Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7975606 | Auxiliary device for harvesting pasture An auxiliary device for harvesting pasture prevents clogging at a roll baler to increase speed of harvesting pasture and decrease occurrence of troubles and enhance density of roll package. The auxiliary device for harvesting pasture includes tires having a predeter... | 07/12/2011 |
| 7325490 | Relief cylinder structure of a multinip calender A relief cylinder structure for guiding a roll in a multinip calender has a frame and an arm that is arranged to move linearly in relation to the frame. A quick-opening cylinder is placed inside the arm. In a fault situation, the relief cylinder causes the cylinder ... | 02/05/2008 |
| 7228797 | Cordless blind A cordless blind includes a headrail, a bottom rail suspended from the headrail by a first cord and a second cord, a wall covering disposed between the headrail and the bottom rail, and a drive actuator. The drive actuator includes a spring motor, a spool coupled to... | 06/12/2007 |
| 7207268 | Apparatus and method of enhancing printing press cylinders A printing press cylinder and a method of manufacturing the same. The printing press cylinder includes a rigid base member having a reduced radius section and a polymer layer formed about the rigid base member generally within the reduced radius section. The polymer... | 04/24/2007 |
| 7156382 | Dual airbag airspring An air spring assembly includes a primary airbag mounted to a piston air bag such that the piston airbag provides a rolling surface for the primary airbag. A change in the piston airbag pressure changes the effective rate of the primary air spring. A relatively smal... | 01/02/2007 |
| 7147453 | Device for treating flat material The invention relates to a device for embossing and/or glazing films. The device for embossing includes a first and second embossing roll, through which flat material can be fed under pressure, in order to create a pattern. An additional embossing roll is connected ... | 12/12/2006 |
| 7134387 | Refrigerator dismantling method, compression equipment, and refrigerator dismantling device A refrigerant gas is collected and a compressor is removed from a discarded refrigerator, a heat-insulating housing including a heat insulator is cut/processed and separated into a plurality of pieces, and the pieces are compressed/processed by compression rollers o... | 11/14/2006 |
| 7040225 | Method for reducing vibrations in rotating components Undesirable bending vibrations in at least one rotating component are reduced. An undesirable vibration is counteracted by the use of at least one actuator. A required sequence of signals to be applied to the actuator and/or an intensity level of those signals is ba... | 05/09/2006 |
| 7017483 | Method and device for reducing vibrations in rotating components Undesirable bending vibrations in at least one rotating component are reduced. An undesirable vibration is counteracted by the use of at least one actuator. A required sequence of signals to be applied to the actuator and/or an intensity level of those signals is ba... | 03/28/2006 |
| 6848358 | Calender To present invention relates to a calender for calendering a moving web of paper or board, the calender comprising a top roll (1) and a bottom roll (1) and a bottom roll (2), both of the rolls being of the variable-crown type, at least one inter... | 02/01/2005 |
| 6846385 | Suspension arrangement for a roll A vibration-minimizing suspension mechanism for a press roll is provided. The press roll and an opposing roll each having a rotational axis and cooperate to form a press nip for imparting a linear load on a web passing therethrough. The linear load is oriented throu... | 01/25/2005 |
| 6764578 | Suspension arrangement for a roll A vibration-minimizing suspension mechanism for a press roll is provided. The press roll and an opposing roll each having a rotational axis and cooperate to form a press nip adapted to impart a linear load on a fiber web passing therethrough. The linear load is orie... | 07/20/2004 |
| 6701833 | Calender Calender and process of calendering a web in calender. The calender includes a frame, an upper roll, a lower roll, an intermediate roll arrangement that includes an intermediate roll that is fixed in the frame, and a load limiting device coupled to the in... | 03/09/2004 |
