Cam positioned index take up roll

Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container

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Details

493 24, 493 29, 493225, 226108, 226114, 226117, B31B 110, B65H 2024

Patent

active

048346985

ABSTRACT:
An apparatus and method of handling flexible foldable materials, particularly thermoplastic film webs, continuously fed from a supply by continuously moving input nip rolls to a dancer including a roll mounted for movement transversely to its central axis. Intermittently moving draw rolls intermittently advance material from the dancer roll. The dancer roll is reciprocated in coordination with the intermittent advancement so as to decouple the translational inertia of the dancer roll from the material. A flexible belt also simultaneously rotates the dancer roll so as to decouple rotational inertia of the roll from the length of material. The dancer may be driven by a cam in common with a work station reciprocating against the material fed from the dancer.

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H. Dunn, "High-Speed Tape Punch", IBM Technical Disclosure Bulletin, vol. 1, No. 1, p. 5, 06 1958.

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