FIELD: civil engineering. SUBSTANCE: installation comprises tray articulated to which is one endboard and one sideboard. Second endboard and a part of second sideboard are of sliding construction, the other part of the latter being hinged. Under the tray is installed a lengthwise sectional volumetric insert C-shaped in plan one part of which is removable and the other one, sliding. To change the depth of the cavity, the insert has a replaceable member. EFFECT: improved design. 2 cl, 6 dwg
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Authors
Dates
1995-04-30—Published
1992-08-03—Filed