using pressure difference

Full Title

Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor > Belling or enlarging, e.g. combined with forming a groove > using pressure difference

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL

Subclass:

SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING