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Application filed by Ballew E Raymond, Houston T BarnesfiledCriticalBallew E Raymond
Priority to ECSP951588priorityCriticalpatent/ECSP951588A/en
Publication of ECSP951588ApublicationCriticalpatent/ECSP951588A/en
La presente invención consiste de una cucharada operada por retroexcavadora con una abertura que contiene un bastidor de tamiz opuesto a su abertura para carga equipada con cuchilla raspadora, para separar material en bruto conteniendo en tierra excarvada de una zanja para tubería y depositar tierra de relleno fina en una tubería en la znaja. Una pieza desplazada por motor, soportada por el bastidor de tamiz, que hace vibrar el bastidor de tamiz en varias direcciones para lograr una separación de material fino y grueso, este último se deposita en la zanja sobre la tierra de relleno.The present invention consists of a backhoe-operated scoop with an opening containing a sieve frame opposite its loading opening equipped with a scraper blade, to separate raw material containing excavated soil from a pipe trench and deposit fine-fill soil in a pipe in the ditch. A motor-displaced part, supported by the sieve frame, which vibrates the sieve frame in various directions to achieve a separation of fine and coarse material, the latter being deposited in the trench on the backfill.
ECSP9515881995-11-171995-11-17
FILLING APPARATUS FOR PIPE LAYING
ECSP951588A
(en)
Scoop device for sieving rocks and other soil debris for trench filling and simultaneous application of sieved fill material to a cable or pipeline housed in a trench