FIELD: light industry, in particular, manufacture of casings for umbrellas.
SUBSTANCE: casing is made from rectangular flexible sheet connected along longitudinal edges. Sheet is connected in closed manner along one end edge, and longitudinal edges are directly connected with one another. Casing is joined with its two corner portions at connected end edge by securing with the help of clip and is turned inside out.
EFFECT: prolonged service life and enhanced reliability in operation.
2 dwg
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