Nova Patents
PL368733A1

Method and apparatus for foam forming

Abstract

The present invention relates to a method and apparatus for foam forming, wherein fibrous foam suspension is introduced from the head box (78, 178) of a production machine to the web forming section thereof. At least one solid material is mixed into the foam in the head box (78, 178). The method and the apparatus of the invention are particularly suitable for manufacturing various web-like products of cellulose, glass fibre, aramide, sisal, or other corresponding fibre material.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Published
  4. Today

24 members in 14 offices

This recordMember, by publication datePriority claim4 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
20012168FinlandA
0120012168
FI20010002168

Members24

Family members, oldest first
DocumentOfficeKind
FI20012168AFinlandA
CA2466576A1CanadaA1
WO03040469A1World Intellectual Property Organization (WIPO)A1
NO20042381LNorwayL
EP1461494A1European Patent Office (EPO)A1
US2005039870A1United States of AmericaA1
RU2004117524ARussian FederationA
JP2005508461AJapanA
PL368733A1This recordPolandA1
CN1612961AChinaA
KR20050044346ARepublic of KoreaA
FI115512BFinlandB
EP1461494B1European Patent Office (EPO)B1
AT361392TAustriaT
DE60219958D1GermanyD1
RU2304187C2Russian FederationC2
ES2286289T3SpainT3
DE60219958T2GermanyT2
US7416636B2United States of AmericaB2
KR100866915B1Republic of KoreaB1
JP4276076B2JapanB2
CA2466576CCanadaC
CN100529252CChinaC
PL210100B1PolandB1