Information folder construction

Details Information folder construction Information folder construction

1985-11-25

1987-04-28

Bell, Paul A.

Books, strips, and leaves

Strips

281 1, 229 921, 493405, B42D 318, B42D 1900, B65D 2700, B31B 126

Patent

active

046608567

ABSTRACT:
A folder wherein a strip of paper is folded upon itself about a transverse crease line to form elongate overlying leaves of different lengths, the strip being wound with the longer leaf outward to form a spiral of numerous ovaloid convolutions each having its entire outer surface in facing engagement with the inner surface of the next outer convolution, the convolutions having arcuate end portions and side portions extending between the end portions with each end portion in reinforcing abutting engagement with the convolution end portion of the next outer convolution, and the outer leaf end being detachably secured to the nether convolution, for releasably retaining the strip in its spiral configuration.

REFERENCES:
patent: 653152 (1900-07-01), Roeber
patent: 1016626 (1912-02-01), Harris
patent: 1076450 (1913-10-01), Rindsberg
patent: 2507615 (1950-05-01), Sharp, Jr.
patent: 3306632 (1967-02-01), Stahmer
patent: 3941309 (1976-03-01), Gendron

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