IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0145855
(2002-05-14)
|
우선권정보 |
DE-0023529 (2001-05-15); DE-0063575 (2001-12-21) |
발명자
/ 주소 |
- Halmschlager, Gü
- nter
- Haunlieb, Herbert
- Haase, Christoph
- Lehner-Dittenberger, Stefan
- Keinberger, Rü
- diger
- Fitzke, Helmut
- Boden, Herbert
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
7 |
초록
▼
The present invention is a machine for manufacturing a fibrous web from a fibrous suspension, with a sheet forming area that exhibits at least one suction box, which includes a main box with at least one suction box cover that is formed from at least two drainage elements that run laterally to the m
The present invention is a machine for manufacturing a fibrous web from a fibrous suspension, with a sheet forming area that exhibits at least one suction box, which includes a main box with at least one suction box cover that is formed from at least two drainage elements that run laterally to the machine's running direction, border a suction slit, and each has one main body and at least one ceramic. The present invention is identified by the fact that at least one drainage element and/or one format slide exhibit at least one removable edge piece in which is integrated at least one temperature sensor in order to measure the temperature in the ceramic and/or the temperature at an adhesive point between the ceramic and the associated main body and/or the temperature in the main body. The present invention is furthermore a process and a system for monitoring a drainage element.
대표청구항
▼
1. A machine for manufacturing a fibrous web from a fibrous suspension, said machine having a running direction and a sheet forming area, said machine comprising:at least one suction box, each said suction box including a main box having at least one connection associated therewith configured for co
1. A machine for manufacturing a fibrous web from a fibrous suspension, said machine having a running direction and a sheet forming area, said machine comprising:at least one suction box, each said suction box including a main box having at least one connection associated therewith configured for connection with at least one vacuum source, each said connection including a line;at least one porous fabric motivating the fibrous web through the sheet forming area in close proximity to at least one said suction box, said porous fabric having two edge zones, each said edge zone being parallel to said running direction and located on an outer edge of said porous fabric;at least one suction box covering connected to each said suction box, each said suction box covering including at least two drainage elements disposed laterally to said running direction, said at least two drainage elements border a suction slit, each said drainage element including a drainage element main body, at least one drainage element ceramic and at least one drainage element adhesive point joining said drainage element main body and said at least one drainage element ceramic;a format slide located in each said edge zone of each said suction slit including a format slide main body, at least one format slide ceramic and at least one format slide adhesive point joining said format main body to said at least one format slide ceramic,at least one removable edge piece connected to at least one of said format slide and said at least one drainage element; andat least one temperature sensor connected to said at least one edge piece. 2. The machine of claim 1, wherein said at least one temperature sensor measures a temperature of at least one of said drainage element main body, said drainage element ceramic, said drainage element adhesive point, said format slide main body, said format slide ceramic, and said format slide adhesive point. 3. The machine of claim 1, wherein a sheet forming area is defined by the area of said at least one suction box overlayed by the fiber suspension. 4. The machine of claim 1, wherein said at least one porous fabric is a mesh screen. 5. The machine of claim 1, wherein said at least two drainage elements are drainage rails. 6. The machine of claim 1, wherein said at least one temperature sensor is located in said at least one drainage element ceramic proximate to a surface of said at least one drainage element ceramic, said surface of said at least one drainage element ceramic indicating an approximate maximum temperature. 7. The machine of claim 1, wherein said at least one temperature sensor is located in said at least one format slide ceramic proximate to a surface of said at least one format slide ceramic, said surface indicating an approximate maximum temperature. 8. The machine of claim 1, wherein said at least one temperature sensor is located above a section of the width of said at least one drainage element that is wetted with said at least one porous fabric. 9. The machine of claim 1, wherein said at least one temperature sensor is located in a recess of at least one of said at least one drainage element ceramic and said at least one format slide ceramic. 10. The machine of claim 1, wherein said at least one temperature sensor is located in at least one of beginning and end of said at least one drainage element as viewed from the running direction. 11. The machine of claim 1, wherein said at least one temperature sensor comprises a plurality of temperature sensors positioned at a periodic distance to each other as view in a direction lateral to said running direction. 12. The machine of claim 11, wherein said periodic distance is approximately 500 mm. 13. The machine of claim 1, wherein each said temperature sensor is a thermocouple. 14. The machine of claim 1, wherein at least one of said drainage element main body and said format slide main body is comprised of a glass fiber reinforced plastic. 15. The machine of claim 1, wher ein at least one of said at least one drainage element ceramic and said at least one format slide ceramic is a small ceramic plate with a height of between approximately 1 mm and 10 mm. 16. The machine of claim 15, wherein said height is between approximately 2 mm and 6 mm. 17. The machine of claim 1, wherein said format slide is positionable laterally to said running direction. 18. The machine of claim 1, wherein said format slide is of unitary construction with a constant height. 19. The machine of claim 18, wherein said format slide further includes a height adjustment mechanism. 20. The machine of claim 19, wherein said height adjustment mechanism includes at least one adjustment screw and at least one locking screw. 21. The machine of claim 1, wherein said format slide is of multi-piece construction with a constant height. 22. The machine of claim 21, wherein said format slide further includes a height adjustment mechanism. 23. The machine of claim 21, wherein said height adjustment mechanism further includes at least one adjustment screw and at least one locking screw. 24. The machine of claim 1, wherein said format slide includes an extension extending toward said sheet forming area. 25. The machine of claim 24, wherein said extension contacts said porous fabric. 26. The machine of claim 24, wherein said format slide is fluid permeable. 27. The machine of claim 24, wherein said format slide surface in contact with said porous fabric has a profile approximately equivalent to a profile of said at least one drainage element surface in contact with said porous fabric. 28. The machine of claim 24, wherein said extension is wedge-shaped. 29. The machine of claim 24, wherein said extension is perforated.
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