Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...
Reexamination Certificate
2007-03-06
2007-03-06
Will, Thomas B. (Department: 3671)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
By means advancing along terrain and guiding pipe or cable...
C405S179000, C037S142500, C241S101742
Reexamination Certificate
active
10421641
ABSTRACT:
An integrated padding machine that incorporates a front digging auger that is preferably mechanically as opposed to hydraulically powered, which in conjunction with a breaker bar assembly provides for digging and crushing capabilities, and that incorporates several other improvements and advances, including screen and cross-pass conveyor level control, a real-time padding level monitoring system, and an assistant's control module, improved controls, dust control, and cold weather padding, and methods of using the machine.
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Mayo Tara L.
Will Thomas B.
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