Wearable cooling respiratory device

Claim 1

A COOLING RESPIRATORY DEVICE OF THE CHARACTER DESCRIBED, COMPRISING IN COMBINATION: A SHOULDER LENGTH HELMET COMPRISING A CROWN ADAPTED TO BE SUPPORTED ATOP A WEARER''S HEAD AND HAVING ENCIRCLING FLEXIBLE SIDE WALLS DESCENDING LOOSELY FROM SAID CROWN TO THE WEARER''S SHOULDERS TO FORM A CLOSED AIR SPACE SURROUNDING THE HEAD AND NECK OF A WEARER, SAID WALLS BEING LIGHT TRANSMITTING AT LEAST IN AN OPTIC AREA TO AN EXTENT PERMITTING THE WEARER TO LOOK OUT, SAID WALLS ALSO BEING FORMED WITH A NORMALLY CLOSED MOUTH-SLIT HAVING ADHESIVE SURFACES ADJACENT UPPER AND LOWER AREAS OF ITS INNER SURFACE ADAPTED FOR SELECTIVE PRESSURE ATTACHMENT AROUND THE MOUTH OF A WEARER SO THAT THE LATTER MAY SPEAK AND EXHALE DIRECTLY TO THE EXTERIOR THRU THE SLIT WITHOUT THEREBY ADMITTING AIR INSIDE THE HELMET; A FLEXIBLE LOOP FORMING THE LOWER MARGIN OF THE SIDE WALLS AND ADAPTED TO CONFORMINGLY OVERLIE THE TOPS OF THE WEARER''S SHOULDERS AND CLINGINGLY EXTEND ACROSS HIS BACK AND CHEST SO AS, IN CONJUNCTION WITH THE FLEXIBLE SIDE WALLS, TO SEAL SAID AIR SPACE AND PERMIT FREE MOVEMENT OF THE WEARER''S HEAD (WITHOUT DIRECTLY ADMITTING EXTERNAL AIR) WITHIN THE SEALED ENCLOSURE THUS FORMED BY THE MOUNTED HELMET; RECEPTACLE MEANS RETAINING A HEAT-TRANSFERRING MATERIAL; AND WALLS DEFINING AN AIR INLET PASSAGE LOCATED IMMEDIATELY ADJACENT SAID HEAT-TRANSFERRING MATERIAL SO AS TO BE WARMED OR COOLED THEREBY, SAID PASSAGE BEING DISPOSED TO ADMIT EXTERNAL AIR INTO THE ENCLOSURE FORMED BY THE MOUNTED HELMET FROM WHICH ENCLOSURE IT MAY BE INHALED THRU THE NOSTRILS OF THE WEARER AND THENCE EXPELLED THRU HIS MOUTH TO THE EXTERIOR, THE LUNG ACTION OF THE WEARER THUS EFFECTING UNIDIRECTIONAL INTERMITTENT CIRCULATION OF AIR THRU THE ENCLOSURE WHICH IS FORMED ABOUT THE WEARER''S HEAD AND NECK BY THE MOUNTED HELMET.