| 摘要 |
A solid fuel propellant motor casing is described, the casing comprising a body portion for containing the propellant, the body portion also including at least one detachable end closure portion, the closure portion being maintained in position relative to said body portion by retaining means, the retaining means being held in position with engagement means on an inner surface of said body portion and located radially with respect to said body portion by locating means against resilient biasing means, said locating means being responsive to temperature such that said locating means melt at a predetermined temperatur e allowing said resiliently biased retaining means to move radially inwardly of said body portion and allow said at least one closure portion to be ejected from the casing.
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