Tamper proof and safety seal inspection

Detect safety seal defects and limit product recalls

3D laser displacement sensor inspects safety seal on vitamin bottle

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3D-L4000 with VisionPro product photo

3D-L4000 with VisionPro

3D laser displacement sensor with PC-based development environment

Machine Vision

Manufacturers can speed production, minimize defects and reduce costs with machine vision technologies

Tamper proof packaging has become a universally adopted safety measure in the consumer packaged goods (CPG) industry to limit product recalls. Tamper-evident seals, rings, and sachets guarantee the quality and freshness of a product to customers, as well as provide a level of security to manufacturers. Intact tamper technology conveys the safety and trustworthiness of a finished product, but production errors can occur in the final sealing stages of primary packaging, affecting safety seals. Normal wear and tear of production machines make it nearly impossible to manufacture 100% defect-free products, so a quality control and detection process becomes essential to keep those products from leaving the line and reaching the market.

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Machine vision systems detect defects and verify package integrity through accurate and repeatable inspection. 3D laser displacement sensors ensure that the safety seal covers the entire opening, is free of bubbles or wrinkles around the rim, and does not exhibit any holes or punctures. Machine vision technology detects safety seal edges and measures the height, width, relative position, and gap size (if present), comparing them to the programmed limits. Tamper seal dimensions which do not comply with programmed limits are rejected, limiting risk of product recalls.

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