A suction cup includes a suction cup main body, an attachment surface and a gel layer. The surface of the gel layer serves as a suction surface. In a method of manufacturing a suction cup, a cavity is formed in the inside of a common mold and a primary mold. Next, a synthetic resin material is injec
A suction cup includes a suction cup main body, an attachment surface and a gel layer. The surface of the gel layer serves as a suction surface. In a method of manufacturing a suction cup, a cavity is formed in the inside of a common mold and a primary mold. Next, a synthetic resin material is injected into the cavity, to mold the suction cup main body. Subsequently, the primary mold is opened, to obtain the suction cup main body. Next, a secondary mold is mated to the common mold, whereby a cavity is formed in the inside of the common mold and the secondary mold. Subsequently, a gel is injected into the cavity, to mold the gel layer. Next, the secondary mold is opened, to obtain a suction cup composed of the gel layer and the suction cup main body, on the common mold.
대표청구항▼
1. A suction cup comprising: a suction cup main body formed from an elastic synthetic resin material, anda gel layer formed of a gel, said gel layer including a plurality of perforations disposed in a circular pattern in a surface of said gel layer, whereinsaid suction cup main body and said gel lay
1. A suction cup comprising: a suction cup main body formed from an elastic synthetic resin material, anda gel layer formed of a gel, said gel layer including a plurality of perforations disposed in a circular pattern in a surface of said gel layer, whereinsaid suction cup main body and said gel layer are integrally provided by two-color molding,said suction cup main body has an attachment surface, an outer perimeter of said attachment surface being continuous,said gel layer is molded on and covers said attachment surface, anda surface of said gel layer serves as a suction surface. 2. The suction cup as set forth in claim 1, wherein said gel is weatherproof. 3. The suction cup as set forth in claim 1, wherein said gel layer has a uniform thickness. 4. The suction cup as set forth in claim 1, wherein said attachment surface is formed in a concave shape. 5. The suction cup as set forth in claim 1, wherein said suction surface is formed in a concave shape. 6. The suction cup as set forth in claim 1, wherein said gel layer corresponds in size and shape to said attachment surface. 7. An on-vehicle apparatus to be mounted in a vehicle, said on-vehicle apparatus comprising: a suction cup for mounting said on-vehicle apparatus in said vehicle, whereinsaid suction cup has a suction cup main body formed from an elastic synthetic resin material, and a gel layer formed of a gel, said gel layer including a plurality of perforations disposed in a circular pattern in a surface of said gel layer,said suction cup main body and said gel layer are integrally provided by two-color molding,said suction cup main body has an attachment surface, an outer perimeter of said attachment surface being continuous,said gel layer is molded on and covers said attachment surface, anda surface of said gel layer is a suction surface. 8. The on-vehicle apparatus as set forth in claim 7, wherein a holder is projectingly provided on said on-vehicle apparatus, and said suction cup is provided on said holder.
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