Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 7311039 | Method and arrangement for preventing vibrations in a multi-nip calender or calender array Vibration is prevented in a multi-nip calender (1) or an array of multi-nip calendars. Each calender has a lower roll (3; 40), an upper roll (3; 30) and two or more intermediate rolls. A fiber web is conveyed through the closed roll nips of the ... | 12/25/2007 |
| 7013799 | Calender Calender that includes at least one supporting bracket, and a roll stack having at least two rolls. At least one axial end of each of the at least two rolls are supported by the at least one supporting bracket. A connection arrangement includes a fluid connection co... | 03/21/2006 |
| 6997106 | Shoe roll A multi-roll calender, supercalender, soft calender or equivalent has at least one nip (YN, PN1, KN, PN2, AN) profiling a fibrous web (W) which is being calendered. A shoe roll (1, 4, 6, 10) constitutes at least one of the calender rolls which d... | 02/14/2006 |
| 6755940 | Method and apparatus for caliper control of a fibrous web A method for increasing caliper control of a fibrous web as the web is wound onto a roll is provided. The method includes winding the fibrous web containing cellulosic fiber onto the roll to form a wound product and conveying the web through a nip prior to winding t... | 06/29/2004 |
| 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 |
| 6612228 | Calender and method for rebuilding a calender A calender having a supporting frame and a set of rolls attached to vertical portions of the supporting frame so as to form a stack of rolls in which adjacent rolls placed one above another form calendering nips therebetween. The stack including a top rol... | 09/02/2003 |
| 6606940 | Calender Calender that includes a stand, an upper roll, a lower roll, and at least two center rolls arranged between the upper and the lower rolls. The calender also includes at least two cylinders, where the at least two center rolls are supported on the stand by... | 08/19/2003 |
| 6497177 | Calender arrangement and a deflection controlled roll and method of operating them A calender arrangement includes end rolls that are in the form of deflection controlled rolls having an internal stroke. One of the end rolls comprises at least one stop element that is in the form of a hydraulic positioned hydrostatic element which, toge... | 12/24/2002 |
| 6444093 | Method in a treatment process of a paper web and treatment device for a paper web In the treatment process of a paper web, the paper web travels via a surface journalled rotatable, such as a peripheral surface of a cylinder or a roll, and the treatment process is controlled with an adjustment and control unit. The bearing arrangement u... | 09/03/2002 |
| 6368458 | Calender press for a paper-making machine with thermally compensated top and bottom rolls and low nip load A calender press for use in a paper-making machine includes a top roll positioned adjacent to a nip and rotatable about a longitudinal axis thereof. The top roll has a length and circumferential perimeter. The length extends in the direction of and is lon... | 04/09/2002 |
| 6305280 | Calender for material webs and method for calendering material webs Calender for a material web, and a method for calendaring the material web. The calender includes a frame upon which at least one roll stack is mounted. The roll stack includes a plurality of rolls, in which the end rolls are designed as sag compensation ... | 10/23/2001 |
| 6248215 | Calender and method for treating material webs in the calender Calender and method for treating a material web. The calender includes a plurality of rolls in which each roll has a rotational axis. The rotational axes of the plurality of rolls are arranged to be substantially located in a press plane, and a plurality ... | 06/19/2001 |
| 6234075 | Calender roll system A calender roll system and method for operating the same. The calender roll system includes a roll stack having at least one center roll positioned between two end rolls, in which each of the at least one center roll and the two end rolls have a drive mec... | 05/22/2001 |
| 6227105 | Calender for a web, in particular a paper web, process for forming the calender, and process for treating the web with the calender Calender for a web, process of forming the calender, and process of treating a web in the calender. The calender includes rolls having rotational axes and a roll stack composed of the rolls. The rolls of the roll stack are arranged such that the rotationa... | 05/08/2001 |
| 6145127 | Calender and method of operating same Calender having a frame having a roll stack therein and a lower deflection control roll as the lowermost roll of the roll stack. The lower deflection roll has a sleeve supported on a bracket having opposed ends. The lower deflection control roll further h... | 11/14/2000 |
| 6129011 | Calender for treating both sides of a web A paper calender has a stack of rolls arranged one above the other. They form an upper stack and a lower stack with a common center roll. Additional center rolls are carried on levers that are capable of pivoting about axes fixed with respect to the frame... | 10/10/2000 |
| 6024838 | Calender for paper and the like A calender for a sheet material, e.g., paper, having at least two treatment stations through which the sheet material passes in succession. To regulate a desired parameter of the sheet material, each treatment station may include a plurality of adjacently... | 02/15/2000 |
| 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 |
| 5938895 | Calender having moisture profile control A calender is provided for calendering a fibrous web wherein the moisture profile of the web can be controlled. The calender includes a plurality of rolls wherein at least one of the rolls comprises a profiling roll. The profiling roll has a plurality of ... | 08/17/1999 |
| 5816143 | Process for satining paper and calender for carrying out the process A process and device for satining paper may include guiding a sheet through a roll gap defined by a heated hard roll and a soft roll having with a covering. A paper sheet width of the paper may be less than a width of a cylindrical part of each of the cov... | 10/06/1998 |
