WO2007082851A1 - Heated cylinder for textile machines - Google Patents

Heated cylinder for textile machines Download PDF

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Publication number
WO2007082851A1
WO2007082851A1 PCT/EP2007/050307 EP2007050307W WO2007082851A1 WO 2007082851 A1 WO2007082851 A1 WO 2007082851A1 EP 2007050307 W EP2007050307 W EP 2007050307W WO 2007082851 A1 WO2007082851 A1 WO 2007082851A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinder
heating
circular wall
heating chamber
heating means
Prior art date
Application number
PCT/EP2007/050307
Other languages
French (fr)
Inventor
Bruno Scortegagna
Antonio Panozzo
Original Assignee
Lafer Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lafer Spa filed Critical Lafer Spa
Publication of WO2007082851A1 publication Critical patent/WO2007082851A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/18—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
    • F26B13/183—Arrangements for heating, cooling, condensate removal
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/02—Rollers
    • D06B23/028—Rollers for thermal treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D06C15/08—Rollers therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers

Definitions

  • the present invention refers to a heated cylinder used in textile machines, particularly for finishing operations, with the function of ironing, calendering, steaming and/or heating the fabric.
  • Heated cylinders that can be used in textile finishing machines, generally disposed in pairs to form a laminating calender for the fabric, or provided individually to compact and/or iron the fabric, generally wrapped under tension on the surface, are known.
  • such cylinders comprise an external surface made of carbon steel or stainless steel, ground and possibly protected on the surface by means of chrome plating, and an internal compartment for heating the external surface.
  • the heating of known cylinders is mainly carried out by means of two alternative known techniques, that is, a first by means of steam, and a second by means of electric resistances, according to the type of textile finishing work to be carried out, and therefore according to the temperatures that the cylinder has to reach.
  • the first heating technique used for example in compacting operations, the external surface of the cylinder is heated by means of a determinate quantity of steam introduced with a pressure of a few bar into the internal compartment .
  • the first heating technique however, has the disadvantage that it does not allow to heat the external surface of the cylinder to temperatures higher than about 16O 0 C, due to the physical-calorific limits of steam itself, which can be found, as known, with the Mollier diagram.
  • the external surface of the cylinder is heated by means of a plurality of electric resistances usually disposed circularly in the internal compartment in the proximity of the external surface.
  • the second heating technique allows to reach very high temperatures, in the range of about 250 0 C, it requires very long heating times even to reach temperatures below 200 0 C, thus entailing considerable electricity consumption and management costs.
  • One purpose of the present invention is therefore to achieve a heated cylinder for textile machines that will allow to reach even very high heating temperatures, as high as about 250 0 C, and that has reasonably low energy consumption and management costs.
  • Another purpose of the present invention is to achieve a heated cylinder that will guarantee an extremely flexible use and great adaptability to different treatments and/or materials.
  • the Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages.
  • a heated cylinder for textile machines comprises a first external circular wall and two head walls fixed laterally in proximity or in correspondence with the ends of the circular wall, defining inside them at least a first heating chamber where a first heating means is present, an electric resistance for example, in order to heat the first circular wall.
  • the cylinder also comprises at least a second wall, advantageously circular, disposed inside the first circular wall in order to define, together with the two head walls, a second heating chamber where a second heating means, for example using steam, is present, in order to assist and/or substitute the first heating means during the heating of the first external circular wall.
  • a second heating means for example using steam
  • the second internal wall is substantially parallel and preferably coaxial to the first external circular wall, in order to define between them a substantially annular compartment, or first heating chamber, where the electric heating means is disposed; said first heating chamber, in a preferential form of embodiment, is at least partly filled with diathermic oil, in order to guarantee a greater and more uniform distribution of heat on the first external circular wall.
  • the present invention it is therefore possible to selectively heat the first external circular wall by using only the first electric heating means, reaching very high temperatures, even as high as 250 0 C; or by using only the second steam heating means, being able to perform rapid heating at low temperature; or by combining the use of the first and second heating means, substantially halving the time required to reach maximum heating temperatures.
  • the solution according to the present invention therefore allows to choose the most advantageous and/or suitable type of heating, according to the type of textile finishing work to be done, or to the material being treated, allowing to optimize energy consumption for heating and to limit management costs for the textile machine.
  • - fig. 1 shows a longitudinal section of a heated cylinder for textile machines according to the present invention
  • - fig. 2 shows a section from II to II of fig. 1.
