Patent · US Expired

Cushion having a three-dimensional net

US6489000B1 · kind B1 · utility

56Cited by
3References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2000
Grant dateDec 3, 2002
Priority date
Expiry dateMar 15, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/161
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A cushion includes a three-dimensional net, a plurality of metallic fastening members attached to the three-dimensional net on opposite sides thereof, and two resinous frames attached to the opposite sides of the three-dimensional net, respectively. The metallic fastening members are sandwiched between the resinous frames and the opposite sides of the three-dimensional net, and the resinous frames together with the metallic fastening members are joined to the three-dimensional net by vibration welding.

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