Fiber reinforced plastic product and an indication method thereo

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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156108, 156228, 156242, 1562737, 1562755, 156279, 156327, 264500, 264239, 264241, 264245, 264246, 264247, 264257, 264258, 428195, 428202, 428204, 428206, 428207, 4283202, 4283215, 428352, 4284111, 4289033, B32B 3100, B32B 3104, B32B 3106, B32B 3110

Patent

active

055542379

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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