Spiral tube winding methods and apparatus including ply break se

Details Spiral tube winding methods and apparatus including ply break se Spiral tube winding methods and apparatus including ply break se

1990-03-15

1991-10-22

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

493 24, 493 27, 493279, B31C 300, B31C 1104

Patent

active

050591649

ABSTRACT:
In a spiral tube winder, the plies going to the winding mechanism are monitored to make sure that no ply is broken. If any ply breaks, the machine is stopped so that the broken ply does not become entangled in the apparatus, especially in the glue applying portion of the apparatus. The ply break detection system is automatically activated for each ply lane that is in use so that plies can be added while the machine is in operation, with the result that the ply break protection for each such added ply comes on automatically after that ply has been added.

REFERENCES:
patent: 3044423 (1962-07-01), Pottle
patent: 3087393 (1963-04-01), Pottle
patent: 3165034 (1965-01-01), Cvacho
patent: 3165985 (1965-01-01), Pottle
patent: 3928844 (1975-12-01), Meihofer
patent: 4242167 (1980-12-01), Hoffmann
patent: 4416651 (1983-11-01), Sullivan et al.

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