ALIGNING ELEMENT FOR PNEUMATIC FORMWORK DELIVERY TO PNEUMATIC PIPE HANDLER Russian patent published in 2015 - IPC E02F5/10 

FIELD: construction.

SUBSTANCE: aligning element for pneumatic formwork delivery to a pneumatic pipe handler comprises a body with a cavity in the form of a channel with expanded horizontal and narrowing inclined sections for pneumatic formwork delivery, a slide valve in the form of a toroid with an elastic filler installed as capable of displacement in the horizontal section of the channel. Inner walls of the toroid are made as helically twisted relative to the central axis. The toroid filler in the slide valve is a cylindrical insert with a central hole along the longitudinal axis with a diameter exceeding the diameter of helically twisted inner walls of the toroid. Entire surface of the insert is coated with anti-friction lubricant. The insert is made as double-layer from elastically compressed outer layer and stiff tubular inner layer, which forms the inner non-deformed central hole of the insert.

EFFECT: increased reliability of device operation.

1 dwg