EP 1026313 A3 20010509 - Band for making a web material
Title (en)
Band for making a web material
Title (de)
Band für Maschinen zur Herstellung von Materialbahnen
Title (fr)
Bande pour la fabrication d' un materiau en bande
Publication
Application
Priority
DE 19900989 A 19990113
Abstract (en)
[origin: EP1026313A2] The fourdrinier (10) for a papermaking machine has a compound structure with longitudinal strength carriers (12,14,16), and a filling material (18) in the spaces between them which at least partially fills them out. The strength carriers (12,14,16) have a high thermal conductivity, as metal filaments with a circular cross section and/or as narrow strips and/or ribbons. At least some have a changing cross section along their length. The filling material (18) is of plastics. The fourdrinier is generally impermeable to liquids. The edges of the fourdrinier have a bead thickening formed by the carriers (12,14,16), the filling material (18) and/or an additional material or material mixture. At least one surface of the fourdrinier (10) has a closed structure formed by the carriers (12,14,16), and at least one surface is smooth, formed by the filling material (18). The fourdrinier structure is formed by weaving the carriers (12,14,16) together. An Independent claim is included for a fourdrinier prodn. process where the filaments (12,14,16) are woven together to form the material, and the spaces between them are at least partially filled by a plastics material (18). Preferred Features: The woven material is immersed in a fluid plastics (18) or is sprayed with the plastics liquid. After immersion or spraying, the surfaces are smoothed by grinding. Or the plastics coating is removed especially by scraping and/or pressing it into the intermediate spaces. The filaments are woven according to the required fourdrinier surface structure and especially according to the required heat dissipation.
IPC 1-7
IPC 8 full level
D03D 15/02 (2006.01); D21F 1/00 (2006.01); D21F 1/10 (2006.01)
CPC (source: EP US)
D03D 15/67 (2021.01 - EP US); D21F 1/0027 (2013.01 - EP US); D21F 1/10 (2013.01 - EP US); Y10S 162/901 (2013.01 - EP US); Y10S 162/902 (2013.01 - EP US); Y10T 428/24777 (2015.01 - EP US)
Citation (search report)
- [X] EP 0006316 A1 19800109 - ASTEN GROUP [US]
- [X] WO 9714846 A1 19970424 - SCAPA GROUP PLC [GB], et al
- [A] US 5731059 A 19980324 - SMITH RICHARD W [US], et al
- [A] US 3523867 A 19700811 - MACBEAN DONALD G
- [A] DE 2922025 A1 19791206 - HUTTER & SCHRANTZ AG
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19900989 A1 20000727; DE 59911904 D1 20050519; EP 1026313 A2 20000809; EP 1026313 A3 20010509; EP 1026313 B1 20050413; US 7005045 B1 20060228
DOCDB simple family (application)
DE 19900989 A 19990113; DE 59911904 T 19991125; EP 99123453 A 19991125; US 48226300 A 20000113