| Patents for D21G 1 - Calenders; Smoothing apparatus (5,858) |
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| 03/05/1992 | WO1992003614A1 Method for reducing amount of linting |
| 03/05/1992 | DE4026774A1 Paper polishing roller assembly giving high speed working - has hard top and bottom rollers with a soft cladding at the centre rollers for high-speed working |
| 02/26/1992 | EP0471712A1 Roller for pressure treatment of webs. |
| 02/25/1992 | US5091027 Process for producing hard roll |
| 02/25/1992 | US5090535 Drive unit particularly for the calender of a paper machine |
| 02/25/1992 | CA2049915A1 Multi-roll calender with adjustable linear force |
| 02/19/1992 | EP0471655A1 Heatable roll |
| 02/19/1992 | CN1015559B Pressure treatment of strip material and heat-treated rod |
| 02/16/1992 | CA2049255A1 Method for heating of a roll and a heatable roll |
| 02/13/1992 | DE4025106A1 Calender roller scraper beam - has bar extending close to other roller to improve access to rollers and doctor blade |
| 02/11/1992 | US5087082 Rotary joint |
| 02/05/1992 | EP0469005A1 Application of superheated steam |
| 01/30/1992 | DE4036121A1 Temp. controlled roller - has peripheral drillings grouped in series with differing dia. to maintain surface temp. over whole roller length |
| 01/30/1992 | DE4023446A1 Controlled bending roller - has control beam round carrier beam over its length to dispense with external oil pressure supply |
| 01/23/1992 | DE4023235A1 Compensating pressure treatment roller - circulates gas or fluid through porous elastic structure between casing and stationary core |
| 01/21/1992 | US5081759 Vibration damping in a roll |
| 01/14/1992 | US5079817 Apparatus for controlling the heating and cooling of a roll |
| 01/02/1992 | EP0463366A1 Press-roll with adjustable deflection |
| 12/31/1991 | US5076891 Controlling temperature on inside and outside of roller shell |
| 12/24/1991 | US5074019 Processing a web of material |
| 12/22/1991 | WO1991019855A1 Self-loading controlled deflection roll |
| 12/22/1991 | WO1991019854A1 Controlled deflection roll with heat barrier |
| 12/19/1991 | DE4037166C1 Regulation of web width in paper machine - with calendering rolls comprising flexible roll and heating roll, and edge catches at sides in wire section |
| 12/18/1991 | CN1015119B Roll in press of paper machine and method for manufacture of roll |
| 12/17/1991 | US5072497 Glazing or calendering roll |
| 12/04/1991 | EP0459519A1 Roll fill material and a filled calender roll covered with said material |
| 12/02/1991 | CA2043777A1 Roll fill material and a filled calender roll covered with said material |
| 11/28/1991 | DE4016823A1 Heating medium for e.g. calender rollers - low melting point metal located in annular space inside hollow roller which contains heater and inert gas to inhibit oxidn. |
| 11/21/1991 | EP0456726A1 Improved controlled deflection roll lubrication. |
| 11/19/1991 | US5065673 Cross-directional moisture control system and method |
| 11/18/1991 | WO1991018217A1 Radial sliding-contact bearing for rotary rolls |
| 11/18/1991 | CA2083062A1 Radial sliding-contact bearing for rotary rolls |
| 11/12/1991 | US5063649 Roll assembly with rotatable shell for use in calenders and like machines |
| 11/06/1991 | EP0454951A1 Device for driving a roll |
| 10/29/1991 | US5061087 Bearing apparatus for a doctor journal |
| 10/29/1991 | US5060565 Smoothing and calibrating of paper |
| 10/29/1991 | US5060357 Self-loading controlled deflection roll |
| 10/16/1991 | EP0451470A2 Controlled deflection roller |
| 10/16/1991 | EP0451449A1 Method of smoothing a paper or cardboard web coated on both sides |
| 10/15/1991 | US5056220 Electrochemical deposition of electrolytic precipitate |
| 10/15/1991 | CA1290818C Heating apparatus for heating a calender roll |
| 10/09/1991 | EP0449841A1 Process for glazing paper webs. |
| 10/07/1991 | CA2039972A1 Drive unit particularly for the calender of a paper machine |
| 10/02/1991 | EP0449390A2 Method and equipment for the control of the distribution of pressure load applied to a material web |
| 10/02/1991 | EP0448730A1 Sealed head for the transfer of a heat transfer medium to a rotary presssure system |
| 09/25/1991 | EP0447651A1 Deflection-controlled roll |
| 09/25/1991 | EP0330657B1 Cylinder |
| 09/18/1991 | CN1054655A Improvements of calender and embossing bowls |
