US3799052A - Apparatus for the continuous pressure treatment of a web - Google Patents

Apparatus for the continuous pressure treatment of a web Download PDF

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Publication number
US3799052A
US3799052A US00326773A US32677373A US3799052A US 3799052 A US3799052 A US 3799052A US 00326773 A US00326773 A US 00326773A US 32677373 A US32677373 A US 32677373A US 3799052 A US3799052 A US 3799052A
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Prior art keywords
sleeve
drum
belt
set forth
web
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Expired - Lifetime
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US00326773A
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English (en)
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E Kusters
V Appenzeller
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/006—Calenders; Smoothing apparatus with extended nips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • 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
    • D06C15/06—Calendering, pressing, ironing, glossing or glazing textile fabrics between rollers and co-operating moving surfaces formed of flexible material, e.g. bands

Definitions

  • the apparatus includes a drum and a pressure belt surrounding the drum almost completely with both drum and pressure belt being movable with the web disposed inbetween.
  • a sleeve is disposed about the pressure belt as a supporting surface with a frictionreducing means, such as interconnected rollers, between the sleeve and pressure belt to transfer force.
  • the sleeve ends are spaced apart to permit passage of the web and pressure belt while at the same time being urged together to impart a tensile force in the sleeve. This tensile force serves to exert a uniform pressure on the moving web substantially over the entire surface of the drum, which may be heated.
  • This invention relates to an apparatus for the continuous pressure treatment of a web, and particularly to the continuous pressure treatment of webs of paper, textiles and the like.
  • the pressure which can be exerted on a web corresponds to the pressure under which the forming belt bears against the drum, and is determined by the tensioning of the forming belt.
  • tensioning is usually subjected to fairly precisely defined limits.
  • the forming belt is, of course, endless and must be deflected several times over rollers or drums in its path.
  • the resulting bending causes tensile and compressive stresses in the material of the forming belt which must remain in the resilient zone, i.e., below the flow limit of the material of the belt. Since the drum radii cannot be increased as required to improve the bending geometry, with any particular construction there is a maximum permissible belt thickness, from which the limit of the permissible tensile loading of the belt is determined.
  • the resulting radial pressures are, however, inadequate to produce on a web, for instance, an effect comparable with the work of a calender.
  • German Pat. Specification No. 923,172 discloses an apparatus for continuous pressing which includes a rotating drum having a steel forming belt looped around the surface by about the material to be pressed being disposed between the forming belt and the drum.
  • a segment which has a supporting surface adapted to the outer shape of the forming belt is disposed outside of the forming belt and is pressed radially against the drum.
  • rolling members which transmit pressure from the supporting surface to the forming belt are rollably disposed between the steel belt and the supporting surface. When pressure is exerted in this way, there is no need for special belt tensioning, which is difficult to control.
  • the invention provides an apparatus for the continuous pressure treatment of a web comprising a rotatable drum, a movable pressure belt looped about the drum and a sleeve forming a supporting surface about the belt.
  • the sleeve is disposed about the drum surface for substantially more than with a pair of opposed ends in spaced apart relation to form an axial nip for passage of the belt.
  • frictionreducing means are provided between the sleeve and belt and means are interconnected to the ends of the sleeve to impart a tensile stress in the sleeve.
  • the sleeve is looped around the drum by more than 180 to terminate in a zone in which the ends of the sleeve approach one another after being looped around the drum.
