Manufacturing container or tube from paper; or other manufacturi – Container making – Rigid container
Patent
1990-08-24
1992-03-31
Terrell, William E.
Manufacturing container or tube from paper; or other manufacturi
Container making
Rigid container
493213, B31B 184, B31B 1790
Patent
active
051003694
ABSTRACT:
A fitment sealing apparatus employs a high-speed continuous-motion conveyor for carton blanks and a rotary sealer for sealing fitments to the carton blanks by maintaining heat and pressure contact over a given duration through a prescribed turning angle. The rotary sealer is positioned adjacent an inside corner of two portions of the conveyor arranged at a right angle, and has four heating anvils spaced circumferentially at 90 degrees to each other. An adhesive applicator applies a layer of hot-melt adhesive between the fitment and carton blank which is formed into an excellent seal by the rotary sealer. For fitments of the flat, reclosable type, the apparatus includes a secondary adhesive applicator and a plowover bar to form the fitment in its folded-over configuration.
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International Paper Company
Terrell William E.
Zielinski Walt Thomas
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