F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 59/06 (2006.01) B29C 53/36 (2006.01) B29D 23/00 (2006.01) F16L 59/065 (2006.01) B29C 53/40 (2006.01) B29C 65/02 (2006.01)
Patent
CA 2408825
The present invention relates to a tubular thermoinsulating device (10; 20; 30), comprising an evacuated envelope made of barrier sheets inside which an inorganic or polymeric, discontinuous or porous filling material (13; 23) is contained. Said envelope comprises an internal tubular element (11, 21; 31) and an external tubular element (12; 22; 32) of higher diameter, which are coaxially arranged one inside the other and are reciprocally sealed at their circular edges. The circular edges of said external tubular element (12; 22; 32) are adapted to the circular edges of said internal tubular element (11; 21; 31) by means of two plies (17, 17'; 25, 25'; 35, 35'). The present invention also relates to some processes for manufacturing said thermoinsulating device.
L'invention concerne un dispositif tubulaire thermo-isolant (10; 20; 30) qui comprend une enveloppe vide faite de feuilles barrière à l'intérieur desquelles on a mis de la matière de remplissage polymère discontinue ou poreuse (13; 23). Cette enveloppe comprend un élément tubulaire interne (11, 21; 31) et un élément tubulaire externe (12; 22; 32) de diamètre supérieur, montés coaxiaux l'un à l'intérieur de l'autre et soudés entre eux par leurs bords circulaires. Les bords circulaires dudit élément tubulaire externe (12; 22; 32) sont appariés aux bords circulaires de l'élément tubulaire interne (11, 21; 31) au moyen de deux plis (17, 17'; 25, 25'; 35, 35'). La présente invention concerne aussi certains processus relatifs à la fabrication dudit dispositif thermo-isolant.
Della Rocca Marco
Di Gregorio Pierattilio
Pulsoni Manuel
Gowling Lafleur Henderson Llp
Saes Getters S.p.a.
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