Ventilation duct
OwnerIan Sellwoodinventor
Life of this patent
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Abstract
A seamless ventilation duct (1) is disclosed. The duct (1) includes integrally formed hinge means (6) that enables the duct (1) to be collapsed for transportation and/or storage prior to use.
Claims21
1-18. (canceled)
A seamless ventilation duct comprising a plurality of elongate panels and integrally formed hinge means, each panel being joined to an adjacent panel by said integrally formed hinge means to enable relative movement between the panels so that the duct is selectively collapsible for at least one of transportation and storage.
A method of manufacturing a seamless ventilation duct including a plurality of elongate panels and integrally formed hinge means, with each panel being joined to an adjacent panel by said integrally formed hinge means to enable relative movement between the panels, the method comprising the steps of:
- at least one of extruding and molding the duct;
- allowing the duct to cool;
- and
- folding the duct about the hinge means to collapse the duct for at least one of transportation and storage or to erect the duct for installation.
A seamless ventilation duct comprising:
- a plurality of elongate panels;
- and
- hinge means integrally formed between adjacent panels to enable relative movement of adjacent panels to one another, whereby the duct is collapsible for at least one of transportation and storage.
Dependencies are inferred from the claim text.