Web accumulator with arcuate guide supports

Details Web accumulator with arcuate guide supports Web accumulator with arcuate guide supports

1983-02-07

1985-12-31

Hornsby, Harvey C.

Advancing material of indeterminate length

Plural material-moving means

With bight former

226 24, 226 42, 226117, 226118, 226196, B65H 1720, B65H 2322, B65H 2510, B65H 2520

Patent

active

045615810

ABSTRACT:
Double-faced corrugated board issuing continuously from a double backer is fed into an accumulator pit forming a downwardly extending loop therein. The web is withdrawn intermittently from the upper end of the pit and fed to a reciprocating cutting and creasing press which produces box blanks. Adjustable curved guide supports are provided for the web at the upstream and downstream ends of the accumulator. Curvatures of these supports are adjusted to permit the web, as it enters and leaves the accumulator pit, to assume curves each of a radius that approaches but is no less than a critical radius below which unwanted transverse scores will form in the web.

REFERENCES:
patent: 2616689 (1952-11-01), Baumgartner
patent: 2907565 (1959-10-01), Sauter
patent: 3107836 (1963-10-01), Van't Veld
patent: 3177749 (1965-04-01), Best et al.
patent: 3240411 (1966-03-01), Zarleng
patent: 3446409 (1969-05-01), Stearns
patent: 3489043 (1970-01-01), Dent
patent: 3575331 (1971-04-01), Middleman
patent: 3807612 (1974-04-01), Eggert
patent: 4194662 (1980-03-01), Coburn
patent: 4365395 (1982-12-01), Brantley

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