Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Improved pulp sheet formation










Image Number 2 for United States Patent #4198267.

The drainage of pulp sheet is improved by treatment of the pulp prior to entry to the sheet making machine with a composition comprising a suspension of finely-divided hydrophobic lubricating particles in a suitable carrier liquid. The invention has particular applicability to paper making wherein the smoothness and printability of the paper is improved and to pulp drying.








 
 
  Recently Added Patents
Hanger
Circuitry testing module and circuitry testing device
Method and apparatus for belling plastic pipe
Wound dressings
RPM Controlled Wind Power Generation System
Fabrication method of packaging substrate having through-holed interposer embedded therein
Wrench
  Randomly Featured Patents
Switching power supply with novel common mode filter arrangement
Conveyor belt with plastic covering
Resistance change memory device
Apparatus for the formation of mineral fibers by means of centrifuging wheels
Filtering technique based on high-frequency plant modeling for high-gain control
High-pressure, high-temperature gaseous chemical method for silicon oxidation
Elevator system including regenerative drive and rescue operation circuit for normal and power failure conditions
Apparatus for banding a stack of articles
MOS integrated circuit having a metal programmable matrix
Press device and process for treating a material web