Overview
EN ISO 9100-6:2005 is an international standard developed by CEN and ISO that specifies the precise dimensions and design requirements for vacuum lug finishes on wide-mouth glass containers. This part of the ISO 9100 series focuses specifically on vacuum lug finishes with nominal sizes of 53 mm and 58 mm regular. The standard ensures uniformity and compatibility in the manufacturing of glass containers used in packaging, particularly where vacuum sealing is involved.
The standard plays a critical role in packaging safety and effectiveness by defining the finish geometry to guarantee reliable vacuum sealing, cap removal, and overall container integrity. It complies with the CEN/CENELEC Internal Regulations and is mandatory for national standards bodies across many European countries.
Key Topics
- Scope: Specifies dimensions for vacuum lug finishes on 53 mm and 58 mm wide-mouth glass container finishes.
- Design Parameters: Details the finish geometry including thread profiles, cutter angles, diameters, and thread pitch.
- Vacuum Lug Finish Geometry:
- Defined by dimensions such as diameters "E" and "T", cutter angle (α), and thread parameters.
- Cutter profile and thread construction ensure proper vacuum sealing and cap engagement.
- Quality Requirements:
- Sealing surfaces must be free of defects like cracks, dips, or crizzles.
- Ovality of finish diameters should be minimized to maintain sealing efficiency.
- Concentricity between critical diameters for accurate closure function.
- Compatibility Guidance:
- Theoretical cam-off points to facilitate cap removal.
- Clear specifications for closure positions and minimum clearance for beads or other design features.
Applications
EN ISO 9100-6:2005 applies primarily to the glass packaging industry, focusing on containers such as jars and wide-mouth bottles that require vacuum sealing for food preservation, pharmaceuticals, cosmetics, and chemical products. Practical applications include:
- Packaging design and manufacturing: Ensures consistent production of glass containers with precise vacuum lug finishes that match closure systems.
- Quality control: Facilitates inspection and acceptance criteria during container fabrication.
- Supply chain compatibility: Harmonizes dimensions and sealing performance across manufacturers and end users.
- Vacuum sealing systems: Supports applications that depend on airtight seals to maintain product freshness and safety, including canned foods and beverages.
- Standardization in Europe: Mandatory harmonization for glass container producers ensures smooth cross-border trade and product reliability.
Related Standards
- EN 22768-1 (ISO 2768-1:1989) – General tolerances for linear and angular dimensions without individual tolerance indications. This standard complements EN ISO 9100-6:2005 by providing tolerance guidelines applicable to the glass container dimensions.
- Other parts of ISO 9100 series – Cover additional sizes and types of vacuum lug finishes to provide a comprehensive framework for various container and closure configurations.
- CEN/TC 261 Packaging standards – Broader packaging standards under which this standard falls, addressing materials and performance for diverse packaging applications.
Keywords: EN ISO 9100-6:2005, vacuum lug finishes, glass containers, wide-mouth jars, vacuum sealing, packaging standards, glass packaging, container dimensions, thread profile, sealing surface quality, cutter profile, European packaging standard, glass container manufacturing.