Abstract: A releasable garment support device is provided for pants, trousers and other garments whereby the waist of the garment can be readily adjusted to fit a wearer who rapidly increases or decreases his waist size. The device comprises a thin, elongated member which is attached at each end inside the waistband to form a chord along an arc of the waist circumference to reduce the effective size of the waist opening.

Abstract: A dual mode compressed air purifier is presented having a cart for transportation purposes and including a chemical medium purifier with a regenerable filter cartridge. A first purification mode removes water, carbon dioxide, hydrocarbons and other impurities from compressed air which is then available for supplied air respirators of workers in hazardous environments. In the second or regeneration mode compressed air is heated and then delivered to the chemical medium purifier whereby impurities removed by the medium during purification are collected and expelled by the hot air and are then exhausted from the dual mode air purifier. The cooling cycle of the regeneration mode returns the chemical medium purifier to an ambient temperature after which purifying can begin again.

Abstract: A dual mode compressed air purifier is presented having a cart for transportation purposes and including a chemical medium purifier with a regenerable filter cartridge. A first purification mode removes water, carbon dioxide, hydrocarbons and other impurities from compressed air which is then available for supplied air respirators of workers in hazardous environments. In the second or regeneration mode compressed air is heated and then delivered to the chemical medium purifier whereby impurities removed by the medium during purification are collected and expelled by the hot air and are then exhausted from the dual mode air purifier. The cooling cycle of the regeneration mode returns the chemical medium purifier to an ambient temperature after which purifying can begin again.

Abstract: An air purification system monitor having an encapsulating cartridge for housing a humidistat to monitor the limits of humidity within a highly pressurized system having adjustable switch points from 0 to 70% relative humidity in a pressure range of from 0 to 5,000 p.s.i.g. with said encapsulating cartridge having electrical contacts associated with the humidistat to transmit a signal to a remote location.