A tube infrastructure according to the present invention includes a first tube; a second tube that is coupled to the first tube; and a fluid tank that is disposed to surround a coupling region of the first tube and the second tube and is filled with a fluid to seal the coupling region, wherein the fluid tank allows negative pressure to be maintained inside the first tube and the second tube.
TUBE INFRASTRUCTURE WITH VACUUM PRESSURE
RÖHRENINFRASTRUKTUR MIT VAKUUMDRUCK
INFRASTRUCTURE DE TUBE À PRESSION À VIDE
2022-12-28
Patent
Electronic Resource
English