METHOD FOR WELDING CAP

METHOD FOR WELDING CAP

PROBLEM TO BE SOLVED: To prevent the floating of a cap in a tack welding and to excellently and tightly close a vessel. SOLUTION: In a method by which a cap engaged in the opening of the vessel is welded, the tip part of a welding groove provided at the periphery of the cap is made thinner than the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KOYASU TAKESHI, MAEKAWA HIROMICHI, YAMADA MINORU, TEJIMA AKIO
Format: Patent
Sprache:eng
Schlagworte:
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To prevent the floating of a cap in a tack welding and to excellently and tightly close a vessel. SOLUTION: In a method by which a cap engaged in the opening of the vessel is welded, the tip part of a welding groove provided at the periphery of the cap is made thinner than the bottom part and a plurality of positions along the periphery of the tip part are tack welded to the vessel.