  • the sleeve can act like a tensioning belt whose tensioning in the peripheral direction exerts a radial force on the pressure belt and the drum.
  • the force corresponds to the pressure exerted on the web.
  • the sleeve can take the form of a steel plate bent around the drum.
  • the sleeve can be a plate about 6 to 12 millimeters (mm) in thickness which is pre-shaped to match the drum shape.
  • the pressure belt which is constantly deflected and bent backwards and forwards, during operation, the sleeve is only slightly deformed. There is therefore the required freedom in the dimensions of the sleeve whereas the pressure belt which is relieved from the job of applying force, can have the thin wall necessary to reduce the bending stresses.
  • the pressure belt is guided around the drum, in known manner, in the shape of a meander having a narrow neck, and the ends of the sleeve extend as far as the vicinity of the neck. In this way, the sleeve engages around almost the whole drum and the gap for the entry and exit of the web and pressure belt is as narrow as possible.
  • controllable force elements are provided which exert the tensile stress on the ends of the sleeve. This feature enables the required working pressure to be adjusted in the same way as the setting of a pair of rollers is altered.
  • the tensile stress operative on the ends of the sleeve is transmitted via tensioning elements disposed outside the web width.
  • the web and pressure belt can thus enter between the sleeve and the drum in the space between the tensioning elements.
  • the tensioning elements engage directly with the ends of the sleeve. This feature is, of course, on condition that the sleeve ends are suitably reinforced so as not to be deformed by the forces operative only on both sides.
  • the tensioning elements can engage with transverse yokes which are disposed in the vicinity of the meander neck, outside the neck and inside the pressure belt, and which extend transversely over the web width.
  • force-transmitting members are distributedover the web width and engage with the ends of the sleeve and the yokes.
  • the transverse yokes can readily be made very rigid, so as to absorb the-high bending forces.
  • a support bearing against the rotary bearing of the drum is disposed in the zone of the meander neck, and tensioning members engaging with the support are disposed at both ends of the sleeve.
  • the sleeve ends are not directly interconnected, but are connected via the support.
  • the support deflects the forces resulting from the fact that the sleeve is not completely looped around the drum to the drum bearing.
  • the tensioning members associated with the two ends of the sleeve can exert a tensioning force independently of one another between that particular end of the sleeve and the fixed support.
  • the independent exertion of force is advantageous since it allows, by suitable adjustment, compensation for the forces transmitted peripherally by the rotating drum to the sleeve.
  • some of the tensioning members can be adjusted for stronger tensioning oppositely to the peripheral force than others of the members.
  • a force member which can move the place of engagement of the tensioning elements with the support away from the drum bearing.
  • the tensioning elements can take the form of rigid anchors, only one force-exerting device being needed on each side.
  • the pressure belt can be basically made of any suitable material, for instance, even plastics or the like.
  • the pressure belt takes the form of a steel belt while a second movable belt is provided between the steel belt and the drum. This enables the web to be pressed between belts of different kinds, depending on the treatment required.
  • the web can extend between the second belt and the drum, or between the second belt and the pressure belt.
  • the second belt is made of a material having adifferent surface texture from steel. In that case, the steel surface acts on the web on one side, and the special surface on the other.
  • polyamide has proved very advantageous and can therefore be the material of which the second belt is made.
  • the forces between the sleeve and the pressure belt are transmitted by friction reducing means in the form of rolling members rolling therebetween which reduce friction when the pressure belt leads on the sleeve.
  • the pressure belt and the rolling members run on endless tracks which extend around the outside of the drum.
