Mortar Projector
Author: Hansen, C. C.
Source: US Patent 1,566,325
Doc ID: 1925000
Year of Publication: 1925
Abstract:
This invention relates to mortar projecting devices and more particularly that type of device which utilizes for its motive force a fluid, such as compressed air.
One object of the invention is to project the mortar with as little
waste mortar as possible and with efficient and economical air consumption.