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Class Information
Number: 162/372
Name: Paper making and fiber liberation > Apparatus > Running or indefinite length product forming and/or treating means > Suction devices > Traveling suction face > Rotary pervious cylinder > Shell structure
Description: Apparatus in which the invention relates to the structure or details of the rotary pervious cylinder, per se.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7384508 |
Apparatus and method for draining water from a cellulose web |
Jun. 10, 2008 |
| 7351309 |
Roll in a paper or board machine and a dryer group in a paper or board machine |
Apr. 1, 2008 |
| 6884323 |
Vented main roll for press assembly in a paper machine |
Apr. 26, 2005 |
| 6682632 |
Roll for a paper or board machine |
Jan. 27, 2004 |
| 6616810 |
Device for removing water from a fibrous material strip |
Sep. 9, 2003 |
| 6413374 |
Threading device and method for threading the tail of the web |
Jul. 2, 2002 |
| 6402896 |
Roll for a paper or board machine |
Jun. 11, 2002 |
| 6284103 |
Suction roll shell in a paper-making machine and method of manufacturing same |
Sep. 4, 2001 |
| 6105788 |
Composite screen |
Aug. 22, 2000 |
| 5968319 |
Dual external suction boxes for suction roll for a paper machine |
Oct. 19, 1999 |
| 5470471 |
Anti-rewet deck for press rolls |
Nov. 28, 1995 |
| 5466343 |
Suction element for a paper machine |
Nov. 14, 1995 |
| 5456802 |
Threading vacuum sheave for a tissue calender |
Oct. 10, 1995 |
| 5151156 |
Suction roll with deflector pieces in the holes, for a dryer group of a paper making machine |
Sep. 29, 1992 |
| 5135614 |
Suction roll for a paper making machine and a method for producing a desired pressure profile for the suction roll |
Aug. 4, 1992 |
| 5024729 |
Suction roll with turbulence suppression element |
Jun. 18, 1991 |
| 4882011 |
Device for generating negative pressure inside a mantle of a revolving roll |
Nov. 21, 1989 |
| 4816169 |
Vacuum filter system and vacuum filter discharge flow assembly |
Mar. 28, 1989 |
| 4619737 |
Roller for machines in the paper-making industry |
Oct. 28, 1986 |
| 4544449 |
Apparatus for de-watering fibrous suspensions |
Oct. 1, 1985 |
| 4447941 |
Dewatering roll of a wire press |
May. 15, 1984 |
| 4419165 |
Method of making a rotary drum filter and method of making an annular valve housing for such a drum filter |
Dec. 6, 1983 |
| 4383877 |
Method of making an annular valve housing for a rotary drum filter |
May. 17, 1983 |
| 4366025 |
Suction press roll |
Dec. 28, 1982 |
| 4172759 |
Paper-machine structure and method for subjecting a web to suction |
Oct. 30, 1979 |
| 4146428 |
Suction roll for paper machines |
Mar. 27, 1979 |
| 4101374 |
Dewatering device including a drum with radially slanted cells |
Jul. 18, 1978 |
| 4076582 |
Suction roll sealing strip cleaning structure |
Feb. 28, 1978 |
| 4073679 |
Cylinder for forming, guiding and/or transporting paper webs or the like |
Feb. 14, 1978 |
| 4050131 |
Roll with inner and outer, spaced axially extending triangular mesh strips |
Sep. 27, 1977 |
| 4018648 |
Galvanic protection of a couch roll |
Apr. 19, 1977 |
| 4016032 |
Suction roll for transferring a web away from a press section |
Apr. 5, 1977 |
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