Auto-detecting means for detecting drawnout termination end of old paper roll and beginning end of new paper roll in paper splicing apparatus
Paper roll diameter sensing device for use with paper splicing apparatus Patent #: 3974490
ApplicationNo. 05/803673 filed on 06/06/1977
US Classes:242/552, With accumulator156/504, Moving web (flying splice or with web accumulating means)242/554.4, Differentiated material portion (e.g., material end, tear, or signal)242/555.1Shift new material
ExaminersPrimary: McCarthy, Edward J.
Attorney, Agent or Firm
International ClassesB65H 19/18 (20060101)
B65H 23/00 (20060101)
B65H 26/00 (20060101)
B65H 26/02 (20060101)
Foreign Application Priority Data1976-06-16 DE
AbstractApparatus 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.