Patent ID: 11927779
Assignee: NIPPON CARBIDE INDUSTRIES CO., INC.
Field: Surface technology, coating (Chemistry)
Classification: CPC G  B | IPC B  G

Claim 10:
11. A retroreflective sheet, comprising:
a retroreflective layer having a plurality of retroreflective elements on one surface;
a back face layer provided to face the plurality of retroreflective elements; and
a coupling portion configured (i) to couple a part of a plurality of the retroreflective elements and a part of a one side surface of the back face layer and (ii) not to couple the other part of a plurality of the retroreflective elements and the other part of the one side surface of the back face layer, wherein
a gap is provided between another part of a plurality of the retroreflective elements and another part of the back face layer, and
the coupling portion is made of a resin composition that is in an adhesive state capable of being adhered to the retroreflective layer and the back face layer by applying predetermined energy and in a completely cured state where curing is completed after a predetermined time has passed from the adhesive state.