Security paper with rigid segments

Details Security paper with rigid segments Security paper with rigid segments

1990-11-19

1991-10-08

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Including solid non-waterlaid preform

162105, 162140, 156265, 156302, 156303, 428211, 4285375, 428916, D21H 2142

Patent

active

050551604

ABSTRACT:
A hybrid band that includes rigid segments into a paper web being formed in a paper manufacturing process. The band includes a carrier that has an adhesive surface for mounting the rigid segments thereon and spacing filler material between contiguous rigid segments for keep them in place. A jacket is formed over the combination that comprises the carrier, segments and filler material. The resulting hybrid band is prestretched prior to its insertion in a paper web being formed in order to compensate for the subsequent shrinkage of the paper web thereby accomplishing the proper and exact positioning of the segments on said paper web.

REFERENCES:
patent: 3915780 (1975-10-01), Broussard, Jr.
patent: 4511616 (1985-04-01), Pitts et al.
patent: 4761205 (1988-08-01), Crane

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