Sheet folding method and apparatus

Details Sheet folding method and apparatus Sheet folding method and apparatus

1989-04-28

1990-04-17

Bell, Paul A.

Books, strips, and leaves

Strips

283 34, B42D 1900, B31F 100

Patent

active

049174053

ABSTRACT:
An improved sheet folding method comprises forming an upper folding template and a lower folding template having plate elements corresponding to predetermined fold configurations desired to be formed, the plate elements being interconnected along respective joining lines between adjacent plates by thin, flexible joining parts which allow the plate elements to be folded together along the joining lines, placing a sheet to be folded between the upper and lower folding templates, then folding the stacked sheet and templates together according to the order of the fold configurations desired, whereby the desired fold lines are formed in the sheet corresponding to the joining lines between the plate elements in the order of the fold configurations.

REFERENCES:
patent: 2525937 (1950-10-01), Palm
patent: 3753558 (1973-08-01), Sheroff et al.
patent: 4502711 (1985-03-01), Muth

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