| 6521090 | Method and device for changing the natural frequency of a nip roll construction in a paper or board machine The invention concerns a method and a device for changing the natural frequency of a nip roll construction in a paper or board machine so that the rigidity of one or several loading elements, for example loading cylinder or loading beam, in the nip roll c... | 02/18/2003 |
| 6505549 | Method of and an apparatus for protecting the jacket upon a web break in a hot shoe press roll nip In a roll nip (5) formed between a shoe press roll (1) having a concave, plane or slightly convex press shoe (11), a flexible jacket (15) and a hot counter roll (3), the jacket (15) may be damaged by the heat from the counter roll (3) upon a web break. To... | 01/14/2003 |
| 6500304 | Method and device for changing the natural frequency of a nip roll construction in a paper or board machine A method for changing the natural frequency of a nip roll construction in a paper or board machine. In the method, the bearing elasticity of a hydrostatic bearing element (10, 20, 30, 40) of at least one roll (1) in the nip roll construction is changed, i... | 12/31/2002 |
| 6425323 | Method and apparatus for disposing of web material In a method and an apparatus for disposing of thin, flexible material, which is in the form of a material web moved in the web direction and supplied to the disposal apparatus, a front web section at the front in the movement direction is held fast in are... | 07/30/2002 |
| 6419794 | Method and apparatus for damping contact oscillations of rotating rolls In a method and apparatus for damping contact oscillations of rotating rolls in a paper machine, but notably in a coater, the rolls are held endways in bearings. At least two rolls form a nip with each other. The damping is carried out actively and the ac... | 07/16/2002 |
| 6257134 | Device for safeguarding or protecting against penetration by foreign bodies into a roller nip A method for safeguarding against the entry of foreign bodies into a nip between two cylinders, which includes applying a deflection movement to one of the cylinders counter to a spring force applied thereto so as to overcome the spring force and, in acco... | 07/10/2001 |
| 6237481 | Apparatus for processing a material web A material web is processed in a contact zone between a stationary roller and a driven working roller. The working roller diameter is smaller than the diameter of the stationary roller. The working roller is displaceable in all directions transverse to th... | 05/29/2001 |
| 6171629 | Methods and apparatus for joining dough blocks An apparatus for joining dough blocks to form a continuous dough sheet. The dough blocks are cut from a dough mass and drop into a space between first and second groups of rollers. The first and second groups of rollers include horizontally-paired rollers... | 01/09/2001 |
| 6158333 | Method and apparatus for calendering paper The invention relates to a method and an apparatus calendering a fiber web, wherein the fiber web passes through an extended and heated nip, said nip being formed on one side by a cylindrical heated roll and on the other side by a flexible tubular jacket ... | 12/12/2000 |
| 6158335 | Calender apparatus with a separating mechanism The invention relates to a method for operating a calender, comprising a cylindrical heated roll and a flexible belt surrounding a stationary support beam which supports at least one actuator which may urge a concave load shoe against the heated roll by m... | 12/12/2000 |
| 6156158 | Method and apparatus for damping contact oscillations of rotating rolls In a method and apparatus for damping contact oscillations of rotating rolls in a paper machine, but notably in a coater, the rolls being held endways in bearings and at least two rolls forming with each other a nip, the damping is carried out actively, t... | 12/05/2000 |
| 6138559 | Machining device for striplike material An apparatus for processing web-shaped material (90) comprises a working roller (5), a counter support (6), a pressure bearing structure (3) for exerting driving force to said working roller (5), a supporting carrier (1) and a pressing device which compri... | 10/31/2000 |
| 6085646 | Multiple nip calender for a paper making machine A four nip calender apparatus mounted on a single frame. The apparatus includes a first vertical calender mounted on the frame wherein the web passes through a first nip formed by a first calender roll and a second calender roll. The apparatus also includ... | 07/11/2000 |
| 6077065 | Apparatus for forming sheet products In a process and apparatus for producing long plastic sheets by pressing molten plastic materials between the forming roller and the forming drum unit, the forming drum unit comprising a thin cylindrical sleeve supported from inside by a drum support unit... | 06/20/2000 |
