The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 27, 2005

Filed:

Jun. 20, 2003
Applicants:

Jessica L. Akers, El Paso, TX (US);

Harry F. Gladfelter, Kimberton, PA (US);

Janice R. Maiden, Flourtown, PA (US);

Danny E. Winters, Downingtown, PA (US);

Linwood R. Ludy, Pottstown, PA (US);

Inventors:

Jessica L. Akers, El Paso, TX (US);

Harry F. Gladfelter, Kimberton, PA (US);

Janice R. Maiden, Flourtown, PA (US);

Danny E. Winters, Downingtown, PA (US);

Linwood R. Ludy, Pottstown, PA (US);

Assignee:

Federal-Mogul World Wide, Inc., Southfield, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04B001/22 ;
U.S. Cl.
CPC ...
Abstract

Multilayer sleeves for insulating or protecting elongated substrates are disclosed. The sleeves are continuously knitted in different sections integrally joined end to end, the sections being formed of different filamentary members chosen for desired characteristics. The sleeves are formed into the multilayer configuration by reverse folding the sleeves inwardly to place one section coaxially within another. Sleeve ends may be finished with welts to prevent raveling and serve as a clinch on the elongated substrates. Rib knits are used to form insulating air pockets lengthwise along the sleeves to augment the insulating effectiveness.


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