Press

D - Textiles – Paper – 21 – F

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

D21F 3/02 (2006.01) D21F 11/00 (2006.01)

Patent

CA 2376768

A press in a machine for the production of a continuous web (2) of cellulosic fibrous material, comprising a press device (5), a rotatably journalled counter roll (3), which comprises a cylindrical roll body (7) and is arranged to form a press nip (4) in cooperation with the press device, and endless clothing (6), that is arranged to run through the press nip in contact with the web and preferably has ability to receive and carry away liquid from the web, and devices (15, 16) for heating the web in the press nip, which heating devices comprise a movable heat transferring device (15) for transferring heat to the web in the press nip, and at least one heating apparatus (16) for heating the heat transferring device. According to the invention the heat transferring device consists of a heatable sleeve, which is an integral part of the counter roll and encloses the roll body, and which has an external mantle surface (14) for cooperation with the opposite press device, and said external mantle surface of the sleeve comprises a number of imprinting elements (24), which are arranged in a pattern (25) for a in the fibrous web generating a pattern imprint corresponding to the imprinting elements.

L'invention concerne une presse d'une machine de production d'une bande continue (2) de matière de fibres cellulosiques, comprenant un dispositif presse (5), un rouleau compteur (3) monté pivotant, comportant un corps rouleau cylindrique (7) et destiné à former une pince (4) en coopération avec le dispositif presse, et un matériau de montage continu (6), qui est conçu pour défiler par la pince en contact avec la bande et qui est, de préférence, apte à recevoir et à enlever du liquide de la bande. Cette presse comprend également des dispositifs (15, 16) permettant de chauffer la bande dans la pince, ces dispositifs de chauffage comprenant un dispositif de transfert de chaleur (15) mobile permettant de transférer la chaleur à la bande dans la pince, et au moins un appareil de chauffage (16) permettant de chauffer le dispositif de transfert de chaleur. Selon l'invention, le dispositif de transfert de chaleur comprend un manchon chauffable qui fait partie intégrante du rouleau compteur, abrite le corps rouleau et a une surface enveloppe extérieure (14) destiné à coopérer avec le dispositif presse opposé. Cette surface enveloppe extérieure du manchon comprend un certain nombre d'éléments d'impression (24) disposés selon un motif (25) destiné à la génération dans la bande fibreuse d'un motif d'impression correspondant aux éléments d'impression.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Press does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Press, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Press will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-2062984

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.