Gas and liquid tight corner structure for a fibre shipping conta

Details Gas and liquid tight corner structure for a fibre shipping conta Gas and liquid tight corner structure for a fibre shipping conta

1982-09-30

1984-07-03

Price, William

Envelopes, wrappers, and paperboard boxes

Paperboard box

End structure

220 67, 220 79, 229 57, B65D 742

Patent

active

044574657

ABSTRACT:
This relates to a gas and liquid tight corner structure for fibre shipping containers or drums and particularly relates to the provision of a sealing rim on the end unit which is engaged within the corner construction and is compressible so as to maintain a tightening effect on the seal of the corner structure after the corner relaxes under the influence of crimping mechanism. The sealing rim may be tubular in the case of a metal end unit or may be solid in the case of a plastic end unit and the plastic material is resiliently compressible.

REFERENCES:
patent: 1590747 (1926-06-01), Hulbert
patent: 2555700 (1951-06-01), O'Neil
patent: 2727673 (1955-12-01), Bergstrom
patent: 2884176 (1959-04-01), Carpenter et al.
patent: 2979224 (1961-04-01), Henchert
patent: 2986319 (1961-05-01), Bierman et al.
patent: 3072517 (1963-01-01), Gaylord
patent: 3186620 (1965-06-01), Meijers
patent: 3309004 (1967-03-01), Dry
patent: 3358876 (1967-12-01), Joosten et al.
patent: 3955705 (1976-05-01), Dubois et al.

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