Stock material or miscellaneous articles – Sheet – web – or layer weakened to permit separation through...
Utility Patent
1998-12-23
2001-01-02
Ahmad, Nasser (Department: 1772)
Stock material or miscellaneous articles
Sheet, web, or layer weakened to permit separation through...
C428S040100, C428S042200, C428S042300, C428S057000, C428S058000, C428S131000, C428S906000, C242S556100
Utility Patent
active
06168842
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an adhesive label for a supply roll of a paper web for a web-fed rotary printing press.
DESCRIPTION OF THE PRIOR ART
Adhesive labels for supply paper rolls are generally known, for use wherein the beginning of the paper web is fastened on the second layer of the paper web. DE 88 01 163 U1 describes an adhesive label with a predetermined tear line for attaching the beginning of a paper web to a paper web supply roll.
It is disadvantageous with this prior device that no connection between the web running out and the beginning of the paper web supply roll is created in the area of the adhesive label.
WO 95/05989 describes an adhesive label for fastening the beginning of a paper web on a paper web supply roll. This adhesive label is provided with a predetermined tear line.
DE-AS 12 67 930 discloses an adhesive label for fastening an adhesive strip of an paperweb supply roller.
SUMMARY OF THE INVENTION
The present invention has the object of providing an adhesive label for affixing a beginning of a paper web on a paper web supply roll.
In accordance with the present invention, this object is attained by providing an adhesive label which has, in the direction of rotation of the paper web supply roll, a leading label element and a trailing label element. Both of these label elements are delimited by a predetermined tear line. At least the trailing label element has holes. The trailing label element also has a width which corresponds, at least, to the width of the adhesive application or strip applied to the beginning of the paper web.
The advantages which can be achieved by of the present invention consist in particular in that, even when the drive belt used to rotate the fresh paper web supply roll is placed obliquely to the roll, and when there is a shortened run-up time of a fresh paper web supply roll provided with one or several adhesive labels, there is no “fly-away” and detachment of the holding labels from the beginning of the paper web. A relative axial movement between the paper web supply roll and the drive belt is absorbed without damage by the adhesive label. If in the course of acceleration of the paper web supply roll there should be penetration of adhesive through the perforations of the adhesive label, so that adhesive also gets on the drive belt, no “lifting” of the paper web beginning at each revolution takes place because of the retentive effect of the closure element of the adhesive label. Therefore no tearing of the adjoining holding labels and no “fly-away” of the paper web occurs. Because the paper web beginning is glued to the second layer of the supply roll of paper web, at least in the area of the belt travel, the penetration of air during the start up between the beginning of the paper web and the second layer and therefore a premature tearing of the holding labels is prevented. An open adhesive, as well as an adhesive strip with adhesive on both sides can be used as the adhesive application at the beginning of the paper web.
REFERENCES:
patent: 2149833 (1939-03-01), Bernard
patent: 4113906 (1978-09-01), Brandwein
patent: 4555288 (1985-11-01), Nozaka
patent: 5149571 (1992-09-01), Croell
patent: 5750217 (1998-05-01), Kearby et al.
patent: 1267930 (1965-03-01), None
patent: 8801163 (1989-07-01), None
patent: 9421320 (1995-03-01), None
patent: 9000980 (1991-11-01), None
patent: WO 95/05989 (1995-03-01), None
Ahmad Nasser
Chevalier Alicia
Jones Tullar & Cooper PC
Koenig & Bauer Aktiengesellschaft
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