Method of affixing synthetic resin film and molding resin
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United States of America Patent
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Jul 11, 2000
Issued Date -
N/A
app pub date -
Feb 12, 1997
filing date -
Jul 12, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of strongly affixing a molding resin to a synthetic resin film in direct fashion includes preparing a synthetic resin film and a molding resin each of which consists of a thermoplastic material, stretching a prescribed surface of the synthetic resin film, simultaneously bringing the molten, high-temperature molding resin into contact with the surface of the synthetic resin film, while stretching of the surface thereof is in progress, in such a manner that the molding resin presses directly against this surface in a state of high pressure, and subsequently cooling a surface of contact between the synthetic resin film and molding resin to a temperature at which the molten molding resin solidifies. As a result, the surfaces of contact between the synthetic resin film and molding resin are directly and strongly fused.
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