  • a heated cylinder 10 according to the present invention is assembled on a textile finishing machine, of an essentially known type and whose frame 11 is only partly illustrated in fig.
  • the heated cylinder 10 comprises an external circular wall 12 in contact with which the textile to be treated is disposed, two head walls 13 and 15 fixed in sealed manner to the ends of the external circular wall 12 , and an internal wall 16, in this case circular, disposed substantially parallel and coaxial to the external circular wall 12 and between the two head walls 13 and 15.
  • the heated cylinder 10 also comprises two supporting shafts 20 and 21, each one fixed coaxially outside a corresponding one of the two head walls 13 and 15, and both mounted rotatable on the frame 11 of the textile machine by means of respective ball bearings 22, in order to allow the heated cylinder 10 to rotate around its longitudinal median axis X.
  • the first heating chamber 17 is partly filled with a determinate quantity of diathermic oil, for example of the type able to be heated to very high temperatures, such as about 400 0 C.
  • the diathermic oil allows to distribute the heat in a uniform manner on the entire external surface of the heated cylinder 10.
  • a plurality of blind pipes 23, or cartridges are disposed circularly, in each of which a relative electric resistance 25 is disposed, activated by a relative command plant 26.
  • the disposition of the resistances 25 inside the blind pipes 23 allows to easily and rapidly replace any damaged or non-functioning electric resistance 25 simply by unscrewing it, without interfering with the other electric resistances 25.
  • the command plant 26 is mounted on the supporting shaft 21, shown on the right in fig. 1, and is connected to the respective electrical resistances 25 by means of relative electric cables wired through a cabling channel 27 made coaxial to the supporting shaft 21.
  • a certain quantity of pressurized steam for example at up to about 7 bar, can be introduced into the second heating chamber 19 by means of a rotating joint 29 and a feed channel 30, made coaxial to the other supporting shaft 20, shown on the left in fig. 1.
  • the steam is selectively introduced into the second heating chamber 19 through the opening of an electro valve 31 disposed upstream of the rotating joint 29.
  • a siphon tube 32 is disposed in the second heating chamber 19 which allows to discharge, again through the rotating joint 29, any possible condensation that forms due to the difference in temperature between the inside and the outside of the second heating chamber 19.
  • the external 12 and internal 16 circular walls, and also the head walls 13 and 15, are suitably sized in order to resist both the mechanical stress caused by the finishing of textiles, and also the internal pressure exerted by the steam. Furthermore, both the first and the second heating chambers 17 and 19 are perfectly airtight with respect to each other, in order to prevent any steam penetrating into the chamber containing the diathermic oil and vice versa, or the diathermic oil from leaking out.
  • the cylinder 10 also comprises, in its entirety, a temperature control unit that, in this specific case, has a first probe 33 and a second probe 35.
  • the first probe 33 is disposed inside the first heating chamber 17 and is able to detect the temperature of the diathermic oil in said first chamber 17, in order to command and/or regulate the drive of the command plant 26.
  • the second probe 35 or contact probe, is disposed in contact with the external surface of the external circular wall 12 in order to detect the actual heating temperature of the heated cylinder 10.
  • a command and control unit of known type and not shown in the drawings, is able to manage, regulate and coordinate, partly or completely automatically, the activation of the electro valve 31 and of the command plant 26, according to the data detected by the first and second probes 33 and 35, and possibly according to parameters set manually.
  • the heated cylinder 10 according to the present invention can be heated substantially in the following three ways, according to the specific finishing operation to be carried out.
  • a first method provides to heat the oil only by activating the electric resistances 25. By doing so, the oil reaches very high temperatures, higher than about 200 0 C, and by coming into contact with the external circular wall 12 the temperature of the latter rises proportionally.
  • This first heating method is advantageously used in working knitwear, for example for heat fixing polyester fibers, such as Lycra, or others.
  • a second method provides to heat the oil only with steam, by opening the electro valve 21. In this case the heating temperature is lower than about 160 0 C in order to heat the external circular wall 12 proportionally.
  • This second heating method is advantageously used in compacting machines, with the purpose of heating textiles, such as cotton.
  • a third way provides to heat the oil by activating both the electro valve 31 and the command plant 26 at the same time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

Heated cylinder (10) for textile machines comprising a first external circular wall (12) and two head walls (13, 15) fixed to the ends of the external circular wall (12) to define inside them at least a first heating chamber (17) in which first heating members (25) are present in order to heat the first external circular wall (12). The heated cylinder also comprises a second circular wall (16) disposed inside the first external circular wall (12) to define with the two head walls (13, 15) a second heating chamber (19) in which second heating members (29, 30, 31), of a different type from the first (25), are present, in order to assist and/or substitute the latter in heating the first external circular wall (12).

