DEVICE FOR LAYING WATERTIGHT FILM CURTAIN Russian patent published in 2005 - IPC

FIELD: hydraulic building, particularly for laying watertight film curtain on surface having arbitrary orientation, namely for creation curtains on large surfaces with horizontal or inclined surface in industrial accumulation facility bed.

SUBSTANCE: device has loading chamber including roll of film, guiding chamber mating flat bends along rounded surfaces and having curvilinear tapered and straight parts. Lower wall of guiding chamber has frieze coating. Device also has pressing springs and vibratory means. Rear part of guiding chamber has cut extending for the full width thereof. Installed behind the cut is removable hopper for granular earth. The hopper is provided with vessel for liquid adhesive connected to rear end thereof. Vessel has tube with longitudinal slot-like orifice. Hopper also comprises means generating signals when granular earth stock is minimal. Inclined plates are connected to upper wall of guiding chamber by the first ends thereof. Inclined plates extend at angle exceeding 90° relative the film. Frieze coating is made as a number of strips connected to lower chamber wall and define ledge on free plate ends. Removable sliding skid is connected to outer surface of lower wall.

EFFECT: increased quality of curtain laying, reduced labor inputs and costs for film curtain forming.

5 dwg