Road structure – process – or apparatus – Traffic director – Attenuated lane marker type
Patent
1992-06-05
1995-05-02
Britts, Ramon S.
Road structure, process, or apparatus
Traffic director
Attenuated lane marker type
2642888, 2642893, 4283155, 4284231, B32B 2700, D02J 300
Patent
active
054113512
ABSTRACT:
Conformable marking sheet comprising a microporous thermoplastic polymer base sheet having a network of interconnected pores. The marking sheet has a low yield stress, making it conformable to rough surfaces. The pores of the base sheet can be filled with a diluent (wax) or they may have the diluent removed, for example by extraction. The construction may further comprise an adhesive on the bottom and a top marking indicium layer comprising a polymeric binder in which is partially embedded a multiplicity of retroflective lens elements, e.g., transparent microspheres.
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Jonza James M.
Kaczmarczik James M.
Klein James A.
Lasch James E.
Britts Ramon S.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Schoeppel Roger J.
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