[특허]Profiling air/steam system for paper-making machines

[미국특허] Profiling air/steam system for paper-making machines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	D21F-003/00 D21F-005/00
출원번호	US-0048500 (1987-04-27)
발명자 / 주소	Chance James L. (Rockton IL) Wicks Laurie D. (South Beloit IL)
출원인 / 주소	Beloit Corporation (Beloit WI 02)
인용정보	피인용 횟수 : 20 인용 특허 : 5

초록 ▼

Method and apparatus are provided for effectively controlling cross-machine moisture profile in a paper web undergoing processing, such as water-removal via a press nip. A compartmentalized system is provided in close proximity across a section of a traveling web undergoing dewatering whereby select size cross-machine compartments, for example, about 6″in width, are selectively provided with steam and/or air so as to control wet and/or dry streaks along the traveling web so that web areas opposite each compartment can be selectively heated for accentuated moistre removal or cooled for retarded water removal. In preferred embodiments, control of the profiling system occurs with the air of moisture sensors and a computer.

대표청구항 ▼

An apparatus for effective control of cross-machine moisture profile of a paper web in a papermaking machine, in combination: fluid permeable pressure roll means supporting a travelling paper web undergoing press nip dewatering; a compartmentalized steam box or air box or steam and air box positioned in working relation with said pressure roll means, said box extending in a cross-machine direction substantially across the width of said paper web and having an open front face in fluid communication with said pressure roll means and being positioned in relatively close proximity thereot, said box having a plurality of separate compartments, each in fluid communication with said front face and each having individually controllable steam and air outlets located away from said front face, so as to selectively allow a stream of steam or air in adjustable amount to flood each respective compartment and permeate a discrete, predetermined corresponding area of the paper web over said pressure roll means; a single control valve means in fluid communication with each compartment and operatively associated with a source of pressurized steam having a temperature higher than that of the web and means for supplying the pressurized steam and a source of compressed air having a temperature lower than that of the web and means for supplying the compressed air, and said steam and air outlets in each compartment, wherein said single valve means opens one of the means for supplying pressurized steam and the means for supplying compressed air while the other one is being closed to selectively control the proportions of steam and air in each compartment and maintain the total amount of steam or air or mixture of both in each compartment substantially the same; means for drawing air through said web and for exhausting the air after the air has partially cooled the web, said air altering the pressing effect of said web while on said pressure roll means by means of cooling the web by adiabatic saturation; and a water-removal means positioned in working relation with said compartmentalized box for removing water from said paper web.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Walker ; Peter J., Apparatus for web caliper control.
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Wells, Roger, Louvered steam box for controlling moisture profile of a fibrous web.
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Dove Norman F. (3187 Hoskins Rd. N. Vancouver ; British Columbia CAX 37J 3B5), Steam distribution apparatus for the nip of two rolls.
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Bergstrom William E. (Portland OR), Steam distributor.
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Wells Roger (Mercer Island WA), Steam shower for adjusting paper moisture profile.
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이 특허를 인용한 특허 (20) 인용/피인용 타임라인 분석

Anderson,Dennis W., Apparatus and method for conditioning a web on a papermaking machine.
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Kayser Franz,DEX, Apparatus and method for moistening a material web.
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Sealey, James E.; Miller, IV, Bryd Tyler; MacDonald, Phillip; Andrukh, Taras Z.; Pence, Justin C., Belt or fabric including polymeric layer for papermaking machine.
상세보기
Kayser, Franz, Calender humidity control system and method.
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Ramaratnam, Karthik; Sealey, II, James E.; Miller, IV, Byrd Tyler; Andrukh, Taras Z.; Elgin, Randy H., Cannabis fiber, absorbent cellulosic structures containing cannabis fiber and methods of making the same.
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Miller, IV, Byrd Tyler; Pence, Justin C.; Sealey, James E.; Andrukh, Taras Z.; Hayes, Shane Ervin, Manufacturing process for papermaking belts using 3D printing technology.
상세보기
Da Silva, Luiz C.; Scherb, Thomas; Kahl, Peter; Wegehaupt, Frank; Müller, Dieter, Method and apparatus for drying a fibrous web.
상세보기
Tynkkynen, Topi; Pitkäniemi, Tapio; Renvall, Stig, Method and apparatus for treating a fibrous web.
상세보기
Anderson Dennis W., Method for conditioning paper and paperboard webs.
상세보기
Anderson, Dennis W., Method for conditioning paper and paperboard webs.
상세보기
Siew, Wei-ling; Zhang, Jiajie; Garg, Aditya, Method of dewatering in a continuous high internal phase emulsion foam forming process.
상세보기
Siew, Wei-ling; Zhang, Jiajie; Garg, Aditya, Method of dewatering in a continuous high internal phase emulsion foam forming process.
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Keller Samuel F. (Beloit WI), Method of manufacturing a compressibility gradient in paper.
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Sasaki,Takashi, Method of predicting dryer steam pressure in paper machine and apparatus for the method.
상세보기
Ramaratnam, Karthik; Miller, IV, Byrd Tyler; Hayes, Shane Ervin; Sealey, II, James E., Soft through air dried tissue.
상세보기
Ramaratnam, Karthik; Miller, IV, Byrd Tyler; Hayes, Shane Ervin; Sealey, II, James E., Soft through air dried tissue.
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Schiel Christian (Heidenheim DEX), Steam blast box and method for the zone-wise temperature control of a traveling paper web.
상세보기
Schiel Christian,DEX, Steam blast box method for the zone-wise temperature control of a traveling paper web.
상세보기
Hamel, Robert, Steam box.
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Hamel Robert G.,CAX, Supercalendar steam shower.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Profiling air/steam system for paper-making machines 원문보기