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Patent Searching and Data


Matches 551 - 600 out of 2,652

Document Document Title
WO/1998/027391A1
The invention relates to a method and apparatus for producing and carrying hot air to a point of application. The method comprises the use of a gas generator (3), connected to an ejector unit (17) which is fitted in an air duct (14) and ...  
WO/1998/027272A1
The invention relates to a method of and an arrangement for treating a fiber web, whereby the fiber web (5) is dried substantially dry and led after that to be treated by means of heat and compression. At least one surface of the dry fib...  
WO/1998/027274A1
The invention concerns a roll for a paper machine, which roll (10) comprises an axle (11), on whose support the roll (10) is fitted to revolve, and a surface construction (13), which is connected to the axle by means of support pieces (1...  
WO/1998/027273A1
A method for drying of paper, in which method the paper web (W) to be dried is passed from the press section into a forward dryer section (D�1?), in which the web (W) is dried from the side of its bottom face in dryer groups (R�1?......  
WO/1998/026130A1
The invention relates to a method of and an apparatus for drying a fiber web, whereby the fiber web is dried in a cylinder drying unit (12) and in a band drier unit (11). The fiber web (5) is led from the cylinder drying unit (12) to the...  
WO/1998/026129A1
The invention relates to a method of and an apparatus for drying a fiber web, whereby the fiber web (5) is dried in a cylinder drying unit (12) and in a band drier unit (11). The cylinder drying unit (12) and the band drier unit (11) are...  
WO/1998/019007A1
An arrangement in an apparatus for drying a fiber web, in which apparatus the fiber web (5) is dried between two tight bands (1, 2) moving in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The first band (1) is hea...  
WO/1998/019005A1
The invention relates to an apparatus for drying a fiber web, in which apparatus the fiber web (5) is dried between two tight bands (1, 2) moving in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The first band (1)...  
WO/1998/019006A1
An apparatus for drying a fiber web, in which apparatus the fiber web (5) is dried between two tight bands (1, 2) moving in the same direction and turning around turning rolls (6a, 6b, 7a, 7b). The first band (1) is heated by means of a ...  
WO/1998/012380A1
The invention concerns a method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine, in which method the paper web (W) is first finished in a finishing section, in which finishing section the paper w...  
WO/1998/012379A1
The invention concerns a method for drying a surface-treated paper web or equivalent in an after-dryer of a paper machine, in which method the paper web (W) is first finished in a finishing section, in which finishing section the paper w...  
WO/1998/011298A1
A seal arrangement in a fibre web drying apparatus, in which a fibre web (5) is dried between two tight bands (1, 2) that move in the same direction around turning rolls (6a, 6b, 7a, 7b). The first band (1) is heated by a pressure chambe...  
WO/1998/010141A1
Apparatus for drying a wet web, such as a wet paper web, includes a through air dryer roll (10). A rotatable fan member (42) having fan blades (44) is located within the through air dryer roll interior at one end of the through air dryer...  
WO/1998/007924A1
A new dryer section (20) of an existing dryer section of the two tier double-felted type has air caps (42) disposed over the upper dryer rolls (28) to simultaneously dry both sides of the web (26) to increase drying rates. The heated pre...  
WO/1998/007998A1
This invention concerns a roller (110) which can be heated which has a cylindrical roller body (10) which turns about its axis (2) and has a first hollow arrangement (H�1?) and a second hollow arangement (H�2?) in the form of several...  
WO/1998/005954A1
When an ultrasonic transducer for detecting flaws in metal plates or the wall of a metal cylinder is directed at a surface to be inspected at a particular angle, about ten percent of the signal will appear as Harris waves which propagate...  
WO/1998/004777A1
The invention concerns a method for drying a paper to be surface-treated, in particular fine paper, in an after-dryer in a paper machine. In the method the paper web (W) is first dried in the forward dryer section of the paper machine by...  
WO/1998/003728A1
The invention concerns a method for the disinfecting and dewatering of a web, strip or the like formed continuously from a suspension, for example, a fibrous material suspension, for producing paper, cardboard or the like, using mechanic...  
WO/1998/003729A1
The invention concerns a method of disinfecting paper or cardboard. During paper or cardboard manufacture, it is becoming increasingly important to destroy the microbiological-type germs remaining in particular in the lower layers of the...  
WO/1997/049863A1
The invention concerns a method in drying and/or cooling of a web. In the method the web (W) is passed over the circumference of a blow drum (10) or equivalent, and the web (W) is dried by means of a drying gas that is blown out of openi...  
WO/1997/048853A1
The invention concerns a method and a device in connection with impingement drying and/or through-drying of a paper web or equivalent. In the invention the paper web (W) is dried by blowing hot air or equivalent by means of an impingemen...  
WO/1997/045588A1
The dryer section in a papermaking machine has a single tier of all top felted dryer rolls (24) six to nine feet in diameter. Air caps (42) are employed over the dryer rolls (24) to simultaneously dry both sides of the web (28) to preven...  
WO/1997/043484A1
An uncreped tissue sheet having improved softness results from supplementally dewatering a wet web to a consistency of greater than about 30 percent using noncompressive dewatering techniques (30) prior to a differential speed transfer (...  
WO/1997/042032A1
A roller (1) as a control object and an apparatus (10) for supplying a heat transfer medium are connected through at least one valve-pipe assembly (11) comprising a tubular member (14) and a valve (15). On the basis of the control signal...  
WO/1997/039185A1
A method and an arrangement for utilizing energy of an apparatus for drying a fibre web. The drying apparatus comprises two endless bands (1, 2) that are impermeable to air and that have a good thermal conductivity. A fibre web (5) runs ...  
