Road structure – process – or apparatus – Traffic director – Attenuated lane marker type
Patent
1993-09-10
1995-02-21
Lewis, Ralph A.
Road structure, process, or apparatus
Traffic director
Attenuated lane marker type
404 16, E01F 906, E01F 908
Patent
active
053910150
ABSTRACT:
A pavement marker includes an object, such as a sheet or a raised pavement marker body, having an upper surface useful as a pavement marking indicium and a lower surface, and a bottom layer of polyorganosiloxane pressure-sensitive adhesive in intimate contact with the lower surface. A pressure-sensitive adhesive laminate system for attaching a pavement marker to a roadway surface includes a first layer of pressure-sensitive adhesive material,such as a polyorganosiloxane adhesive, a second layer of pressure-sensitive adhesive material, and a layer of deformable material interposed between the first and second pressure-sensitive adhesive layers, wherein the deformable material of the interposed layer is characterized by high cohesive (shear) strength. A method of marking a pavement having a temperature below 15.degree. C. includes providing a pavement marker of the invention and contacting the pavement with the pressure-sensitive adhesive and applying pressure to the top layer to bond the pavement marking material to the pavement.
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Jacobs Gregory F.
Kaczmarczik James M.
Lasch James E.
May David C.
Willie Daniel J.
Griswold Gary L.
Jordan Robert H.
Kirn Walter N.
Lewis Ralph A.
Minnesota Mining and Manufacturing Company
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