Patent · US Active

Molded body, sound absorbing material, vibration absorbing material

US12227938B2 · kind B2 · utility

0Cited by
2References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 29, 2021
Grant dateFeb 18, 2025
Priority date
Expiry dateNov 30, 2041

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04B2001/8485
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Disclosed a molded body including: a plurality of cavity portions formed inside a molding material; and a plurality of neck portions provided in each of the plurality of cavity portions and configured to communicate with the cavity portions, wherein some of the plurality of neck portions communicate with a surface and/or the cavity portion exposed on the surface, wherein at least some of the plurality of neck portions cause the plurality of cavity portions to communicate with each other, and wherein an inner surface of the neck portion is formed by the molding material itself.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.