  • the rolling members take the form of a large number of endless roller chains which are constructed to advance closely adjacent to one another. These roller chains are so constructed as to leave behind no zones of the belt over which they have not rolled, but to roll over the whole belt surface.
  • the roller diameter is selected according to circumstances.
  • rollers It is not absolutely necessary for the rollers to follow closely one behind the other in order to prevent the forming belt from sagging noticeably between the rollers.
  • the pressure belt can become slightly corrugated. In that case, a roller-nip-like situation occurs at each roller for the web trapped between the pressure belt andthe drum and the result as a whole is a treatment effect corresponding to the web passing through a succession of the same number of.pairs of rollers.
  • the roller diameter is determined in accordance with the required working speed. For a higher working speed, larger roller diameters are convenient to keep the speed of rotation down.
  • the drum can be heated either electrically or by steam.
  • the drum and the pressure belt or the drum and the second belt or the second belt and the pressure belt can each be driven at different peripheral speeds. Which of these possibilities is adopted in each individual case depends on the guiding of the web. That is, those surfaces which enclose the web of materials between them must be given different peripheral speeds.
  • FIG. 1 diagrammatically illustrates a side view of an apparatus according to the invention utilizing one tension element at each side of the drum for tensioning a sleeve;
  • FIG. 2 diagrammatically illustrates a side view of a modified apparatus according to the invention utilizing a pair of tension elements at each side of the drum for tensioning a sleeve;
  • FIG. 3 diagrammatically illustrates a view of a tensioning element according to the invention which cooperates with a support to relieve a drum bearing of load;
  • FIG. 4 diagrammatically illustrates a view of a tensioning element interconnected with longitudinally disposed yokes on opposite sides of the sleeve in accordance with the invention
  • FIGS. 5, 6 and 7 each illustrate a plan view of a different roller chain for use with an apparatus according to the invention
  • FIG. 8 illustrates a side view of an apparatus in which the web runs between the drum and a plastic belt
  • FIG. 9 illustrates a side view of an apparatus in which the web runs between a plastic belt and a pressure belt.
  • a web 1 runs in meander shape around a drum 2 which rotates around a shaft 3 in the directon indicated by arrow 4.
  • a pressure belt 5 corotates, i.e., moves concurrently with the drum 2, on the outside of the web 1.
  • the belt 5 is looped over a large portion of the periphery of the drum 2 so that the web I is trapped between the pressure belt 1 and the drum surface.
  • a sleeve 6 is disposed outside of the pressure belt 5 to also enclose the drum 2 over a large part of the drum periphery, for example, over 180.
  • the sleeve 6 is sized to extend to the vicinity of the neck 7 of the meander-shaped course of the pressure belt 5 to leave a gap 8 through which the web 1 and the pressure belt 5 can enter and exit between the sleeve 6 and the drum surface.
  • the sleeve 6 is stationary in relation to the rotating drum 4 and corotating pressure belt 5.
  • friction-reducing means such as roller chains 9 are provided which roll between the outside of the pressure belt 5 and the inside of the sleeve 6.
  • roller chains 9 form a supporting surface when the pressure belt 5 rotates or moves about the drum axis.
  • the roller chains 9 are disposed close, one beside the other, over a width of the web and allow a rolling transmission of pressure over the whole supporting surface of the sleeve 6.
  • the ends 6', 6" of the sleeve 6 are interconnected via a means for imparting tensile stress in the sleeve 6. As shown, these means are tensioning elements 10 pro vided outside the web 1 on both sides of the web. The tensioning elements 10 each pull the ends 6', 6" of the sleeve 6 towards one another so that the sleeve 6 acts as a tensioning belt and exerts a radial pressure on the roller chains 9 which, in turn, transmit the pressure to the pressure belt 5 and the web 1.
  • the sleeve 6 is stable, but not completely rigid, the radial pressure produced by the peripheral pulling of the sleeve is distributed substantially uniformly over the periphery of the drum 2.
  • the sleeve 6 can be made, for instance, from steel plate about 6 to 12 millimeters (mm) thick ness.
