Cutting – By fluid blast and/or suction
Reexamination Certificate
2004-03-22
2009-11-10
Ashley, Boyer D. (Department: 3724)
Cutting
By fluid blast and/or suction
C083S099000, C083S937000, C083S949000, C242S526000, C242S527100, C225S093000
Reexamination Certificate
active
07614328
ABSTRACT:
Apparatus for causing paper webs to tear off within rewinding machines, the said web (2) being provided, at regular intervals, with transverse perforation which subdivide the web into sheets joined to each other but able to be separated in correspondence of said perforation lines, the apparatus comprising means to cause the tearing of the web (2) upon the passage of a perforation line (p) which separates the last sheet of a log (RO) in the course of formation from the first sheet of the next log to be formed, characterized in that the said tearing means are of pneumatic type (SP) able to direct a jet of compressed air toward the said line (p).
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Ashley Boyer D.
Lee Laura M.
McGlew and Tuttle , P.C.
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