초록 ▼

An enclosure for periodic movement in an underground mine to provide a place for the safety of miners. This enclosure has a frame with an envelope unit attached thereto to define an interior volume for habitating by the miners upon notification of eminent dangerous conditions or immediately after da

An enclosure for periodic movement in an underground mine to provide a place for the safety of miners. This enclosure has a frame with an envelope unit attached thereto to define an interior volume for habitating by the miners upon notification of eminent dangerous conditions or immediately after dangerous conditions exist. The evelope has at least one sealable doorway, and contains provisions to sustain habitable conditions for a selected time to permit subsequent escape or rescue. The enclosure is to be located about ninety to one hundred twenty-five yards from areas being worked by miners so as to be easily reached and entered. The size of the help unit enclosure is selected to hold a selected number of miners and the supplies for the selected survival interval. The envelope, in its preferred form, further contains circulating fans, communication equipment and other equipment for the comfort of the miners. External lighting is provided to direct the miners, as well as rescuers, to the enclosure.

대표청구항 ▼

An enclosure for use in underground mines to provide protection to miners in advance of, or after initiation of, dangerous conditions within said mines, which comprises: a frame; a substantially air tight envelope, for safely housing said miners, attached to said frame, said enclosure adapted to exc

An enclosure for use in underground mines to provide protection to miners in advance of, or after initiation of, dangerous conditions within said mines, which comprises: a frame; a substantially air tight envelope, for safely housing said miners, attached to said frame, said enclosure adapted to exclude environmental conditions related to said dangerous conditions, said envelope provided with at least one closeable opening for ingress and egress by said miners and a door to selectively cover said opening; means attached to a lower portion of said frame adapted for periodic movement of said enclosure whereby said enclosure is positioned within reach by said miners when said dangerous conditions are eminent or occur; and means contained within said envelope to sustain liveable conditions for said miners for a selected time period.