Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Weight per unit area specified
Patent
1994-01-31
1995-08-22
Ryan, Patrick J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Weight per unit area specified
428503, 428511, 428530, 428534, 428535, 4285375, B32B 2900
Patent
active
054439027
ABSTRACT:
Improvements in the construction of postformable laminates are disclosed by the provision of a single high basis weight, high coarseness, high kappa number sheet formed predominantly of softwood pulp, preferably southern loblolly pine, which pulp has been treated in a mechanical device that effectively imparts kinking and curling to the individual pulp fibers. The sheet is intended as a replacement for the highly extensible sheet(s) currently located on the back of the laminate farthest away from the core.
REFERENCES:
patent: 4431479 (1984-02-01), Barbe et al.
TAPPI, vol. 60, No. 4 (1977) pp. 114-117, "Elastic modulus of single wood pulp fibers", D. H. Page et al.
TAPPI, vol. 62, No. 9 (1979), pp. 99-102, "The elastic modulus of paper", D. H. Page et al.
TAPPI, vol. 63, No. 6 (1980), pp. 113-116, "The elastic modulus of paper", D. H. Page et al.
Fortin J. Donato
Hintz Harold L.
Knox David E.
Macholl Marie R.
McDaniel Terry B.
Reece IV Daniel B.
Ryan Patrick J.
Schmalz Richard L.
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