Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1984-12-27
1985-11-05
Ball, Michael
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156296, 156344, 428288, 428920, D04H 158
Patent
active
045513830
ABSTRACT:
A process for the production of padding for clothing or furnishing is discussed. The process involves the use of synthetic or other fibres, and padding formed by the process comprises a mixture of fibres, preferably polyester or other, with silicone treated fibres of various nature and origin, from which, by means of carding machines, a layer or web is produced. This layer or web is treated on one face, with a mixture of sticky plastic adhesives and subsequently is passed through a calender having two or more suitably heated cylinders which reduces the thickness of the layer itself.
At the output of the cylinders of the calender the web remains, for a short time, adhering with its sticky surface to the corresponding cylinder, which causes a slight expansion to take place resulting in the formation of air pockets in the web.
REFERENCES:
patent: 3879257 (1975-04-01), Gertile et al.
patent: 4199642 (1980-04-01), Cooper et al.
patent: 4304817 (1981-12-01), Frankosky
patent: 4400426 (1983-08-01), Aldrich
patent: 4477515 (1984-10-01), Masuda
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