Two-part transformer casing having liquid-tight seal

A liquid-tight seal is achieved in a two-part transformer casing by use of a U-shaped channel in the main body of the casing, the U-shaped channel being formed on one side by a rigid joint member (22) and, on the other side, by a flexible member (20). Both members are molded in a single unit with th...

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Bibliographische Detailangaben
1. Verfasser:	ZOLADZ, FRANK JOSEPH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BASIC ELECTRIC ELEMENTS 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 ELECTRICITY HANDLING THIN OR FILAMENTARY MATERIAL INDUCTANCES MAGNETS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES STORING TRANSFORMERS TRANSPORTING
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Beschreibung
Zusammenfassung:	A liquid-tight seal is achieved in a two-part transformer casing by use of a U-shaped channel in the main body of the casing, the U-shaped channel being formed on one side by a rigid joint member (22) and, on the other side, by a flexible member (20). Both members are molded in a single unit with the main casing, but the flexible member has a decreased cross-section relative to that of the rigid member. The cover for the casing has a lip (26) extending into the U-shaped channel. The lip is wedge-shaped, having a minimum cross-sectional area at its furthest projection into the U. At its other extremity, the cross-sectional height of the lip slightly exceeds the perpendicular distance between the flexible and rigid members. A rectangular cross-sectional part (28) of the lip immediately adjacent to the cover provides a contact surface for the flexible member, while the rigid member makes contact with the wedge-shaped portion (27) over a greater area. The flexible member thus pushes the lip against the rigid member and, further, provides a backup seal should liquid pass through the seal between the lip and the rigid member.