Glass packaging. Screw finishes. Depressed threads Ingestion-build-64721 BS EN 1640 should be

BS EN 1640 should be used in conjunction with the standard applicable to dental instruments

GRN for granules and BPS for broken pieces)

etc) and Coastal waters (TraC waters) throughout Europe

What is BS EN 10025‑4 about

BS 3641-3 specifies basic designs for symbols intended for use on machine tools

Glass packaging. Screw finishes. Depressed threads Ingestion-build-64721 BS EN 1640 should be1 Scope This European Standard specifies the profiles of thread for all the screw neck finishes for metallic, plastic and metallo plastic closures. The depressed threads could be used on continuous thread finishes to reduce the thread depth at and adjacent to the mould parting line. Depressed threads are only used on 28 mm Roll On Pilferproof (ROPP) type finishes where the closure is formed on the neck finish.