by liberation of internal stresses, e.g. plastic memory

Full Title

Surface shaping, e.g. embossing; Apparatus therefor > by liberation of internal stresses, e.g. plastic memory

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