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Patent Searching and Data


Matches 701 - 750 out of 11,097

Document Document Title
WO/1993/023617
Disclosed is a new internally heated calendering roll (2) capable of finishing paper satisfactorily at the temperatures, heat loads and pressures required for substrata thermal molding. The roll (2) is internally heated and has a circumf...  
WO/1993/022572
In order to simplify the manufacture of a roller bearing (1) in which a cylindrical roller (14) is mounted on a central shaft (3) which extends out beyond the ends of the roller (14) and whose ends (4, 5) are fitted in a mounting (8), th...  
WO/1993/021006
A metallized fiber-reinforced resin roll produced either by forming only an electroless plating layer on the surface of a crude fiber-reinforced resin roll or by forming a resin layer for electroless plating on an inner layer of the surf...  
WO/1993/020963
According to the present invention, there are processing steps: a first bending process for bending a sheet-shaped metal material (1) into a convexed shape; a bending process for bending the bent portion (1b) in a direction opposite to t...  
WO/1993/020361
A bearing unit (11) to support a journal (2) of a rotary roller (1). The journal (2) is supported in a bearing housing (5) by a rolling bearing unit (2a). The journal (2) is secured in the bearing housing (5) along the longitudinal axis ...  
WO/1993/019401
A device for detachably fixing a fixing drum (11) on a bearing flange (14, 16) in the fixing unit of an electrophotographic printing or photocopying machine comprises: a conical expansion element (31) allocated to the bearing flange (14,...  
WO/1993/016819
A deflection controlled roll (10) has a rotatable shell (15) supported on a non-rotating central beam (12) by a plurality of individual shoes (25) which are positioned between the beam and the shell. A curved surface (30) of the shoe bea...  
WO/1993/017288
In order to extend the field of application of roller-type furnaces, which is limited by the load-bearing capacity of the rollers fitted, the invention proposes that the internal stresses in the rollers, due to the inherent weight of and...  
WO/1993/014325
A piston apparatus for use in a controlled deflection roll includes a rectilinear-shaped piston (10a) having at least one side seal (22a, 22a') extending longitudinally in a slot (12a, 12a') in each sidewall and an end seal (21) in each ...  
WO/1993/010365
The present invention relates to an alarm system suitable for use in warning of overheating in rotatable bearings (4) having first and second bearing portions. The alarm system comprises an alarm signal generator means having a thermally...  
WO/1993/001351
The invention concerns a sag-compensation roller with a rotating shell (1), a stationary support bar (2) and a long-sided hydrostatic pressure shoe (8) which can be tilted about a longitudinal axis and contains hydrostatic pressure troug...  
WO/1992/019809
A roller for heat treatment of a web of material (4), in which the web (4) is cooled to a defined, predetermined temperature in a gap (5) between the roller (1) and a mating roller (2) is designed as a variable-flexibility roller with a ...  
WO/1992/013787
A device for winding a web of plastic film (10) comprises a winding roller (6) on which the roll (11) is formed and a pressure roller (8). The pressure roller (8) takes the form of an adjustable sag roller with a non-rotary transverse he...  
WO/1992/013997
A self-loading, controlled deflection roll (10) for forming a pressure nip (N) with another roll (34) has at least one support shoe (24, 26), and preferably two opposed support shoes, mounted in a stationary support shaft (16) for contro...  
WO/1992/013651
The present invention relates to a roll (1), comprising cemented carbide and cast iron, and method for manufacture of the same. The roll may be used for hot or cold rolling. The barrel comprises one or several cemented carbide rings (2),...  
WO/1992/013204
A roller bearing comprises inner and outer cup-shaped members (24, 26) which interfit and respectively have races (34, 51) on which balls run enabling the members (24, 26) to rotate one relative to another. The outer cup shaped member (2...  
WO/1992/008939
The proposal is for an arrangement for securing a ball race to the jacket of a rotating tube with a plurality of ball race holders arranged on the jacket of the rotating tube and formed by opposed abutments secured on both sides of the b...  
WO/1992/006310
A lubricated roller assembly which can be constructed entirely of non-metallic components. The roller assembly includes a shaft (20) and roller body (23) secured to one another and enclosed by a housing (10). The roller body is adapted t...  
WO/1992/006309
A bearing housing assembly (30; 80) for a roller (20; 94) comprises a housing (31; 81), bearing means (35; 80) provided in the housing and having first and second bearing components (45, 47; 87, 88) provided in the housing with the compo...  
WO/1991/019854
A controlled deflection roll (10) has a unique liquid barrier and heat shield (72) which includes a chamber (82) filled with cooling fluid. In a preferred embodiment, the barrier comprises two chambers (82, 84) and a space (68) in fluid ...  
WO/1991/019855
A self-loading controlled deflection roll (10) for forming a pressure nip (N) with another roll (4) has at least one support shoe (22, 24) mounted in a stationary support shaft (12) for controlling the deflection of the roll shell (14) i...  
WO/1991/019111
The process for manufacturing drums (1) or rollers for textile machines with inner radial stiffenings and axially outward bearing flanges for the drum shaft is characterized by the manufacture of bowl-shaped drum segments (3, 5) in a fir...  
WO/1991/018217
A radial sliding-contact bearing for rotary rolls has a cylindric fixed inner portion (2), a sleeve (4) rotatable thereon, and a gap (6) between the sleeve and the inner portion intended for a water film which in operation forms a rotary...  
WO/1991/015419
An interference fit elastomer covered roller including a shaft and an elastomeric tube covering the shaft, for use in contact with fluids includes fluid seals at the ends of the shaft comprising a topographical feature on the shaft defin...  
WO/1991/014211
A roller for a fixing device which is equipped with a sponge layer having a large number of through-holes bored in parallel with the longitudinal direction of the shaft at predetermined intervals along its circumferential direction, or a...  
WO/1991/014112
In a roller device, preferably having crimper rollers for agricultural machinery, where one of the rollers (16) is movable with respect to the other (17) and where the rotation of the rollers is synchronized by means of a gear wheel mech...  
WO/1991/006499
A roller (e.g. for use in high speed sheet processing) comprises an FRP core (1) and a metal sleeve (2) non-rotatably held on the core by an interference fit caused by hoop tension in the sleeve.  
WO/1991/004108
A rolling mill has a pair of roll assemblies, at least one of which includes a controllable deflective roll. A first control circuit arranges for the support elements (5) of the roll to position the roll shell (2) in a desired position r...  
WO/1991/002173
A cylinder arrangement comprises a cylinder with adjustable bend (1) and a counter cylinder (7) between which an endless web of material (8) passes. To prevent increased pressure on the edges (17) of the web, additional spreading element...  
WO/1991/000436
A solid-lubricated bearing assembly (16) comprising an outer bearing member (18) having a generally radially inwardly facing race surface (20) formed therein adapted to receive rotatable bearing elements (22) for rotating motion of the r...  
WO/1990/015263
A roller (100) for compressing webs of material (30) comprises a rotating hollow roller (1) traversed lengthwise by a stationary crosshead (3). Hydraulic loading devices in the form of sealing members (14) act on the inner circumference ...  
WO/1990/014524
An adjustable locking cam assembly (10) for locking roller bearings (16) at both ends of a roll shaft (12) of a roll (14) of the kind employed in mill stands used in steel rolling mills. The locking cam assembly (10) comprises a sleeve m...  
WO/1990/013706
A roller for pressure treatment of webs, for example paper, pulp or cardboard webs, has a shell (1) composed of individual, contiguous ceramic rings (4) which are preloaded axially by one or more tie rods (6) and guided concentrically to...  
WO/1990/011310
A polyurethane polymer is prepared from a reaction mixture comprising: (a) a polyisocyanate component; and (b) an active hydrogen component containing (i) at least about 50 weight percent based on total active hydrogen component of at le...  
WO/1990/010508
The roller of the invention is designed in particular for rolling mills and metallurgical plants. The roller body has an axial bore passing through it, and a spindle with several stepped sections. The roller body is held by force against...  
WO/1990/009482
Apparatus for controlling the oxygenation of both the bearing lubrication oil and the hydraulic oil used for actuating the roll shell support elements (12) in a controlled deflection roll (10), such as used in the papermaking industry, i...  
WO/1990/007655
The invention concerns a pressure roller (3) with a shell (2) which is mounted to rotate about a fixed carrier (4) and which can be moved relative to the carrier (4) over the whole of its length along the pressure plane by means of press...  
WO/1990/007029
The inner surface (i) of the roller shell (5) which rotates about the carrier (4) of a roller (2) is heated directly at the nip or in the vicinity of the latter by means of a high-frequency inductance coil (17, 18) arranged, for example,...  
WO/1990/007028
The invention concerns a heated sag-compensation roller (2), with shorter heat-up and cool-down times and a more even temperature distribution, which reduces the risk of damage to the roller shell (5). These improvements are achieved by ...  
WO/1990/000689
A cam follower assembly is provided which has a bearing outer ring (13) on an inner cylinder (23), with two rows of cylindrical rollers (17) therebetween. The rollers are held in place by inturned flanges (14, 15) at ends of the bearing ...  
WO/1989/012258
An imaging process which comprises the steps of developing an image with liquid toner including a liquid carrier and fusing and fixing the image by the application of energy thereto, where at least the following conditions: the energy ap...  
WO/1989/009906
An earthquake resistant, roller-supported, modular, isocentric gantry (10) for supporting and rotating a radiation beam transport and delivery system (12) on an axis of rotation (14) around a stationary patient so as to precisely deliver...  
WO/1989/008559
An impression cylinder (11) with an elastically deformable surface is mounted axially in wall parts (14, 20) by means of rolling bearings (3) in two bearings and pressed radially with a predetermined tension force against a feed roller. ...  
WO/1989/002038
In a pressure cylinder with a stationary support (2) and a cylinder shell (1) which rotates about the support and moves in the support (S) direction over the total width of the cylinder, axial and radial guiding of the cylinder shell is ...  
WO/1989/001572
A self-loading controlled deflection roll (4) is rotatably mounted with non-self-aligning bearings (1, 6) at either end to bearing housings (23) which, in turn, are pivotally-mounted to support stands (13). The stationary support beam (1...  
WO/1989/001542
A controlled deflection roll of the self-loading type has a shaft (12) about which a tubular shell (11) is disposed. The roll shell (11) is rotatably mounted on bearings (25) at either end which, in turn, are mounted about corresponding ...  
WO/1988/009846
A calender roll made of a resin of the present invention is characterized in that the shelf elastic modulus of the resin and the range of the Shore D hardness are defined to specific values. It requires no break-in operation, has excelle...  
WO/1988/009726
In a device for applying fluid substances in printing and coating machines, support plates (8) fixed to a support member have recesses (9) in which protruding spindles (7) of a magnetically presssed coating roller (6) sit loosely. Approa...  
WO/1988/008467
A nip-relieving device (3) for receiving overhanging weights on a variable-height bearing part (141) of an intermediate roller (11) of the calender is supported on the standard (6) of the calender by means of a variable-height supporting...  
WO/1988/007634
A self-loading controlled deflection roll (6) has its tubular shell (52) rotatably supported on front and back bearings (42) which, in turn, are mounted on a bearing ring (12) which is outwardly-movable arcuately on a pair of opposed pis...  

Matches 701 - 750 out of 11,097