| 5806415 | Method for quick-opening a set of rolls in a calender, in particular in a supercalender, and a hydraulic system for a set of rolls in a calender, in particular a supercalender A method for quick-opening a set of rolls in a calender, in particular a supercalender, in which a paper or board web to be calendered is passed through calendering nips formed by a variable-crown top roll, a variable-crown bottom roll and by two or more ... | 09/15/1998 |
| 5743177 | Enhanced cross-directional caliper control system A cross directional caliper control system for a calender. A coarse caliper control mechanism adjusts the pressure over a first range of values. A fine caliper control mechanism adjusts the pressure over a second range of values, where the second range of... | 04/28/1998 |
| 5673617 | Calendar for full and light calendering A calender for full and light calendering has rollers disposed one above the other. At least the middle rollers are mounted on bearing blocks, which are supported by levers. The levers are pivotably mounted on respective support blocks. The levers can piv... | 10/07/1997 |
| 5671665 | Calender for the treatment of a paper web and process for its operation A calender for treating a paper web includes a roller stack being loaded with a load on one end. The calender has at least two hard rollers each having a substantially smooth outer surface. The at least two hard rollers each have a device for heating a su... | 09/30/1997 |
| 5669295 | Calender for treating both sides of a paper web A calender for the two-sided treatment of a paper web has two similar stacks each of which has at least two soft rollers and two hard rollers. Working nips are formed between each hard and soft roller. The calender has at least one working nip wherein the... | 09/23/1997 |
| 5662037 | Calender for treating both sides of a web of paper A calender for treating both sides of a web of paper includes a roller stack. A working nip is formed between the juncture of one hard roller and one soft roller. A changeover nip is formed between the juncture of two soft rollers. The roller stack has ei... | 09/02/1997 |
| 5655442 | Calender for the treatment of a paper web A calender having one stack of rollers has a working nip formed between a hard roller and a soft roller. A changeover nip is formed between adjacent soft rollers. The changeover nip is arranged approximately in the center of the roller stack. The cumulati... | 08/12/1997 |
| 5590593 | Mounting arrangement for calendar rolls in a calender A calender for a web including a calender frame and a stack of rolls mounted on the frame and consisting of four rolls arranged one above the other. In the stack, adjacent rolls placed one above the other are arrangeable in nip-defining relationship with ... | 01/07/1997 |
| 5558018 | Support frame for nip rollers A frame structure for calenders in a paper machine in which two vertical legs are horizontally connected to one another. The calender rolls are mounted, one above the other, between the vertical legs so that the upper roller is fixed vertically while the ... | 09/24/1996 |
| 5443000 | Calender A calender arrangement having vertically-arranged upper, center and lower rollers with matching upper, center and lower carrier-blocks and a suspended spindle, comprises a support element above a bearing-surface on the upper carrier-block. The support-ele... | 08/22/1995 |
| 5438920 | Method for calendering a paper or an equivalent web material and a calender that makes use of the method A method and device for calendering of a paper or an equivalent web material, in which the web material to be calendered is passed through nips formed by a variable-crown upper roll, a variable-crown lower roll, and by two or more intermediate rolls arran... | 08/08/1995 |
| 5343801 | Multi-roll calender with adjustable linear force A multi-roll calender for treating a web material, of the type which develops a linear force, has at least two rolls stacked one above the other in a press plane. A lower roll is constituted as a sag-compensation roll. The other rolls in the calender stac... | 09/06/1994 |
| 5231924 | Apparatus for the vertical adjustment of rolls In a calender or roll frame, apparatus is provided for the vertical adjustment of the rolls which are journalled in bearing housings (2) and also vertically displaceably connected with the roll frame (5) via sliding supports (3) and guides (4). The connec... | 08/03/1993 |
| 5226357 | Multi-roll calender with adjustable linear force A multi-roll calender for treating a web material, of the type which develops a linear force, has at least two rolls stacked one above the other in a press plane. A lower roll is constituted as a sag-compensation roll. The other rolls in the calender stac... | 07/13/1993 |
| 5179894 | Calender with positionable rollers In a calender (1) one or several rollers (2) can be positioned by being raised or lowered jointly with the roller stack disposed therebelow; and vertically displaceable sliding members (3) connected with the roller journals are jointly driven, and are blo... | 01/19/1993 |
| 5144890 | Actuator of modular construction for rolls of a machine calender An actuator (10a, 10b) for calender rolls (3, 4) in a machine calender connected on-line to a paper machine, wherein the actuator is situated between the calender frame (9) and support arms (11), which adjust the movable calender rolls (3,4), in order to ... | 09/08/1992 |
| 5038678 | Calender, in particular a supercalender with multiple relief devices The invention concerns a calender, in particular a supercalender, on whose frame (1) a set of rolls (2) is mounted, which comprises an upper roll (3), a lower roll (4), and several intermediate rolls (5) placed between the upper roll and the lower roll. T... | 08/13/1991 |
| 5024150 | Process for reducing vibrations of successive sets of rolls and a roll arrangement having reduced vibratory tendencies To reduce vibrations occurring in sets of rolls that are immediately successive along the direction of travel of a web conducted through the nips formed between the roll sets, a process, especially for use in double calendars used to treat paper webs, is ... | 06/18/1991 |
| 4986883 | Method for calendering paper and paper manufactured by the method A method for calendering paper, especially with glassine calendering in a calender which comprises press rolls arranged successively in the paper-advancing direction where, at least between some of the rolls, press nips are formed for passing paper theret... | 01/22/1991 |
