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Office of Scientific and Technical Information
 

Detonator-activated ball shutter

Patent ·
OSTI ID:7246409
;

A detonator-activated ball shutter for closing an aperture in about 300[mu] seconds. The ball shutter containing an aperture through which light, etc., passes, is closed by firing a detonator which propels a projectile for rotating the ball shutter, thereby blocking passage through the aperture. 3 figs.

DOE Contract Number:
W-7405-ENG-48
Assignee:
PTO; EDB-94-124983
Patent Number(s):
A; US 4398801
Application Number:
PPN: US 6-263522
OSTI ID:
7246409
Country of Publication:
United States
Language:
English

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Related Subjects

42 ENGINEERING
420200* -- Engineering-- Facilities
Equipment
& Techniques
ACTUATORS
APERTURES
DESIGN
DETONATORS
OPENINGS
SHUTTERS
USES