发明名称 Method of making pages for photo albums and pages thereby formed
摘要 A method of making pages for photo albums and the like comprises the steps of passing a first elongated continuous sheet of a flexible transparent plastic material through a work station, extruding a plurality of spaced lines of a hot-melt pressure-sensitive adhesive onto the first sheet at the work station, overlaying a second elongated continuous sheet of flexible transparent plastic material on the first sheet, pressing the two sheets together so that they are secured together with the adhesive to define a composite sheet, and transversely cutting the composite sheet at predetermined intervals to form a plurality of pages. The flexible transparent sheets preferably comprise biaxis-oriented polypropylene sheets having thicknesses of less than approximately 2 mils. The pages made by the method are durable and effective, and they can be made at substantially higher rates and lower cost than the previously-available pages.
申请公布号 US4702026(A) 申请公布日期 1987.10.27
申请号 US19860838324 申请日期 1986.03.10
申请人 SPM MANUFACTURING CORPORATION 发明人 SHAINE, WILLIAM L.
分类号 B42F5/00;(IPC1-7):G09F1/10 主分类号 B42F5/00
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