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:
Apr. 14, 2009
Filed:
Apr. 28, 2004
Hiroshi Mano, Tokyo, JP;
Seishiro Ishiyama, Tokyo, JP;
Yasuo Yanagida, Tokyo, JP;
Tajima Incorporated, Tokyo, JP;
Abstract
An effective recycling method for a fiber fabrication layer unit which has been separated and retrieved from a tile carpet and which comprises a fiber assembled layer to which a part of a backing layer being integrally contacted and a method for producing a product to be recycled. The method for effectively recycling the fiber fabrication layer unit includes the steps of: applying a pressured shearing force to a surface of a backing layer of a tile carpet collected from the market before it is broken, so that at least a part of the backing layer is separated from a fiber assembled layer or from a rest of portion of the backing layer; separating the backing layer and the fiber fabrication layer unit including the fiber assembled layer from the tile carpet from each other; after that, gathering and connecting the tile carpets or the fiber fabrication layer units to each other utilizing heat energy or suitable adhesive, to form a tile shaped block like sheet material or a longitudinal sheet material; and forming various kinds of industrial materials from these sheets.