Patent · US Expired

Manner of attaching component elements to filtration material such as may be utilized in respiratory masks

US6959709B2 · kind B2 · utility

16Cited by
69References
50Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 2001
Grant dateNov 1, 2005
Priority date
Expiry dateApr 11, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2279/55
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A component is attached to filtration material by providing the component with a deformable extension member that is preferably integral with the component and that extends from a base portion of the component. The extension member is inserted through an opening provided through the filtration material and is then deformed to provide a mechanical clamp that is utilized in attaching the component in position. In certain embodiments, the component is an attachment such as an exhalation valve of a respiratory mask.

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