专利名称：Manufacture of non-woven fibrous material
from a foamed furnish
发明人：ROBERTSON; NEIL GEORGE DOUGLAS申请号：US34859673申请日：19730406公开号：US3871952A公开日：19750318
摘要：Non-woven fibrous material is manufactured from a foamed fibre dispersion fedto a foraminous support and the invention resides in forming the foamed fibre dispersionby applying a vacuum to the underside of the support to recover a major part of theliquid from the dispersion on the support, delivering the recovered liquid to a mixer andmixing the recovered liquid in the mixer with fibres, a air, and a surface active agent toobtain a mixture thereof which is fed to a foaming device in which the foamed fibredispersion is formed for feeding to the support.
申请人：WIGGINS TEAPE RESEARCH & DEVELOPMENT LIMITED
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