Mine airlock system and method
AssigneeKrist Door Service, Inc.
InventorJeffrey L. Justice
Life of this patent
Estimating the term…
Abstract
The present disclosure is directed to systems and methods for facilitating the control of air through a mine passageway. In one example, there is provided a mine airlock. The mine airlock comprises a plurality of airlock doors. At least one of the airlock doors includes a frame including at least one door jamb and a lintel, a face leaf hingedly secured to the lintel, the face leaf having an upper section removably secured to a lower section; and a side leaf secured to the at least one door jamb. The face leaf forms a substantially airtight seal with the lintel and the side leaf in a closed position.
Claims20
A mine airlock comprising:
- a plurality of airlock doors, at least one of the airlock doors including:
- a frame including at least one door jamb and a lintel;
- a face leaf hingedly secured to the lintel, the face leaf having an upper section removably secured to a lower section;
- and
- a side leaf secured to the at least one door jamb;
- the face leaf forming a substantially airtight seal with the lintel and the side leaf in a closed position.
An airlock door for a mine, the airlock door comprising:
- a frame including at least one door jamb configured to be secured to one of an upper and a lower wall of a mine passageway and a lintel;
- a face leaf hingedly secured to the lintel, the face leaf having an upper section removably secured to a lower section;
- and
- a side leaf secured to the at least one door jamb;
- the face leaf forming a substantially airtight seal with the lintel and the side leaf in a closed position.
Dependencies are inferred from the claim text.