Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1980-11-10
1982-07-20
Byers, Jr., Nile C.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
350 97, 428410, E01F 906
Patent
active
043403190
ABSTRACT:
Disclosed herein is a pavement marker for engagement with an underlying roadway for providing a marking visible from an oncoming vehicle on the roadway surface. The pavement marker comprises a lens member of light-transmitting synethetic resin including a front face having a light-receiving and refracting portion adapted to be inclined at an angle of at least 15.degree. and a rear face having reflex reflective means for reflecting light transmitted through the light-receiving and refracting portion back to the source. The pavement marker has an untempered glass sheet fixedly disposed on the light-receiving and refracting portion and the glass is in compression throughout the expected temperature range to which the pavement marker is exposed in use.
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1975-The Society of the Plastics Industry, Inc. by W. Hertl.
Heenan Sidney A.
Johnson, Jr. Glenn W.
Amerace Corporation
Byers Jr. Nile C.
Craig Richard A.
Sandler Ronald A.
Teschner David
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