Forming & IS machine
NNPB
Narrow Neck Press and Blow — a forming process using a plunger to form the parison; standard for lightweight beverage containers (returnable beer, lightweight wine).
How Lean Glass works with this
In an audit or engagement.
This term appears across our hot-end audits, forming audits and Job Change Tool work. If you would like to discuss how it shows up in your plant, book a call — every engagement begins with an operational diagnostic, not a sales pitch.
Related terms
Read next.
Plunger
On press-and-blow, the plunger presses the gob to form the parison. Plunger setup is the highest-leverage variable in PB and NNPB processes.
BB (Blow-and-Blow)
Traditional process — gob is settled and counter-blown into a parison in the blank mould, then transferred and final-blown in the blow mould.
PB (Press-and-Blow)
Press-and-Blow (wide-mouth) — used for jars and wide-mouth containers; plunger forms the parison.
30-minute call with a senior practitioner.
Bring a problem — leave with a direction.