Data page integration into a book block
A data page is a multilayer polycarbonate construction which is thread-sewn into a book block.
Types of integration:
- data page is sewn along the inner (binding) edge without using fasteners;
- data page is sewn using a band;
- data page is sewn using a band and an additional binding band.
The sewn-in band is made of polymer materials with high flexural strength. One side of the band is bound to the data page, the other side remains loose in the form of a fold. The binding band is laid over the sewn-in band in the place of connection to the data page. Both sewn-in and binding bands may have additional security features, e.g. embossing, UV-luminescent inks, etc.
a
b
c
d
e
f
g
h
Types of data page integration into a document blank:
a — data page is sewn along the inner (binding) edge without using fasteners. Scheme; b — data page is sewn using a band. Scheme; c — data page is sewn using a band and an additional binding band. Scheme; d — Norway. Passport. One of data page inner layers is sewn in along the binding edge; e — Bosnia and Herzegovina. Passport. Data page is sewn using a band; e — Interpol. Passport. Data page is sewn using a band and an additional binding band; f — the same image. Security elements of the sewn-in band: embossing in the form of repeated characters «XO»; g — Sweden. Temporary passport. Security elements of the sewn-in band: UV-luminescent pink ink. View in UV light of 365 nm