Retroreflective sheeting and method for forming same

Details Retroreflective sheeting and method for forming same Retroreflective sheeting and method for forming same

1997-10-01

1999-04-20

Phan, James

Optical: systems and elements

Signal reflector

Including a curved refracting surface

359540, G02B 5128

Patent

active

058962271

ABSTRACT:
A method for forming retroreflective sheeting comprising a binder layer having a first surface with protrusions thereon and a plurality of retroreflective elements partially embedded in the surface, wherein the method comprises forming the binder layer in a first profile, embedding the retroreflective elements therein, and then activating that binder layer such that it is restored to the first profile via shape memory.

REFERENCES:
patent: 3005382 (1961-10-01), Weber
patent: 3190178 (1965-06-01), McKenzie
patent: 4025159 (1977-05-01), McGrath
patent: 4069281 (1978-01-01), Eigenmann
patent: 4605461 (1986-08-01), Ogi
patent: 4712867 (1987-12-01), Malek
patent: 5316406 (1994-05-01), Wyckoff

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