Fiber reinforced plastic and an indication method thereof

Stock material or miscellaneous articles – Display in frame or transparent casing; or diorama including...

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428 77, 428 78, 428 79, 4289033, 180 891, 180 84, 280727, B29C 4134, B29C 6714, B32B 3300, C09C 300

Patent

active

055629547

ABSTRACT:
A fiber reinforced plastic (FRP) product having a label that includes information pertaining to the type of material of the product for recycling purposes. The label is covered on its back surface side with a transparent surface mat. The product is formed by coating a surface of a mold with a gel coating to become an outer surface through a mold release agent, laying a glass mat of unsaturated polyester resin-impregnated reinforced fiber on the gel coating, further laying a glass mat of the same material and applying pressure of a roller or a brush on the gel coating, laying a label with printed material for indicating the material at an arbitrary position on one of the glass mats, laying, for example, a transparent surface mat of unsaturated polyester resin-impregnated glass fiber by pressure of a presser such as a roller or a brush or the like on the label, and consolidating each of the components to form the final product. Thus, the indication of the material of the FRP product that is displayed on a back surface side of the hand-lay-up FRP product can be accurately confirmed from the outside for a long period of time.

REFERENCES:
patent: 3957943 (1976-05-01), Ogura
patent: 4869941 (1989-09-01), Ohki

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