  • the ends 6', 6" of the sleeve 6 are not interconnected directly, but via tensioning members 11, 12 which are associated with each end 6, 6".
  • These tensioning members ll, 12 are disposed on both sides of the web width and engage with a support 13 bearing against the drum bearing (not shown).
  • the support 13 serves to absorb the forces produced by the angular position of the vectors of force of the tensioning members 11, 12.
  • the vectors of force of the tensioning members l1, l2 correspond to the plane of the tangent to the drum 2 at the level of the ends 6, 6" of the sleeve 6.
  • the support 13 is provided with a force member 14 while the sleeve ends 6, 6" are connected together via anchors l6, 17 which extend from a common point 15.
  • the anchors l6, 17 are also connected to the support 13 at this point 15.
  • the force member 14 is constructed to urge the point 15 upwardly, i.e., away from the shaft 3 of the drum 2. This also produces a tensile force between the ends 6', 6" to create the required tensioning.
  • the force or power member 14 can be a pressure generator. Alternatively, in order to produce the same effect, a tension generator might also be provided on the support 13 above the point 15.
  • the means for imparting the tensile stress in the sleeve 6 includes two tensioning members 10 and two transverse yokes 18 in the form of I-beams which extend over the width of the web.
  • Each tensioning member 10 is located to one side of the web 1 andis connected at opposite ends to a respective yoke 18.
  • a plurality of force transmitting members 19 are distributed over the width of the web and are connected to the ends 6, 6" of the sleeve 6 and to the respective yokes 18.
  • the members 19 serve to transfer the force of the tensioning member 10 from the yokes 18 to the sleeve 6.
  • the transverse yokes 18 absorb the bending stresses produced by the fact that the tensioning members 10 are only laterally anchored.
  • the force transmitting members 19 take the form of hydraulic force members which are hydraulically interconnected.
  • the force members 10, ll, 12, 14 described above can be of any nature. Spindles, hydraulic cylinders or the like can be used. Since the working parts of the force members are small, it is more particularly recommended to use hydraulic units of large surfaces operating with diaphragm-like pressure cushions.
  • the roller chain 9 comprises two rollers 20, 21 per link of different lengths disposed one beside the other. These rollers 20, 21 are also disposed alternately in successive links and are interconnected by bent straps 22.
  • the rollers 20, 21 are mounted overhung and form aligned end faces, so that adjacent roller chains can be disposed directly one beside the other without leaving a gap.
  • the rollers 20, 21 cover all places in the chain width, due to the offset arrangement of the gap between the rollers 20, 21 of each link.
  • the roller chain 9 can alternatively be constructed with three rollers 23-25 per link disposed one beside the other and having different lengths in successive links.
  • the successive links are connected by straight straps, but for a number of successive links, the straps are disposed offset towards the same side.
  • the straps extend as a whole in zig-zag shape inside a chain, and therefore a roller constantly rolls over each place in the chain width.
  • the roller chain 9 can also be constructed substantially as shown in FIG. 6 but with straps that do not extend in zig-zag fashion.
  • the straps always extend in the direction of the same side, the straps being discontinued when they approach a certain distance from the chain edge and being restarted on the opposite side of the chain.
  • a plurality of the chains illustrated in FIGS. 5 to 7 run directly one beside the other, but independently of one another, so that there are no difficulties with regards to tilting of the roller axes.
  • FIG. 8 an embodiment the general construction of which corresponds to FIG. 2 is shown in greater detail.
  • a pair of drums or rollers are provided to form the neck 7 of the meandershaped course of the web 1 and pressure belt 5 around the drum 2.
  • the roller chains 9 rolling between the pressure belt 5 and the sleeve 6 are guided in a closed path around the outside of the drum 2 over rollers 31 disposed substantially in a square pattern.
  • the pressure belt 5 is guided around the drum 2 over rollers 32 outside the roller chain 9.