WO/1997/039186A1
A method and an arrangement for utilizing condensation water of an apparatus for drying a fibre web. The drying apparatus comprises two endless bands (1, 2) that are impermeable to air and that have a good thermal conductivity. A fibre w...  
WO/1997/039183A1
A method for drying a fibre web, said method comprising passing the fibre web with at least one paper machine fabric between two bands which move in parallel, said bands having a good thermal conductivity and being impermeable to air, in...  
WO/1997/039299A1
The invention concerns a method and a device for drying a moving web material (P). The device (10) is fitted to direct infrared radiation at the moving web material (P) to be dried. The device (10) comprises at least one first infrared r...  
WO/1997/039184A1
A siphon for removing condensation water from the surface of a planar band. The siphon comprises a slide shoe (18), and at least one loading element for pressing the slide shoe (18) so that it is substantially in contact with the surface...  
WO/1997/039187A1
A method and an arrangement for utilizing energy of an apparatus for drying a fibre web. The drying apparatus comprises two endless bands (1, 2) that are impermeable to air and that have a good thermal conductivity. A fibre web (5) runs ...  
WO/1997/037077A1
In order to avoid the use of heat transfer fluids flowing through peripheral heating channels of heated calender rollers, supporting tubes (4) made of a soft elastic plastic are provided inside the heating channels (3). A resistance-heat...  
WO/1997/036045A1
A Yankee hood comprises an integral air heating system combining the hood with circulating fans, air heaters and an air flow duct work distribution system into one assembly with the air system apparatus located inside the hood. Motors fo...  
WO/1997/032080A1
The invention concerns a dryer section of a paper machine which is provided with one or several nips (NK;NKP) of intermediate calendering and in which dryer section there are several successive wire groups (R). The dryer section is prima...  
WO/1997/031755A1
An apparatus for grinding surfaces comprising a frame (1, 2), machine tools (3, 4, 5, 6, 7) attached to the frame, and several bearing elements (11, 12, 13, 14, 15, 16) attached to the frame which include a bearing surface (20) leaning o...  
WO/1997/030214A1
The invention relates to a dryer apparatus for fiber webs (10), such as webs of natural fiber, synthetic fiber and the like. The apparatus comprises a rotating dryer cylinder (1), the interior of which is provided with elements (8) for i...  
WO/1997/023689A1
A device for introducing a high-temperature fluid into a rotating body, comprising a pipe (2) through which said fluid passes, and which is solidly connected to said rotating body. The pipe is rotatably coupled to a support (6) by means ...  
WO/1997/023690A1
The invention relates to a dry end for drying a material web, in particular a paper or cardboard web, having at least one drying group with a plurality of drying cylinders and web guiding rollers and at least one nozzle device for transp...  
WO/1997/022729A1
Method of improving the tribological and erosive wear resistance of yankee dryer drums including coating the drum with an iron alloy containing from about 20 to about 47 weight per cent chromium, about 2.5 to about 6.5 weight per cent bo...  
WO/1997/021969A1
A processing roll (102) having a cylindrical sidewall (104) defines an interior chamber for steam. The interior surface (110) of the roll (102) is formed with longitudinal grooves (130) which lead to a collecting location (148). There ar...  
WO/1997/019223A1
An apparatus for drying a fibre web, the apparatus comprising two endless bands that conduct heat well and are impermeable to air, which bands are arranged to run part of the way parallel with each other, the first band (1) being heated ...  
WO/1997/016594A1
A blow box (2) for use in a plant for drying a material web (1), comprises an essentially horizontal upper box wall (3) having formed therein circular orifices (5) and so-called eyelid perforations (6), each one of which consists of a sl...  
WO/1997/015720A1
The invention overcomes the problem of paper edge overdrying during the paper drying process on paper machine drying cylinders. It comprises applying a thin ceramic coating onto the circumferential exterior surface of the cylinder near t...  
WO/1997/013031A1
The invention concerns a method in a paper machine or equivalent, in which method water is removed out of the paper web (W) or equivalent by pressing, in which pressing stage the paper web or equivalent is pressed in at least one press n...  
WO/1997/003247A1
A paper machine for manufacturing a web of soft crepe paper, comprising a wet end (1) having at least one forming wire (4) for forming and supporting a web (7), and a drying section (2) with a through drying machine (13), a drying cylind...  
WO/1996/041053A1
A limiting orifice through-air-drying apparatus for papermaking or other absorbent embryonic webs. The apparatus has a first zone (41) and a second zone (42). The first (41) zone is maintained at a differential pressure less than the bre...  
WO/1996/039604A1
Cylinder (20) for heat-treating rotates about a horizontal axis and is heated by a complement of internal stationary infrared burners (38) that extend all along the length of the cylinder, but only partway around the cylinder, forming ga...  
WO/1996/034145A1
The invention concerns a hood for a wire part and/or for a press section in a paper/board machine, comprising walls and a ceiling (10, 20), which form a closed hood around the wire part and/or the press section, air-conditioning being ar...  
WO/1996/032534A1
The invention concerns a dryer-section concept of a paper/board machine and a method in the drying of a paper/board web (W). The dryer section comprises a number of drying cylinder groups (RI...RN), which comprise a single-wire draw, on ...  
WO/1996/032535A1
The invention concerns a device in the dryer section of a paper machine, by means of which device a blowing is fitted to be produced to support the paper web or equivalent, which device comprises an air space (15), into which the air to ...  
WO/1996/029467A1
A method for drying a sheet of cellulose material, particularly a sheet of wet paper having a dry grammage of 10-80 g/m2 and a starting dryness level of 8-30 %, wherein said sheet is supported on a permeable web and hot air is caused to ...  

Matches 551 - 600 out of 2,652