Method of embossing repeating patterns on a substrate, the patte

Details Method of embossing repeating patterns on a substrate, the patte Method of embossing repeating patterns on a substrate, the patte

1994-07-29

1995-11-07

Lerner, Martin

Optical: systems and elements

Diffraction

From grating

101 5, 101 22, 264 134, 283 86, 359 2, 359573, 359575, G02B 518, B44B 500, B29D 1100

Patent

active

054651760

ABSTRACT:
In a preferred embodiment, a method of producing embossed first and second elongate, edgewise side by side, repeating, optical patterns on a sheet for use in producing secure identification means, the method comprising: continuously embossing the first and second optical patterns on the sheet, such that the first and second patterns repeat at different rates, so that the first pattern will "walk" with respect to the second pattern.

REFERENCES:
patent: 2481757 (1949-09-01), Jungersen
patent: 3319519 (1967-05-01), Shelanski
patent: 3515459 (1970-06-01), Wood
patent: 3684348 (1972-08-01), Rowland
patent: 3758649 (1973-09-01), Frattarola
patent: 3882207 (1975-05-01), Hannan et al.
patent: 3893795 (1975-07-01), Nauta
patent: 3992080 (1976-11-01), Rowland
patent: 4125760 (1978-11-01), Nyfeller
patent: 4547141 (1985-10-01), Ruschmann
patent: 4773718 (1988-09-01), Weitzen et al.
patent: 5155604 (1992-10-01), Miekka et al.

Affiliated with

Also associated with

Rating

Method of embossing repeating patterns on a substrate, the patte does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of embossing repeating patterns on a substrate, the patte, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of embossing repeating patterns on a substrate, the patte will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-200434