Web processing apparatus

Details Web processing apparatus Web processing apparatus

1990-12-19

1992-04-14

Look, Edward K.

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270 52, B65H 4100

Patent

active

051041049

ABSTRACT:
Apparatus for processing an elongate portion of a web of sheets, wherein the web portion includes a plurality of uniformly dimensioned successive sheets bordered by an elongate marginal edge having a plurality of sprocket holes formed therein at equal intervals along its length, the apparatus comprising: structure for guiding the web portion in a downstream path of travel, the guiding structure including a pair of spaced apart idler rollers and a timing belt endlessly looped about the rollers, the belt including a plurality of sprockets extending outwardly therefrom at said equal intervals, the belt including a belt run aligned with the path of travel, the web portion sprocket holes disposed in meshing engagement with the belt run sprockets for guiding the web portion in the path of travel; and structure downstream from the guiding structure for feeding the web portion downstream in the path of travel against an upstream force exerted thereagainst by the guiding structure.

REFERENCES:
patent: 3556509 (1971-01-01), Crum
patent: 4118022 (1978-10-01), Rayfield
patent: 4179107 (1979-12-01), Harris
patent: 4577789 (1986-03-01), Hofmann
patent: 4593893 (1986-06-01), Suter

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