  • a second belt 34 is also disposed between the pressure belt- 5 and the web 1 and is guided around the'drum 2 over rollers 33 outside the pressure belt 5.
  • the roller chains 9, the pressure belt 5 and the second belt 34 can be tensioned independently of one another by tensioning devices whose function is indicated by the arrows 35, 36 and 37. All the drums 30 to 33 have shafts extending parallel with shaft 3 of drum 2.
  • the second belt 34 is made of polyamide which has special advantages, for instance, for the surface treatment of paper.
  • the web 1 is a paper web which is located between the polyamide belt 34 and the surface of the drum 2
  • the pressure treatment of the web can be boosted by heating the drum 2.
  • the drive of the polyamide belt 34 and pressure belt 5 can also be controlled to produce a different speed in the polyamide belt 34 relative to the surface of the drum 2 and, therefore, a frictional effect on the web.
  • the second belt 38 instead of running the web 1 between the second belt and the drum 2, the second belt 38 can be arranged in such a way that the web 1 runs between the second belt 38 and the pressure belt 5.
  • the second belt 38 which may be of a plastic material, runs over a single supporting roller 39 disposed above the nip of the meander.
  • a suitable drive produces a difference in speed between the second belt 38 and the pressure belt 5, which receive the web 1 therebetween to produce friction.
  • An apparatus for the continuous pressure treatment of a web comprising a rotatable drum having a surface for engaging the web;
  • a movable pressure belt looped about said drum for concurrent movement therewith with the web disposed between said drum and said belt;
  • said sleeve being disposed around said drum surface for substantially more than with a pair of opposed ends in spaced apart relation for passage of said belt therebetween;
  • said friction-reducing means includes a plurality of rolling members rollably disposed between said sleeve and said belt.
  • An apparatus as set forth in claim 1 which further comprises means for guiding said belt around said drum in the shape of a meander having anarrow neck and wherein said ends of said sleeve extend into the vicinity of said neck.
  • said means interconnecting said sleeve ends further includes a pair of transverse yokes, each yoke being disposed along said neck across the width of the web and connected to said controllable force elements, and a plurality of force transmitting members connecting each yoke to said sleeve over the width of said sleeve.
  • An apparatus as set forth in claim further com prising a bearing journalling said drum therein, and a support mounted on said bearing in the plane of said neck with a pair of said controllable force elements connected to opposite ends of said sleeve bearing on said support.
  • each controllable force element is independently connected to said support relative to an opposed controllable force element.
  • An apparatus as set forth in claim 5 further comprising a bearing journalling said drum therein and a support mounted on said bearing in the plane of said neck, wherein said means interconnecting said sleeve ends includes a pair of tensioning elements on each side of the web connected to said ends and to a common point with said force controllable element connected between said point and said support to displace said point away from said bearing.
  • said pressure belt is a steel belt and which further comprises an additional belt movably mounted between said steel belt and said drumv 13.
  • An apparatus as set forth in claim 12 including means for driving said drum and means for driving said belts at different peripheral speeds.
  • said friction-reducing means includes rolling members in the form of a large number of endless roller chains advancing closely adjacent to one another.
  • An apparatus as set forth in claim 1 further including means for heating at least one of said drum and said sleeve.
  • An apparatus as set forth in claim 1 including means for driving said drum and means for driving said pressure belt at different peripheral speeds.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Winding Of Webs (AREA)
US00326773A 1972-02-05 1973-01-26 Apparatus for the continuous pressure treatment of a web Expired - Lifetime US3799052A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2205503A DE2205503C3 (de) 1972-02-05 1972-02-05 Vorrichtung zur kontinuierlichen Druckbehandlung von Bahnen

