Apparatus and method for ultrasonic sealing disposable diapers

Details Apparatus and method for ultrasonic sealing disposable diapers Apparatus and method for ultrasonic sealing disposable diapers

1993-12-02

1995-06-06

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156290, 1563084, 156553, 1565801, B32B 3120, B29C 6508

Patent

active

054219248

ABSTRACT:
A method and apparatus for transversely sealing multi-ply diaper webs including an ultrasonic horn assembly above the web and an anvil assembly below the web, and including orbiting the two assemblies with points of orbit intersection at two spaced apart points on the web and with one of the assemblies being resiliently mounted so as to yield when the two assemblies come in contact during sealing.

REFERENCES:
patent: 3733238 (1973-05-01), Long et al.
patent: 4227959 (1980-10-01), Brown
patent: 4414045 (1983-11-01), Wang et al.
patent: 4713132 (1987-12-01), Abel et al.
patent: 4862673 (1989-09-01), Francioni
patent: 4949846 (1990-08-01), Lakey

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