Mine ventilation

Details Mine ventilation Mine ventilation

2007-06-19

2007-06-19

Boles, Derek S. (Department: 3749)

Ventilation

Mine

With partition means

C454S168000, C405S132000, C405S150100

Reexamination Certificate

active

10266182

ABSTRACT:
A mine air crossing includes opposite side walls and a deck extending from side wall to side wall. Each side wall includes a plurality of sections assembled side-by-side and interconnected by quick-connections. Similarly, each deck may include deck sections assembled side-by-side and interconnected by quick-connections.

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Kennedy Interlocking Overcasts brochure, Jack Kennedy Metal Products & Buildings, Inc., 2000.

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