Polyamide- and polyolefin-based ducts for transporting...

Details Polyamide- and polyolefin-based ducts for transporting... Polyamide- and polyolefin-based ducts for transporting...

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) B29C 47/06 (2006.01) B32B 7/12 (2006.01) B32B 27/32 (2006.01) B32B 27/34 (2006.01) F16L 9/12 (2006.01) F16L 11/04 (2006.01) F16L 58/04 (2006.01) F16L 58/10 (2006.01) F17D 1/04 (2006.01)

Patent

CA 2204281

Ducts for transporting and/or distributing fuel gases and liquefied gases, including a polyethylene layer and an inner and/or outer polyamide layer. Such ducts may advantageously be joined together by adhered sleeves to form medium- or low-pressure gas transport or distribution systems. Alternatively, they may be fitted within existing metal ducts. Said ducts may be produced by coextrusion.

La présente invention concerne des canalisations pour le transport et/ou la distribution de gaz combustibles, de gaz liquéfiés comprenant une couche de polyéthylène et une couche intérieure et/ou extérieure de polyamide. Ces canalisations peuvent être avantageusement raccordées par des manchons collés et constituer ainsi les réseaux de distribution ou de transport de gaz de moyenne et basse pressions ou bien elles peuvent être installées à l'intérieur de canalisations métalliques déjà existantes. Ces canalisations peuvent être fabriquées par coextrusion.

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