Publications (1)

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US3799052A true US3799052A (en) 1974-03-26

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US00326773A Expired - Lifetime US3799052A (en) 1972-02-05 1973-01-26 Apparatus for the continuous pressure treatment of a web

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US (1) US3799052A (ja)
JP (1) JPS5119485B2 (ja)
AU (1) AU445337B2 (ja)
BR (1) BR7300120D0 (ja)
CA (1) CA987937A (ja)
CH (1) CH550891A (ja)
CS (1) CS184812B2 (ja)
DD (1) DD101930A5 (ja)
DE (1) DE2205503C3 (ja)
DK (1) DK135857C (ja)
FI (1) FI58451C (ja)
FR (1) FR2169922B1 (ja)
GB (1) GB1404958A (ja)
IT (1) IT971329B (ja)
NL (1) NL152945B (ja)
PL (1) PL79658B1 (ja)
SE (1) SE386217B (ja)
SU (1) SU442608A3 (ja)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973483A (en) * 1973-03-09 1976-08-10 Edward Kusters Apparatus for the continuous pressure treatment of a web
US4172416A (en) * 1978-03-09 1979-10-30 Rederiaktiebolaget Nordstjernen Apparatus for dewatering a suspension
US4431045A (en) * 1982-01-27 1984-02-14 Josefsson Lars G Apparatus for pressure treatment of a moving web
WO1985003315A1 (en) * 1984-01-19 1985-08-01 Josefsson Lars G Apparatus for pressure treatment of a moving web
US4710271A (en) * 1986-04-08 1987-12-01 Ray R. Miller Belt and drum-type press
US4738752A (en) * 1986-08-12 1988-04-19 Beloit Corporation Heated extended nip press apparatus
US4758310A (en) * 1986-04-08 1988-07-19 Miller Ray R Belt and drum-type pressing apparatus
US4781795A (en) * 1986-04-08 1988-11-01 Ray R. Miller Heated drum having high thermal flux and belt press using same
US4877487A (en) * 1986-04-08 1989-10-31 Miller Ray R Belt and drum-type press with supplemental nip loading means
US4880502A (en) * 1987-08-11 1989-11-14 Beloit Corporation Press drying apparatus with deflection control and blow box cooling
US4935138A (en) * 1987-10-07 1990-06-19 Guy Gaudfrin Press-filter with endless filtering webs
US5082533A (en) * 1990-04-10 1992-01-21 Beloit Corporation Heated extended nip press with porous roll layers
US5320036A (en) * 1991-02-05 1994-06-14 Hermann Berstorff Maschinenbau Gmbh Continuously operating material press
US5463946A (en) * 1993-06-14 1995-11-07 Hermann Berstorff Maschinenbau Gmbh Continuously operating material press with lubricating film for reducing friction
US5600898A (en) * 1995-09-12 1997-02-11 Beloit Technologies, Inc. Curl control by dryer aircaps in top felted dryer section
US5656165A (en) * 1993-02-23 1997-08-12 Yamamoto Kogyo Kabushiki Kaisha Dewatering apparatus of filter belt type
US5839203A (en) * 1995-05-12 1998-11-24 Institute Of Paper Science And Technology, Inc. Impulse dryer
EP1489213A1 (fr) * 2003-06-18 2004-12-22 Rieter Perfojet (S.A.) Machine de projection de jets d'eau sur une nappe
WO2005109096A2 (en) * 2004-04-23 2005-11-17 Eastman Kodak Company Roller chain for applying pressure
US20070277406A1 (en) * 2004-01-19 2007-12-06 Rovira Ramon S Roller Ironing Machine for Articles of Clothing
US20070294914A1 (en) * 2005-01-05 2007-12-27 Rainer Kloibhofer Drying cylinder
US20080005921A1 (en) * 2005-01-05 2008-01-10 Thomas Gruber-Nadlinger Device and method for producing and/or finishing a web of fibrous material
US20080128940A1 (en) * 2006-12-05 2008-06-05 Marvin Carlston Material Layering Device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7440068U (de) * 1974-12-02 1980-01-17 Drabert Soehne, 4950 Minden Vorrichtung zum kontinuierlichen dekatieren von geweben, gewirken u.dgl.
JPS5823872U (ja) * 1981-08-10 1983-02-15 株式会社東芝 マンコンベアにおける踏段チエ−ン伸び検出装置
DE3629963A1 (de) * 1986-09-03 1988-03-10 Menschner Maschf Johannes Vorrichtung zum kontinuierlichen dekatieren von geweben, gewirken u. dgl.
IT1230371B (it) * 1989-08-03 1991-10-18 Sperotto Rimar Spa Macchina fissatrice di forma particolarmente per tessuti lanieri.

