Package making – Means to feed cover material – Continuous web cover material
Patent
1997-08-27
1999-10-26
Kim, Eugene L.
Package making
Means to feed cover material
Continuous web cover material
83597, 83607, 83663, 156 86, B65B 4100
Patent
active
059706856
ABSTRACT:
A cutting mechanism installed in a thermal-shrinking film labeling machine around a cylindrical guide shaft and controlled to cut a tubular thermal-shrinking film being sleeved onto the cylindrical guide shaft, including an annular mounting plate fixedly mounted around the cylindrical guide shaft; a plurality of cutting tool assemblies respectively mounted on the annular mounting plate and equiangularly spaced around the guide shaft, each cutting tool assembly including a rotary tool holder alternatively turned back and forth about an axis within a set angle, a double-edge cutting blade fixedly fastened to the rotary tool holder and turned with it to move over an annular groove around the cylindrical guide shaft in cutting off cut the tubular thermal shrinking film; and
driving means controlled to turn the rotary tool holder of each cutting tool assembly back and forth.
REFERENCES:
patent: 4412876 (1983-11-01), Lerner et al.
patent: 4806187 (1989-02-01), Fujisawa
patent: 5367858 (1994-11-01), Haasl
patent: 5385073 (1995-01-01), Truemner et al.
patent: 5460026 (1995-10-01), Schafer
patent: 5531858 (1996-07-01), Hong
patent: 5655427 (1997-08-01), Infanger
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