Circular lid

Details Circular lid Circular lid

1976-04-26

1977-07-26

Moorhead, Davis T.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

215298, B65D 564, B65D 4300

Patent

active

040377768

ABSTRACT:
A circular lid is produced from a blank, which consists of a main circular portion from which projects at least one detachable tab. The tab provides a rectilinear trailing edge on the blank, which is adapted for contact by spaced lugs of a conveyor, so that when the blank is pushed through an associated machine by the lugs bearing thereupon, its rotational orientation is maintained. This ensures that registered, sequential operations can be performed on the blank, such as gluing, window film application, printing, and the like.

REFERENCES:
patent: 835850 (1906-11-01), Cohn
patent: 892086 (1908-06-01), Rese
patent: 945710 (1910-01-01), Doxsee
patent: 1172027 (1916-02-01), Lauderman et al.
patent: 1617783 (1927-02-01), Aicher
patent: 1744026 (1930-01-01), Baltzley
patent: 2101847 (1937-12-01), Gray
patent: 2310398 (1943-02-01), Cole

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