Description

"HEATED CYLINDER FOR TEXTILE MACHINES"
* * * * *
FIELD OF THE INVENTION
The present invention refers to a heated cylinder used in textile machines, particularly for finishing operations, with the function of ironing, calendering, steaming and/or heating the fabric.
BACKGROUND OF THE INVENTION
Heated cylinders that can be used in textile finishing machines, generally disposed in pairs to form a laminating calender for the fabric, or provided individually to compact and/or iron the fabric, generally wrapped under tension on the surface, are known.
Generally, such cylinders comprise an external surface made of carbon steel or stainless steel, ground and possibly protected on the surface by means of chrome plating, and an internal compartment for heating the external surface.
The heating of known cylinders is mainly carried out by means of two alternative known techniques, that is, a first by means of steam, and a second by means of electric resistances, according to the type of textile finishing work to be carried out, and therefore according to the temperatures that the cylinder has to reach. In the first heating technique, used for example in compacting operations, the external surface of the cylinder is heated by means of a determinate quantity of steam introduced with a pressure of a few bar into the internal compartment . The first heating technique, however, has the disadvantage that it does not allow to heat the external surface of the cylinder to temperatures higher than about 16O0C, due to the physical-calorific limits of steam itself, which can be found, as known, with the Mollier diagram.
The values of pressures necessary to reach higher temperatures are incompatible with the needs of the operating process within the framework of a textile factory.
However, this disadvantage constitutes a limit to the possible operational applications of the cylinder, and prevents finishing operations which require heating temperatures higher than about 2000C.
In the second heating technique, used for example in operations of heat fixing, the external surface of the cylinder is heated by means of a plurality of electric resistances usually disposed circularly in the internal compartment in the proximity of the external surface.
Although the second heating technique allows to reach very high temperatures, in the range of about 2500C, it requires very long heating times even to reach temperatures below 2000C, thus entailing considerable electricity consumption and management costs.
One purpose of the present invention is therefore to achieve a heated cylinder for textile machines that will allow to reach even very high heating temperatures, as high as about 2500C, and that has reasonably low energy consumption and management costs.
Another purpose of the present invention is to achieve a heated cylinder that will guarantee an extremely flexible use and great adaptability to different treatments and/or materials. The Applicant has devised, tested and embodied the present invention to overcome the shortcomings of the state of the art and to obtain these and other purposes and advantages. SUMMARY OF THE INVENTION
The present invention is set forth and characterized in the main claim, while the dependent claims describe other characteristics of the invention or variants to the main inventive idea.
In accordance with the above purpose, a heated cylinder for textile machines according to the present invention comprises a first external circular wall and two head walls fixed laterally in proximity or in correspondence with the ends of the circular wall, defining inside them at least a first heating chamber where a first heating means is present, an electric resistance for example, in order to heat the first circular wall.
According to a characteristic of the present invention, the cylinder also comprises at least a second wall, advantageously circular, disposed inside the first circular wall in order to define, together with the two head walls, a second heating chamber where a second heating means, for example using steam, is present, in order to assist and/or substitute the first heating means during the heating of the first external circular wall.
Advantageously, the second internal wall is substantially parallel and preferably coaxial to the first external circular wall, in order to define between them a substantially annular compartment, or first heating chamber, where the electric heating means is disposed; said first heating chamber, in a preferential form of embodiment, is at least partly filled with diathermic oil, in order to guarantee a greater and more uniform distribution of heat on the first external circular wall.
With the present invention it is therefore possible to selectively heat the first external circular wall by using only the first electric heating means, reaching very high temperatures, even as high as 2500C; or by using only the second steam heating means, being able to perform rapid heating at low temperature; or by combining the use of the first and second heating means, substantially halving the time required to reach maximum heating temperatures.
In fact, by activating first the steam heating means and then the electric means, the latter exploits the thermal inertia deriving from the fact that, when activated, it is already at a very high temperature, therefore the time required to reach working temperature is greatly reduced.
The solution according to the present invention therefore allows to choose the most advantageous and/or suitable type of heating, according to the type of textile finishing work to be done, or to the material being treated, allowing to optimize energy consumption for heating and to limit management costs for the textile machine.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other characteristics of the present invention will become apparent from the following description of a preferential form of embodiment, given as a non-restrictive example with reference to the attached drawings wherein: - fig. 1 shows a longitudinal section of a heated cylinder for textile machines according to the present invention; - fig. 2 shows a section from II to II of fig. 1.
DETAILED DESCRIPTION OF A PREFERENTIAL FORM OF EMBODIMENT
With reference to the attached drawings, a heated cylinder 10 according to the present invention is assembled on a textile finishing machine, of an essentially known type and whose frame 11 is only partly illustrated in fig.
