Embossed patterning of asbestos-cement and like sheets
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 5, 1980
Issued Date -
N/A
app pub date -
Oct 25, 1977
filing date -
Nov 7, 1974
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To provide asbestos-cement and like sheets which are formed by build-up of a thin film on a rotating size roll, with an embossed patterned surface; a flexible mold layer of epoxy resin or like moldable material having counterpart embossments molded thereon, is removably wrapped about and secured to the size roll with its patterned side outward and before commencement of film build-up on the roll.
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Cited Art Landscape
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