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Title: Pneumatically inflatable flexible envelope type dam

Abstract: An inflatable flexible envelope type dam including members having large specific gravity attached to said envelope. The members allow said envelope to fall down in its deflating state by overcoming buoyancies given by residual fluid in said envelope.


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Inventors: Tsuji, Yoshiomi (Osaka, JP)
Matsuda, Akio (Osaka, JP)
Ikeda, Tamaki (Osaka, JP)
Mori, Kenji (Osaka, JP)

Application Number: 06/088915
Filing Date: 1979-10-29
Publication_date: 1982-02-09
Assignee: SUMITOMO ELECTRIC INDUSTRIES

Primary Class(es): 405/115 405/91
Other Classes: E02B7/00; E02B7/02
US Patent Ref:
0495788April, 1893Debarle405/115
2609666September, 1952Mesnager405/115Dam
3173269March, 1965Imbertson405/115Collapsible dam

Other Refs: SU649778
May, 1979405/115

Primary Examiner: Taylor, Dennis L.
Assistant Examiner:
Attorney: Sughrue, Mion Zinn Macpeak And Seas
Claims: