23results about "Textile treatment" patented technology

A coating material for a calender roll comprises a cured product of a resin composition that comprises a urethane prepolymer component that is a reaction product of a diisocyanate and a polyol, and a curing agent component that comprises at least one of a diamine and a diol, and the diisocyanate comprises isophorone diisocyanate. A calender roll comprises a roll core material and the coating material for a calender roll that coats an outer periphery of the roll core material.

The present invention provides a quickly disassembling and assembling type textile rubber roller, belonging to the technical field of textile rubber roller equipment, and solving the problems that it is inconvenient to replace the rubber layer of the textile rubber roller after damage and it is inconvenient to peel off the rubber layer, etc. This quickly disassembling and assembling type textile rubber roller includes an adjusting seat one and a locking rubber roller. Connecting rotating shafts are detachably arranged at both ends of the locking rubber roller, driving sprockets are arranged on the connecting rotating shafts, bearing seats are connected to the outer sides of the connecting rotating shafts, an adjusting seat two is slidably arranged on the upper end of the adjusting seat one, an installation seat is slidably arranged on the upper end of the adjusting seat two, and the bearing seats are fixed on the installation seat through a plurality of installation bolt pairs. The present invention adopts the cooperation of the connecting rotating shaft and the locking rubber roller, and the disassembly and installation are fast, which is convenient for replacing the damaged locking rubber roller; by adopting the cooperation of the adjusting seat one, the adjusting seat two and the installation seat, the position of the locking rubber roller can be quickly adjusted with high adjustment precision; the locking rubber roller can quickly lock and install or disassemble the connecting shaft and the inner roller, which is convenient for locking the inner roller and peeling off the damaged rubber layer.

The present invention relates to a roller arrangement (1) for a textile machine (2), in particular for introducing false twist into a yarn (3), comprising a base body (4) and a running body (5), wherein the base body (4) and the running body (5) are connected via an axle (6) and a first radial bearing (7), and wherein the running body (5) comprises a surface (8) for frictionally transmitting torque to the yarn (3). The invention also relates to a textile machine (2) comprising such a roller arrangement (1). According to the invention, the roller arrangement (1) is characterized by an axial bearing (9) comprising a ball (10), via which the running body (5) is supported on the axle (6).

The invention relates to a fastening device, in particular a support, designed and configured to receive a bearing of a textile machine, in particular a rotor spinning machine, having at least one inner ring region and at least one outer ring region. In order to increase the operational safety of the textile machine, to extend the service life of the textile machine and thus to save resources and to improve the operation of the textile machine, it is provided that the inner ring region and the outer ring region are formed in one piece.

An adjustment device (4) is connected to a transmission device (33) of a thread rolling machine (3). The transmission device (33) includes an eccentric wheel (332) and a transmission shaft (333). The adjustment device (4) includes a drive assemblage (42) and a worm assemblage (43) linked with the transmission shaft (333). The worm assemblage (43) includes a worm shaft (431) meshed with the drive assemblage (42) and a regulating unit (433) disposed on the worm shaft (431). The drive assemblage (42) includes a first drive unit (421) disposed on a first shaft end (333A) of the transmission shaft (333) and defining a positioning portion (422) whose center is situated away from a center of the first drive unit (421) to present an eccentric arrangement. Accordingly, the cooperation between the drive assemblage (42) and the worm assemblage (43) allows a thread-rolling distance applied to the thread rolling machine (3) to be easily and precisely adjusted.

In an induction heating roller, the temperature distribution in an axial direction of a roller surface is equalized while decrease in strength of a roller main body is suppressed. An induction heating roller 30 includes a roller main body 31 and a heater 40. The roller main body 31 includes a cylindrical outer cylindrical part 33 and an end face part 35 connected to an end portion of the outer cylindrical part 33 on one end side in the axial direction. The heater 40 includes a coil 41 provided inside the roller main body 31. As an alternate current is supplied to the coil 41, the outer cylindrical part 33 is induction-heated. In an inner surface of the end face part 35, a groove portion 35a extending in the circumferential direction is formed in a region between the outer cylindrical part 33 and the heater 40 in the radial direction.

