发明名称 Method and apparatus for continuously attaching elastic strands to disposable absorbent products
摘要 In this invention, a continuous elastic ribbon is fed to a diaper assembly station in a stretched condition while, at the same time, an adhesive is continuously applied to the elastic ribbon. Simultaneously, absorbent batts, as well as webs of moisture-impervious backsheet material and moisture-pervious top-sheet material are fed to the diaper assembly station. Further, and simultaneously, while the webs are traveling to the assembly station, a release medium is applied to one of the said webs in selected areas thereof in a manner so as to overlie pre-determined, isolated portions of said stretched, elastic ribbon. At the assembly station, the stretched elastic ribbon is adhered to the moisture-impervious backsheet web along portions of the elastic ribbon which intervene the selected areas of the web where the release medium is located. After the adhesive has set up, the stretched elastic ribbon adheres to the moisture impervious backsheet between the release medium, and the elastic is severed in its unadhered areas, whereupon the unadhered portions become relaxed and inactive without affecting the functionality of the adhered portions in the ultimate assemblage.
申请公布号 US4353762(A) 申请公布日期 1982.10.12
申请号 US19800208222 申请日期 1980.11.19
申请人 BOUDA, FRANCIS J. 发明人 BOUDA, FRANCIS J.
分类号 A61F13/15;(IPC1-7):A61F13/16;B32B31/08 主分类号 A61F13/15
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