Process for making a disposable diaper

Details Process for making a disposable diaper Process for making a disposable diaper

2006-11-07

2006-11-07

Gray, Linda (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S200000, C156S204000, C156S226000, C156S227000, C156S265000, C156S302000, C156S516000, C156S519000, C156S512000, C156S270000

Reexamination Certificate

active

07132031

ABSTRACT:
In a process for making disposable diapers, a first web is continuously fed in its longitudinal direction. Tape fastener members extending in the longitudinal direction are fed to the first web so as to straddle respective lines corresponding to the side edges of the respective backsheets. Each of the tape fastener members has its longitudinally opposite end portions folded in a Z-shape or an inverted Z-shape. Top sections of these Z-shape and inverted Z-shape are coated on their undersides with a first self adhesive and bottom sections of these Z-shape and inverted Z-shape are coated on their undersides with a second self-adhesive. The tape fastener member is bonded to the first web by means of the second self-adhesive. The first web and the tape fastener members are simultaneously cut along the lines.

REFERENCES:
patent: 3874386 (1975-04-01), Kozak
patent: 4237890 (1980-12-01), Laplanche
patent: 6328725 (2001-12-01), Fernfors
patent: 5-39531 (1993-05-01), None
patent: 2000-502573 (2000-03-01), None

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