D - Textiles – Paper – 01 – D
Patent
D - Textiles, Paper
01
D
D01D 4/00 (2006.01) D01D 5/30 (2006.01) D01D 5/34 (2006.01)
Patent
CA 2184926
A sheath/core-switching device and method of using same are disclosed, wherein the device contains: at least one first plate having formed on a front face thereof at least one first flow path comprising: a first chamber disposed to receive a sheath/core multicomponent fluid stream in an axial direction and to split the stream into a core-stream and multiple sheath-substreams; a first central-port for the core-stream; multiple outwardly-extending first channels for the sheath-substreams; and multiple first outer-ports formed in downstream ends of the first channels, the first outer-ports being radially disposed around the first central-port; and at least one second plate having formed on a front face thereof at least one second flow path comprising: a second chamber disposed to receive the core-stream in an axial direction and to split the core-stream into multiple core-substreams; multiple outwardly-extending second channels for the core-substreams; multiple second outer-ports for the core-substreams; multiple inwardly-extending third channels for the sheath-substreams, the third channels having inlet ends disposed to receive the sheath-substreams in an axial direction; and multiple second central-ports for the sheath-substreams, the second outer-ports being radially disposed around the second central-ports.
Basf Corporation
Robic
LandOfFree
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