Patent · US Active

Protective hood

US10265553B2 · kind B2 · utility

4Cited by

39References

18Claims

0Family size

Assignee

MSA Europe GmbH · CH

Inventors

Juergen Boss · Kornwestheim, DE
Peter Kadow · Berlin, DE
Peter Kling · Berlin, DE

Key dates

Filing date	Mar 14, 2013
Grant date	Apr 23, 2019
Priority date	—
Expiry date	Oct 10, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA62B17/001
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Described is a breathing system that covers a person's head with a flexible hood material. One aspect provides a protective hood, including: a flexible hood material having a closed top portion and a neck portion; a viewing window disposed within the flexible hood material; a breathing inlet disposed in the flexible hood material and providing for breathing air to enter into an interior of the protective hood; an exhalation valve disposed interior to the protective hood; and a sealing arrangement disposed at the neck portion of the flexible hood material; wherein at least a portion of expelled gas from the exhalation valve is released into an interior of the protective hood and rinses the interior of the protective hood.

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