1.
In particular, the heated cylinder 10 according to the invention comprises an external circular wall 12 in contact with which the textile to be treated is disposed, two head walls 13 and 15 fixed in sealed manner to the ends of the external circular wall 12 , and an internal wall 16, in this case circular, disposed substantially parallel and coaxial to the external circular wall 12 and between the two head walls 13 and 15.
This disposition of the circular walls, external 12 and internal 16, and of the head walls 13 and 15, allows to define inside the heated cylinder 10 a first substantially annular heating chamber 17 disposed between the external circular wall 12 and the internal circular wall 16, and a second substantially cylindrical heating chamber 19 comprised between the internal circular wall 16 and the two head walls 13 and 15. The heated cylinder 10 also comprises two supporting shafts 20 and 21, each one fixed coaxially outside a corresponding one of the two head walls 13 and 15, and both mounted rotatable on the frame 11 of the textile machine by means of respective ball bearings 22, in order to allow the heated cylinder 10 to rotate around its longitudinal median axis X.
The first heating chamber 17 is partly filled with a determinate quantity of diathermic oil, for example of the type able to be heated to very high temperatures, such as about 4000C. The diathermic oil allows to distribute the heat in a uniform manner on the entire external surface of the heated cylinder 10.
Inside the first heating chamber 17 a plurality of blind pipes 23, or cartridges, are disposed circularly, in each of which a relative electric resistance 25 is disposed, activated by a relative command plant 26.
The disposition of the resistances 25 inside the blind pipes 23 allows to easily and rapidly replace any damaged or non-functioning electric resistance 25 simply by unscrewing it, without interfering with the other electric resistances 25.
In this case, the command plant 26 is mounted on the supporting shaft 21, shown on the right in fig. 1, and is connected to the respective electrical resistances 25 by means of relative electric cables wired through a cabling channel 27 made coaxial to the supporting shaft 21.
On the contrary, when it is desired to heat the cylinder 10, a certain quantity of pressurized steam, for example at up to about 7 bar, can be introduced into the second heating chamber 19 by means of a rotating joint 29 and a feed channel 30, made coaxial to the other supporting shaft 20, shown on the left in fig. 1. The steam is selectively introduced into the second heating chamber 19 through the opening of an electro valve 31 disposed upstream of the rotating joint 29.
Moreover, a siphon tube 32 is disposed in the second heating chamber 19 which allows to discharge, again through the rotating joint 29, any possible condensation that forms due to the difference in temperature between the inside and the outside of the second heating chamber 19.
The external 12 and internal 16 circular walls, and also the head walls 13 and 15, are suitably sized in order to resist both the mechanical stress caused by the finishing of textiles, and also the internal pressure exerted by the steam. Furthermore, both the first and the second heating chambers 17 and 19 are perfectly airtight with respect to each other, in order to prevent any steam penetrating into the chamber containing the diathermic oil and vice versa, or the diathermic oil from leaking out.
The cylinder 10 also comprises, in its entirety, a temperature control unit that, in this specific case, has a first probe 33 and a second probe 35.
The first probe 33, or thermocouple, is disposed inside the first heating chamber 17 and is able to detect the temperature of the diathermic oil in said first chamber 17, in order to command and/or regulate the drive of the command plant 26.
The second probe 35, or contact probe, is disposed in contact with the external surface of the external circular wall 12 in order to detect the actual heating temperature of the heated cylinder 10.
A command and control unit, of known type and not shown in the drawings, is able to manage, regulate and coordinate, partly or completely automatically, the activation of the electro valve 31 and of the command plant 26, according to the data detected by the first and second probes 33 and 35, and possibly according to parameters set manually.
The heated cylinder 10 according to the present invention can be heated substantially in the following three ways, according to the specific finishing operation to be carried out.
A first method provides to heat the oil only by activating the electric resistances 25. By doing so, the oil reaches very high temperatures, higher than about 2000C, and by coming into contact with the external circular wall 12 the temperature of the latter rises proportionally. This first heating method is advantageously used in working knitwear, for example for heat fixing polyester fibers, such as Lycra, or others. A second method provides to heat the oil only with steam, by opening the electro valve 21. In this case the heating temperature is lower than about 1600C in order to heat the external circular wall 12 proportionally. This second heating method is advantageously used in compacting machines, with the purpose of heating textiles, such as cotton.
A third way provides to heat the oil by activating both the electro valve 31 and the command plant 26 at the same time.
In this case the steam quickly pre-heats the oil up to a temperature of about 1600C, while the resistances 25, which when activated are already heated, allow to further increase the temperature reached, within a time substantially half that needed with known techniques. In this solution we therefore have a considerable reduction in energy consumption.
It is clear, however, that modifications and/or additions of parts may be made to the heated cylinder 10 as described heretofore, without departing from the field and scope of the present invention.
It is also clear that, although the present invention has been described with reference to specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of heated cylinder for textile machines, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.

