Electronic spinning apparatus

Details Electronic spinning apparatus Electronic spinning apparatus

2006-01-31

2006-01-31

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With means applying wave energy or electrical energy...

C156S167000, C425S166000, C425S174600, C425S17480R, C425S17480E, C425S461000, C264S010000, C264S465000

Reexamination Certificate

active

06991702

ABSTRACT:
An electrospinning apparatus including a spinning dope main tank, a metering pump, a nozzle block, a collector positioned at the lower end of the nozzle block for collecting spun fibers, a voltage generator, a plurality of units for transmitting a voltage generated by the voltage generator to the nozzle block and the collector, said electrospinning apparatus containinga spinning dope drop device positioned between the metering pump and the nozzle block, the spinning dope drove device having(i) a sealed cylindrical shape,(ii) a spinning dope inducing tube and a gas inletting tube for receiving gas through its lower end and having its gas inletting part connected to a filter aligned side-by-side at the upper portion of the spinning dope drop device,(iii) a spinning dope discharge tube extending from the lower portion of the spinning dope drop device and(iv) a hollow unit for dropping the spinning dope from the spinning dope inducing tube formed at the middle portion of the spinning dope drop device.

REFERENCES:
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patent: 4965110 (1990-10-01), Berry
patent: 5024789 (1991-06-01), Berry
patent: 6106913 (2000-08-01), Scardino et al.
patent: 6110590 (2000-08-01), Reneker et al.
patent: 6616435 (2003-09-01), Lee et al.
patent: 6713011 (2004-03-01), Chu et al.

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