EXTRUSION GUN APPARATUS AND CARTRIDGE DEVICES THEREFOR

摘要

1464423 Extrusion gun cartridges ALFRED FISCHBACH KG KUNSTSTOFF-SPRITZGUSSWERK 3 April 1974 [6 April 1973] 14734/74 Heading F1R An extrusion gun cartridge comprising a cylindrical container 6, an air pressure actuated piston 9 and a nozzle 8 having an end flange 8a, has grooves 12 formed on the peripheral surface 10 and end surface 11 of the flange whereby air leaking between the container 6 and housing 1 of the gun may discharge to atmosphere through the nozzle opening 13 of the gun.