Cushion material and cushion material manufacturing method
US12304178B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2020 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Feb 19, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2601/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cushion material with improved vibration absorptivity, and a cushion material manufacturing method for easily obtaining the cushion material are provided. The cushion material (1) includes a foam body (2) having a surface portion (20) formed of an air permeability control surface portion (21) and an air permeability uncontrol surface portion (22), and a covering material (3) configured to cover the air permeability uncontrol surface portion (22). The cushion material manufacturing method is a cushion material manufacturing method for obtaining the cushion material (1), and includes covering the air permeability uncontrol surface portion (22) of the foam body (2) with the covering material (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.