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Patent Searching and Data


Title:
NONWOVEN, AND PROCESS AND APPARATUS FOR PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/2019/222992
Kind Code:
A1
Abstract:
A process and an apparatus for making a fibrous web. The fibrous web comprises a plurality of first areas comprising hydroentangled fibers. The first areas are discrete in a machine direction and/or a counter-machine direction. The process comprises the steps of : subjecting a fibrous web (30) to a hydroentanglement process directing water jets from a water injection means (32) on to the fibrous web (30), and blocking at least one of the water jets from the water injection means (32) discontinuously using a first blocking member (50) positioned between the water injection means (32) and the fibrous web (30), wherein the first blocking member (50) comprises at least one aperture (52) or recess on its surface and rotates about an axis perpendicular to a z-direction.

Inventors:
LIU XIAOXIN (CN)
RANE SHRISH YASHWANT (CN)
VIENS GERARD ALAIN (US)
NISHIKAWA MASAHARU (US)
WANG FANCHENG (CN)
Application Number:
PCT/CN2018/088353
Publication Date:
November 28, 2019
Filing Date:
May 25, 2018
Export Citation:
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Assignee:
PROCTER & GAMBLE (US)
LIU XIAOXIN (CN)
RANE SHRISH YASHWANT (CN)
VIENS GERARD ALAIN (US)
NISHIKAWA MASAHARU (US)
WANG FANCHENG (CN)
International Classes:
D04H1/495; A47L13/16
Domestic Patent References:
WO2017079599A12017-05-11
WO2012073544A12012-06-07
Foreign References:
CN103249884A2013-08-14
JP2011137279A2011-07-14
CN1149885A1997-05-14
JP2009287158A2009-12-10
FR2601970A11988-01-29
US20070067972A12007-03-29
US4691417A1987-09-08
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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