Reshaping combined with uniting or heat sealing, e.g. making vacuum bottles

Full Title

Re-forming shaped glass > Re-forming tubes or rods > Reshaping combined with uniting or heat sealing, e.g. making vacuum bottles

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

GLASS; MINERAL OR SLAG WOOL

Subclass:

MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL