Nova Patents
ES2117004T3

Manufacturing of fibrocement articles without asbestos fibre.

Abstract

THIS INVENTION REFERS TO THE PRODUCTION OF ARTICLES MADE IN FIBROCEMENT WITHOUT ASBESTOS FIBERS. SUCH ITEMS NEED A SMALL AMOUNT OF MECHANICALLY PRE-TREATED CELLULOSE FIBERS, THE ADDITION OF CEMENT, A FLOCULATOR, ACIDULATED AGENTS CONTRASTING THE TENSIONS FROM EXPANSION AND REINFORCING FIBERS IN ALCOHOL AND POLY. THE THERMAL CONDITIONING OF THE MANUFACTURING ITEMS IS CARRIED OUT IN A CHAMBER WITH CONSECUTIVE AREAS OF DIFFERENT TEMPERATURES AFTER SUCH ITEMS HAVE BEEN FORMED.

Term

Term ended

Projected expiry passed 11 July 2011, 15.2 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

21 members in 10 offices

This recordMember, by publication datePriority claim

Priority claims5

Priority claims
DocumentOfficeKindDate
19900005228Italy–
522890ItalyA
522890ItalyA
522890–––
IT19900005228–––

Members21

Family members, oldest first
DocumentOfficeKind
IT9005228D0ItalyD0
HU912327D0HungaryD0
IT9005228A1ItalyA1
EP0484283A1European Patent Office (EPO)A1
CS324891A3Czechoslovakia (until 1993)A3
PT98431APortugalA
IT1242840BItalyB
YU122291AYugoslavia, later Serbia and Montenegro (until 2006)A
HUT66783AHungaryA
YU47857BYugoslavia, later Serbia and Montenegro (until 2006)B
HRP931447A2CroatiaA2
EP0484283B1European Patent Office (EPO)B1
AT164823TAustriaT
ATE164823T1AustriaT1
DE69129220D1GermanyD1
ES2117004T3This recordSpainT3
DE69129220T2GermanyT2
PT98431BPortugalB
HU216074BHungaryB
HRP931447B1CroatiaB1
DE69129220T4GermanyT4