In order to suppress the generation of heat in a fixing ring provided in an induction heating roller, this induction heating roller 20 is provided with a roller unit 30 and a heater 50 which comprises a coil 52 arranged inside of the roller unit 30 in the radial direction. The roller unit 30 comprises: a roller main body 31 which has an outer tube part 34 which is inductively heated by magnetic flux that, generated by current flowing through the coil 52, passes through the roller unit 30 in the axial direction; a heat equalizing unit 32 which comprises a heat equalizing member 41 that contacts the inner peripheral surface 34b of the outer tube part 34, extends in the axial direction, and at least has a higher thermal conductivity than that of the inner peripheral surface 34b; a fixing ring 33 which fixes the roller main body 31 and the heat equalizing unit 32 and is provided in a manner such that the axial base end of the outer tube part 34 and the axial base end of the heat equalizing unit 32 are in contact; and a first magnetic member 46 which is arranged radially between the outer tube part 34 and the coil 52 and is arranged proximally of the center of the outer tube part 34 and distally of the fixing ring 33.

One aspect of the invention relates to a method for assembling an assembly (3) for a household appliance (1) for washing laundry, comprising the following steps: a) providing a bearing housing (9) of a bearing arrangement (4) of the assembly (3) and providing a separate first radial roller bearing (13) of the bearing arrangement (4); b) fastening the first radial roller bearing (13) of the bearing arrangement (4) to the bearing housing (9), in particular to an inner side of the bearing housing (9), with a press fit; c) providing a subassembly (22) with a shaft journal (7) of the bearing arrangement (4) and a laundry drum (6) of the assembly (3); d) axially inserting the subassembly (22) and the module (23) comprising the bearing housing (9) and the first radial roller bearing (13) fastened thereto into one another, such that the first radial roller bearing (13) is fastened to the shaft journal (7) with a press fit;e) following step d), axially inserting a second radial rolling bearing (14) into a receiving space (28) created during the mating process between the shaft journal (7) and the bearing housing (9) such that the second radial rolling bearing (14) is created as a floating bearing. Another aspect relates to a household appliance (1).

The invention relates to a fastening device, in particular a mount, which is designed and configured to receive bearings of a textile machine, in particular a rotor spinning machine, comprising at least one inner ring region and at least one outer ring region. In order to improve the safety of the operation of a textile machine, to extend the service life of a textile machine and thus save resources, and to improve the operation of a textile machine, the inner ring region and the outer ring region are formed as a single piece.

A shaft assembly has a shaft and a journal bearing that is fixedly coupled to the shaft so that rotation of the shaft causes corresponding rotation of the journal bearing. A bearing race has an inner surface that defines a cylindrical bore and a lubrication groove that extends radially outward from the cylindrical bore. The journal bearing is rotatably disposed within the cylindrical bore of the bearing race.

The present disclosure relates to a multi-track ball bearing system for the top roller in the textile industry. The multi-track bearing system has been developed with a core concept of a detachable and serviceable design to achieve the highest quality impact on the extracted sliver and yarn. Textile spinning mills will benefit from low maintenance by avoiding repeated roller replacements and achieving consistent quality in the sliver and yarn output to effectively serve their end customers. The design also allows for repair and recycling by reusing good functional parts and replacing worn-out parts. This can be done by the top roller manufacturer as needed and ultimately reduces the environmental impact due to the inherent benefits of recycling.

A shaft assembly has a shaft and a journal bearing that is fixedly coupled to the shaft such that rotation of the shaft causes corresponding rotation of the journal bearing. A bearing race has an inner surface defining a cylindrical bore and a lubrication groove extending radially outward from the cylindrical bore. The journal bearing is rotatably disposed within the cylindrical bore of the bearing race.

