moisture penetration Crack/hole through both inner PE layers, aluminium foil and the lamination PE With moisture penetration Scratch through outer PE layer Technical Service Field Service Quality Assurance Risk for unsterility Outer PE Paper Board Lamination PE Aluminum Foil Inner PE1 Inner PE2 Fault Tear Down Conductivity Test Test ? Negative ? Dye Test Explanation of Risk for Unsterility unsterility Negative NO NO Positive Negative NO NO Positive Negative Negative NO NO Positive Positive Negative NO YES Positive Positive Positive NO YES Positive Positive Positive YES YES Negative Negative Negative NO NO Technical Service Field Service Quality Assurance Package Integrity Evaluation Non destructive tests Start Packaging material splice LS strip splice Patch strip splice Tab strip splice Shape and bottom creases Printing Weight Tab (PullTab) Technical Service Field Service Quality Assurance Package Integrity Evaluation Destructive tests Start Packaging material splice LS strip splice Patch strip splice Tab strip splice Flaps Crease lines Overlap Cut open Hole position (PullTab) Patch (PullTab) Tab (PullTab) TS LS Technical Service Field Service Quality Assurance [...]... seal During sealing PE lumbs are pressed inside the transversal seal Technical Service Field Service Quality Assurance Transversal Seal Good sealing (1) PE Film is stretched along the seal Sealing is stronger than packaging material Technical Service Field Service Quality Assurance Transversal Seal Good sealing (2) Breakage inside the packaging material Watch the paper fibres along the seal Technical... previous examples Technical Service Field Service Quality Assurance Transversal Seal Good sealing (5) Cross section of transversal and longitudanal seal is broken inside the packaging material Sealing is stronger than packaging material Technical Service Field Service Quality Assurance Transversal Seal Bad sealing (1) No breakage of PE film and/or packaging material layers The seal is weaker than the packaging... acceptable since all the inner coatings including the Alu-foil come off with the strip, although leaving paper board fibres The seal is defective if the strip comes off leaving the inner coatings of the package unaffected Technical Service Field Service Quality Assurance Defective Longitudinal Seal Technical Service Field Service Quality Assurance Ink Test Longitudinal Seal Technical Service Field Service