A manhole structure disposed on a wall of a tank that accommodates liquefied gas is provided with: a cylindrical manhole body section that is joined to the wall on which the manhole structure is disposed and that protrudes inward or outward from the wall; a manhole cover for closing the manhole formed by the manhole body part; and a melt joining section that joins the manhole main body section and the manhole cover.
配置于收纳液化气的罐的壁的检修孔构造体具有:筒状的检修孔主体部,其与配置有该检修孔构造体的壁接合,从该壁向内侧或外侧突出;检修孔盖,其封闭由检修孔主体部形成的检修孔;以及熔融接合部,其将检修孔主体部与检修孔盖接合。
Manhole structure, multi-layer shell tank, and ship
检修孔构造体、多层壳罐以及船舶
2024-11-26
Patent
Electronic Resource
Chinese
IPC: | B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES |