Method and apparatus for the electrostatic charging of a web or

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – With means applying electromagnetic wave energy or...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

422907, 361225, 361230, 204164, B01J 1500, B01J 1912

Patent

active

056860501

ABSTRACT:
A web or film is electrostatically charged by sequentially subjecting the web or film to a series of electric fields such that adjacent electric fields have substantially opposite polarities. Both a method and apparatus are disclosed for charging the web or film.

REFERENCES:
patent: 1169428 (1916-01-01), Rogers
patent: 1394064 (1921-10-01), Chapman
patent: 2327695 (1943-08-01), Beregh
patent: 2333213 (1943-11-01), Slayter
patent: 2740184 (1956-04-01), Thomas
patent: 2946541 (1960-07-01), Boyd
patent: 2969463 (1961-01-01), McDonald
patent: 3067119 (1962-12-01), Ramaika
patent: 3095163 (1963-06-01), Hill
patent: 3111605 (1963-11-01), Muller et al.
patent: 3162398 (1964-12-01), Clauser et al.
patent: 3274088 (1966-09-01), Wolinski
patent: 3274090 (1966-09-01), Amborski
patent: 3281347 (1966-10-01), Winder
patent: 3308045 (1967-03-01), Sullivan
patent: 3308344 (1967-03-01), Smith et al.
patent: 3360220 (1967-12-01), Meyer
patent: 3503859 (1970-03-01), Goncarovs et al.
patent: 3507348 (1970-04-01), Aronson
patent: 3507763 (1970-04-01), McBride
patent: 3510094 (1970-05-01), Clark
patent: 3643128 (1972-02-01), Testone
patent: 3661735 (1972-05-01), Drelich
patent: 3705844 (1972-12-01), Haas
patent: 3777164 (1973-12-01), Osman
patent: 3959104 (1976-05-01), Fales
patent: 4048364 (1977-09-01), Harding et al.
patent: 4088731 (1978-05-01), Groome
patent: 4215682 (1980-08-01), Kubik et al.
patent: 4239973 (1980-12-01), Kolbe et al.
patent: 4273635 (1981-06-01), Beraud et al.
patent: 4284490 (1981-08-01), Weber
patent: 4375718 (1983-03-01), Wadsworth
patent: 4419869 (1983-12-01), Sando et al.
patent: 4426597 (1984-01-01), Denoyer et al.
patent: 4464223 (1984-08-01), Gorin
patent: 4465547 (1984-08-01), Belke, Jr. et al.
patent: 4469932 (1984-09-01), Spiegelberg et al.
patent: 4504349 (1985-03-01), Ueno et al.
patent: 4513049 (1985-04-01), Yamasaki et al.
patent: 4534842 (1985-08-01), Arnal et al.
patent: 4534918 (1985-08-01), Forrest, Jr.
patent: 4576692 (1986-03-01), Fukuta et al.
patent: 4588537 (1986-05-01), Klasse et al.
patent: 4590042 (1986-05-01), Drage
patent: 4592815 (1986-06-01), Nakao
patent: 4626263 (1986-12-01), Inoue et al.
patent: 4668366 (1987-05-01), Zarowin
patent: 4687573 (1987-08-01), Miller et al.
patent: 4771730 (1988-09-01), Tezuka
patent: 4801435 (1989-01-01), Tylko
patent: 4804431 (1989-02-01), Ribner
patent: 4874659 (1989-10-01), Ando et al.
patent: 4883570 (1989-11-01), Efthimion
patent: 4894131 (1990-01-01), Jacobs et al.
patent: 4904174 (1990-02-01), Moosmayer et al.
patent: 4919968 (1990-04-01), Buhl et al.
patent: 4931135 (1990-06-01), Horiuchi et al.
patent: 4950531 (1990-08-01), Radwanski
patent: 4968374 (1990-11-01), Tsukada et al.
patent: 4968918 (1990-11-01), Kondo et al.
patent: 4970104 (1990-11-01), Radwanski
patent: 4980022 (1990-12-01), Fujimura et al.
patent: 4989006 (1991-01-01), Roth
patent: 4997600 (1991-03-01), Okumura et al.
patent: 5024819 (1991-06-01), Dintner et al.
patent: 5051159 (1991-09-01), Togashi et al.
patent: 5061359 (1991-10-01), Babu et al.
patent: 5102496 (1992-04-01), Savas
patent: 5116444 (1992-05-01), Fox
patent: 5122048 (1992-06-01), Deeds
patent: 5124173 (1992-06-01), Uchiyama et al.
patent: 5126635 (1992-06-01), Doehler et al.
patent: 5131992 (1992-07-01), Church et al.
patent: 5131993 (1992-07-01), Suib
patent: 5147493 (1992-09-01), Nishimura
patent: 5162633 (1992-11-01), Sonobe et al.
patent: 5163458 (1992-11-01), Monroe
patent: 5185132 (1993-02-01), Horilke et al.
patent: 5213658 (1993-05-01), Ishida
patent: 5221427 (1993-06-01), Koinuma et al.
patent: 5225659 (1993-07-01), Kusano et al.
patent: 5227172 (1993-07-01), Deeds
patent: 5244482 (1993-09-01), Hassenboehler, Jr. et al.
patent: 5252178 (1993-10-01), Moslehi
patent: 5261965 (1993-11-01), Moslehi
patent: 5266153 (1993-11-01), Thomas
patent: 5270137 (1993-12-01), Kubota
patent: 5272417 (1993-12-01), Ohmi
patent: 5275665 (1994-01-01), Okazaki et al.
patent: 5309063 (1994-05-01), Singh
patent: 5316739 (1994-05-01), Yoshikawa et al.
patent: 5387842 (1995-02-01), Roth et al.
patent: 5401446 (1995-03-01), Tsai et al.
patent: 5403453 (1995-04-01), Roth et al.
patent: 5414324 (1995-05-01), Roth et al.
patent: 5415719 (1995-05-01), Akimoto
patent: 5441550 (1995-08-01), Hassenboehler, Jr. et al.
patent: 5443606 (1995-08-01), Hassenboehler, Jr. et al.
patent: 5456796 (1995-10-01), Gupta et al.
patent: 5456972 (1995-10-01), Roth et al.
patent: 5464499 (1995-11-01), Moslehi et al.
patent: 5507874 (1996-04-01), Su et al.
patent: 5531862 (1996-07-01), Otsubo et al.
Adams, J., "Specialty Nonwovens with Enhanced Filtration Performance", INDA Association of the Nonwoven Fabrics Industry (Mar. 12-14-, 1991).
Ando, Katsutoshi, "Synthetic Electret Filter Media for HEPA Filtration", INDA Association of the Nonwoven Fabrics Industry (Undated).
Denes, L. et al., "Laser Gain Characterization of Near-Atmospheric CO.sub.2 :N.sub.2 :He Glows in a Planar Electrode Geometry", J. Appl. Phys., vol. 44, No. 9, pp. 4125-4136 (Sep., 1973).
Egitto, F. et al., "Plasma Modification of Polymer Surfaces for Adhesion Improvement", IBM J. Res. Develop., vol. 38, No. 4, pp. 423-439 (Jul. 1994).
Eliasson, B. et al., "The Silent Discharge and its Application to Ozone and Excimer Formation", Nonequilibrium Processes in Partially Ionized Gases, pp. 401-410, Plenum Press, N.Y. (1990).
Kanazawa, S. et al., "Stable Glow Plasma at Atmospheric Pressure", J. Phys. D: Appl. Phys., vol. 21, pp. 838-840 (1988).
Kanda, N. et al., "Atmospheric Pressure Glow Plasma and its Application to Surface Treatment and Film Deposition", International Symposium on Plasma Chemistry, Symposium Proceedings, vol. 3, Bochum, Germany (Aug. 4-9, 1991).
Kim, S., "Surface Modification of Polypropylene in an Impulse Corona Discharge", Korean Journal of Chemical Engineering 13(1), pp. 97-100.
Kogoma, M. et al., "Wettability Control of a Plastic Surface by CF.sub.4 -O.sub.2 Plasma and Its Etching Effect", J. Phys. D: Appl. Phys., vol. 20 (1987).
Liu, C., "Plasma-Related Characteristics of a Steady-State Glow Discharge at Atmospheric Pressure", Presented at the 1993 Sigma XI Graduate Student Paper Comp. The Univ. of Tennessee, Knoxville, TN (Mar. 4, 1993).
Liu, C. and Roth, J.R., "Characteristics of a Steady-State, Low Power Glow Discharge at Atmospheric Pressure", Bulletin of the Am. Phys. Society, Series II, vol. 37, No. 6, p. 1563 et seq. (Nov., 1992).
Malik, M.R. et al., "Ion Wind Drag Reduction", AIAA 21st Aerospace Sciences Meeting (AIAA-83-0231), Reno, Nevada (Jan. 10-13, 1983).
Prinz, E. et al., "Verbundprojekt: Oberflachenbeschichtung mit transienten Glimmentladungen bei Atmospharendruck-Teilvorhaben: Up-scaling der Grundsatzuntersuchung an Iaufenden Kunststoffbahmen", Statusseminar, Oberflachen- un Schichttechnologien, Mainz, Germany (May 29-31, 1995).
Rakowski, W., "Plasma Modification of Wool Under Industiral Conditions", Melliand Textilberichte, vol. 70, pp. 780-785 (1989).
Rakowski, W., "Effect and Cost of Plasma Treatment of Polypropylene Melt blown Webs", Second Annual TANDEC Conference (Oct. 13-16, 1992).
Reitz, H. et al., "Power Modulation for Dielectric Barrier-Discharges", Paper presented at Twentieth Power Modulator Symposium (1992).
Roth, J.R. et al., "Experimental Generation of a Steady-State Glow Discharge at Atmospheric Pressure", 1992 (19th) IEEE Int. Conference on Plasma Science, Conference Record-Abstracts, Paper 5P-21, IEEE Catalog No. 91-TH0460-6, ISBN 0-7803-0716-X, pp. 170-171, Tampa, FL (Jun. 1-3, 1992).
Roth, J.R. et al., "Plasma-Related Characteristics of a Steady-State Glow Discharge at Atmospheric Pressure", Paper 2P-18, Proc. 1993 IEEE Int. Conf. on Plasma Science ,Vancouver, B.C. IEEE Catalog No. 93-CH3334-0, ISBN 0-7803-1360-7, p. 129 (1993).
Roth, J.R. et al., "Preliminary Measurements of the Plasma Properties of a One Atmospher Glow Discharge Plasma", Paper presented at 35th Ann. Meeting of APS Div. of Plasma Physics, APS Bulletin, Series II, vol. 38, No. 10, No. 10, p. 1901, St. Louis, MO (Nov. 1-5, 1993).
Salge, J., "Plasma-Assisted Deposition at Atmospheric Pressure", Journal De Physique IV, Symposium C5

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for the electrostatic charging of a web or does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for the electrostatic charging of a web or , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for the electrostatic charging of a web or will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1226412

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.