Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Two or more non-extruded coatings or impregnations
Reexamination Certificate
1998-04-07
2001-12-25
Thibodeau, Paul (Department: 1773)
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Two or more non-extruded coatings or impregnations
C442S136000, C442S172000, C442S180000, C442S181000, C442S247000, C442S252000, C442S255000, C442S268000, C428S328000, C428S340000, C428S920000, C428S921000
Reexamination Certificate
active
06333280
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a flame-retardant or nonflammable decorative sheet used in various applications mainly as an interior material.
BACKGROUND ART
Many conventional flame-retardant or nonflammable decorative sheets are made of inorganic materials and have various problems in processability, impact resistance, health safety due to the presence of asbestos, etc. However, decorative sheets made of organic resins cause severe heat generation and fuming when burned; are low in shape retainability after combustibility tests (the surface combustibility test and the material combustibility test both according to Notification No. 1828 of the Ministry of Construction; hereinafter referred to also as noncombustibility tests); and have been unreliable as a flame-retardant or nonflammable decorative sheet.
Under the above situation, the present invention provides a flame-retardant or nonflammable decorative sheet excellent in flame retardancy or nonflammability and low in dimensional change, warpage deformation, etc.
DISCLOSURE OF THE INVENTION
The present invention relates to:
a flame-retardant or nonflammable decorative sheet which is a one-piece laminate of the following materials:
one or more layers of a sheet material as a core layer, obtained by impregnating a base sheet material made of an inorganic fiber, with a composition comprising a phenolic resin and/or a melamine resin and aluminum hydroxide and/or magnesium hydroxide, the proportions of the former and the latter in the composition being 4-15% by weight and 96-85% by weight, respectively, and
a sheet material as a decorative layer, placed on at least one side of the sheet material as the core layer. The invention further relates to:
a flame-retardant or nonflammable decorative sheet which is a one piece-laminate of the following materials:
two or more layers of a sheet material as a core layer, obtained by impregnating a base sheet material made of an inorganic fiber, with a composition comprising a phenolic resin and/or a melamine resin and aluminum hydroxide and/or magnesium hydroxide, the proportions of the former and the latter in the composition being 4-15% by weight and 96-85% by weight, respectively,
a sheet material as a reinforcing layer, obtained by impregnating a base sheet material made of an inorganic fiber, with a thermosetting resin, the sheet material being interposed between the two or more layers of the sheet material as the core layer, and
a sheet material as a decorative layer, placed on at least one side of the sheet material as the core layer.
REFERENCES:
patent: 4170508 (1979-10-01), Wortmann et al.
patent: 4371579 (1983-02-01), McCaskey et al.
patent: 5413828 (1995-05-01), De Kayser
patent: 5460864 (1995-10-01), Heitkamp
patent: 5486408 (1996-01-01), Sentendrey
patent: 5500480 (1996-03-01), Brown et al.
patent: 5552185 (1996-09-01), De Keyser
patent: 5583172 (1996-12-01), Imahashi et al.
patent: 5669799 (1997-09-01), Moseneder et al.
patent: 5882467 (1999-03-01), Sierawski et al.
patent: 53-121894 (1978-10-01), None
patent: 53-121894A (1978-10-01), None
patent: 56-9423B2 (1981-03-01), None
patent: 60-26994A (1985-02-01), None
patent: 64-56540 (1989-03-01), None
patent: 6-24822B2 (1994-04-01), None
patent: 7-115438B2 (1995-12-01), None
Hashimoto Osamu
Hayashida Tatsuya
Tanaka Goro
Ahmed Sheeba
Smith , Gambrell & Russell, LLP
Sumitomo Bakelite Company Ltd.
Thibodeau Paul
LandOfFree
Flame-retardant or incombustible decorative laminated sheet does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Flame-retardant or incombustible decorative laminated sheet, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flame-retardant or incombustible decorative laminated sheet will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2561534