Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7367264 | Method and apparatus for treating sheets including a vacuum roller for retaining sheets in curved configuration An apparatus and method for retaining individual sheets of substrate in a curved configuration during coating or printing is disclosed. ... | 05/06/2008 |
| 7331120 | Throughflow cylinder A throughflow cylinder made at least partly of fiber-reinforced plastic including glass fibers, aramide fibers, carbon fibers, and/or carbon-reinforced plastic (CRP). The matrix material of the fiber-reinforced plastic includes a material heat resistant at least up ... | 02/19/2008 |
| 7180227 | Piezoelectric o-ring transducer An o-ring sealing device, molded with an imbedded piezoelectric element, for use in vacuum systems. The imbedded element, of a circumferential length, has an oblong cross-sectional shape, the oblong shape having a pair of ends for externally connecting to a signal p... | 02/20/2007 |
| 7147230 | Sealing device and sleeve and holding element for such The sealing device is for drum filters or filter presses to form a seal between the rotary drum end faces and the end faces of the trough in which the rotary drums are situated. A sealing element (3) is disposed in a groove (1) on the rotary drum end f... | 12/12/2006 |
| 7144477 | Wear indicator for seal strip in a suction box of a paper machine A suction roll assembly includes a suction roll having a perforated shell, and a suction box positioned within the suction roll. The suction box includes a holder, a seal strip adjacent the shell and carried by the holder, at least one target carried by the seal str... | 12/05/2006 |
| 7090219 | Sealing device Sealing device for sealing at least one zone of underpressure or overpressure adjoining a moving surface that includes at least one sealing element, positionable opposite the moving surface to form a front and a rear, with respect to a surface running direction. The... | 08/15/2006 |
| 6986831 | Suction roll of a paper machine A paper machine suction roll has a perforated shell (10) and a static suction box (11) sealed against the inner surface of the shell (10) to create a suction zone (11a) on the roll surface as it rotates. Holes (14) extending... | 01/17/2006 |
| 6551460 | Process for sealing pressure zones in a paper-making machine Process for laterally sealing at least one excess pressure or vacuum zone adjoining a moving surface in a paper-making machine by way of a sealing device that includes at least one sealing element, the process comprising arranging the sealing device in a ... | 04/22/2003 |
| 6436241 | Suction roll seal strip with wear indicator Seal strip for a hollow circular cylindrical screening device, which screening device is intended to be used in a paper or cardboard machine for the production of paper or cardboard, the seal strip having an indicator for indicating wear of the seal strip... | 08/20/2002 |
| 6402896 | Roll for a paper or board machine The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, end flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantl... | 06/11/2002 |
| 6395137 | Seal construction for a suction box in a suction roll in a paper/board machine The invention concerns a seal construction for a suction roll in a paper machine. The seal construction (10) comprises a substantially U-section holder (12) open towards the inner face (3) of the roll mantle, a seal which is mounted in the holder, which i... | 05/28/2002 |
| 6358370 | Sealing arrangement for a suction box of a suction roll A suction box comprises a fixed frame part (11) and a lid part (12) disposed in the frame part (11) to be movable. The moving lid part (12) moves relative to the fixed frame part (11) with the aid of gravity or with the aid of expansion members (15a, 15b,... | 03/19/2002 |
| 6334934 | Sealing device and process for sealing pressure zones in a paper-making machine Sealing device and process for laterally sealing at least one excess pressure or vacuum zone adjoining a moving surface in a paper-making machine. The sealing device has at least one sealing element arranged in a receptacle area of a holder and is movable... | 01/01/2002 |
| 6312564 | Sealing device and process for sealing pressure zones in a paper-making machine A sealing device and process for laterally sealing at least one overpressure zone or underpressure zone adjacent to an actuating surface in a paper-making machine. The sealing device has at least one sealing element arranged movably at least locally in an... | 11/06/2001 |
| 6302399 | Sealing device and process for sealing a moving surface with the sealing device Sealing device for laterally sealing of at least one overpressure zone and vacuum zone in a paper machine and process for sealing a moving surface with the sealing device. The sealing device includes a moving surface adjacent to the at least one overpress... | 10/16/2001 |
| 6254732 | Method for loading a seal of a suction roll and a sealing construction thereof A sealing construction for loading a seal against a suction roll in a paper machine includes a seal having a wear surface, side surfaces and a lower surface. The seal is fitted from its holder to the structure of a suction box which is inside the suction ... | 07/03/2001 |
| 6241854 | Suction roll sealing strip A composite is provided for forming a sealing strip for use in a suction roll of a papermaking machine or other device for maintaining a seal when brought into contact with a surface and that has extended usability and wear. The composite is a blend of a ... | 06/05/2001 |