| 09/17/1991 | US5048411 Calender, in particular for the production of packing sheets |
| 09/17/1991 | US5048353 Method and apparatus for roll profile measurement |
| 09/11/1991 | EP0445944A2 Improvements relating to calendar and embossing bowls |
| 09/08/1991 | CA2037206A1 Calender and embossing bowls |
| 09/03/1991 | US5045342 Independent heat moisture control system for gloss optimization |
| 09/03/1991 | US5044273 Roll apparatus with a hydraulically supported bottom roll having additional supporting elements |
| 09/02/1991 | WO1991013337A1 Method and apparatus for measuring irregularities and hardness of a roll surface |
| 08/13/1991 | US5038678 Calender, in particular a supercalender with multiple relief devices |
| 08/13/1991 | US5038448 Non-woven web with cellulose |
| 08/07/1991 | EP0440140A2 Roll for smoothing apparatus or calender |
| 07/31/1991 | EP0438580A1 Controlled deflection roll. |
| 07/29/1991 | CA2015800A1 Glazing or calendering roll |
| 07/23/1991 | US5033373 Apparatus and process for producing a smooth and glossy surface on a paper web |
| 07/23/1991 | US5033176 Sag compensating roll for roll presses |
| 07/16/1991 | CA1286061C High bulk calendered paper containing vesiculated beads |
| 07/09/1991 | US5029521 Calender and method of operating the same |
| 07/09/1991 | CA1285806C Pressure roll for use in calenders and the like |
| 07/09/1991 | CA1285805C Roll for use in calenders and method of converting |
| 07/09/1991 | CA1285804C Roll for use in calenders and the like |
| 06/25/1991 | CA1285163C Roll for the pressure treatment of webs of material |
| 06/18/1991 | US5024150 Process for reducing vibrations of successive sets of rolls and a roll arrangement having reduced vibratory tendencies |
| 06/18/1991 | US5023985 Resilient polymer coated to mantle, coating fixed to polymer |
| 06/13/1991 | DE3940744A1 Pressure roller - has radially spreading clamps to fix hollow cylinder to roller body |
| 06/11/1991 | US5022319 Apparatus for neutralizing overhanging loads |
| 06/04/1991 | US5020469 Cross-directional steam application apparatus |
| 05/28/1991 | US5018402 Planetary gear drive for controlled defection rolls |
| 05/28/1991 | US5018258 Support system for a variable-crown roll |
| 05/22/1991 | EP0428470A2 Felt turning roll |
| 05/22/1991 | EP0427887A1 A coater apparatus |
| 05/16/1991 | DE4015237A1 Bending adjustment roller - has pistons on carrier at roller mantle ends forming pressure zones in guide section |
| 05/15/1991 | EP0328595B1 Pressure cylinder |
| 05/14/1991 | US5015336 Felt turning suction roll |
| 05/10/1991 | CA2029161A1 Method and apparatus for rolling continuous material |
| 05/09/1991 | CA2029514A1 Deflection adjustment roll |
| 05/08/1991 | DE4012805C1 Roller receiving no pressure from foot section - includes hollow roll, lateral bar inside roll and hydraulic support elements |
| 05/08/1991 | CN1051219A Actuator of module construction for rolls of machine calendor |
| 05/02/1991 | WO1991005913A1 Calender |
| 05/02/1991 | EP0425138A2 Actuator of module construction for rolls of a machine calender |
| 05/02/1991 | EP0424368A1 On-machine calender for a paper machine and a method for finishing a paper web |
| 04/30/1991 | US5010633 Controlled deflection roll with heat barrier |
| 04/30/1991 | CA1283564C Roller |
| 04/26/1991 | CA2028418A1 Actuator of module construction for rolls of a machine calender |
| 04/25/1991 | DE4017433A1 Walzenpresse Roller press |
| 04/25/1991 | DE4011365C1 Control of bending of hollow roll - involves fixed shaft inside roll, with fluid film bearing pads engaging inside surface of roll |
| 04/17/1991 | CN1050750A Method for reducing power consumption for variable-crown roll and variable-crown roll |
| 04/16/1991 | CA1282980C Spur gearing for the driving of a roller shell |
| 04/11/1991 | DE4030190A1 Bending compensation roller - has oil forced out of secondary chamber by compressed air to reduce mass |
| 04/10/1991 | CN1050580A Application of supperheated steam |
| 04/09/1991 | CA1282623C Method in an adjustable-crown roll as well as a roll device making use of the method |
| 04/09/1991 | CA1282619C Method and apparatus for controlling a zone-adjustable roll or the like |
| 04/02/1991 | US5003863 Cylinder-piston unit for displacing a roll at right angles to its longitudinal axis |
| 03/20/1991 | CN1050065A Roll of paper machine and method for making it |