Pavement marker

Details Pavement marker Pavement marker

2005-02-08

2005-02-08

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Traffic director

Attenuated lane marker type

C404S015000, C404S016000

Reexamination Certificate

active

06851888

ABSTRACT:
A pavement marker has a base having at least one opening formed therein. A groove is formed in the base substantially adjacent the opening. The pavement marker further includes a cover for covering the opening in the base. The cover is formed with at least one energy directing rib configured for nesting with the groove in the base. The cover is ultrasonically welded to the base so that the energy directing rib melts and integrally fuses to portions of the base adjacent the groove.

REFERENCES:
patent: 3179009 (1965-04-01), Sheffield et al.
patent: 4694627 (1987-09-01), Omholt
patent: 5667334 (1997-09-01), Boyce
patent: 6126360 (2000-10-01), May et al.
patent: 6267530 (2001-07-01), Attar
patent: 6334734 (2002-01-01), Attar
patent: 6579036 (2003-06-01), Attar

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