B - Operations – Transporting – 67 – D
Patent
B - Operations, Transporting
67
D
B67D 7/06 (2010.01) F16L 11/04 (2006.01) F16L 11/12 (2006.01) F16L 11/20 (2006.01) B67D 1/00 (2006.01)
Patent
CA 2253060
This invention relates to a new and economically viable method for making a THERMOPLASTIC Multilayer Tubing which comprises of at least three layers in which the inner layer P.J.1 is a BARRIER layer which does not allow the permeation and diffusion of vapours, gases, moisture, aroma and flavors. The P.J.1 layer which is totally inert, odourless, non-soluble in water, alcohols, beverages, syrups and alike is the contact layer. The P.J.I is a copolyester with a general formula (C10H8O4)n without any hazardous ingredients and has a melting point range about 160°C and density between 0.9 and 1.0 g/mL. The outer surface layer comprises of polyethylene, P.E., with general formula (C2H4)n having melting point range about 180°C. It is bonded to the non permeable P.J.1 layer by P.J.2 layer which is chemically stable plastic material under processing condition and is composed of having a general formula C8H16O and density about 0.9 and melting point about 55°C. The applicants have developed processing conditions for P.J.1 which meet the attributes of desired tubing and solves the long standing problem of vapour and flavour transmission and adsorption in beverage carrying and dispensing. The film form of P.J.1 can finds its application in the food packaging industry to prevent loss of moisture, flavour and taste. The realization is that P.J.1 is environmentally friendly, and it is envisioned to have numerous potential applications. These applications can draw upon the P.J.1's properties at competitive cost.
Jackson Terry L.
Pandey Raj N.
Pandey Rupesh N.
Jackson Terry L.
Pandey Raj N.
Pandey Rupesh N.
Swabey Ogilvy Renault
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