Continuous process for the manufacture of disposable diapers

Details Continuous process for the manufacture of disposable diapers Continuous process for the manufacture of disposable diapers

1985-12-18

1988-08-09

Ball, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156178, 156229, A41B 1302, A61F 1316

Patent

active

047625821

ABSTRACT:
Continuous process for the manufacture of disposable diapers having an absorbent pad fixed inside a moisture-impermeable envelope. There are front and back transverse margins and a central crotch zone provided with lateral cut-outs to let the legs through. An elastic strand is fixed to the impermeable envelope by adhesion, at least in the crotch zone, and brought into contact with the inner face of the impermeable envelope while continuously driven by a smooth-surfaced rotary drum. The elastic strands are coated with adhesive throughout their length, and the tension exerted on them at the points of contact with the impermeable envelope is made to vary between a value approaching zero, corresponding to the portions of the elastic strands adhered onto the front and back transverse margins, and a maximum value corresponding to the portions of the elastic strands adhered onto the central crotch zone.

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