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Step-down booklet

  • US 3,907,271 A
  • Filed: 01/25/1972
  • Issued: 09/23/1975
  • Est. Priority Date: 01/25/1972
  • Status: Expired due to Term
First Claim
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1. The method of making a step-down booklet from a pre-printed web which comprises a. perforating said web along transverse lines corresponding to the head and foot of the sheets comprising the booklet pages, b. die cutting the sheets inside of and parallel to the opposite longitudinal edges of the web between the transverse perforations along lines corresponding to the margins of the booklet pages, where the internal booklet pages are of a nonuniform width, c. removing those marginal portions of each sheet at the longitudinal edges of the web which are defined by the die cut lines along the opposite margins of the pages comprising the sheets, and the transverse perforation lines, d. folding said sheets along said perforated lines to a superposed configuration whereby said sheet comprising the adjacent centerfold pages are the opposingly outward facing sheets, e. binding the superposed sheets together along a line inside of and parallel to the longitudinal margins of said sheets to form a booklet backbone, f. folding the superposed sheets along the bound backbone whereby the Adjacent centerfold pages are placed in an adjacent overlying configuration, and g. separating the bound sheets along the perforated lines at the head and foot of the booklet.

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