Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1993-08-25
1994-09-20
Lavinder, Jack
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493451, 493458, B65H 4520
Patent
active
053485262
ABSTRACT:
A hand held, manually operated paper folding device, made out of thin, high density material, divided into four sections by specially introduced flexible joints. Three of the sections are similar and together equal the size of a standard paper sheet which is placed on top of these sections prior to the folding process. The fourth section is about 1/8" narrower, which allows it to be folded on top of the adjacent third section, providing means to accommodate, align and hold paper sheets between the third and the forth sections, while also permitting the following folding of all three equal sections in a zig zag fashion, generating within one motion, buckling, formation of two sharp creases and the uniform triple folding of all inserted paper sheets. The inherent springiness of the folded paper sheets and the paper sheet folding device itself assures the release of all paper sheets after the completion of the folding process and release of the paper sheet folding device.
REFERENCES:
patent: 514013 (1894-02-01), Litchfield
patent: 702085 (1902-06-01), Barnes
patent: 797864 (1905-08-01), Naylor
patent: 3092379 (1963-06-01), Collier
patent: 4421500 (1983-12-01), Smith
patent: 5226876 (1993-07-01), Watson
patent: 5259827 (1993-11-01), Staniszewski
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