WELDED DECK SEAM SKIN PONTOON INTERNAL FLOATING ROOF

An internal floating roof for a storage tank includes a rim, a first plurality of girders, including a first girder, a second plurality of girders, including a second girder, a deck sheet, a first cap channel, a second cap channel, and a pontoon coupled to the first girder. The first plurality of gi...

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Bibliographic Details
Main Authors Johnston, Timothy Kyle, King, Richard Paul, Kaminski, Michael Joseph
Format Patent
LanguageEnglish
Published 03.05.2018
Subjects
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CLADDING OR PLATING BY SOLDERING OR WELDING
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
HANDLING THIN OR FILAMENTARY MATERIAL
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
STORING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:An internal floating roof for a storage tank includes a rim, a first plurality of girders, including a first girder, a second plurality of girders, including a second girder, a deck sheet, a first cap channel, a second cap channel, and a pontoon coupled to the first girder. The first plurality of girders extend in a first direction across the rim, wherein the first plurality of girders comprises a first girder. The second plurality of girders extend in a second direction, cross-wise to the first direction. The deck sheet is disposed on a first top surface of the first girder and a second top surface of the second girder. The first cap channel is coupled to a first top channel of the first girder. The first cap channel comprises a first foot configured to press a first edge of the deck sheet against the first top surface of the first girder. The first foot is welded to the deck sheet along a first length of the first cap channel. The second cap channel is coupled to a second top channel of the second girder, wherein the second cap channel comprises a second foot configured to press a second edge of the deck sheet against the second top surface of the second girder. The second foot is welded to the deck sheet along a second length of the second cap channel.
Bibliography:Application Number: US201715796492