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Class Information
Number: 162/205
Name: Paper making and fiber liberation > Processes and products > Running or indefinite length work forming and/or treating processes (e.g., web) > Subsequent treatment of formed web > Pressure
Description: Processes in which the fibrous web is subjected to mechanical pressure by solid surfaces.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4713147 |
Extended nip press with displaceable center of gravity for the supporting force |
Dec. 15, 1987 |
| 4707222 |
Start-up and operating procedure for roll press having an extended nip press with inflatable press jacket |
Nov. 17, 1987 |
| 4676871 |
Air laid peat moss board |
Jun. 30, 1987 |
| 4673461 |
Enclosed shoe press with flexible end connections for its annular belt |
Jun. 16, 1987 |
| 4670102 |
Tandem calender |
Jun. 2, 1987 |
| 4662992 |
Twin-wire papermaking machine and method of dewatering a paper web in a twin-wire papermaking machine |
May. 5, 1987 |
| 4643802 |
Extended nip press with heating effects avoidance |
Feb. 17, 1987 |
| 4615689 |
Method for preparing paperlike products from fibers threaded with polymer |
Oct. 7, 1986 |
| 4588475 |
Method and device for reducing the rewetting of web material after a press nip |
May. 13, 1986 |
| 4586984 |
Press section for a fibrous web |
May. 6, 1986 |
| 4586983 |
Procedure and means in the treatment by pressing of a fibre web, in particular of a paper or cardboard web |
May. 6, 1986 |
| 4584058 |
Method and apparatus for dewatering a fibrous web |
Apr. 22, 1986 |
| 4584059 |
Belt press unit, preferably as wet press of a paper machine |
Apr. 22, 1986 |
| 4576682 |
Long-nip press for a paper making machine |
Mar. 18, 1986 |
| 4570314 |
Press roll |
Feb. 18, 1986 |
| 4568423 |
Apparatus with a long press zone in the press treatment of a web |
Feb. 4, 1986 |
| 4563245 |
Press device, particularly for the removing of water from a web of paper |
Jan. 7, 1986 |
| 4561978 |
Multiple primary roll |
Dec. 31, 1985 |
| 4561939 |
Extended nip press arrangement |
Dec. 31, 1985 |
| 4559106 |
Press roll and press in a paper making machine |
Dec. 17, 1985 |
| 4556451 |
Method of and apparatus for substantially equal compacting and dewatering of both faces of freshly felted paper web |
Dec. 3, 1985 |
| 4555306 |
Method and means for removing water from a web in a press of a papermaking machine |
Nov. 26, 1985 |
| 4555305 |
Apparatus and method for cooling a belt pressing unit in a paper machine |
Nov. 26, 1985 |
| 4536255 |
Extended nip press |
Aug. 20, 1985 |
| RE31923 |
Extended nip press |
Jun. 25, 1985 |
| 4519873 |
Process for producing fibrous sheet |
May. 28, 1985 |
| 4518460 |
Press roll for web material |
May. 21, 1985 |
| 4496429 |
Extended nip press for a paper machine |
Jan. 29, 1985 |
| 4483745 |
Method and apparatus of sheet transfer using a nonporous smooth surfaced belt |
Nov. 20, 1984 |
| 4482430 |
Extended nip press lubricating system for a paper machine |
Nov. 13, 1984 |
| 4473440 |
Calendered peat moss board |
Sep. 25, 1984 |
| 4431045 |
Apparatus for pressure treatment of a moving web |
Feb. 14, 1984 |
| 4425842 |
High expression squeeze roll liquor extraction of nonwoven batts |
Jan. 17, 1984 |
| 4414255 |
Water absorbing sheet assembly |
Nov. 8, 1983 |
| 4354901 |
Flexible absorbent boards |
Oct. 19, 1982 |
| 4320162 |
Multi-ply fibrous sheet structure and its manufacture |
Mar. 16, 1982 |
| 4309246 |
Papermaking apparatus and method |
Jan. 5, 1982 |
| 4300982 |
Wet press felt |
Nov. 17, 1981 |
| 4287021 |
Extended nip press |
Sep. 1, 1981 |
| 4285766 |
Press method in a paper machine |
Aug. 25, 1981 |
| 4284471 |
Method for the production of a fibrous mat |
Aug. 18, 1981 |
| 4257842 |
Preparing permanently embossed, highly porous wallpapers |
Mar. 24, 1981 |
| 4236962 |
Method and apparatus for separating a web from a former wire and transferring the web to a press felt |
Dec. 2, 1980 |
| 4224104 |
Paper manufacturing structure particularly for detaching a web from a wire |
Sep. 23, 1980 |
| 4209361 |
Method of multi-nip pressing in a paper machine |
Jun. 24, 1980 |
| 4201624 |
Extended nip press |
May. 6, 1980 |
| 4192713 |
Intermediate press nip of a paper machine press section |
Mar. 11, 1980 |
| 4188262 |
Method for dewatering paper in a paper machine press section |
Feb. 12, 1980 |
| 4178251 |
Apparatus for dehydration of sludge |
Dec. 11, 1979 |
| 4172759 |
Paper-machine structure and method for subjecting a web to suction |
Oct. 30, 1979 |
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