FIELD: packing of liner. SUBSTANCE: device has template, vibroplatform connected with annular packer by vertical bars, which are made hollow. Tamping surface of packer is provided with leveling rippers. Packer is made perforated. Device is further provided with additional hollow bars. Ratio of outer diameter of annular packer to outer diameter of template cylindrical part is within the range of 1:1.1 to 1:1.17. Ratio of outer diameter of template cylindrical part to inner diameter of annular packer is within the range of from 1:1.005 to 1:1.02. EFFECT: increased efficiency by optimized tamping extent. 3 dwg
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Authors
Dates
1994-07-15—Published
1991-06-26—Filed