Package lock
AssigneeOlinkraft, Inc.
InventorsGlen R. Harrelson, Earle C. Sherman
Life of this patent
Estimating the term…
Abstract
An improved package lock is disclosed that may be used in a folding carton package of the type having an inner and outer flap which are double locked together, that is with at least one primary lock utilized in combination with at least one secondary lock with the secondary lock functioning to keep the primary lock from disengaging. The subject invention comprises the inner flap having formed thereon a primary female lock adjacent to the edge of the inner flap and the inner flap also having formed adjacent and separate from the primary lock, a secondary male lock. The new and improved lock structure may be utilized for an end-loading type package and also for a wrap-around type package.
Claims21
In a folding carton package of the type having an inner and an outer flap double locked together, said flaps having an elongated edge thereon, the improvement comprising:
- a. the inner flap having formed thereon a primary female locking opening adjacent to the edge of the inner flap;
- and
- b. the inner flap also having formed thereon a secondary male locking tab located adjacent to and separate from said primary female locking opening.
An improved folding carton blank, comprising:
- a. a centrally positioned bottom;
- b. a pair of sides hingedly attached to said bottom;
- c. at least one of said sides having formed thereon a top;
- d. said sides having formed thereon and positioned on each side thereof an inner flap and an outer flap, each inner flap having formed thereon at least one secondary male locking tab and at least one primary female locking opening, each outer flap having formed thereon at least one primary male locking tab and at least one secondary female locking opening;
- and
- e. said secondary male locking tab being formed separate from and spaced a pre-determined distance from said primary female locking opening.
An improved folding carton blank comprising:
- a. a centrally positioned top;
- b. a plurality of sides, hingedly attached to said top;
- c. an inner flap hingedly attached to one of said sides with an outer flap hingedly attached to the other of said sides;
- d. one of said flaps having formed thereon a plurality of primary female locking openings and a plurality of secondary male locking tabs;
- e. the other of said flaps having formed thereon a plurality of primary male locking tabs and a plurality of secondary female locking openings;
- and
- f. said primary female locking openings being formed separate from and spaced apart at a pre-determined distance from said secondary male locking tabs.
Dependencies are inferred from the claim text.