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US2027657A (en) * 1932-02-17 1936-01-14 Mathieu Van Roggen Press for dehydrating colloid material
US2107485A (en) * 1936-07-11 1938-02-08 Trubenizing Process Corp Process and apparatus for adhesively uniting plies of fabric material
US2216996A (en) * 1936-11-20 1940-10-08 Lever Brothers Ltd Continuously operable machine for the expression from solids of liquids associated therewith
US2365658A (en) * 1939-06-20 1944-12-19 American Voith Contact Co Inc Apparatus for the removal of water, liquors, or other liquids from soaked masses of fibrous materials
DE923172C (de) * 1950-05-10 1955-07-25 Peter Voelskow Einrichtung zum kontinuierlichen Pressen
BE525788A (ja) * 1954-01-15 1956-06-22
US3354035A (en) * 1966-11-08 1967-11-21 Albemarle Paper Co Continuous process of drying uncoated fibrous webs
US3447246A (en) * 1967-03-27 1969-06-03 I T E S Ind Ticinese Essiccato Drier for leather

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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2027657A (en) * 1932-02-17 1936-01-14 Mathieu Van Roggen Press for dehydrating colloid material
US2107485A (en) * 1936-07-11 1938-02-08 Trubenizing Process Corp Process and apparatus for adhesively uniting plies of fabric material
US2216996A (en) * 1936-11-20 1940-10-08 Lever Brothers Ltd Continuously operable machine for the expression from solids of liquids associated therewith
US2365658A (en) * 1939-06-20 1944-12-19 American Voith Contact Co Inc Apparatus for the removal of water, liquors, or other liquids from soaked masses of fibrous materials
DE923172C (de) * 1950-05-10 1955-07-25 Peter Voelskow Einrichtung zum kontinuierlichen Pressen
BE525788A (ja) * 1954-01-15 1956-06-22
US3354035A (en) * 1966-11-08 1967-11-21 Albemarle Paper Co Continuous process of drying uncoated fibrous webs
US3447246A (en) * 1967-03-27 1969-06-03 I T E S Ind Ticinese Essiccato Drier for leather

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973483A (en) * 1973-03-09 1976-08-10 Edward Kusters Apparatus for the continuous pressure treatment of a web
US4172416A (en) * 1978-03-09 1979-10-30 Rederiaktiebolaget Nordstjernen Apparatus for dewatering a suspension
US4431045A (en) * 1982-01-27 1984-02-14 Josefsson Lars G Apparatus for pressure treatment of a moving web
WO1985003315A1 (en) * 1984-01-19 1985-08-01 Josefsson Lars G Apparatus for pressure treatment of a moving web
EP0302884A1 (en) * 1986-04-08 1989-02-15 Ray Ramsey Miller Belt roller press.
US4758310A (en) * 1986-04-08 1988-07-19 Miller Ray R Belt and drum-type pressing apparatus
US4781795A (en) * 1986-04-08 1988-11-01 Ray R. Miller Heated drum having high thermal flux and belt press using same
US4710271A (en) * 1986-04-08 1987-12-01 Ray R. Miller Belt and drum-type press
US4877487A (en) * 1986-04-08 1989-10-31 Miller Ray R Belt and drum-type press with supplemental nip loading means
EP0302884B1 (en) * 1986-04-08 1994-06-08 MILLER, Ray, Ramsay Belt and drum pressing apparatus
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Also Published As

Publication number Publication date
DK135857B (da) 1977-07-04
FR2169922A1 (ja) 1973-09-14
GB1404958A (en) 1975-09-03
DE2205503A1 (de) 1973-08-16
JPS4891307A (ja) 1973-11-28
FI58451C (fi) 1981-02-10
CA987937A (en) 1976-04-27
DE2205503B2 (de) 1973-11-08
JPS5119485B2 (ja) 1976-06-17
NL7216341A (ja) 1973-08-07
NL152945B (nl) 1977-04-15
AU445337B2 (en) 1974-02-21
CS184812B2 (en) 1978-09-15
DD101930A5 (ja) 1973-11-20
BR7300120D0 (pt) 1974-12-31
PL79658B1 (ja) 1975-06-30
SU442608A3 (ru) 1974-09-05
AU4940472A (en) 1974-02-21
FR2169922B1 (ja) 1976-04-09
CH550891A (de) 1974-06-28
DK135857C (da) 1978-02-06
FI58451B (fi) 1980-10-31
IT971329B (it) 1974-04-30
DE2205503C3 (de) 1974-05-30
SE386217B (sv) 1976-08-02

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