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US 2014/0233102 A1Published application
Retroreflective Elements
Assignee3M Innovative Properties Company
InventorsJunichi Saito, Toshihiro Kasai, Yuji Hiroshige, Mayumi Yoshikawa
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Abstract
The present application relates to a pavement marker including a core from which extends protrusions and a cavity between adjacent protrusions. The microsphere lenses are fixed within the cavity by one of a softening material disposed in the core and an adhesive agent disposed in the cavity.
Claims12
A pavement marker, comprising
- a core from which extends protrusions;
- a cavity between adjacent protrusions;
- and
- microsphere lenses;
- wherein the microsphere lenses are fixed within the cavity by one of a softening material disposed in the core and an adhesive agent disposed in the cavity.
2 more elements
Dependencies are inferred from the claim text.