MULTI-COMPONENT CARTRIDGE Russian patent published in 2010 - IPC B65D81/32 

FIELD: transport, package.

SUBSTANCE: invention relates to injector guns to inject glues or sealing compounds the components of which are kept separately. Method of producing multi-component cartridge comprising cylinder with isolated chamber to keep components separately, consists in that film is preliminary prepared and inserted into lengthwise cavity of the first section of cartridge cylinder mold core. Then second part of mould core is inserted into aforesaid first cavity. Note here that film inner surface is located between core both parts and film outer surface is located on mould core outer side. Core with film is inserted into mould cavity so that film outer surface is located inside mould cavity to mould multi-component cartridge cylinder. Note also that, on filling mould cavity, film outer surface is covered and entirely jointed to the cylinder. Now, the cylinder if withdrawn from the mould, both parts of mould core are taken out from cylinder.

EFFECT: cartridge is made to prevent water steam diffusion between components chambers.

10 cl, 5 dwg