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Class Information
Number: 34/119
Name: Drying and gas or vapor contact with solids > Apparatus > Rotary drums or receptacles > External > Plural > Heat exchange fluid supply and/or removal
Description: Apparatus including means to supply and/or remove the heat exchange fluids from the drums.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5878506 Arrangement in an apparatus for drying a fiber web Mar. 9, 1999
5878507 Apparatus for a paper-making machine for delivering liquid from a first level to a second, higher level Mar. 9, 1999
5850701 Dryer group with controlled heating and cooling of a paper web in a paper-making machine Dec. 22, 1998
5799409 Device for drying a material web with heated and cooled cylinders Sep. 1, 1998
5771603 Dryer section Jun. 30, 1998
5752324 Steam blower box May. 19, 1998
5749158 Apparatus for the application of steam onto a paper web May. 12, 1998
5729910 Rotary drying drum Mar. 24, 1998
5689897 Steam blast box and method for the zone-wise temperature control of a traveling paper web Nov. 25, 1997
5666741 Drying section with additional press nip Sep. 16, 1997
5661911 Dryer section of a paper machine Sep. 2, 1997
5594996 Apparatus for drying a fibre web Jan. 21, 1997
5566473 Processing roll apparatus and method for web drying Oct. 22, 1996
5551164 Drying section with an adjacent finishing roller Sep. 3, 1996
5537756 Device for evacuating condensate from a fluted drying cylinder by means of condensate evacuation pipes Jul. 23, 1996
5524355 Method and device for the transport of a liquid-gas mixture in a paper making machine Jun. 11, 1996
5383288 Method and device for drying paper Jan. 24, 1995
5335427 Device for removing liquid from inside a rotating cylinder or roll Aug. 9, 1994
5255447 Heat protection hood Oct. 26, 1993
5180002 Cylinder for rubber mixing mill Jan. 19, 1993
5154009 Journal for a hollow roll body, specifically for a drying cylinder of a paper machine Oct. 13, 1992
5109612 Aspirated syphon shoe May. 5, 1992
5090135 Device for removal of condensate from a steam-heated drying cylinder Feb. 25, 1992
5020243 Dryer syphon Jun. 4, 1991
5009016 Method for on-machine coating-drying of a paper web or the like Apr. 23, 1991
4945654 Application of superheated steam Aug. 7, 1990
4924603 Device for removing condensate from a steam-heated drying cylinder or similar by means of a rotating syphon May. 15, 1990
4899811 Cooling roll Feb. 13, 1990
4781795 Heated drum having high thermal flux and belt press using same Nov. 1, 1988
4753017 Heat control of steam-heated rollers Jun. 28, 1988
4718177 Device for condensate removal from a steam-heated drying cylinder Jan. 12, 1988
4716661 Dryer journal protection Jan. 5, 1988
4700493 Dryer differential pressure controller Oct. 20, 1987
4693015 Direct fired cylinder dryer Sep. 15, 1987
4691452 Articulable siphon tube assembly for dryer drum Sep. 8, 1987
4674196 Condensed steam agitator for a dryer cylinder and method Jun. 23, 1987
4663864 Steam heated drying cylinder for paper making May. 12, 1987
4648355 Heat exchanger array for a step down return of condensate Mar. 10, 1987
4646540 Cooling section for continuous web material impregnated with hot liquid Mar. 3, 1987
4644668 Dryer roll Feb. 24, 1987
4627176 Drying cylinder for a web material machine, particularly a paper machine Dec. 9, 1986
4622758 Method of and a device for drying a paper web or the like Nov. 18, 1986
4615122 Method for providing steam and hot air for hooded drying cylinders Oct. 7, 1986
4606136 Siphon for use in paper or cardboard machine dryers Aug. 19, 1986
4590688 Steam dryer drum May. 27, 1986
4542593 Apparatus for improving heat transfer in drying cylinders of a paper machine and method for assembling the same Sep. 24, 1985
4534120 Dryer for a continuous textile fabric Aug. 13, 1985
4520578 Drying cylinder adapted to be heated with steam Jun. 4, 1985
4516334 Rotary dryer with rotary low-pressure syphon May. 14, 1985
4506459 Fastener assembly for thermal insulation end panel for a paper machine dryer cylinder Mar. 26, 1985

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