Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent
1980-08-18
1982-11-23
Pate, III, William F.
Hydraulic and earth engineering
Earth treatment or control
Chemical
404 96, E02B 502
Patent
active
043602932
ABSTRACT:
The canal paving machine has an elongated main frame supported in an elevated position on a pair of end frame structures each of which includes an upper mounting section, a lower traction section and an intermediate connecting section. One mounting section is movably supported on the main frame for movement longitudinally thereof to vary the longitudinal spacing between the end frame structures. Each traction section has front and rear traction units movably connected together to vary the spacing therebetween transversely of the main frame. The connecting section is vertically adjustable relative to the traction section and the upper mounting section is vertically adjustable relative to the connecting section. During a paving operation the upper sections are retracted relative to the connecting sections and the main frame adjusted relative to the ground surface by vertical adjustment only of the connecting sections. For attaching or removing a slip form from the underside of the main frame, the upper sections and connecting sections of the end frame structures are vertically moved to their maximum elevations to provide adequate working space below the main frame.
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patent: 4197032 (1980-04-01), Miller
Gomaco, Inc.
Lowell Rudolph L.
Pate III William F.
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