Beds – Bedclothing – Multilayer
Reexamination Certificate
1999-12-29
2001-10-16
Browne, Lynne H. (Department: 3628)
Beds
Bedclothing
Multilayer
C005S950000, C005S482000
Reexamination Certificate
active
06301730
ABSTRACT:
TECHNICAL FIELD
This invention relates generally to comforters, and more specifically concerns a comforter having a high loft (puffy) structure.
BACKGROUND OF THE INVENTION
One of the important characteristics of a comforter, both for appearance and for comfort, is what is known as “loft”. Loft refers to the thickness of the comforter, i.e. the height of the comforter, from the lower layer to the upper layer thereof. Typically, loft is increased by adding additional down to the comforter, giving it a desirable, puffy appearance. The quality and type of down are also factors in loft.
Typical comforter construction includes particular stitching patterns which join the upper and lower cover layers of the comforter, creating channels to hinder migration of the down. This is typically an important aspect of comforter construction. The stitching pattern, however, can decrease the appearance of loft, as the areas between the lines of stitching will appear as rolls or humps with the loft reaching a peak at a midpoint between adjacent stitching lines, instead of a high loft across the entire distance between the lines. A puffy or high loft appearance is thus difficult to obtain with conventional stitching or channeling patterns.
Hence, it is desirable for a comforter to have a puffy or high loft appearance, while also having stitching patterns which effectively prevent migration of the down.
SUMMARY OF THE INVENTION
Accordingly, the present invention is a high loft comforter, which comprises: a lower tick, i.e. cover, portion; and an upper tick portion comprising a plurality of fabric sections arranged and sewn together in a selected pattern, the upper tick portion being larger in surface area than the lower tick portion and attached to the lower tick portion around the periphery thereof, and wherein each section of the upper tick portion is attached to the lower tick portion in a manner as to form individual volumes therebetween, wherein each section has pleats at selected locations on the periphery thereof, so that the loft of the comforter when filled is approximately the same across substantially the entirety of each loft volume.
REFERENCES:
patent: 4426945 (1984-01-01), A-Yan
patent: 5987669 (1999-11-01), Leggett et al.
Chan Wing Yee W.
Delfs Juliette M.
Browne Lynne H.
Conley Frederick
Jensen & Puntingam, P.S.
Pacific Coast Feather Company
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