Water frangible end seal for hydro-dissociative agglomerate tamp

Details Water frangible end seal for hydro-dissociative agglomerate tamp Water frangible end seal for hydro-dissociative agglomerate tamp

1977-08-05

1979-09-25

Goolkasian, John T.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156272, 156290, 156553, 128285, A61F 1320

Patent

active

041690044

ABSTRACT:
In a tampon having an absorbent body which is an agglomerate of pieces of absorbent foam, said agglomerate being held together by an overwrap, the improvement wherein said overwrap is provided with a water frangible end seal formed exclusively of said overwrap material, said seal acting as a closure for said overwrap material before use and in vivo, but said seal opening up to permit dispersal of said agglomerate when the tampon is agitated in an excess of water such as a standard sewage disposal system.

REFERENCES:
patent: 2589777 (1952-03-01), Collins
patent: 2799759 (1957-07-01), Blond et al.
patent: 2908601 (1959-10-01), Brown
patent: 2992958 (1961-07-01), Yamaguchi
patent: 3232810 (1966-02-01), Reeser
patent: 3575767 (1971-04-01), Banks
patent: 3756878 (1973-09-01), Willot
patent: 3812856 (1974-05-01), Duncan et al.
patent: 3814101 (1974-06-01), Kozak
patent: 3815601 (1974-06-01), Schaefer
patent: 3849227 (1974-11-01), Frieling et al.
patent: 3940169 (1976-02-01), Kock
"Techniques for Bonding Nonwovens," Paper Film and Foil Converter, Jan. 1973, at p. 30.

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