An artificial blood vessel and a method for preparing the same are disclosed. The method includes: weaving warp yarns and weft yarns to form interlaced first and second weaves, both weaves extend along a weft direction and alternate to obtain a composite fabric; and successively corrugating and thermal-setting the composite fabric to obtain the artificial blood vessel. In the composite structure of the artificial blood vessel with the alternating the first and second weaves formed by the warp and weft yarns, a softness degree of the first weave is lower than that of the second weave. As a result, combining stiffness of the first weave with softness of the second weave, this composite structure ensures both low permeability and increased softness of the fabric. Therefore, it is improved to a certain extent over the conventional woven artificial blood vessels and is easier to handle and suture.

A thermosetting unit, in particular for a textile printer, includes a pair of stationary supports, a thermosetting roller extending between said stationary supports and rotatably carried by said stationary supports around a longitudinal axis thereof, a stationary infrared lamp extending inside said thermosetting roller and having opposite ends supported by said stationary supports, and a temperature-uniforming device housed inside the thermosetting roller.

A method and an apparatus for desizing and/or shrinking a textile fabric, the textile fabric having a length and a width, the method including moving, lengthwise, the fabric, and wetting the fabric within a first pool of liquid, the first pool of liquid including water; passing the fabric through a chamber, and in the chamber contacting the fabric with at least one heatable roller heated at a treatment temperature; soaking the fabric with a main pool of liquid, the main pool of liquid including water; and treating the fabric with ozone. The apparatus includes a first module for wetting the fabric, a second module with a heatable roller for heating the fabric, a third module for soaking the fabric, and fourth module for treating the fabric with ozone. The second module may optionally be integrated with the first module.

A vacuum coating device for a flexible substrate is provided, including a vacuum coating chamber and a transition chamber which are connected to each other. The vacuum coating chamber and the transition chamber communicate with each other through a slit. The vacuum coating device further includes a cooling roller, which is fixed in the transition chamber through a tension adjusting component. The cooling roller includes a roller body and a shaft, the roller body is fixedly installed on the shaft, and the roller body and the shaft are coaxial. Multiple heat dissipation passages are provided in the roller body along an axial direction of the roller body. Good cooling function is achieved and the flexible substrate is prevented from generating winkles.

A thermosetting unit, in particular for a textile printer, includes a pair of stationary supports, a thermosetting roller extending between said stationary supports and rotatably carried by said stationary supports around a longitudinal axis thereof, a stationary infrared lamp extending inside said thermosetting roller and having opposite ends supported by said stationary supports, and a temperature-uniforming device housed inside the thermosetting roller.

A thermal roller (1) includes: a cylindrical body (2) extending along a longitudinal direction (X-X), the cylindrical body (2) including at least one inner tubular element (3) and at least one outer tubular element (4) that is concentrically arranged around the inner tubular element (3), the inner tubular element (3) includes an outer diameter d and the outer tubular element 4 includes an inner diameter D, being D>d; two hubs (6), each arranged at one end of the cylindrical body (2); at least one heat-exchange chamber (10) realized between the inner tubular element (3) and the outer tubular element (4). The roller includes: a coating layer (11) for the inner tubular element (3) made of plastics, and at least one helical channel (13) between the coating layer (11) and the outer tubular element (4). The helical channel (13) is realized at least partially in the coating layer (11).

A method for thermosetting printed fabrics, comprising: providing a heated roller rotatable about a rotation axis and having a cylindrical outer surface, advancing a printed fabric in contact with the cylindrical outer surface of the heated roller, wherein the heated roller is rotated with a peripheral speed different from the speed of the fabric.

A method for thermosetting printed fabrics, comprising: providing a heated roller rotatable about a rotation axis and having a cylindrical outer surface, advancing a printed fabric in contact with the cylindrical outer surface of the heated roller, wherein the heated roller is rotated with a peripheral speed different from the speed of the fabric.

An apparatus for a thermal treatment of a textile web includes at least one drum with a perforated casing surface around which a material web can be at least partially wrapped, at least one connecting element, and a patterning shell with a plurality of openings separated by ridges fitted onto the casing of the drum. The patterning shell includes at least two segments detachably connected with aid of the at least one connecting element. The at least one connecting element is arranged on or integrated into a ridge.

A thermal roller (1) includes: a cylindrical body (2) extending along a longitudinal direction (X-X), the cylindrical body (2) including at least one inner tubular element (3) and at least one outer tubular element (4) that is concentrically arranged around the inner tubular element (3), the inner tubular element (3) includes an outer diameter d and the outer tubular element 4 includes an inner diameter D, being D>d; two hubs (6), each arranged at one end of the cylindrical body (2); at least one heat-exchange chamber (10) realized between the inner tubular element (3) and the outer tubular element (4). The roller includes: a coating layer (11) for the inner tubular element (3) made of plastics, and at least one helical channel (13) between the coating layer (11) and the outer tubular element (4). The helical channel (13) is realized at least partially in the coating layer (11).