DEVICE TO DELIVER CARGOES TO PNEUMATICALLY SUPPORTED STRUCTURE Russian patent published in 2014 - IPC E04B1/346 

FIELD: construction.

SUBSTANCE: device to deliver cargoes to pneumatically supported structure comprises a cargo hatch in the form of flexible tube, installed tightly in the form of torus, having an elastic filler. Elastic torus-shaped insert is used as elastic torus filler, the surface of which is covered with antifriction lubricant, and the diameter of inner hole of insert is equal to the diameter of the folded inner walls of torus. Torus is secured with the possibility of its unscrewing during cargo release and hermetization of aperture in case of return to the initial position. In case of release of bulky cargoes by continuous flow, the device is provided with rigid funnel.

EFFECT: increased reliability of device.

5 dwg