End caps for tubular containers

Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle

Patent

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Details

220 4R, B65D 564, B65D 700

Patent

active

039866599

ABSTRACT:
Disclosed is a rigid end plug snugly inserted into a tube formed from plastic sheet material. The tube has perforations near its open ends into which axially tapered radial protrusions from the end plug are inserted. The end plug has a beveled edge for ease of snug insertion into the tube and a rim on which the tube is seated.

REFERENCES:
patent: 1745101 (1930-01-01), Labombarde
patent: 1780232 (1930-11-01), Hayman
patent: 3208620 (1965-09-01), Herdering
patent: 3749277 (1973-07-01), Kinney
patent: 3913774 (1975-10-01), Vajtay

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