Control for screed heaters

Details Control for screed heaters Control for screed heaters

2007-05-15

2007-05-15

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Process

In situ treatment of earth or roadway

C404S079000, C404S095000, C700S299000, C700S300000

Reexamination Certificate

active

11063259

ABSTRACT:
A screed for a paving machine has at least a base portion having an associated heating element connected to a heating element controller. An extension screed portion is connector to the base screed portion and has a respective heating element connectable to the heating element controller. A temperature sensor is associated with each of the base and extension screed portions and a device is adapted to controllably connect selected ones of the base and extension screed temperature sensors to the heating element controller.

REFERENCES:
patent: 3673930 (1972-07-01), Birtchet
patent: 4781491 (1988-11-01), Chiba et al.
patent: 5417516 (1995-05-01), Birtchet
patent: 5521850 (1996-05-01), Moe et al.
patent: 5607254 (1997-03-01), Grembowicz et al.
patent: 5895172 (1999-04-01), Grembowicz et al.
patent: 6334735 (2002-01-01), Williams et al.
patent: 6421594 (2002-07-01), Erasmus
patent: 1295990 (2003-03-01), None
patent: WO 00/47822 (2000-08-01), None

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