Elastomeric retroreflective sheeting

Details Elastomeric retroreflective sheeting Elastomeric retroreflective sheeting

1984-10-23

1990-08-21

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

156276, 428161, 428325, 428344, 4284233, 4284258, 428913, 350105, B32B 330, B32B 2740, G02B 5128

Patent

active

049505254

ABSTRACT:
Elastomeric embedded-lens retroreflective sheeting comprises a monolayer of non-stretchable microspheres; a sheet in which the microspheres are embedded which comprises a spacing layer of transparent elestomeric material underlying the back surface of the microspheres and a cover layer of transparent elastomeric material covering the front surface of the microspheres; and a specularly reflective layer disposed on the back surface of the spacing layer.

REFERENCES:
patent: 2403752 (1946-07-01), Phillippi
patent: 2407680 (1946-09-01), Palmquist et al.
patent: 3154872 (1964-11-01), Nordgren
patent: 3382908 (1968-05-01), Palmquist et al.
patent: 3449201 (1969-06-01), Palmquist et al.
patent: 3551025 (1970-12-01), Bingham et al.
patent: 3785719 (1974-01-01), Jonnes
patent: 3936567 (1976-02-01), Vesely
patent: 4025674 (1977-05-01), Mizuochi
patent: 4035059 (1977-07-01), DeMaster
patent: 4367920 (1983-01-01), Tung et al.
patent: 4418110 (1983-11-01), May et al.

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