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Title: Seamless ceramic fiber composite articles and method and apparatus for their production

Abstract: The invention relates to a ceramic fiber felt or mat having an area comprising a high temperature ceramic fiber and another portion of lower temperature ceramic fiber. The two portions being joined seamlessly by an intermingling and intimate relationship of the two fiber types during the formation process. The invention further provides apparatus for formation of such ceramic fiber composites and further provides for forming such composite ceramic fiber members into modules.


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Inventors: Teneyck, John D. (Lewiston, NY)

Application Number: 06/348482
Filing Date: 1982-02-12
Publication_date: 1984-03-06
Assignee: KENNECOTT CORP (US)

Primary Class(es): 428/212 428/192, 52/270
Other Classes: B32B18/00; C04B30/02; D21F11/04; C04B30/00; D21F11/00; B32B5/22; E04B1/00
US Patent Ref:
1345377July, 1920LinbargerRefractory article and method of making the same
1477288December, 1923ShawApparatus for varying the thickness of fiber layers
1532084March, 1925ShawBoard composed of interlaced fibers
1924573August, 1933SchurFibrous web for artificial leathers or the like
2098733November, 1937SalePlyboard
2348829May, 1944MacArthur et al.Manufacture of heat insulation structures
2765247October, 1956GrahamNon-woven sheet material
3220915November, 1965ShannonStructures comprising vitrified and devitrified mineral fibers
3493463February, 1970BakerPROCESS AND APPARATUS FOR FORMING A HIGH STRENGTH BAND ALONG THE LENGTH OF A PAPER WEB
3598696August, 1971Beck
3819468June, 1974Sauder et al.428/99HIGH TEMPERATURE INSULATION MODULE
3988183October, 1976SennVariation of binder content in the core layer
3996325December, 1976MegrawPreparation of a three layer, fire retardant particleboard
4018646April, 1977Ruffo et al.428/298Nonwoven fabric
4032394June, 1977BackMethod of making wet-pressed fiberboard of high resistance to bending
4123886November, 1978Byrd, Jr.428/285Refractory fiber blanket module with increased insulation
4152494May, 1979WangFlame resistant, heat insulative foamed polyphenylenes
4201247May, 1980Shannon138/149Fibrous product and method and apparatus for producing same
4203255May, 1980Nasland et al.Fire-resistant composite wood structure particularly adapted for use in fire doors
4239591December, 1980BlakeManufacture of an non-laminated paper web having regions of increased thickness
4250220February, 1981Schlatter et al.Composite panel with two outer layers and a central core
4269887May, 1981Sonobe et al.428/299Ceramic fiber felt

Other Refs:
Primary Examiner: Kendell, Lorraine T.
Assistant Examiner:
Attorney: Leipold, Paul A.
Ronyak D. M.
Claims: