using pressure difference, e.g. by injection or by vacuum

Full Title

Shaping by internal pressure generated in the material, e.g. swelling or foaming > Component parts, details or accessories; Auxiliary operations > Feeding the material to be shaped > into a closed space, i.e. to make articles of definite length > using pressure difference, e.g. by injection or by vacuum

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