John Henry - Profile and Journalist Details

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Total articles 47

• How Security Seals Protect a Container’s Contents

  By John Henry| Packaging Digest Verified John R. Henry, Changeover.comWe’ve all been there. Take the cap off a bottle and we find a paper, plastic, or foil inner security seal. Many have pull tabs but, even so, they can be hard to remove and we may wind up using a fork or knife to cut it. These are “security seals” because they make it difficult to tamper with the product without leaving evidence. For many bottles, they are the primary seal. The cap is there for reclosability and to protect the seal on its way to the end user.

  By John Henry · Packaging Digest

  Apr. 02, 2025

• Mastering Screw-Cap Torque in Packaging Machinery

  By John Henry| Packaging Digest Verified Discover how various clutch mechanisms in screw-capping machines work together to achieve the perfect balance of closing and opening torque for optimal package integrity and consumer satisfaction. Screw-caps must be Goldilocks: Not too loose, not too tight, but just right. The capper must apply just the right amount of closing torque to ensure proper opening torque. Whether the capper uses a centered chuck or spinning side wheels, the clutch is key to getting this torque right.

  By John Henry · Packaging Digest

  Mar. 05, 2025

• How Security Seals Protect a Container’s Contents

  By John Henry| Packaging Digest Verified John R. Henry, Changeover.comWe’ve all been there. Take the cap off a bottle and we find a paper, plastic, or foil inner security seal. Many have pull tabs but, even so, they can be hard to remove and we may wind up using a fork or knife to cut it. These are “security seals” because they make it difficult to tamper with the product without leaving evidence. For many bottles, they are the primary seal. The cap is there for reclosability and to protect the seal on its way to the end user.

  By John Henry · Packaging Digest

  Apr. 02, 2025

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