| 摘要 |
A compact stretcher is disclosed which is erectable upon requirement. In a preferred embodiment, stretcher poles each consist of a tube of textile material impregnated with a moisture-curable polyurethane which is received within an impervious outer cover tube. The tubes and stretcher base are carried in a folded condition until erection is required when the contents of a canister containing compressed air and water are introduced into each pole. Once the two poles have been extended and the polyurethane cured, the poles are inserted into respective cavities of a canvas base to a stretcher.
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