Device for automatically detecting the end of a web and splicing a new web thereto
AssigneeBHS-Bayerische Berg-, Hutten- und Salzwerke Aktiengesellschaft
InventorsHans Mosburger, Christoph Reis
Life of this patent
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Abstract
Apparatus for automatically detecting the end of or a tear in a web travelling through a corrugated cardboard installation or the like. A web sensing device having mutually opposed sensors positioned adjacent each edge of the web detects web tears or the end of the web. Automatic execution of a web splicing operation thereupon is effected by a control device which activates web-splicing means.
Claims9
A device for automatically detecting the end of or a tear in a web of material having a pair of longitudinal edges travelling through a corrugated cardboard installation or the like and for splicing said end or tear with a new web, the installation including a feed roller for a feed web roll and a prepared new web roll, said device comprising, control means movable into a preparatory stage for automatic activation of said web splicing, web sensing means including at least one sensor positioned at each of said longitudinal edges of said web, a web brake to slow the speed of the web through the installation, and a web storage space from which a supply of web material is removed during the web splicing, whereby when the end of the web is reached or when a tear therein occurs said sensors detect the same and deliver a signal to the control means to effect splicing of a new web.
Dependencies are inferred from the claim text.