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(19) Japanese Patent Office (JP) |
(12) Publication of Unexamined Patent Application (A) |
(11) Disclosure Number: Hei 08-175189
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(51) Int. Cl.5
B60 11/00 B32B 17/10 B32B 25/20 |
Identification Code C |
Internal Agency Classification No.
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(43) Date of Disclosure: 1996.07.09
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Examination Request Status: Not yet requested. No. of Claims: 4 (5 pages total) |
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(21) Filing Number: Hei 06-337800 (22) Date of Application: 1994.12.27 |
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(71) Assignee: 390023009 Kyowa Leather Cloth Co., Ltd. 1876 Higashi-machi Hamamatsu-shi, Shizuoka-ken (72) Inventor: Kenji SHIMADA c/o Kyowa Leather Cloth Co., Ltd. 738-2 Higashi-machi Hamamatsu-shi, Shizuoka-ken (72) Inventor: Kazuo MATSUYAMA c/o Kyowa Leather Cloth Co., Ltd. 738-2 Higashi-machi Hamamatsu-shi, Shizuoka-ken (72) Inventor: Kenichi MATSUI c/o Kyowa Leather Cloth Co., Ltd. 738-2 Higashi-machi Hamamatsu-shi, Shizuoka-ken (74) Agent: Rikichi ICHIKAWA, Attorney (and two additional persons) |
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Specifications
(54) [Title of the Invention] Automotive Window Protective Sheet
(57) Summary
[Goal] The goal of this invention is to provide a protective sheet for automotive windows. This sheet prevents ice sticking to the window surface during the winter season. This sheet insulates from direct heating by sunlight during the summer season.
[Content of the Invention] This invention pertains to a layered sheet containing a core material. One surface layer of this layered sheet contains either aluminum pigment, or a thermal radiation reflecting substance, within a soft plastic film. A self-adhesive silicone rubber layer is provided on the opposite side of the sheet.
[Scope of the Patent Claims]
[Claim 1] A protective sheet for automotive windows; said protective sheet being characterized by as being a layered sheet containing a core material; where one surface layer of this layered sheet contains aluminum pigment, or a thermal radiation reflecting substance, within a soft plastic film; and where a self-adhesive silicone rubber layer is provided on the opposite side of the core material.
[Claim 2] A protective sheet for automotive windows per Claim 1, characterized in that the core material is a woven cloth, braided mesh, or a nonwoven; said fibers are one type or a mixture of fiber types comprising at least on of the following: glass, ceramic, asbestos, polyester, vinylon, nylon, acryl, rayon, cotton, etc.; and said plastic film is made from a resin comprising at least one of the following: polyethylene terphthalate, polyester, nylon, polymethacrylic acid, polyolefin (such as polyethylene, polystyrene, etc.), or a polyvinyl compound (such as polyvinyl chloride, polyvinylidene chloride, etc.).
[Claim 3] A protective sheet for automotive windows per Claim 1, characterized in that said soft plastic comprising at least one of the following: urethane-type resin, polymethacrylic acid, vinyl chloride-type resin, cellulose derivative, alkyd resin, styrol-type resin, melamine resin, polyolefin-type resin, etc.; and said soft plastic has good water and climate resistance.
[Claim 4] A protective sheet for automotive windows per Claim 1, said protective sheet being characterized in that the self-adhesive silicone rubber has an adhesive strength of 5 - 600 grams
per 25 mm2.
