Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1976-09-03
1978-04-25
Kaplan, Morris
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
427244, 427276, 427366, B05D 500, B05D 312
Patent
active
040863875
ABSTRACT:
Heat activatable, fabric conditioning products comprising thick, absorbent substrates impregnated with fabric conditioning chemicals are suitable for use at elevated temperatures encountered in laundry dryers. Prior to being used, such products tend to be stiff and boardy because of the brittle, wax-like properties of the fabric softener chemicals at ambient temperature. The stiff-boardy properties have been substantially eliminated by temporarily compressing the thick impregnated substrate to less than 70% of its original thickness. However, substantial impregnate is lost as dust from the substrate during compression at ambient temperatures. When hot rollers are employed for compressing the impregnated substrate, the loss of chemical impregnated ingredients caused by the compression step is substantially reduced.
REFERENCES:
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patent: 2649386 (1953-08-01), Snowman, Jr.
patent: 2819179 (1958-01-01), Barnard et al.
patent: 3442692 (1969-05-01), Gaiser
patent: 3551186 (1970-12-01), Martin et al.
patent: 3632396 (1969-04-01), Zamora
patent: 3686025 (1972-08-01), Morton
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