Method for manufacturing a picture and/or text changing slide

Details Method for manufacturing a picture and/or text changing slide Method for manufacturing a picture and/or text changing slide

1989-01-11

1990-04-03

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

With cutting, breaking, tearing, or abrading

And with bending

283 65, 428 7, 40488, 493944, G09F 710, B65H 3700

Patent

active

049136941

ABSTRACT:
Method for manufacturing a picture- and/or textchanging slide, in which a piece of planar material is subdivided into three sections, of which two sections provided with changing strips formed by incisions are folded onto each other and are thereafter shifted in position relative to one another to bring the free ends of the changing strips of one section through the incisions of the other section, whereafter two of the sections are folded together into an envelope enclosing the third section and are glued together with a marginal portion of the third section, after which the slide is cut loose from the third section.

REFERENCES:
patent: 718305 (1903-01-01), Blanchard
patent: 2485806 (1949-10-01), Berg
patent: 3403465 (1968-10-01), Lane

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