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Title:
SEA MARKER FOR EMERGENCY LANDING OF SHIP-BASED PLANE
Document Type and Number:
Japanese Patent JPH04228391
Kind Code:
A
Abstract:

PURPOSE: To raise the light yield and simultaneously enable safe, stable-storage and simple structure by forming a tube containing a pyrotechnical charge by a material which does not burn away, and making the pyrotechnical charge as a specified composition consisting of sodium nitrate, polyolefin resin and magnesium.

CONSTITUTION: A sea marker is so constructed that a tube 1 is surrounded with a float 2, the lower part of the tube 1 is provided with a trimming weight 4 for keeping the sea marker in the vertical state, and a light charge 5 in the tube 1 is ignited through an intermediate base charge 7 arranged thereon. The tube 1 is formed of a material which does not burn away, such as steel, and the light charge 5 consists of 30-60 wt.% of sodium nitrate, 3-18 wt.% of polyolefin resin, and 30-60 wt.% of magnesium. Further, 40-80 wt.% of barium nitrate, 1-10 wt.% of sulfur, 1 to 10 wt.% of charcoal, and 1-5 wt.% of black powder are superposed on the light charge 5, and a primer 9 is arranged thereon.


Inventors:
Kraemer, Daniel
Application Number:
JP1991000096662
Publication Date:
August 18, 1992
Filing Date:
April 26, 1991
Export Citation:
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Assignee:
PIEPENBROCK PYROTECHNIK GMBH
International Classes:
B63B22/16; B64F1/20; C06B33/04; C06C15/00; F42B4/26; (IPC1-7): B63B22/16; B64F1/20



 
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