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:
May. 28, 2024
Filed:
Feb. 05, 2021
Jsp Corporation, Tokyo, JP;
Tatsuya Hayashi, Yokkaichi, JP;
JSP CORPORATION, Tokyo, JP;
Abstract
The polyamide-based resin expanded beads are expanded beads including a polyamide-based resin as a base resin, in which the average value of bead weight of the expanded beads is 0.5 mg or more and 8 mg or less, the coefficient of variation of the bead weight of the expanded beads is 10% or less, and the average value of the ratio of a long diameter to a short diameter (a long diameter/a short diameter) of the expanded beads measured with a projection image photographing type bead size distribution analyzer is 1 or more and 1.5 or less, the coefficient of variation of the ratio (a long diameter/a short diameter) is 12% or less, the average value of the a short diameter is 1 mm or more and 4 mm or less, and the coefficient of variation of the a short diameter is 10% or less.