Flexible bags – Wall details – Reinforced
Patent
1986-03-06
1991-06-04
Gehman, Bryon P.
Flexible bags
Wall details
Reinforced
206484, 383109, 383122, 383124, 426127, 426129, B65D 3010
Patent
active
050209221
ABSTRACT:
A seamless, bone puncture resistant bag is provided that representatively includes a length of lay-flat seamless tubular film folded to a double lay-flat configuration and having all adjacent film surfaces interfacially bonded, respectively, except at one outermost interface. The configuration thus forms a seamless envelope with one face thickened integrally to triple thickness. In a less preferred mode, a similarly reinforced bag is provided but which has either an end-seal or side-seals. Associated methods for making such bags are also provided.
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Gehman Bryon P.
Lee, Jr. William D.
Quatt Mark B.
Toney John J.
W. R. Grace & Co.,-Conn.
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