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:
Sep. 30, 2025
Filed:
Mar. 21, 2024
Nitto Boseki Co., Ltd., Fukushima, JP;
Nitto Boseki Co., Ltd., Fukushima, JP;
Abstract
The glass cloth of the present invention includes glass strandsas warp threads and weft threads, the glass strandseach being composed of a plurality of glass filaments, and has a blocking variance number in the range of 0.027 to 0.077, the blocking variance number represented by the following expression (1):| (1)wherein, assuming that a warp glass strand is divided into three regions of a left region, a center region, and a right region with equal widths in a width direction of the warp glass strand, and number of blockings is counted in each of the regions, B, denotes a maximum value of number of blockings, Bdenotes a minimum value of number of blockings, and N denotes number of glass filaments included in the warp glass strand.