WO1994001221B1 - Filiere plate segmentee pour projection de fibres par jet d'air - Google Patents

Filiere plate segmentee pour projection de fibres par jet d'air

Info

Publication number
WO1994001221B1
WO1994001221B1 PCT/US1993/006434 US9306434W WO9401221B1 WO 1994001221 B1 WO1994001221 B1 WO 1994001221B1 US 9306434 W US9306434 W US 9306434W WO 9401221 B1 WO9401221 B1 WO 9401221B1
Authority
WO
WIPO (PCT)
Prior art keywords
slot
coating material
adhesive
air
impinging
Prior art date
Application number
PCT/US1993/006434
Other languages
English (en)
Other versions
WO1994001221A1 (fr
Filing date
Publication date
Priority claimed from US07/910,784 external-priority patent/US5421921A/en
Application filed filed Critical
Priority to EP93917034A priority Critical patent/EP0649348B1/fr
Priority to AU46690/93A priority patent/AU672993B2/en
Priority to DE69314340T priority patent/DE69314340T2/de
Publication of WO1994001221A1 publication Critical patent/WO1994001221A1/fr
Publication of WO1994001221B1 publication Critical patent/WO1994001221B1/fr

Links

Abstract

Une filière plate pour produire une bande fibreuse de matériaux adhésifs comporte une pièce intercalaire à fentes présentant une pluralité de doigts situés dans la fente de la filière et divisant le matériau adhésif en une pluralité de courants adhésifs. Ces doigts possèdent des extrémités effilées qui sont situées au niveau de ou dépassent légèrement de la sortie de la buse fendue. Des courants séparés de matériaux émanent de cette sortie où ils fusionnent et viennent en contact avec un flux d'air qui produit une bande fibreuse de matériaux adhésifs. Le flux de matériaux adhésifs et le flux d'air sont déclenchés et arrêtés avec des décalages pour produire des bandes fibreuses discontinues présentant des bords avant et arrière carrés et coupés net.
PCT/US1993/006434 1992-07-08 1993-07-08 Filiere plate segmentee pour projection de fibres par jet d'air WO1994001221A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP93917034A EP0649348B1 (fr) 1992-07-08 1993-07-08 Filiere plate segmentee pour projection de fibres par jet d'air
AU46690/93A AU672993B2 (en) 1992-07-08 1993-07-08 Segmented slot die for air spray of fibers
DE69314340T DE69314340T2 (de) 1992-07-08 1993-07-08 Geteilte schlitzdüse für luftspritzen von fasern

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/910,784 US5421921A (en) 1992-07-08 1992-07-08 Segmented slot die for air spray of fibers
US07/910,784 1992-07-08

Publications (2)

Publication Number Publication Date
WO1994001221A1 WO1994001221A1 (fr) 1994-01-20
WO1994001221B1 true WO1994001221B1 (fr) 1994-03-17

Family

ID=25429319

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/006434 WO1994001221A1 (fr) 1992-07-08 1993-07-08 Filiere plate segmentee pour projection de fibres par jet d'air

Country Status (7)

Country Link
US (1) US5421921A (fr)
EP (1) EP0649348B1 (fr)
JP (1) JP2611155B2 (fr)
AU (1) AU672993B2 (fr)
CA (1) CA2139222A1 (fr)
DE (1) DE69314340T2 (fr)
WO (1) WO1994001221A1 (fr)

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