 |
|
 |
| |
 |
|
Class Information
Number: 162/247
Name: Paper making and fiber liberation > Apparatus > Digester > Charging and/or discharging means (including blow pits) > Target, impact, explosion
Description: Apparatus in which the stock material is treated by (1) projecting it violently from the digester against a fixed abutment or (2) the material is caused to disintegrate by suddenly releasing the digestion pressures.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7566380 |
Continuous digester with fluid circulation |
Jul. 28, 2009 |
| 7510625 |
Device and method of using explosive forces in a contained environment |
Mar. 31, 2009 |
| 7497927 |
Continuous digester with fluid circulation |
Mar. 3, 2009 |
| 5454911 |
Apparatus for hydrolyzing and drying lignocellulosic material |
Oct. 3, 1995 |
| 5328562 |
Process for preparing a hydrolysed lingnocellulosic material |
Jul. 12, 1994 |
| 5262003 |
Method and system for defibering paper making materials |
Nov. 16, 1993 |
| 5114540 |
Apparatus for chemical treatment of lignocellulosic materials |
May. 19, 1992 |
| 4491504 |
Apparatus for treating cellulosic material with a screw feeder extending internally within a treatment vessel |
Jan. 1, 1985 |
| 4295925 |
Treating pulp with oxygen |
Oct. 20, 1981 |
| 4163687 |
Method and apparatus for explosively defibrating cellulosic fiber |
Aug. 7, 1979 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