| 5975532 | Seal construction for a suction roll in a paper machine A seal construction for a suction roll in a paper machine including a substantially U-section holder open toward an inner face of the roll mantle and a seal mounted in the holder and extending in the axial direction of the roll. The seal includes a frame ... | 11/02/1999 |
| 5935386 | Suction roll box Suction box for a machine producing a web containing cellulose fibers, said suction box being placed inside a rotating suction roll (2) provided with a perforated jacket (1), said suction box (3) comprising a suction chamber (4) having a suction inlet (6)... | 08/10/1999 |
| 5925220 | Suction roll of a paper machine having a noise damping chamber A suction roll for a paper machine or the like including a perforated annular roll shell which is rotatable. A stationary suction box inside the roll shell with respect to which the shell rotates. The suction box is defined between two circumferentially s... | 07/20/1999 |
| 5876566 | Suction roll sealing strip A composite is provided for forming a sealing strip for use in a suction roll of a papermaking machine that has extended usability and wear. The composite is a blend of a nitrile rubber, graphite, carbon black, and polytetrafluoroethylene, optionally with... | 03/02/1999 |
| 5746891 | Wear indicators for seal strip of a suction roll of a paper making machine Wear indicators (80) are formed in the seal strips (52, 54) of a suction box (44) of a suction roll assembly (15) of a papermill. The wear indicators include a space such as a bore (74) formed in the seal strip, extending through the arcuate seal surface ... | 05/05/1998 |
| 5580424 | Apparatus and method for sealing a suction box of a suction roll in a paper machine A sealing construction for a suction box of a suction roll in a paper machine and a method for sealing a suction roll in which a seal is arranged in a holder and loading members, preferably at least one loading hose, are arranged between the holder and th... | 12/03/1996 |
| 5471765 | Arrangement in a dryer for a fibre web An arrangement in a dryer for a fibre web for sealing bands (5a, 5b) that move between a chamber (3) containing pressurized vapor and a chamber (1) containing pressurized water and transport a web (7) and a felt (8) between them, and also for sealing the ... | 12/05/1995 |
| 5059286 | Cylinder for the guiding of endless webs of material A hollow cylinder exhibits an internal body, which forms a sickle-shaped space by means of a partial cylindrical surface arranged eccentrically to the hollow cylinder, with a smaller radius than its internal radius. In this space there is created a vacuum... | 10/22/1991 |
| 4915787 | Paper machine suction roll seal strips A sealing strip and joint for a papermaking machine suction roll is disclosed which includes in combination a stationary suction box and a perforated cylindrical shell which rotates around the stationary suction box disposed centrally within the cylindric... | 04/10/1990 |
| 4787641 | Arrangement for sealing a chamber containing pressure medium An arrangement for sealing a chamber containing pressure medium against a movable band. The band is arranged to form one side of the chamber. The arrangement comprises a sealing framework which is fastened to a body part of the chamber by means of a resil... | 11/29/1988 |
| 4714523 | Suction roll seal strips with teflon insert Sealing strips mounted on an internal vacuum box and engaged with the internal surface of a perforated rotatable shell forming a suction roll in a conventional paper making machine are contructed from a body portion of organic material having an outer sur... | 12/22/1987 |
| 4693784 | Suction roll and method for applying a negative pressure over a sector of a roll A method for applying a negative pressure over a sector of an air-pervious mantle of a roll includes providing a suction chamber within the pervious roll mantle which extends over a suction sector of the roll, directing air jets away from the suction cham... | 09/15/1987 |
| 4139412 | Multi-ply continuous paper web former A foraminous multi-zone wire mesh covered suction roll useful in a papermaking machine and in a multi-cylinder paper-making machine wherein the roll is divided into at least four discrete zones by generally radial divider elements and wherein at least a f... | 02/13/1979 |
| 4101374 | Dewatering device including a drum with radially slanted cells A roller to de-water fiber suspensions comprises a perforated drum having open ended radial cells formed in the wall thereof. The cells are defined by blades or bridges which form an angle with the radius of the drum at least at the forward end of the bri... | 07/18/1978 |
| 4076582 | Suction roll sealing strip cleaning structure A self-cleaning suction roll assembly of the type comprising a generally cylindrical shell having an outer radial surface, an inner radial surface and perforations formed in the shell extending from the outer radial surface to the inner radial surface. Th... | 02/28/1978 |
| 4058435 | Seal assembly for pressure or vacuum chambers Improvements in seal assembly for use in pressure or vacuum chambers or the like comprising a sealing element which may be selectively placed in sealing condition or retracted to a non-sealing condition, the sealing element having a sealing surface adapte... | 11/15/1977 |
