Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1983-10-19
1986-07-22
Combs, E. Michael
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
83911, B31B 2714, B26D 314
Patent
active
046016880
ABSTRACT:
An apparatus for producing envelope blanks has means for advancing a continuous web of paper along a horizontal path, two sets of rotatable cutter blades are located one on each side of the path of travel of the web. The blades are operable to cut out portions from each side of the web. The blades on each side of the said path being located on a common shaft. Each set of cutter blades comprises at least three cutter blades. Each blade is located on a cutter bracket mounted on the shaft so that the angular position of the blade on the shaft is adjustable through 360.degree.. Each blade in each set is located opposite a similar blade in the other set to form a matching pair and the cutting profiles of the blades in each set are different and including a cutting point in each blade. The positions of the common shafts are also adjustable so that the sets of cutter blades are movable towards each other or away from each other as desired.
REFERENCES:
patent: 2182002 (1939-12-01), Potdevin
patent: 2254907 (1941-09-01), Potdevin et al.
patent: 3782233 (1974-01-01), Helm
patent: 4125044 (1978-11-01), Carrigan et al.
patent: 4130039 (1978-12-01), Heyden et al.
patent: 4429603 (1984-02-01), Chapman et al.
Chapman Envelopes Limited
Combs E. Michael
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