초록 ▼

An improved locking means for display packages of the vacuum-formed type having a first section closable onto a second section to hold articles in an interior chamber formed therebetween and means for locking the sections in the closed position. The improvement comprises locking means having snap-en

An improved locking means for display packages of the vacuum-formed type having a first section closable onto a second section to hold articles in an interior chamber formed therebetween and means for locking the sections in the closed position. The improvement comprises locking means having snap-engaging male and female portions. The male portion is formed integrally with the first section and has a negative or zero draft sidewall that terminates in an outwardly projecting widened collar at its crown. A female portion is formed integrally with the second section and has a zero draft sidewall having a narrowed rim around its receiving opening. The widened collar resiliently snap-engages with said narrowed rim at spaced-apart contact points therebetween. The improved locking means is capable of releasably locking a display package in the closed position.

대표청구항 ▼

An improvement for plastic packages of the vacuum-formed type having a first package section closable with a second package section and having means for fastening the sections in a closed position, the improvement comprises locking means having at least one set of resiliently engageable male and fem

An improvement for plastic packages of the vacuum-formed type having a first package section closable with a second package section and having means for fastening the sections in a closed position, the improvement comprises locking means having at least one set of resiliently engageable male and female portions respectively integrally formed with said package sections, said male portion having a generally cylindrical side wall, said female portion having a side wall which is polygonal in cross section, the side walls of both said portions having non-positive draft, said male and female portions including engagement means adapted to resiliently contact each other during engagement at spaced-apart points.