Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
MINE DOOR
A reinforced lightweight mine door for installation in a mine passageway. The mine door includes a generally rectangular sheet metal door panel having four sides and four corners, and a reinforcing structure projecting from a face of the door panel. The reinforcing structure has a central section and a plurality of channel sections extending from the central section toward respective sides or corners of the door panel. A mine door including at least one hinge arrangement having unique reversibility features is also disclosed. m9 LA .-1 'ID U-n
MINE DOOR
A reinforced lightweight mine door for installation in a mine passageway. The mine door includes a generally rectangular sheet metal door panel having four sides and four corners, and a reinforcing structure projecting from a face of the door panel. The reinforcing structure has a central section and a plurality of channel sections extending from the central section toward respective sides or corners of the door panel. A mine door including at least one hinge arrangement having unique reversibility features is also disclosed. m9 LA .-1 'ID U-n
MINE DOOR
KENNEDY WILLIAM R (Autor:in) / KENNEDY JOHN M (Autor:in)
04.05.2017
Patent
Elektronische Ressource
Englisch
IPC:
E21F
Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels
,
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
/
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES