Asphalt compaction device

Details Asphalt compaction device Asphalt compaction device

2006-12-05

2006-12-05

Hartmann, Gary S (Department: 3671)

Road structure, process, or apparatus

Apparatus

Tamper

C404S133050

Reexamination Certificate

active

07144195

ABSTRACT:
An asphalt compaction device including a primary compaction plate and a secondary compaction plate for concentrating force, resulting in an increased compaction rate. The secondary compaction plate may be either rotated or extended into its operative position. The asphalt compaction device may include a single primary compaction plate intended to be moved and steered by a user. Alternatively, the asphalt compaction device may include an articulated machine with multiple primary compaction plates.

REFERENCES:
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patent: 3283677 (1966-11-01), Uebel
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patent: 3965822 (1976-06-01), Stewart
patent: 4125075 (1978-11-01), Stewart
patent: 5236279 (1993-08-01), Grinager
patent: 6293729 (2001-09-01), Greppmair
patent: 6315500 (2001-11-01), Goodman et al.
patent: 6846128 (2005-01-01), Sick

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