To provide a bearing for reducing the material fatigue of a machine.SOLUTION: A bearing (25) for a shed forming machine or a system for transmitting a motion to a frame of a loom comprises an inner ring (72), an outer ring (74) and rolling elements (76). The inner ring has two lateral surfaces vertical to a long axis and centered on a main axis line (A72), and defines a circular external peripheral ring (80) centered on the long axis line. The outer ring (74) defines the circular inner ring (72) centered on the main axis line. The inner ring (72) comprises at least one slot (90), is open onto the two lateral surfaces, extends opposite a part of the external peripheral ring (80), and forms a material bridge (94) between the slot and the external peripheral ring. The material bridge (94) extends above an angular sector (99) of the inner ring, the angular sector being centered on the main axis line (A72) of the bearing and having a vertex angle (α1) which is larger than a vertex angle (β2) of an angular sector occupied by the two rolling elements (76), or equal thereto.SELECTED DRAWING: Figure 4

One aspect of the invention relates to a method for assembling an assembly (3) for a household appliance (1) for the care of laundry items, comprising the following steps: a) providing a bearing housing (9) of a bearing arrangement (4) of the assembly (3) and providing a separate first radial rolling bearing (13) of the bearing arrangement (4); b) fastening the first radial rolling bearing (13) of the bearing arrangement (4) to the bearing housing (9), in particular an inner side of the bearing housing (9), with a press fit; c) providing a subassembly (22) with a shaft journal (7) of the bearing arrangement (4) and a laundry drum (6) of the assembly (3); d) axially inserting the subassembly (22) and the module (23) comprising the bearing housing (9) and the first radial rolling bearing (13) fastened thereto into one another, so that the first radial rolling bearing (13) is fastened to the shaft journal (7) with a press fit; e) following step d), axially inserting a second radial rolling bearing (14) into a receiving space (28) created during the mating process between the shaft journal (7) and the bearing housing (9) such that the second radial rolling bearing (14) is created as a floating bearing. A further aspect relates to a household appliance (1).

A loom includes a rotary shaft bridged to a pair of side frames with being supported via bearings each provided in corresponding one of the side frames, the rotary shaft includes: solid shaft-shaped shaft parts supported by corresponding one of the side frames; and a hollow pipe-shaped main body part located between the shaft parts. The loom includes a bearing structure provided in at least one of existence ranges of the shaft parts between the side frames with respect to an axis line direction of the rotary shaft. The bearing structure includes: a rolling bearing into which one of the shaft parts is fitted; and a support body configured to support the rolling bearing.

An axial bearing for a spinning rotor (1) of an open-end spinning device, which is supported in an axially thrust-free manner, particularly in a bearing space of a support disc bearing, comprises a static bearing component. This static bearing component includes at least two axially polarized permanent magnet rings (7) bounded on both sides by ferromagnetic pole disks (8). These permanent magnet rings are arranged in a bearing housing (6) such that, in the installed state, poles of the same polarity face each other. The static bearing component is designed, in particular, to interact during operation with a dynamic bearing component. This dynamic bearing component is formed by ferromagnetic webs (4) arranged on the rotor shaft (2) of the spinning rotor (1) at a distance from the pole disks (8). Each pole disk (8) has an axis (17) arranged vertically in the installed state of the pole disks (8), an axis (16) arranged orthogonally to the vertical axis (17), a central opening (14), and a disk ring (15).The disc ring (15) has a chamfer (12) and / or a non-ferromagnetic material on its inner circumference, adjacent to the central opening (14), along the vertical axis (17). A pole disk (8) and a bearing housing (7) are designed accordingly.

The present invention relates to a roller device for guiding a material web, in particular a fibrous web, comprising a hollow cylindrical roller shell rotatable about an axis of rotation (R), a first bearing section and a second bearing section arranged inside the roller shell and connected to it in a rotationally and axially fixed manner, wherein the first bearing section has a first axial extension which is mounted in a first receiving section of a first bearing plate arranged on one of the end faces of the roller shell in such a way that a fixed bearing is formed, and wherein the second bearing section has a second axial extension which is mounted in a second receiving section of a second bearing plate arranged on the other end face of the roller shell in such a way that a floating bearing is formed.