Claims

1. Heated cylinder for textile machines comprising a first external circular wall (12) and two head walls (13, 15) fixed to the ends of said external circular wall (12) in order to define at least a first heating chamber (17) inside them, in which a first heating means (25) is present able to heat at least said first external circular wall (12), characterized in that it comprises at least a second wall (16) disposed inside said first external circular wall (12) and able to define with said two head walls (13, 15) a second heating chamber (19) in which a second heating means is present (29, 30, 31) of a different type from said first heating means (25) and able to assist and/or substitute said first heating means (25) in order to heat said first external circular wall (12).
2. Cylinder as in claim 1, characterized in that said first heating means (25) is of the electric type, and said second heating means (29, 30, 31) is of the steam type.
3. Cylinder as in claim 1 or 2, characterized in that said second wall (16) is substantially coaxial to said first circular wall (12).
4. Cylinder as in any claim hereinbefore, characterized in that said second wall (16) is circular and substantially parallel to said first circular wall (12).
5. Cylinder as in any claim hereinbefore, characterized in that said first heating chamber (17) is at least partly filled with diathermic oil.
6. Cylinder as in claim 2, characterized in that said first electric heating means comprises a plurality of electric resistances (25) disposed circularly inside said first heating chamber (17).
7. Cylinder as in claim 6, characterized in that each of said electric resistances (25) is stably inserted into a relative blind pipe (23).
8. Cylinder as in claim 2, characterized in that said second steam heating means comprises at least one valve member (31) able to selectively introduce a determinate quantity of steam under pressure into said second heating chamber (19).
9. Cylinder as in claim 8, characterized in that it also comprises at least one rotating joint (29) disposed downstream of said valve member (31) and able to allow the introduction of said steam into said second heating chamber (19) even in a condition where the heated cylinder (10) is rotating.
10. Cylinder as in claim 8 or 9, characterized in that said steam is introduced into said second heating chamber (19) through a feed channel (30) substantially coaxial to said second wall (16).
11. Cylinder as in any claim from 8 to 10, characterized in that it also comprises at least one tubular element (32) disposed partly inside said second heating chamber (19) and through which any possible condensation is able to be discharged.
12. Cylinder as in any claim hereinbefore, characterized in that it also comprises temperature control means (33, 35) cooperating with a command and control unit, in order to manage, regulate and coordinate, partly or totally automatically, the activation of the first heating means (25) and of the second heating means (29, 30, 31).
13. Cylinder as in claim 12, characterized in that said temperature control means comprises a first probe (33) disposed inside said first heating chamber (17) and a second probe (35) disposed in contact with the external surface of said first circular wall (12).
PCT/EP2007/050307 2006-01-20 2007-01-12 Heated cylinder for textile machines WO2007082851A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUD2006A000012 2006-01-20
ITUD20060012 ITUD20060012A1 (en) 2006-01-20 2006-01-20 HEATED CYLINDER FOR MACHINE TOOLS

Publications (1)

Publication Number Publication Date
WO2007082851A1 true WO2007082851A1 (en) 2007-07-26

