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:
Mar. 03, 2015
Filed:
Nov. 30, 2012
Nishikawa Rubber Co., Ltd., Hiroshima, JP;
Nishikawa Rubber Co., Ltd., Hiroshima, JP;
Abstract
Two sheets of nonwoven fabric with the same shape and size each including a rectangular bodyand a funnel-shaped projectionprojecting from one side of the bodyare stacked, and bonded together by heat welding at each side of the bodyexcept the projectionand both sides of the projection. Joint portions, andprojecting inward from a jointare located on three sides and four corners of the bodyexcept the side provided with the projection, and project to depths at which the joints do not interfere insertion of a nozzleinto a center portion of the bag. The nozzleis inserted through an openingof the projection, and the bag is filled with a granular elastic material. Then, the projectionis removed, and the opening is closed.