PORTABLE FORMS FOR MAKING CONCRETE FACING AND RECONSTRUCTION OF CANAL SIDES Russian patent published in 1994 - IPC

Abstract RU 2021422 C1

FIELD: hydraulic engineering. SUBSTANCE: portable forms include two frames of variable length connected by longitudinal cross-bars. Frames are made in form of extensible horizontal cross-bars connected with vertical posts provided with rollers in their lower part. Each part has two screws for handing forms shields on them and regulation of position of forms shields installed on canal sides. EFFECT: higher efficiency. 6 dwg

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RU 2 021 422 C1

Authors

Sadovnikov E.I.

Dates

1994-10-15—Published

1990-09-05—Filed