Method for making disposable diapers

Details Method for making disposable diapers Method for making disposable diapers

1994-05-16

1996-04-16

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156204, 156217, 156227, 156292, 1563084, 156323, 1563244, 6043851, A61F 1315

Patent

active

055078958

ABSTRACT:
To obtain a disposable diaper having at its respective waist sides welded zones which provide smooth touch, herein disclosed a method for making a disposable diaper 1 comprising steps of putting wing-like portions 21, 22 provided on front and rear bodies 5, 6 of the diaper 1 one upon another with a topsheet 2 facing inward, and welding these wing-like portions together under heat and pressure. In each wing-like portion 21, 22, a piece of sheet member is attached to at least one of the top- and backsheets 2, 3 so as to form an extension thereof and provide thereby the backsheet of said portion having a melting point higher than a melting point of the topside sheet member.

REFERENCES:
patent: 3924626 (1975-12-01), Lee et al.
patent: 4863779 (1989-09-01), Daponte
patent: 5064489 (1991-11-01), Ujimoto et al.

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