Apparatus for treating perforated webs of tipping paper or the l

Details Apparatus for treating perforated webs of tipping paper or the l Apparatus for treating perforated webs of tipping paper or the l

1982-09-17

1985-08-20

Millin, V.

Tobacco

Cigar or cigarette making

Including perforating

A24F 560

Patent

active

045357927

ABSTRACT:
A running web of cigarette paper or tipping paper, which is formed with one or more groups of longitudinally extending perforations by heating and resulting burning or charring selected portions of the web, is treated by one or more wiping devices which sweep along one or both sides of the web, at least in the region of the group or groups of perforations. The wiping device or devices can employ one or more rotary brushes in conjunction with one or more back supports in the form of driven rollers or idler rollers, or a stationary pad which is biased against the web to thereby urge the web against a stationary back support. The wiping device or devices enhance the appearance of the web by reducing the visual contrast between the perforated and non-perforated portions.

REFERENCES:
patent: 4281670 (1981-08-01), Heitmann et al.
patent: 4390032 (1983-06-01), Labbe et al.

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