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WO (1) WO2007082851A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103890263A (en) * 2011-09-13 2014-06-25 量子技术(德国)有限公司 Roller for heating a paper web or fabric
ITVI20130295A1 (en) * 2013-12-12 2015-06-13 Sintec Textile Srl CYLINDER HEATING SYSTEM FOR INDUSTRIAL USE
EP3815896A1 (en) * 2019-10-31 2021-05-05 Patrizio Petrelli Heating device for calender cylinders

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH75871A (en) * 1917-01-26 1918-03-01 Anton Huwiler Method for heating drying cylinders, e.g. B. in machines in the paper and textile industry in which steam is used as a heating medium, as well as equipment on drying cylinders to carry out this process
GB507308A (en) * 1939-01-07 1939-06-13 Paul Kleinewefers Heatable and coolable cylinder, especially for paper and textile-calenders
CH427654A (en) * 1963-12-19 1966-12-31 Kalle Ag Heated, hollow roller
US3331434A (en) * 1965-06-29 1967-07-18 Nat Drying Machinery Co Heat transfer roll
DE1810232A1 (en) * 1968-11-22 1970-06-04 Int Paper Co Drying cylinder for pulp and paper
EP0156790A2 (en) * 1984-03-29 1985-10-02 Lenzing Aktiengesellschaft Heated roll
US4677773A (en) * 1985-12-20 1987-07-07 New Super Laundry Machinery Co. Inc. Heated rotary flatwork ironer
US4753017A (en) * 1987-03-23 1988-06-28 Gilbert Sr Lyman F Heat control of steam-heated rollers
DE4317873A1 (en) * 1993-05-28 1993-10-14 Voith Gmbh J M Hollow roller used for paper-making machines - has inner channels for a heat carrier and outer coolant channels
DE29614264U1 (en) * 1996-08-17 1997-12-18 Eduard Küsters Maschinenfabrik GmbH & Co KG, 47805 Krefeld Heated roller
US5729910A (en) * 1996-10-29 1998-03-24 Marquip, Inc. Rotary drying drum
DE29710620U1 (en) * 1997-06-18 1998-10-15 Eduard Küsters Maschinenfabrik GmbH & Co. KG, 47805 Krefeld Heated roller

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH75871A (en) * 1917-01-26 1918-03-01 Anton Huwiler Method for heating drying cylinders, e.g. B. in machines in the paper and textile industry in which steam is used as a heating medium, as well as equipment on drying cylinders to carry out this process
GB507308A (en) * 1939-01-07 1939-06-13 Paul Kleinewefers Heatable and coolable cylinder, especially for paper and textile-calenders
CH427654A (en) * 1963-12-19 1966-12-31 Kalle Ag Heated, hollow roller
US3331434A (en) * 1965-06-29 1967-07-18 Nat Drying Machinery Co Heat transfer roll
DE1810232A1 (en) * 1968-11-22 1970-06-04 Int Paper Co Drying cylinder for pulp and paper
EP0156790A2 (en) * 1984-03-29 1985-10-02 Lenzing Aktiengesellschaft Heated roll
US4677773A (en) * 1985-12-20 1987-07-07 New Super Laundry Machinery Co. Inc. Heated rotary flatwork ironer
US4753017A (en) * 1987-03-23 1988-06-28 Gilbert Sr Lyman F Heat control of steam-heated rollers
DE4317873A1 (en) * 1993-05-28 1993-10-14 Voith Gmbh J M Hollow roller used for paper-making machines - has inner channels for a heat carrier and outer coolant channels
DE29614264U1 (en) * 1996-08-17 1997-12-18 Eduard Küsters Maschinenfabrik GmbH & Co KG, 47805 Krefeld Heated roller
US5729910A (en) * 1996-10-29 1998-03-24 Marquip, Inc. Rotary drying drum
DE29710620U1 (en) * 1997-06-18 1998-10-15 Eduard Küsters Maschinenfabrik GmbH & Co. KG, 47805 Krefeld Heated roller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103890263A (en) * 2011-09-13 2014-06-25 量子技术(德国)有限公司 Roller for heating a paper web or fabric
ITVI20130295A1 (en) * 2013-12-12 2015-06-13 Sintec Textile Srl CYLINDER HEATING SYSTEM FOR INDUSTRIAL USE
EP3815896A1 (en) * 2019-10-31 2021-05-05 Patrizio Petrelli Heating device for calender cylinders

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