[특허]Method and apparatus for controlling deflection of an adjustable crown roll

[미국특허] Method and apparatus for controlling deflection of an adjustable crown roll 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B30B-003/04
출원번호	US-0036100 (1987-04-08)
우선권정보	FI-0001511 (1986-04-09)
발명자 / 주소	Niskanen Juhani (JyvskylFIX)
출원인 / 주소	Valmet Oy (FIX 03)
인용정보	피인용 횟수 : 19 인용 특허 : 9

초록 ▼

A method and apparatus for obtaining substantially uniform profiles of the roll mantles of an adjustable-crown roll and a counter-roll at a nip formed therebetween wherein the bearing distance of the counter-roll is substantially larger than the bearing distance of the adjustable-crown roll and wherein the nip is loaded by load forces applied to one or both rolls, preferably at regions of the bearings. A compensation moment is produced by devices situated within the mantle of the adjustable-crown roll between the bearings thereof loading both end regions of the roll mantle, the magnitude of the moment adjustable by adjusting the moment-producing compensation force such that the profiles of the deflected roll mantles of the adjustable-crown roll and the counter-roll at the nip are substantially uniform.

대표청구항 ▼

A method for obtaining uniform profiles of roll mantles of an adjustable-crown roll and a counter-roll at a nip formed therebetween, wherein the adjustable-crown roll includes a fixed central axle and a hollow roll mantle rotatably mounted on the axle by bearings spaced from each other by a first bearing distance, and wherein the counter-roll is mounted on axle journals fixed to the counter-roll mantle by bearings spaced from each other by a second bearing distance which is larger than the first bearing distance, and wherein the nip formed between the adjustable-crown roll and the counter-roll is loaded by applying load forces to one or both of the adjustable-crown roll and the counter-roll, comprising the steps of: providing devices inside the hollow mantle of the adjustable-crown roll and within the first bearing distance operable for producing a compensation force which in turn produces a compensation moment which loads a respective end region of the roll mantle of the adjustable-crown roll; loading each end region of the adjustable-crown roll by a compensation moment through operation of said devices, said compensation moment being produced by directing the compensation force in a direction substantially parallel to the axis of the adjustable-crown roll upon components within the roll mantle of the adjustable-crown roll and wherein the compensation force has a torque arm having a length equal to the distance between the line of action of the compensation force and the central axis of the adjustable-crown roll; and adjusting the magnitude of said compensation moment by adjusting the magnitude of the compensation force whereby the profiles of the deflected roll mantles of the adjustable-crown roll and the counter-roll at the nip formed therebetween are adjustable to be substantially uniform.

이 특허에 인용된 특허 (9) 인용/피인용 타임라인 분석

Marchioro Ignazio (Schio ITX), Apparatus for controlling the pressing force between a controlled deflection roll and a counter element.
상세보기
Hemmi Rolander (Richterswil CHX), Controlled deflection roll.
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Ksters Eduard (Gustav-Fnders-Web 18 4150 Krefeld DEX) Ahrweiler Karl-Heinz (Krefeld DEX), Controlled deflection roll.
상세보기
Tschirner Wolfgang (Tnisvorst DEX), Friction-driven roll for treating web-like intermediate products by compression.
상세보기
Gttinger Heinz (Schaffhausen CHX), Method of operating a controlled deflection roll and a rolling mill equipped with at least one controlled deflection rol.
상세보기
Schiel Christian (Heidenheim DEX) Wolf Robert (Herbrechtingen DEX), Press roll with adjustable flexion.
상세보기
Schiel Christian (Heidenheim DEX) Wolf Robert (Herbrechtingen DEX), Press roll with adjustable sag capability.
상세보기
Schiel Christian (Heidenheim DEX), Press roller with adjustable bending characteristics.
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Feldman Hugo (Alsdorf-Warden DEX) Gttinger Heinz (Schaffhausen CHX), Rolling mill.
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이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Niskanen Juhani,FIX, Apparatus for supporting a roll mantle.
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Junk, Dieter; Linder, Heiko, Calender and process to treat a material web.
상세보기
Marti,Heinrich; Barb��,Jacques; Steiner,Benno; Streubel,Hans, Casting roller for a double-roller continuous casting machine.
상세보기
Graf, Edwin X.; Eng, James A.; Root, David W., Control system for gap measuring.
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Denis L. Munsche, Flexible end supporting arrangement for direct drive adjustable spreader rolls.
상세보기
Brown Dale A. ; Roerig Arnold J., Hydrostatic self-loading controlled deflection roll.
상세보기
Ehrola Juha (JyvskylFIX), Method and apparatus for reel-up of a paper web.
상세보기
Niskanen Juhani,FIX, Method and apparatus for supporting a roll mantle.
상세보기
Kivioja Pekka,FIX ; Salavamaki Esa,FIX, Method for providing a roll mantle of a tubular roll for a paper machine or equivalent with glide bearings.
상세보기
Niskanen Juhani (Oulunsalo FIX) Kivioja Pekka (Muurame FIX) Lahtinen Juha (Jyvaskyla FIX) Lensu Esa (Jyvaskyla FIX) Salavamaki Esa (Muurame FIX), Method for providing a roll mantle of a tubular roll for a paper machine or equivalent with roll bearings.
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Siew, Wei-ling; Zhang, Jiajie; Garg, Aditya, Method of dewatering in a continuous high internal phase emulsion foam forming process.
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Siew, Wei-ling; Zhang, Jiajie; Garg, Aditya, Method of dewatering in a continuous high internal phase emulsion foam forming process.
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Abe Tsuyoshi (Tokyo JPX) Nomoto Akira (Tokyo JPX), Paper calendering apparatus.
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Munche, Denis L.; Boutin, David P., Spreader roll.
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Bryl, Derek A.; LeFevre, Jason Mathew; Herrmann, Douglas K.; Ledgerwood, Adam Douglas, Spreader system having pressure roll and method for controlling pressure in a pressure roll.
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Hada, Frank S.; Hermans, Michael A.; Gropp, Ronald F.; Costello, Peter K., Through-air dryer assembly.
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Hada, Frank S.; Hermans, Michael A.; Gropp, Ronald F.; Costello, Peter K., Through-air dryer assembly.
상세보기
Hada,Frank S.; Hermans,Michael A.; Gropp,Ronald F.; Costello,Peter K., Through-air dryer assembly.
상세보기
Kivioja Pekka (Muurame FIX) Salavamaki Esa (Muurame FIX), Tubular roll for a paper machine or equivalent with glide bearings.
상세보기

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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] Method and apparatus for controlling deflection of an adjustable crown roll 원문보기