Title: Methods of insulating purlins

Abstract: In metal buildings, a plurality of purlins project down into the building and, in effect, serve as heat exchange fins, which conduct heat into the building in warm climates, and heat out of the building in cold climates. In order to counteract this phenomenon, each purlin is covered with a separate blanket of insulating material, which is held in place with a flexible sleeve that is laminated to the blanket. Two additional flexible sliding sleeves are used to complete installation at each end of the purlin.

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Inventors: Stilts, Kenneth M. (Nashville, TN, US)

Application Number: 866350
Filing Date: 1978-01-03
Publication_date: 1979-05-01
Assignee:
Primary Class(es): 52/746.11 52/737.5
Other Classes:
US Patent Ref:

3590547	Jul, 1971	Molyneux	52/728.
3908327	Sep, 1975	Quigg	52/727.

Other Refs: 64897318842 OF126430213588531416316

Aug, 1964	BE
, 1895	GB
Feb, 1972	GB
Jul, 1974	GB
Dec, 1975	GB

Primary Examiner: Faw, Jr., Price C.
Assistant Examiner: Friedman, Carl D.
Attorney: Sherman & Shalloway