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Current content: 157 636 699 patent documents

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43 606 new documents added

1 129 815 documents amended

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EP 0026777 B1 19831026 - METHOD FOR DISTRIBUTING FIBERS IN A LAYER

Title (en)

METHOD FOR DISTRIBUTING FIBERS IN A LAYER

Publication

EP 0026777 B1 19831026 (EN)

Application

EP 80900685 A 19801023

Priority

SE 7903028 A 19790405

Abstract (en)

[origin: WO8002165A1] Method for distributing fibers (1) in a layer, wherein the distribution is obtained by exposing the fiber layer (1) to a low-frequency airborne sound field.

IPC 1-7

D04H 1/44; D21H 5/26

IPC 8 full level

D04H 1/44 (2006.01); D04H 1/58 (2012.01); D04H 1/70 (2012.01)

CPC (source: EP)

D04H 1/44 (2013.01); D04H 1/64 (2013.01); D04H 1/732 (2013.01)

Designated contracting state (EPC)

AT CH DE FR GB LI LU NL SE

DOCDB simple family (publication)

WO 8002165 A1 19801016; AT E5154 T1 19831115; DE 3065409 D1 19831201; EP 0026777 A1 19810415; EP 0026777 B1 19831026; JP S56500379 A 19810326; SE 432788 B 19840416; SE 7903028 L 19801006

DOCDB simple family (application)

SE 8000098 W 19800403; AT 80900685 T 19800403; DE 3065409 T 19800403; EP 80900685 A 19801023; JP 50086080 A 19800403; SE 7903028 A 19790405