FIELD: pontoons. SUBSTANCE: pontoon unit includes two extreme and two middle pontoons hinged to each other. Each extreme pontoon is assembled of flat rectangular panels articulated to one another by means of flexible sealing members and flexible end diaphragms. Each extreme pontoon is provided with removable braces and flexible deck one side of which is rigidly secured to pontoon and the other is secured to it for disconnection. EFFECT: higher efficiency. 9 dwg
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FERRY SECTION | 1993 |
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Authors
Dates
1994-08-30—Published
1992-05-28—Filed