Insulated pipe
AssigneeUponor Innovation AB
InventorPatrik ROSEEN
Life of this patent
Estimating the term…
Abstract
An insulated pipe is presented having one or more inner pipes having a plastic, a flexible vacuum insulation panel surrounding the one or more inner pipes, and an outer jacket. In one embodiment the one or more inner pipes may have a cross-linked or non-cross-linked polyolefine, such as polyethylene (PE), including PE-RT (Polyethylene of Raised Temperature resistance), polypropylene, preferable PPR (about 5% PE in the molecular chain of PP random uniform polymer (random copolymer), polybutylene (PB), cross-linked polyethylene (PEX), and mixtures thereof, in particular cross-linked polyethylene (PEX).
Claims15
An insulated pipe comprising:
- a first inner pipe;
- a second inner pipe, wherein at least one of the first inner pipe and the second inner pipe comprises a cross-linked or non-cross-linked polyolefine, selected from the group consisting of polyethylene of raised temperature resistance (PE-RT), polypropylene (PP), polypropylene random copolymer (PPR) with about 5% PE in a molecular chain of PP random uniform polymer (random copolymer), polybutylene (PB), cross-linked polyethylene (PEX), and mixtures thereof;
- a flexible vacuum insulation panel surrounding at least one of the first inner pipe and the second inner pipe;
- and
- an outer jacket,
- wherein the first inner pipe and the second inner pipe are arranged in a non-concentric manner with respect to the outer jacket.
Dependencies are inferred from the claim text.