Envelopes – wrappers – and paperboard boxes – Wrapper – Bottle
Patent
1980-01-24
1981-05-12
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Wrapper
Bottle
229 41R, B65D 510, B65D 536
Patent
active
042667160
ABSTRACT:
A carton with a pyramid-shaped bottom and a blank for forming same has a collapsible pyramid-forming bottom structure which is hingedly coupled to the bottom edges of the side wall panels of the carton. The bottom structure comprises four triangular bottom panels, each of which is hingedly coupled to the bottom edge of one of the side wall panels and pairs of which are hingedly coupled together. One panel of each of the pairs of bottom panels has a locking tab with an abutment edge for abutting the abutment edge of the other locking tab to retain the carton in an assembled configuration against the bias of the carton towards its collapsed configuration. This permits the carton to be shipped and stored in essentially flat, collapsed configuration and then easily rearranged to its assembled configuration by the application of inwardly directed forces against side edges of the flat, collapsed configuration of the carton.
REFERENCES:
patent: 1002346 (1911-09-01), Weeks
patent: 2017724 (1935-10-01), Neumann
patent: 3000496 (1961-09-01), Larson
patent: 3684157 (1972-08-01), Mendez
patent: 3824623 (1974-08-01), Arneson
patent: 3977594 (1976-08-01), Swan
patent: 4065047 (1977-12-01), Swan
patent: 4185764 (1980-01-01), Cote
Champion International Corporation
Moorhead Davis T.
Sommer Evelyn M.
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