This invention relates to a spinning rotor bearing system for a rotor spinning apparatus, comprising a rotor shaft (10) of a spinning rotor (2) and a bearing unit (1) for a radial and axial combined bearing for the rotor shaft (10), the rotor shaft (10) comprising a permanent magnet (20) and an end face (18). The bearing unit (1) comprises a stator having a first axial yoke (11) and a second radial yoke (12), the first yoke (11) comprising a first diameter (D) J1 The first opening (8) of the yoke (12) includes a boss (14). The second yoke (12) includes a second diameter (D). J2 The second opening (9) of the first opening (8) forms a radial air gap (S) between the first opening (8) and the rotor shaft (10). R1 An axial air gap (S) is formed between the end face (18) and the boss (14). A An additional radial air gap (S) is formed between the circumferential surface of the rotor shaft (10) and the second yoke (12). R2 The permanent magnet (20) of the rotating cup shaft (10) is arranged between the first yoke (11) and the second yoke (12).

The present invention relates to an induction heating roll and a spinning and drawing device. In the induction heating roll, while suppressing a reduction in the strength of the roll body, the temperature distribution in the axial direction on the roll surface is made uniform. The induction heating roll (30) includes: a roll body (31) having a cylindrical outer cylinder portion (33) and an end face portion (35) connected to an end portion on one axial end side of the outer cylinder portion (33); and a heater (40) having a coil (41) disposed inside the roll body (31), and by supplying an alternating current to the coil (41), the outer cylinder portion (33) is inductively heated. Among them, in the inner surface of the end face portion (35), in a region radially between the outer cylinder portion (33) and the heater (40), a groove portion (35a) extending along the circumferential direction is provided.

The invention relates to polyurethane for producing roll covers, wherein a peroxide-based cross-linking agent is added during the production of the mixture and in addition both 4,6-bis (octylthiomethyl)-o-cresol and 4,4'- bis(phenylisopropyl) diphenylamine are added.

To provide a bearing for reducing the material fatigue of a machine.SOLUTION: A bearing (25) for a shed forming machine or a system for transmitting a motion to a frame of a loom comprises an inner ring (72), an outer ring (74) and rolling elements (76). The inner ring has two lateral surfaces vertical to a long axis and centered on a main axis line (A72), and defines a circular external peripheral ring (80) centered on the long axis line. The outer ring (74) defines the circular inner ring (72) centered on the main axis line. The inner ring (72) comprises at least one slot (90), is open onto the two lateral surfaces, extends opposite a part of the external peripheral ring (80), and forms a material bridge (94) between the slot and the external peripheral ring. The material bridge (94) extends above an angular sector (99) of the inner ring, the angular sector being centered on the main axis line (A72) of the bearing and having a vertex angle (α1) which is larger than a vertex angle (β2) of an angular sector occupied by the two rolling elements (76), or equal thereto.SELECTED DRAWING: Figure 4

The present invention relates to an antibacterial handrail and a manufacturing method therefor, the method comprising: a canvas preparation step of preparing a canvas to be disposed on the bottom surface of the handrail; a metal cable preparation step of preparing a metal cable embedded long in the longitudinal direction of the handrail to reinforce durability of the handrail; and an extrusion molding step of integrally molding the canvas prepared through the canvas preparation step and the metal cable prepared through the metal cable preparation step into a body, with a synthetic resin being continuously extruded, wherein the synthetic resin in the extrusion molding step is obtained by mixing 4 - 7 parts by weight of an antibacterial agent, 0.5 - 1 parts by weight of a dispersant, 0.3 - 0.6 parts by weight of an antioxidant, 0.2 - 0.5 parts by weight of a coupling agent, and 0.5 - 1 parts by weight of an anti-hydrolysis additive with respect to 100 parts by weight of a thermoplastic polyurethane (TPU) resin.

The invention relates to a method for assembling an assembly of a household appliance for caring for laundry, comprising: a) providing a bearing housing of a bearing device of the assembly and providing a separate first radial rolling bearing of the bearing device; b) fastening a first radial rolling bearing of the bearing arrangement to the bearing housing in an interference fit, in particular to the inner side of the bearing housing; c) providing a sub-assembly with a journal of the bearing arrangement and a laundry tub of the assembly; d) axially introducing the subassembly and the module having the bearing housing and the first radial rolling bearing fixed thereto into one another, such that the first radial rolling bearing is fastened to the journal in an interference fit; e) after step d), axially introducing the second radial rolling bearing into a receiving space generated between the journal and the bearing housing during mutual introduction according to step d), such that the second radial rolling bearing is generated as a floating bearing. The invention also relates to a household appliance.