Reinforced file folder

Details Reinforced file folder Reinforced file folder

1985-10-28

1988-06-07

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Paperboard box

Box material includes a coating or a nonpaperboard...

40359, B65D 2700

Patent

active

047491213

ABSTRACT:
A file substrate of paper stock such as a file backer or file folder having a reinforced edge portion is disclosed. Such file substrate has at least one straight edge with a tear resistant plastic film secured either side of the substrate and about the straight edge. This film reinforces the substrate straight edge without significantly increasing the thickness thereof. A colored adhesive may be used for securing a clear reinforcing film to the folder. This provides a color band down a side of the folder to distinguish a group of files in a file system. Method and apparatus are disclosed for applying the reinforcing film to file folder blanks.

REFERENCES:
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patent: 1273960 (1918-07-01), Wagemaker
patent: 1743191 (1930-01-01), Charlton
patent: 1757122 (1930-05-01), Hunter
patent: 1868188 (1932-07-01), Barker
patent: 2052623 (1936-09-01), Harby
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patent: 2264295 (1941-12-01), Carter
patent: 2961365 (1960-11-01), Sroog
patent: 3937493 (1976-02-01), Fasbender
patent: 4175476 (1979-11-01), Kidd
patent: 4284227 (1981-08-01), Corey
patent: 4580815 (1986-04-01), Barber

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