Title:
WATER BUOY DEVICE
Document Type and Number:
Japanese Patent JP2000128087
Kind Code:
A
Abstract:
To provide a water buoy system having deceleration function when descending and a buoying function after splashdown with a simple unit.
A balloon 2 is housed in a container 1 before this buoy device is dropped. When this device is dropped with carrying a draw-out rope, the balloon 2 is drawn up from the container 1. The drop causes the air to enter the balloon 2 though the container 1. The excess air is exhausted from an excess air outlet 7 to the outside of the balloon 2, which is thereby is inflated. Upon splashdown, the air outlet 7 sinks in the water and the balloon 2 floats on the water.
Inventors:
KANO HIROKAZU
SEKIZAWA HIROAKI
SEKIZAWA HIROAKI
Application Number:
JP31543398A
Publication Date:
May 09, 2000
Filing Date:
October 19, 1998
Export Citation:
Assignee:
JAPAN AIRCRAFT MFG CO
International Classes:
B64D25/18; B63B22/00; (IPC1-7): B64D25/18; B63B22/00
Domestic Patent References:
JPS5425094A | 1979-02-24 | |||
JPS4636346B1 |
Foreign References:
US5795203A | 1998-08-18 | |||
US3337162A | 1967-08-22 |
Attorney, Agent or Firm:
Arai Ichiro
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