Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
261 words
A protective suit comprising: a helmet portion having head and neck regions adapted to enclose the entire head and neck of a wearer; a body portion adapted to enclose the body of the wearer therein, said body portion being connected to said helmet portion and comprising a plurality of hollow chambers fillable with breathing gas and adapted to surround the body of the wearer of the suit, said hollow chambers having respective hollow interiors and being interconnected to cause said interiors of said hollow chambers to communicate one with the other; a plurality of hollow bodies fillable with breathing gas and being arranged on said suit in the head, neck and upper torso regions thereof; said hollow bodies having respective hollow interiors and being interconnected so as to cause said hollow interiors to communicate one with the other; breathing gas supply means connected to said hollow bodies for supplying breathing gas thereto; first pretensioned transition means interposed between said hollow bodies and said hollow chambers for permitting breathing gas to pass from said hollow bodies to said hollow chambers; second pretensioned transition means interposed between said hollow chambers and the interior of said helmet portion for permitting breathing gas to pass from said hollow chambers to said interior of said helmet portion; and, said first pretensioned transition means being configured to open in response to a first pressure of the breathing gas and said second pretensioned transition means being configured to open in response to a second pressure of the breathing gas, said first pressure being less than said second pressure.
Claim 2
Dependent Claim
261 words
A protective suit comprising: a helmet portion having head and neck regions adapted to enclose the entire head and neck of a wearer; a body portion adapted to enclose the body of the wearer therein, said body portion being connected to said helmet portion and comprising a plurality of hollow chambers fillable with breathing gas and adapted to surround the body of the wearer of the suit, said hollow chambers having respective hollow interiors and being interconnected to cause said interiors of said hollow chambers to communicate one with the other; a plurality of hollow bodies fillable with breathing gas and being arranged on said suit in the head, neck and upper torso regions thereof; said hollow bodies having respective hollow interiors and being interconnected so as to cause said hollow interiors to communicate one with the other; breathing gas supply means connected to said hollow bodies for supplying breathing gas thereto; first pretensioned transition means interposed between said hollow bodies and said hollow chambers for permitting breathing gas to pass from said hollow bodies to said hollow chambers; second pretensioned transition means interposed between said hollow chambers and the interior of said helmet portion for permitting breathing gas to pass from said hollow chambers to said interior of said helmet portion; and, said first pretensioned transition means being configured to open in response to a first pressure of the breathing gas and said second pretensioned transition means being configured to open in response to a second pressure of the breathing gas, said first pressure being less than said second pressure.
Claim 3
Dependent Claim
17 words
The protective suit of claim 1, comprising second breathing gas supply means connected to said helmet portion.
Claim 4
Dependent Claim
22 words
The protective helmet of claim 1, said first pretensioned transition means and said second pretensioned transition means being respective spring-loaded check valves.
Claim 5
Dependent Claim
24 words
The protective suit of claim 1, including two adjacent coextensive layers of elastic foil interconnected to define said hollow chambers and said hollow bodies.
Claim 6
Dependent Claim
15 words
The protective suit of claim 1, said helmet portion having inhalation valve means mounted thereon.
Claim 7
Dependent Claim
28 words
The protective suit of claim 5, said inhalation valve means including mouthpiece valve means mounted in said helmet portion and, overflow protection means for said mouthpiece valve means.