EP 0914966 A1 19990512 - Improved lithographic layer for printing blanked and blanked incorporating the same
Title (en)
Improved lithographic layer for printing blanked and blanked incorporating the same
Title (de)
Verbesserte lithographische Schicht für Drucktuch und Drucktuch das diese Schicht verwendet
Title (fr)
Couche lithographique perfectionnée pour blanchet d'impression et blanchet équipé de cette couche
Publication
Application
Priority
FR 9713978 A 19971106
Abstract (en)
The elastomer layer (4) is made slightly compressible by including a large number of cavities produced by microspheres (5). These are pre-expanded or are expanded inside the elastomer material e.g. by containing a solvent which expands at a temperature of 100 - 150 degrees C. The content of microspheres in the material is between 0.5 and 10 percent by weight and preferably 2 - 4 percent, while their diameter is between 10 and 30 microns. The thickness of the elastomer layer, which is in the form of a sleeve, is less than 0.7 mm and preferably 0.3 mm or less. In a variant the cavities can be created by chemical expansion of an elastomer layer during hardening.
Abstract (fr)
La présente invention concerne une couche lithographique perfectionnée pour blanchet d'impression ainsi qu'un blanchet équipé de cette couche. La couche lithographique en matériau élastomère selon cette invention est une couche rendue légèrement compressible par l'inclusion d'une multiplicité de vides ou microsphères (5) dans le matériau élastomère constituant la couche en matériau élastomère (4). Cette couche lithographique peut se présenter sous la forme d'un manchon formant la couche extérieure d'un blanchet d'impression. <IMAGE>
IPC 1-7
IPC 8 full level
B41N 10/00 (2006.01); B41N 10/02 (2006.01); B41N 10/04 (2006.01)
CPC (source: EP US)
B41N 6/00 (2013.01 - EP US); B41N 10/02 (2013.01 - EP US); B41N 10/04 (2013.01 - EP US); B41N 2210/02 (2013.01 - EP US); B41N 2210/14 (2013.01 - EP US); Y10T 428/249956 (2015.04 - EP US); Y10T 428/249971 (2015.04 - EP US); Y10T 428/249979 (2015.04 - EP US); Y10T 428/249991 (2015.04 - EP US)
Citation (search report)
- [X] DE 831705 C 19520218 - CONTINENTAL GUMMI WERKE AG, et al
- [A] DE 1165046 B 19640312 - CONTINENTAL GUMMI WERKE AG
- [A] EP 0222680 A2 19870520 - GOODYEAR TIRE & RUBBER [US]
- [A] WO 9640528 A1 19961219 - PT SUB INC [US]
Designated contracting state (EPC)
BE DE GB IT NL
DOCDB simple family (publication)
EP 0914966 A1 19990512; EP 0914966 B1 20020313; AU 743882 B2 20020207; AU 9140198 A 19990527; CA 2252897 A1 19990506; CA 2252897 C 20080219; DE 69804187 D1 20020418; DE 69804187 T2 20021107; FR 2770451 A1 19990507; FR 2770451 B1 19991231; JP H11208139 A 19990803; US 6146748 A 20001114
DOCDB simple family (application)
EP 98402732 A 19981102; AU 9140198 A 19981106; CA 2252897 A 19981105; DE 69804187 T 19981102; FR 9713978 A 19971106; JP 31602298 A 19981106; US 18757298 A 19981105