Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1979-04-16
1980-10-14
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156204, 156250, 156270, 156290, 156474, 156494, 156516, B32B 3108
Patent
active
042279526
ABSTRACT:
Method and apparatus for making diapers with elastic bands in the leg-contacting zone of the diaper involves forming folds, tucks or festoons in the diaper backing sheet or facing sheet and applying elastic ribbon treated with adhesive over the web and across the gaps of the folds so that the ribbon does not adhere to the web portion in the folds. Hence the elastic ribbon is only adhered to the portions of the web between the folds. The elastic ribbons are cut in the gaps of the folds, with the material in the folds later forming the nonelasticized waistband portion of the diapers. At the ribbon-web assembly station, the facing or backing sheet is supported by spaced plates separated by gaps. Before the ribbon is applied, the folds are formed by tucker bars which successively interfit in the gaps between the support plates and push the web into the gaps.
REFERENCES:
patent: 1544312 (1925-06-01), Gray
patent: 2926720 (1960-03-01), Grosman
patent: 3457137 (1969-07-01), McCarthy
patent: 3829344 (1974-08-01), Julev et al.
patent: 3860003 (1975-01-01), Buell
patent: 4081301 (1978-03-01), Buell
Fuller Henry C.
Sabee Products, Inc.
Simmons David A.
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