| 6012386 | Bearing control system for a roll with hydrostatic bearings A bearing control system for a roll with hydrostatic bearings which is mounted by its axle on a bearing block or other equivalent frame member by hydraulically loaded hydrostatic bearing elements. A principal bearing element acts in a principal loading di... | 01/11/2000 |
| 6009801 | Method for safeguarding or protecting against penetration by foreign bodies into a roller nip A method for safeguarding against the entry of foreign bodies into a nip between two cylinders, which includes applying a deflection movement to one of the cylinders counter to a spring force applied thereto so as to overcome the spring force and, in acco... | 01/04/2000 |
| 5988055 | Calendar for paper and similar web material Calender for a material web that includes a roll stack having at least four rolls that includes an upper and a lower roll, a frame, and bearing blocks associated with the at least four rolls. The bearing blocks are movably coupled to the frame. The calend... | 11/23/1999 |
| 5961899 | Vibration control apparatus and method for calender rolls and the like A vibration control apparatus (20) and method for a calender (18) for controlling vibration between two or more rolls (ex. 22, 24) which controls vibration induced thickness variations in a medium (27) exiting from the nip. The apparatus (20) includes a f... | 10/05/1999 |
| 5947017 | Calender having an end roll associated with a supplementary roll A calender includes a roll stack that has two end rolls and at least one intermediary roll, wherein the end rolls each have a deflection compensation device that acts in the direction of the intermediary roll. At least one end roll has an additional defle... | 09/07/1999 |
| 5850785 | Coupling construction between an extended-nip roll and a backup roll A coupling construction between an extended-nip roll including a non-revolving central axle supported by bearings which permit angular deflection of the non-revolving axle and a backup roll. Loading members are mounted on the non-revolving axle for pressi... | 12/22/1998 |
| 5816144 | Precision roll stand A precision roll stand includes a roll housing absorbing the rolling forces. In the roll housing rolls constituting a roll pair with their roll chocks are mounted so as to be rotatable and mutually adjustable by an adjustment device which changes the axia... | 10/06/1998 |
| 5775211 | Roller driving process and apparatus A roller has a rotary hollow cylinder through which extends a non-rotary crosshead. The hollow cylinder is supported on the crosshead by two opposite rows of hydrostatic supporting elements. When the roller is operated at particularly low linear pressures... | 07/07/1998 |
| 5735198 | Roller bearing apparatus A roller bearing apparatus for supporting a compensation roller that is disposed adjacent to a roller of a roller stack. The compensation roller has an axis. The roller stack has an axis. A plane is defined by the compensation roller axis and the roller s... | 04/07/1998 |
| 5704284 | Apparatus for automatically applying equilized pressure to a rotary cutting die An equalizer assembly that integrates into the die cutting station of a press and comprises two hydraulic actuators, each of which interacts with one of the jackscrews of the press to create an internal hydraulic pressure. The internal pressure of a first... | 01/06/1998 |
| 5699737 | Device for the throw-on and throw-off of rollers To improve the throw-on and throw-off movement of the rollers in the roller train of inking or dampening units of a printing machine, an improved and simpler throw-on and throw-off device is provided. For this purpose, intermediate rollers are carried in ... | 12/23/1997 |
| 5662950 | Roll bending device for forming plastic sheet The present invention aims to provide a roll bending device for forming plastic sheet wherein no bending cylinders are used and operability is improved. A roll has a shaft at its both end portions, a second roll has a shaft at its both end portions. A pai... | 09/02/1997 |
| 5640900 | Cargo compacting apparatus and method A cargo consisting of stacked compressible bales, such as bales of straw, positioned on a flat cargo bed of a cargo vehicle is compacted and compressed laterally of the cargo bed to eliminate excessive overhang of the cargo beyond the sides of the bed by ... | 06/24/1997 |
