Electrically heated paving screed

Details Electrically heated paving screed Electrically heated paving screed

2002-06-20

2008-09-23

Hartmann, Gary S (Department: 3671)

Road structure, process, or apparatus

Apparatus

With means for heating a road base, surface, or material

C404S118000

Reexamination Certificate

active

07427174

ABSTRACT:
This invention relates to screeds used for compacting paving material. The invention provides a screed for a paving machine comprising a sole plate; a tamper adjacent the sole plate; a heating element mounted on the sole plate; and a heat conductor mounted on the sole plate and arranged to conduct heat from the heating element to the tamper.

REFERENCES:
patent: 2303812 (1942-12-01), Barber
patent: 5417516 (1995-05-01), Birtchet
patent: 6124580 (2000-09-01), Nottmeier et al.
patent: 6421594 (2002-07-01), Erasmus
patent: 2004/0086336 (2004-05-01), Nelson
patent: 2004/0144765 (2004-07-01), Heindtel
patent: 19836650 (2000-02-01), None
patent: 7-300813 (1995-11-01), None

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