Cold-formed tank head for railroad tank car

A new method of manufacturing a railroad car tank head having the steps of providing a circular blank of steel plate material, cold-forming the circular blank to form an intermediate ellipsoidal dish, cold-forming a peripheral flange region of the intermediate ellipsoidal dish to form a flanged elli...

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Bibliographische Detailangaben
Hauptverfasser:	Assaad Emad Fakhry Habib, Balaz Richard M, Stancescu Daniel P
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BODY DETAILS OR KINDS OF RAILWAY VEHICLES CHEMISTRY 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 GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HANDLING THIN OR FILAMENTARY MATERIAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PUNCHING METAL RAILWAYS STORING TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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