초록 ▼

The invention concerns a protective breathing equipment comprising a respirator provided with a regulator designed to be connected to a source of breathing mixture under pressure and a harness having at least an extensible strap whereof the ends are connected to the respirator and comprising an elem

The invention concerns a protective breathing equipment comprising a respirator provided with a regulator designed to be connected to a source of breathing mixture under pressure and a harness having at least an extensible strap whereof the ends are connected to the respirator and comprising an element temporarily inflatable with the pressurised breathing mixture to extend the strap until it reaches a sufficient dimension to enable the user to engage the harness on his head and capable of being emptied to enable the strap, to press the respirator against his face. A flexible envelope covering the head is tightly fixed to the single strap or to the upper strap of the harness and fixed to the respirator; it is transparent at least in the portion opposite the eyes when the equipment is worn.

대표청구항 ▼

The invention concerns a protective breathing equipment comprising a respirator provided with a regulator designed to be connected to a source of breathing mixture under pressure and a harness having at least an extensible strap whereof the ends are connected to the respirator and comprising an elem

The invention concerns a protective breathing equipment comprising a respirator provided with a regulator designed to be connected to a source of breathing mixture under pressure and a harness having at least an extensible strap whereof the ends are connected to the respirator and comprising an element temporarily inflatable with the pressurised breathing mixture to extend the strap until it reaches a sufficient dimension to enable the user to engage the harness on his head and capable of being emptied to enable the strap, to press the respirator against his face. A flexible envelope covering the head is tightly fixed to the single strap or to the upper strap of the harness and fixed to the respirator; it is transparent at least in the portion opposite the eyes when the equipment is worn. 0, Brower, Jr., 073/861.65; US-5422607, 19950600, McEwan, 333/020; US-5424941, 19950600, Bolt et al., 364/148; US-5438261, 19950800, Codina et al., 324/207.16; US-5438274, 19950800, Bitar et al., 324/636; US-5455769, 19951000, Panoushek et al., 364/424.07; US-5457394, 19951000, McEwan, 324/642; US-5457960, 19951000, Morishita, 091/361; US-5461368, 19951000, Comer, 340/607; US-5465094, 19951100, McEwan, 342/028; US-5469749, 19951100, Shimada et al., 073/861.47; US-5471147, 19951100, Allen et al., 324/635; US-5471162, 19951100, McEwan, 327/092; US-5479120, 19951200, McEwan, 327/091; US-5491422, 19960200, Bitar et al., 324/636; US-5510800, 19960400, McEwan, 342/387; US-5512834, 19960400, McEwan, 324/642; US-5517198, 19960500, McEwan, 342/089; US-5519342, 19960500, McEwan, 327/094; US-5519400, 19960500, McEwan, 342/028; US-5521600, 19960500, McEwan, 342/027; US-5523760, 19960600,