Patent ID: 7386971
Filing Date: 2008-06-17
Classification: B65B,B65D,C11D

Abstract:
1. A process for making a water-soluble pouch which comprises a plurality of compartments in generally superposed or superposable relationship, each comprising a detergent active or auxiliary component, the process comprising the steps of: a) forming and partially filling, with a first detergent active or auxiliary component comprising a powder or densified powder, a moving web of open pouches releasably mounted on a moving endless surface having a continuous horizontal rectilinear motion with a constant speed; wherein the moving web of open pouches at least partially comprises a water-soluble film; b) closing and sealing said moving web with a first web closure means moving in synchronism therewith whereby the first web closure means is introduced into the partially filled pouches so as to form a plurality of closed and superposed open compartments; c) filling, with a second detergent active or auxiliary component comprising a liquid, gel, paste or wax, closing and sealing the superposed open compartments by means of a second web closure means moving in synchronism with said moving web; and d) separating said web into a plurality of water-soluble multi-compartment pouches.