| Patent Number |
Title Of Patent |
Date Issued |
| 5439366 |
Safety device for a roll space of a calender or similar roll machine |
August 8, 1995 |
| A safety device for the roll space within a calender or other roll machine is disclosed. The rolls when rotating, excite oscillations in the beam at the resonant frequency of the beam. This can occur during start-up or during normal operation. The safety device of the present invention |
| 5289766 |
Apparatus for cooling calender rolls and the like |
March 1, 1994 |
| Apparatus for cooling the end portions of a calender roll which has an elastic layer adjacent its peripheral surface and wherein the central portion of the peripheral surface is overlapped by a running web of paper or other material when the calender is in use. The width of the non-o |
| 5241903 |
Guard for the nips of rolls in calenders and the like |
September 7, 1993 |
| A safety guard for the nip of two neighboring rolls in a calender has an elongated support which is located in front of the nip and has two elongated strip-shaped barriers each adjacent but spaced apart from the peripheral surface of one of the rolls. The support is mounted on the be |
| 5208956 |
Roll for use in calenders and like machines |
May 11, 1993 |
| A controlled deflection roll for use in calenders and like machines has a non-rotatable carrier for a hollow cylindrical shell the end portions of which are rotatable on bearings and the central portion of which surrounds hydraulically operated shell deforming elements. A first hydraulic |
| 5206978 |
Hydrostatic roll for use in calenders |
May 4, 1993 |
| A roll for use in a calender or a like machine has a carrier which is surrounded by a flexible cylindrical shell. One or more hydrostatic displacing units are installed between the carrier and the shell to deform, when necessary, one or more selected portions of the shell. Each displ |
| 5111564 |
Heatable roll for use in calenders and the like |
May 12, 1992 |
| A calender roll wherein a cylindrical shell is rotatably mounted on a stationary carrier by way of bearings which are disposed in the end portions of the shell. The median portion of the shell is heated by a first heating device, and the end portions of the shell are heated by a disc |
| 5063649 |
Roll assembly with rotatable shell for use in calenders and like machines |
November 12, 1991 |
| A roll assembly for use in calenders has a non-rotatable carrier which is surrounded by a rotatable and radially movable hollow cylindrical shell. At least one end of the shell is driven by a pair of gears one of which is mounted in an annular bearing member surrounding a portion of the |
| 5042373 |
Guard for the nips of rolls in calenders and like machines |
August 27, 1991 |
| A guard at the inlet side of the nip of two rolls in a calender has a hollow support for two blocking devices with movable sections extending close to the peripheral surfaces of the rolls to prevent injury to the fingers of an operator. The support defines one or more channels for steam |
| 5033317 |
Apparatus for ascertaining the magnitude of stresses upon the bearings for rolls in calenders an |
July 23, 1991 |
| The cylindrical internal surfaces of inner races of antifriction bearings between the end portions of a deformable shell and the stationary carrier for the shell in a roll for use in calenders surround with some clearance the adjacent cylindrical external surfaces of the carrier. The mag |
| 5029521 |
Calender and method of operating the same |
July 9, 1991 |
| A calendar wherein a bottom roll and a deformable top roll flank one or more intermediate rolls is operated in such a way that the shape of the top roll is caused to conform to that of the adjacent intermediate roll before the nip of the top roll with the adjacent roll is narrowed. At |
| 5024718 |
Label applying apparatus |
June 18, 1991 |
| Apparatus for applying labels to the peripheral surfaces or to the end faces of bulky cylindrical objects has a carrier which is transportable up and down as well as toward and away from the labelling station. The carrier supports a suction head which is pivotable about a horizontal axis |
| 4964202 |
Heatable roll for use in calenders and the like |
October 23, 1990 |
| A calender roll wherein a cylindrical shell is rotatably mounted on a stationary carrier by way of bearings which are disposed in the end portions of the shell. The median portion of the shell is heated by a first heating device, and the end portions of the shell are heated by a disc |
| 4958478 |
Apparatus for storing and supplying end closures for envelopes of cylindrical commodities |
September 25, 1990 |
| Apparatus for applying disc-shaped end walls to the end faces of rolls of convoluted paper in a positioning unit wherein the rolls are maintained in horizontal positions has a magazine with two rows of floor-mounted pallets for stacks of superimposed end walls having different diameters. |
| 4941607 |
Magazine for calender rolls |
July 17, 1990 |
| A magazine for storage of elastic supercalender rolls has two upright frame members each of which carries several tracks at different levels and reciprocable roll holders in the tracks. Chains are provided to move the holders between extended position, in which they are accesible for |
| 4932827 |
Apparatus for exchanging rolls in calenders |
June 12, 1990 |
| An apparatus for exchanging elastic rolls in a supercalender has a platform which is movable up and down between the frame of a supercalender and a magazine for spare rolls. The platform supports two cracks with horizontally movable guides for two supports which can engage the end po |
| 4932536 |
Magazine for calender rolls |
June 12, 1990 |
| A magazine for temporary storage of elastic supercalender rolls has a frame for a rotor which can be driven to rotate about a horizontal axis and has two axially spaced-apart sections each carrying a set of equidistant cradles for the end portions of rolls. Each cradle has a socket for t |
| 4903517 |
Method of and apparatus for regulating the operation of calenders and like machines |
February 27, 1990 |
| The operation of a calender or a like machine with at least one pair of rolls which define an elongated nip and wherein at least one of the rolls is a so-called bending compensation roll is regulated by a computer which transmits signals to adjustable pressure regulating valves in condui |
| 4867055 |
Guard for the nips of rolls in calenders |
September 19, 1989 |
| A guard at the inlet side of the nip of two rolls in a calender or a like machine has an elongated support which is mounted in the machine frame for movement toward and away from the rolls at the inlet side of the nip. The support carries two elongated strips each of which is adjacent on |
| 4852209 |
Apparatus for cleaning calender rolls and the like |
August 1, 1989 |
| Apparatus for intermittently removing impurities from the periphery of a calender roll includes a rotary cleaning implement in the form of a brush or several felt discs and having an axial length in the range of 5-10 cm. The cleaning implement is reciprocable longitudinally of the roll a |
| 4848119 |
System of rolls for use in calenders and like machines |
July 18, 1989 |
| A roll for use in the system of rolls of a calender has a stationary carrier which is surrounded by a deformable hollow cylindrical shell movable radially relative to the carrier and having end portions which surround and are rotatable relative to rings which are also movable relativ |
| 4827584 |
Pressure roll for use in calenders |
May 9, 1989 |
| A pressure roll for use in calenders has a stationary carrier for a shell which is rotatable and movable radially of the carrier. The end portions of the shell surround antifriction bearings which, in turn, surround sleeves capable of moving radially of stubs constituting the end portion |
| 4813349 |
Roll calendar system with different size hydrostatic supporting elements |
March 21, 1989 |
| A system of rolls for use in a calender has an end roll with a fixed carrier and a deformable hollow cylindrical shell surrounding the carrier with freedom of radial movement and defining with a neighboring roll an elongated nip for a running web of paper, textile material or the like. |
| 4805279 |
Pressure roll for use in calenders and the like |
February 21, 1989 |
| A pressure roll for use in calenders has a fixed carrier for a hollow cylindrical shell which is rotatable about and is movable radially of the carrier. The position of the shell relative to the carrier and the positions of longitudinal increments of the shell relative to each other |
| 4779320 |
Roll for use in calenders |
October 25, 1988 |
| A roll for use in calenders and like machines has a non-rotatable shaft which is surrounded by a radially movable rotary shell whose end portions carry sleeves. When the shell is to float relative to the shaft, the sleeves have freedom of limited movement with reference to the shaft in |
| 4757584 |
Roll for use in calenders and the like |
July 19, 1988 |
| A roll for use in a calender has a stationary carrier which is surrounded by a hollow cylindrical shell with the interposition of a hydraulically operated displacing unit which can flex selected portions of the shell when necessary so as to establish a preselected nip between the periphe |
| 4757583 |
Roll for use in calenders and the like |
July 19, 1988 |
| A roll for use in a calender has a stationary carrier for a hollow cylindrical shell whose end portions are supported by combined radial and axial bearings surrounding annular bearing members which, in turn, surround the end portions of the carrier. The carrier defines with each bear |
| 4729153 |
Roll for use in calenders and the like |
March 8, 1988 |
| A calender roll wherein the flexible shell is supported by a row of primary hydrostatic bearing elements serving to transmit first forces toward the nip of such roll with a second roll and wherein the shell is further acted upon by a row of secondary hydrostatic bearing elements which ge |
| 4685390 |
Calender with exchangeable rolls |
August 11, 1987 |
| A calender wherein a permanently installed main roll cooperates with at least one exchangeable roll to provide a nip for the passage of a web of paper or the like. The end portions of the exchangeable roll are mounted in bearings which are insertable into and extractible from sockets |
| 4680843 |
Apparatus for rotating the shells of rolls in calenders or the like |
July 21, 1987 |
| The cylindrical shell of a roll in a calender is rotatable about and is movable radially of a stationary carrier. The shell receives torque from a gear which is rotatably journalled in a housing. The housing is movable radially of the shell by a motor operated in response to signals from |
| 4639346 |
Method and apparatus for calendering magnetic tapes |
January 27, 1987 |
| A magnetic audio or video tape is smoothed and/or otherwise treated by causing it to pass through one or more calenders wherein a large-diameter primary calender roll is heated from within and the major part of its peripheral surface is surrounded by the running tape. The primary roll |
| 4596108 |
Apparatus for confining rolls of convoluted paper or the like |
June 24, 1986 |
| Apparatus for providing rolls of convoluted paper or the like with cylindrical envelopes defines an elongated path wherein the rolls are advanced sideways first to a centering station where the end faces of successive rolls are overlapped by inner discs which are attached to the roll |
| 4520723 |
Pressure roll for use in calenders or the like |
June 4, 1985 |
| A pressure roll for use in a calender has a beam whose end portions are mounted in a stationary frame and which is spacedly surrounded by a hollow cylindrical shell. Groups of hydrostatic supporting elements are installed in the space between the shell and the beam, and each such group h |
| 4514887 |
Roll for use in calendars or the like |
May 7, 1985 |
| A calender roll wherein a hollow rotary cylindrical shell surrounds a stationary carrier and the latter supports a set of hydraulic cylinder and piston units serving to urge the external surface of a bearing element toward the internal surface of the shell. The external surface of the |
| 4498383 |
Calendar |
February 12, 1985 |
| A system of rolls for use in a calender, printer or rolling mill has a pair of rolls at least one of which has a hollow cylindrical shell with an elastically deformable line. The shell surrounds a stationary carrier and confines a row of electromagnetic or hydraulic force applying device |
| 4497246 |
Method of and arrangement for processing lengths of material |
February 5, 1985 |
| An arrangement for calendering bands of paper and like materials has one or more inelastic calendering rollers. Elastically deformable working rollers are associated with the calendering roller or rollers and are movable between operative positions in which they cooperate with the calend |
| 4491283 |
Apparatus for convoluting webs of paper or the like |
January 1, 1985 |
| Apparatus which winds a running web onto a driven takeup reel employs a distancing roller which is spaced apart from the outermost convolution of growing roll on the reel and is moved away from the reel at a rate which is proportional to the rate of growth of the roll so that its spacing |
| 4485612 |
Apparatus for manipulating rolls of convoluted paper or the like |
December 4, 1984 |
| Apparatus for providing cylindrical paper rolls with envelopes consisting of inner discs which are adjacent to the end faces of the rolls, of blanks which are draped around the peripheries of the rolls and whose marginal portions are folded over the inner discs, and of outer discs which |
| 4434713 |
Calender |
March 6, 1984 |
| A calender wherein the bearings for the end portions of the uppermost roll carry pressure transducers in the form of inflatable plenum chambers or hydraulic cylinder and piston units operable to bear against the lower end faces of vertical feed screws which are axially movably mounted in |
| 4425489 |
Electromagnetic heating system for calender rolls or the like |
January 10, 1984 |
| A calender roll whose shell consists of ferromagnetic material is heated by several groups of electromagnets which are mounted within the shell on a stationary carrier and whose pole shoes are adjacent to the internal surface of the shell. The temperature of the external surface of the s |
| 4394793 |
Roll for use in calenders or the like |
July 26, 1983 |
| A calender roll wherein a stationary shaft is spacedly surrounded by a cylindrical shell and carries a row of bearing elements which are movable by pairs of cylinder and piston units and have convex surfaces formed with pairs of fluid-filled pockets adjacent to the internal surface of th |
| 4389933 |
Calender |
June 28, 1983 |
| A calender wherein the lowermost roll of the roll train has a hollow cylindrical member spacedly surrounding a shaft-like carrier whose end portions are mounted in bearings movable up and down along guide rails on the stand. The end portions of the cylindrical member contain inserts |
| 4389932 |
Calender with composite outermost rolls |
June 28, 1983 |
| A calender wherein the uppermost and lowermost rolls of the roll train have hollow cylindrical members with inserts which cooperate with corresponding shaft-like carriers to confine the cylindrical members to vertical movements relative to their carriers. The end portions of the carriers |
| 4380954 |
Method and apparatus for controlling the pressure exerted on a material web in the roller nip of |
April 26, 1983 |
| Disclosed herein are a method and apparatus for the compression treatment of a material web in a calender or the like, wherein the pressure in the roller nip can be precisely set and regulated by the comparison between the set point value and the actual value of the pressure in the rolle |
| 4370923 |
Apparatus for leveling the surface of a strip of paper |
February 1, 1983 |
| The invention relates to an apparatus for leveling the surface of a strip of paper. The apparatus has at least two rollers forming a roller pair, which can be pressed against the strip of paper guided between them with an adjustable force by means of a load device. At least one roller ma |
| 4370872 |
Apparatus for continuously treating strand-like textile material in vertical loops |
February 1, 1983 |
| An apparatus for continuously treating strand-like textile material includes a cubic or quadratic liquid container, and an endless chain which is guided in the vicinity of the container bottom and the container end walls and is provided with transverse rods or bars of greater width than |
| 4347784 |
Bearings for calender rolls and supports therefor |
September 7, 1982 |
| A calender wherein the end portions of the lowermost roll of the roll train was mounted for movement along vertical guide rails on the stand. The lowermost roll is movable upwardly by two upright hydrostatic cylinder and piston units with plungers whose axes are coplanar with the axis of |
| 4328744 |
Roll for use in calenders or the like |
May 11, 1982 |
| A rotary pressure applying roll which defines with a parallel complementary roll a nip for a running web of paper, textile or other flexible sheet material in a calender or the like has a cylindrical shell surrounding a stationary carrier in the form of a rigid shaft. A bearing element i |
| 4311091 |
Rapid-separation mounting arrangement for rollers of a calendering machine |
January 19, 1982 |
| A calendering machine or a similar machine which has a plurality of treating rollers arranged one above the other and movable in the vertical direction includes a structural unit for rapidly displacing the lowermost roller between its lifted position in which the rollers form treating ni |
| 4301665 |
Sealing arrangement |
November 24, 1981 |
| A sealing arrangement for the inlet and outlet opening of a vessel for continuous treatment, under pressure, of a textile web which is passed over at least one roller within the vessel is disclosed. The sealing arrangement includes at least one seal element having endwise faces which |
| 4290353 |
Roll for calenders or the like |
September 22, 1981 |
| A roll which can be used in a calender to bear upon a web of textile material, paper or the like while the web travels between the peripheral surface of a floating shell of the roll and a counterroll. The shell surrounds a non-rotatable shaft which carries several rows of discrete el |
