CA1337150C - Fibres orientees obtenues par fusion-soufflage, procede utilise pour la fabrication de ces fibres et bandes constituees de ces fibres
- Google Patents
Fibres orientees obtenues par fusion-soufflage, procede utilise pour la fabrication de ces fibres et bandes constituees de ces fibres
Info
Publication number
CA1337150C
CA1337150CCA000616525ACA616525ACA1337150CCA 1337150 CCA1337150 CCA 1337150CCA 000616525 ACA000616525 ACA 000616525ACA 616525 ACA616525 ACA 616525ACA 1337150 CCA1337150 CCA 1337150C
Authority
CA
Canada
Prior art keywords
fibers
chamber
web
melt
blown
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/135,693external-prioritypatent/US4988560A/en
Application filed by Minnesota Mining and Manufacturing CofiledCriticalMinnesota Mining and Manufacturing Co
Application grantedgrantedCritical
Publication of CA1337150CpublicationCriticalpatent/CA1337150C/fr
CA000616525A1987-12-211992-11-20Fibres orientees obtenues par fusion-soufflage, procede utilise pour la fabrication de ces fibres et bandes constituees de ces fibres
Expired - Fee RelatedCA1337150C
(fr)
Entangled nonwoven fabric made of two fibers having different lengths in which the shorter fiber is a conjugate fiber in which an exposed component thereof has a lower melting temperature than the longer fiber and method of making same