Title (en)

CALANDER

Publication

EP 0035110 B1 19850410 (DE)

Application

EP 81100470 A 19810123

Priority

DE 3007452 A 19800228

Abstract (en)

[origin: US4380954A] Disclosed herein are a method and apparatus for the compression treatment of a material web in a calender or the like, wherein the pressure in the roller nip can be precisely set and regulated by the comparison between the set point value and the actual value of the pressure in the roller nip. The actual pressure is determined by a pressure measuring element mounted on a piston supported against the rollers of the calender or in the bearings of such a roller, taking into consideration the weight of the directly supported roller.

IPC 1-7

D21G 1/00; D21F 3/06

IPC 8 full level

B29C 33/00 (2006.01); B29C 43/00 (2006.01); B29C 43/24 (2006.01); B29C 43/32 (2006.01); B29C 43/58 (2006.01); D21F 3/06 (2006.01); D21F 7/00 (2006.01); D21F 7/06 (2006.01); D21G 1/00 (2006.01)

CPC (source: EP US)

D21F 3/06 (2013.01 - EP US); D21F 7/003 (2013.01 - EP US); D21F 7/06 (2013.01 - EP US); D21G 1/002 (2013.01 - EP US)

Citation (examination)

• DE 2738781 A1 19790308 - EMA ELEKTRONIK MASCHINEN APPAR, et al
• DE 1652322 A1 19710225 - FELDMUEHLE AG
• GB 2018949 A 19791024 - ESCHER WYSS LTD
• US 2312310 A 19430302 - BRADNER DONALD B, et al

Designated contracting state (EPC)

AT FR GB IT

DOCDB simple family (publication)

EP 0035110 A1 19810909; EP 0035110 B1 19850410; AT E12667 T1 19850415; DE 3007452 A1 19810903; DE 3007452 C2 19840920; FI 69595 B 19851129; FI 69595 C 19870630; FI 810466 L 19810829; JP S56136320 A 19811024; JP S5930837 B2 19840728; US 4380954 A 19830426; YU 18981 A 19831231; YU 43486 B 19890831

DOCDB simple family (application)

EP 81100470 A 19810123; AT 81100470 T 19810123; DE 3007452 A 19800228; FI 810466 A 19810216; JP 2623681 A 19810226; US 23194481 A 19810205; YU 18981 A 19810123