Pipes and tubular conduits – Flexible – Casing
Patent
1984-10-19
1986-06-10
Bryant, III, James E.
Pipes and tubular conduits
Flexible
Casing
138119, 138128, 138177, 428192, 206802, F16L 1112
Patent
active
045937214
ABSTRACT:
Disclosed is a tubular packaging casing suitable for use as a sausage casing and a flat film for forming same, the flat film being shaped into a tubing and comprising cellulose hydrate, preferably fiber-reinforced cellulose hydrate. The edges of the flat film are bonded by means of a sewing thread, and in the area of the sewing thread, the packaging casing has an increased content of plasticizer and, optionally, also an increased moisture content. Furthermore, a flat film for producing the packaging casing is disclosed, which has an increased content of plasticizer and optionally also of water along its two edges.
REFERENCES:
patent: 2181886 (1939-12-01), Goodman
patent: 2350158 (1944-05-01), Evans
patent: 2366710 (1945-01-01), Dimond
patent: 2939501 (1960-06-01), Corman et al.
patent: 3737329 (1973-06-01), Strelchuk
patent: 4401136 (1983-08-01), Porrmann et al.
patent: 4478661 (1984-10-01), Lewis
Heyse Klaus
Klenk Ludwig
Bryant III James E.
Hoechst Aktiengesellschaft
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