B - Operations – Transporting – 67 – C
Patent
B - Operations, Transporting
67
C
B67C 3/00 (2006.01) B65B 55/02 (2006.01)
Patent
CA 2358549
The invention relates to a flowback method for a product contained in the distribution circuit of a filling machine. The distribution circuit (22,24,26, 28,30) creates an upstream/downstream link between a storage tank for said product and a filling tube (22) that is placed opposite the opening of a receptacle (12) that is to be filled. The invention is characterized in that the inventive method includes a step whereby a closed area around the filling tube (22) is defined by a sealed housing (38). The invention is further characterized by a step whereby a circulating liquid is injected into the above-mentioned area under pressure. The liquid passes through an auxiliary port (70), whereupon the product contained in the distribution method (22,24,26, 28,30) flows back in the direction of the storage tank.
L'invention propose notamment un procédé de refoulement du produit contenu dans un circuit de distribution d'une machine de remplissage, le circuit de distribution (22, 24, 26, 28, 30) reliant d'amont en aval une cuve de stockage du produit jusqu'à un bec de remplissage (22) qui est destiné à être amené en regard de l'ouverture d'un récipient (12) à remplir, caractérisé en ce que le procédé comporte une étape consistant à délimiter autour du bec (22), au moyen d'un carter étanche (38), une enceinte fermée, et une étape au cours de laquelle un fluide de refoulement est injecté sous pression dans l'enceinte, au travers d'un port auxiliaire (70), pour refouler le produit contenu dans le circuit de distribution (22, 24, 26, 28, 30) en direction de la cuve.
Adriansens Eric
Meunier Eric
Saint-Martin Rodolphe
Goudreau Gage Dubuc
Sidel
LandOfFree
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