发明名称 Roll product with manually graspable tail end and manufacture thereof
摘要 Method of and apparatus for securing the unaffixed tail portion of a roll product to a convolution thereof underlying said tail portion wherein the completed roll product is provided with a manually graspable fold on the tail portion which is releasably secured to the underlying roll product convolution as by means of adhesive. Apparatus structure and method steps are provided whereby the tail portion of the roll product is positioned so that the free end thereof is spaced from a wound portion of the roll product. A fold is then provided in the roll product tail portion and a quantity of adhesive is applied to the roll product at a predetermined location thereon. The tail portion is then wound about the roll product wound portion and the fold is secured to the roll product convolution underlying same with said adhesive. A completed roll product is thus formed comprising an elongated sheet of flexible material wound to provide a plurality of convolutions including the outer tail portion convolution. The fold formed in the tail portion comprises a plurality of tail portion segments disposed in substantially parallel relationship with one of the segments terminating with a free end. The fold is in abutting engagement with an underlying convolution of the sheet material and releasably secured thereto. The releasably secured fold is adapted for manual grasping by the user of the roll product whereby release of the secured fold and unwinding of the roll product are facilitated.
申请公布号 US3912571(A) 申请公布日期 1975.10.14
申请号 US19740476017 申请日期 1974.06.03
申请人 CROWN ZELLERBACH CORPORATION 发明人 HARTBAUER, ELLSWORTH A.;REHR, HENRY W.
分类号 A47K10/16;B65H19/29;(IPC1-7):B32B31/00 主分类号 A47K10/16
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