Process for the preparation of a paper container equipped with a

Details Process for the preparation of a paper container equipped with a Process for the preparation of a paper container equipped with a

1983-09-09

1985-07-30

Husar, Francis S.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493308, 220359, 229 55, 229 45, B65D 564

Patent

active

045319308

ABSTRACT:
In wound, preferably cylindrical paper containers, reinforcing rings of a synthetic plastic material are applied to the upper and possibly to the lower cut edges and joined by welding with the jacket. In order to insure that the core of the ring remains cold during welding and only the surface becomes liquid, thin-walled projections are provided in locations of the ring where welding is desired and are rendered flowable immediately prior to the placing of the ring on the jacket. Thus, the ring retains its structural integrity while being rendered weldable.

REFERENCES:
patent: Re26110 (1966-11-01), Harrison et al.
patent: 3734393 (1973-05-01), Stump
patent: 4241864 (1980-12-01), Kessler
patent: 4305771 (1981-12-01), McLaren

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