A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
154/30.1
A61F 13/16 (1980.01)
Patent
CA 1082087
ABSTRACT A method is described for continuously attaching discrete lengths of elastic ribbon to a moving, substantially inelastic web, particularly for a disposable diaper. The method comprises the steps of feeding a heat-sealable elastic ribbon to an assembly station in a stretched condition; feeding a web of substantially inelastic material to said assembly station; adhering discrete lengths of said heat-sealable elastic ribbon to said web at said assembly station by elevating the surface temperature of said ribbon only in predetermined areas along the length of said elastic ribbon; maintaining said elastic ribbon in a stretched condition until the temperature of said ribbon has been lowered sufficiently to bond said ribbon to said web; cutting said elastic ribbon transversely in an area which is not adhered to said web, thereby forming severed unadhered ends of elastic at both ends of each discrete length of stretched elastic ribbon adhered to said web; and allowing the severed unadhered ends of said elastic ribbon to relax and contract to their unstretched state, whereby the presence of the unadhered ends does not interfere with the performance of the web or the discrete length of adhered elastic ribbon to which said unadhered ends are attached.
341394
Kirby Eades Gale Baker
The Procter & Gamble Company
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