Process for producing paper

Paper making and fiber liberation – Processes and products – With coating after drying

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

162136, 162158, 1621643, 1621646, 1621681, 1621683, 162169, 162174, 162175, 162205, 162206, 427326, 427361, 427364, 427382, 427391, 427395, D21H 134, D21H 302

Patent

active

049350978

ABSTRACT:
A paper having an absolute dry moisture content (moisture content in absolute dry condition) of 1.8-7% is subjected to a heat calendering treatment at a temperature of 150.degree.-300.degree. C. under a linear pressure of 40 kg/cm or above to provide a paper which has both satisfactory surface smoothness and rigidity (stiffness) and is suited for use as a photographic support.

REFERENCES:
patent: 2378113 (1945-06-01), Van de Carr
patent: 3124504 (1964-03-01), Mahoney et al.
patent: 3647619 (1972-03-01), Mack et al.
patent: 3948721 (1976-04-01), Winheim
Casey, Pulp and Paper, vol. III (1981), pp. 1895-1903.
Calkin, Modern Pulp and Papermaking, 3rd ed., (1957), pp. 312, 313.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for producing paper does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing paper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing paper will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2258680

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.