Apparatus and method for treatment of elongated flexible materia

Details Apparatus and method for treatment of elongated flexible materia Apparatus and method for treatment of elongated flexible materia

1978-09-11

1980-05-20

McCarthy, Edward J.

Advancing material of indeterminate length

Plural material-moving means

With intermittent material-mover

226 42, 226168, B65H 1742

Patent

active

042035406

ABSTRACT:
An apparatus for the treatment of a flexible material of great length in a treatment volume, comprising means for giving the material the form of a helix comprising several turns, means for causing this helix to progress or advance in the treatment volume by being driven by rotating supporting shafts and means for regulating the speed of entry of the material into the volume and also its speed of progression the treatment volume comprising at least two treatment chambers disposed side-by-side, the entry of the material into one chamber being substantially opposite the exit of the material from the following chamber, and means appropriate for guiding the material from one chamber to the following chamber without driving the said material, wherein said means for guiding said material are formed of a tunnel equiped with two trains of idler rollers.
In a preferred mode of treatment, when using an apparatus of which the treatment volume comprises two separate chambers disposed side-by-side, the exit speed of the material from the second chamber is smaller than or equal to the entry speed of the material into the first chamber which is smaller than the peripheral speed of the shafts of the first chamber, this latter being smaller than the peripheral speed of the shafts of the second chamber.

REFERENCES:
patent: 3439851 (1969-04-01), Rum
patent: 3462979 (1969-08-01), Ziegler
patent: 3951322 (1976-04-01), Giros
patent: 4026450 (1977-05-01), Giros

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