by applying heat or pressure, e.g. by welding

Full Title

Making rigid or semi-rigid containers, e.g. boxes or cartons > Uniting opposed surfaces or edges; Taping > by applying heat or pressure, e.g. by welding

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER

Subclass:

MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER

Child Classifications

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• B31B 50/66 by high-frequency electric heating