Composite flexible, semi-rigid materials and process for making

Details Composite flexible, semi-rigid materials and process for making Composite flexible, semi-rigid materials and process for making

1975-05-14

1977-12-20

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

229 14BL, 229 35R, 229 55, 428153, 428189, 428190, 428191, 428461, 428515, 428513, 428514, 428518, 428476, B32B 300

Patent

active

040643026

ABSTRACT:
Novel flexible, semi-rigid fabricating material comprising a laminate of top and bottom layers of relatively thin synthetic plastic film and a middle layer of semi-rigid sheet material, said top and bottom layers being substantially wider than said middle layer to provide marginal film-to-film areas of sufficient dimensions to form end closures when said laminate is formed into a dimensional container having sides corresponding to the width of said semi-rigid middle layer.

REFERENCES:
patent: 2148454 (1939-02-01), Gerard
patent: 2158755 (1939-05-01), Hodgdon et al.
patent: 2370680 (1945-03-01), Moore
patent: 2737467 (1956-03-01), Massey
patent: 3337114 (1967-08-01), Lockwood
patent: 3490678 (1970-01-01), James et al.

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