The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 1981
Filed:
Sep. 26, 1980
Paul H Kaiser, Glenolden, PA (US);
Rudolf Neuenschwander, Swarthmore, PA (US);
Henry J Norton, Wilmington, DE (US);
Scott Paper Company, Philadelphia, PA (US);
Abstract
A dry-formed nonwoven fabric; preferably an air lay web; including a fiber composition which is at least 50%, by weight, wood pulp fiber less than about 0.635 cm (1/4 inch) in length with 25% or more of the fiber composition in the web, by weight, being kraft wood pulp fibers, and under 50%, by weight, reinforcing fibers intermixed with the wood pulp fibers throughout the web structure; an embossment in the web providing a plurality of compressed, densified valley regions and less-dense high loft regions; the web including no more than about 5.1 g/m.sup.2 (3.0 lbs per ream of 2,880 ft..sup.2) of a binder and having a cross machine direction wet tensile strength no lower than about 0.09 Kg/cm (0.5 lbs/inch), and preferably at least 0.107 Kg/cm (0.6 lbs/inch). A higher cross-machine direction wet tensile strength in excess of 0.267 Kg/cm (1.5 lbs/inch) can be established at a binder level less than 8.5 g/m.sup.2 (5 lbs/ream), and preferably at a binder level between 6.8-8.5 g/m.sup.2 (4-5 lbs/ream).