Container end closure system

Details Container end closure system Container end closure system

1979-03-05

1980-12-30

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 55, 229 58, 215233, 215344, B65D 564

Patent

active

042418640

ABSTRACT:
A fiberboard tube is made into a container by applying closures to its ends. The closures are of organic polymeric material and provide a rim of generally U-shape or J-shape cross-section to receive end wall portions of the tube. Each closure is bonded to a tube end using either a solvent bonding or an adhesive bonding technique. Interior surface portions of each closure rim are provided with a multiplicity of macroscopic surface irregularities, preferably in the form of elongate ribs, to accelerate the bonding process and to assure the formation of an air-tight seal between the closure and such tube end wall portions as are received within the closure rim.

REFERENCES:
patent: 1456423 (1923-05-01), Coates
patent: 2350312 (1944-05-01), Hatch
patent: 2538915 (1944-09-01), Duthie
patent: 2623685 (1952-12-01), Hill
patent: 2638261 (1953-05-01), Poole
patent: 2723072 (1955-11-01), Sayford, Jr.
patent: 2859786 (1958-11-01), Tupper
patent: 2990998 (1961-07-01), Barclay
patent: 3215304 (1965-11-01), Rohe'
patent: 3217964 (1965-11-01), Stegner
patent: 3424343 (1969-01-01), Hoeffelman
patent: 4019674 (1977-04-01), Ikelheimer

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