Knowledge Center

Knowledge Center

This section of our website is intended to provide general knowledge about can seam inspection and double seam defects.
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Double Seam Defects
Can Seam Dictionary
Can Seam Inspection

The Four Essential Requirements For Maintaining Your Double Seams

  1. Correct Tightness: The seam must be sufficiently tight to ensure the sealing compound is properly held under compression.

  2. Correct Body Hook & Cover Hook Length: The geometry of the seam as measured either mechanically or optically includes ensuring the cover and body hook are within the proper tolerance of length and engagement.

  3. Overlap: There must be sufficient overlap of the cover and body hooks to ensure an airtight seam.

  4. Other Critical Defects: No localized distortions in the seam such as droops, vees, pin lips, or seam fractures.

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