Beds – Bedsteads – Element or detail
Patent
1975-05-30
1977-09-06
Nunberg, Casmir A.
Beds
Bedsteads
Element or detail
128287, A61F 1316
Patent
active
040458334
ABSTRACT:
An absorbent bed pad comprises a liquid-impervious sheet which is adhered to an absorbent fabric throughout the interface therebetween. The fabric is unitary and highly stable and is formed from a mixture of long and short fibers. The mixture of fibers varies throughout the depth of the fabric to produce a short fiber-enriched face to be adhered to the impervious sheet and a long fiber-enriched face at the outer face. The fabric is through-bonded and may be adhered by adhesive to the backing sheet to produce compaction of the short fiber-enriched face.
In other embodiments the fabric may be treated to increase the wettability of selected portions and a highly compacted, densified layer may be formed integral with the short fiber-enriched face.
The method of producing the bed pad of the invention includes the adherence of the backing sheet to the short fiber-enriched face of the fabric by the application of adhesive or by the direct extrusion of the backing sheet onto the short fiber-enriched face without the use of adhesive.
REFERENCES:
patent: 2152901 (1939-04-01), Manning
patent: 3065751 (1962-11-01), Gobbo, Sr. et al.
patent: 3426756 (1969-02-01), Romanek
patent: 3521624 (1970-07-01), Gander et al.
patent: 3523536 (1970-08-01), Ruffo
patent: 3535187 (1970-10-01), Wood
patent: 3740797 (1973-06-01), Farrington
patent: 3763863 (1973-10-01), Mesek et al.
patent: 3768118 (1973-10-01), Ruffo
Mesek Frederick K.
Repke Virginia L.
Johnson & Johnson
Nunberg Casmir A.
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