Global Patent Index - EP 0786033 B1

EP 0786033 B1 2000-06-14 - PROCESS AND DEVICE FOR DEACIDIFYING PRINTED AND PAPER PRODUCTS OF ALL TYPES

Title (en)

PROCESS AND DEVICE FOR DEACIDIFYING PRINTED AND PAPER PRODUCTS OF ALL TYPES

Title (de)

VERFAHREN SOWIE VORRICHTUNG ZUR ENTSÄUERUNG VON DRUCK- UND PAPIERERZEUGNISSEN ALLER ART

Title (fr)

PROCEDE ET DISPOSITIF POUR LA DESACIDIFICATION DE PRODUITS IMPRIMES ET DE PAPIERS DE TOUS TYPES

Publication

EP 0786033 B1 (DE)

Application

EP 95933321 A

Priority

  • DE 9501377 W
  • DE 4436635 A

Abstract (en)

[origin: DE4436635A1] The present invention concerns a process and device for deacidifying printed or paper products of all types, in particular books. In order to avoid the so-called half-moon effect, i.e. careless handling in the region of a spine (7) owing to the narrow spaces between the individual pages, an air jet, e.g. in the form of a double jet consisting of an opening jet (10) and an active substance jet (11), is positioned relative to the book (1) such that the active substance jet and/or the opening jet is/are substantially introduced from one side (e.g. the underside) of the book (1) and discharged via the opposite side (e.g. the top). Advantageously the opening jet (10) and the active substance jet (11) are inclined towards the spine (7). The active substance jet (11) is moved relative to the book (1) by means of a pivot arm (3).

IPC 1-7 (main, further and additional classification)

D21H 25/18; B42D 9/04

IPC 8 full level (invention and additional information)

D21H 25/18 (2006.01)

CPC (invention and additional information)

D21H 25/18 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 4436635 A1 19960418; DE 4436635 C2 19970814; AT 193917 T 20000615; AU 3603895 A 19960506; CA 2202475 A1 19960425; CZ 291713 B6 20030514; CZ 9701083 A3 19980415; EP 0786033 A1 19970730; EP 0786033 B1 20000614; ES 2149375 T3 20001101; PL 319629 A1 19970818; US 5827578 A 19981027; WO 9612066 A1 19960425; ZA 9508611 B 19960514

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