Protective suit with insulated head piece
AssigneeViking-Askim A/S
InventorsStig G. E. Insulan, Jorn Stubdal
Life of this patent
Estimating the term…
Abstract
A protective suit--for diving, gas protection and rescue work--has a body of flexible elastically yieldable material and a head gear in form of a flexible elastically yieldable hood having an inner and an outer wall which defines therebetween a clearance for a layer of thermally insulating air or gas.
Claims21
A dry protective water and air/gas-impervious suit adapted to cover the entire body of a wearer except the hands and face,
- arranged and constructed to be donned and taken off by the wearer,
- comprising
- a hood having an opening for the wearer's face;
- said hood including in overlapping relationship a water and air/gas-impervious outer layer and
- an inner layer,
- said layers being sealed to one another at said face opening to define with one another an inflatable clearance surrounding the head of the wearer;
- a body part covering the body of the wearer below the neck;
- having an upper portion to sealingly surround the neck of the wearer and being sealingly connected to said hood;
- said body part being inflatable to provide heat insulation between said body part and the body of the wearer;
- means for communicating said inflatable clearance of the hood with the interior of said body part to provide insulation in form of a thermally insulating layer which surrounds the entire body of the wearer except for the hands and face;
- a sealable opening in said suit to enable the wearer to don and take off said suit;
- and
- wearer-operated sealing means for sealingly closing said opening in said body part.
A unitary dry protective water and air/gas impervious suit adapted to cover the entire body of a wearer except the hands and the face, comprising
- a body part having an upper portion sealingly surrounding the neck of a wearer and covering the body below the neck;
- said body part being inflatable to provide heat insulation between the body part of the suit and the body of the wearer;
- a hood having an opening for the wearer's face and being sealingly connected to said upper portion;
- said hood including in overlapping relationship a water and air/gas impervious outer layer;
- and
- an inner layer,
- said layers being sealed to one another at said face opening to define with one another an inflatable clearance surrounding the head of the wearer;
- and
- means for communicating said inflatable clearance with the interior of said body part to provide heat insulation in the form of a thermally insulating layer which surrounds the entire body of the wearer except for the face and hands;
- said suit further comprising a wearer-operated gas and water-proof zipper.
A dry protective water and air-gas impervious suit adapted to cover the entire body of the wearer except the hands and face,
- arranged and constructed to be donned and taken off by the wearer
- comprising an upper section covering the upper part of the wearer, extending downwardly below the waist of the wearer and including a hood portion having an opening for the wearer's face;
- said hood portion including in overlapping relationship a water and air-gas impervious outer layer and an inner layer
- said layers being sealed to one another at said face opening to define with one another an inflatable clearance surrounding the head of the wearer;
- a lower section covering the body of the wearer from the waist downward;
- securing means for securing sealingly said upper portion to said lower portion;
- said portions being inflatable to provide heat insulation between said portions and the body of the wearer;
- and
- means for communicating said inflatable clearance of the hood with the interior of said portions to provide insulation in form of a thermally insulating layer which surrounds the entire body of the wearer except for the hands and face.
Dependencies are inferred from the claim text.