Card and blister package
A card and blister package for small articles of commerce has a clear plastic blister piece, a card and a retainer piece. The blister walls form an article-receiving cavity and a plurality of upwardly projecting spaced-apart male prongs extending along the upper edge of the blister piece. A generally rectangular card has shaped perforations for receiving there-through the prongs of the blister piece and the retainer comprises a generally rectangular ring having a plurality of sockets for receiving the prongs of the blister piece, whereby the prongs can be engaged through the perforations, snapped into engagement with the ring sockets, and UV-activated adhesive on the engaged parts illuminated by UV light so as to bond to the ring to the blister to secure the package.
1. Field of the Invention
The present invention relates generally to apparatus and methods for packaging articles of commerce in card-and-blister packages.
2. Description of the Prior Art
Card and blister packages are widely used for packaging small articles of commerce. Typically such a package will have a clear plastic blister piece, i.e. an open topped enclosure having a flange that is bonded to the flat surface of a generally rectangular card commonly using ultrasonic or RF techniques. In spite of its popularity there remain some shortcomings with such packages. For example they are vulnerable to tampering since the card and blister interface can be defeated by pealing back the blister flange from the card or otherwise separating the two components.
SUMMARY OF THE INVENTIONIn view of the foregoing and other limitations it is a general object of the present invention to provide an improved card-and-blister package.
A more particular object is to provide a card-and-blister package that is strong, attractive, and resistant to tampering.
Yet another object is to provide such a package that lends itself advantageously to fast and efficient UV sealing technology.
These and other objects and advantages are provided by the present invention that comprises a card-and-blister package that includes a blister piece, a card, and a blister retainer ring.
The blister piece has walls that form an article-receiving cavity and includes an upper edge portion. The card is adapted to engage the blister upper edge perimeter portion to cover the cavity, and the ring is adapted to engage the blister perimeter portion to secure the card.
There is attachment means on the blister upper perimeter portion that, in one preferred embodiment, comprises a plurality of spaced apart upwardly projecting prongs. There is complementary attachment means on the ring that comprises a plurality of downwardly-opening socket elements spaced there-along for receiving the blister prongs. There are shaped perforations on the card whereby the prongs are engagable through them and pressed into engagement with the ring socket elements and adhesively bonded thereto to seal the package.
In a variant of the invention the ring has downwardly extending prongs that can engage upwardly opening socket elements located along the blister upper edge portion.
In another variant, the socket-equipped ring is hingedly attached to the blister upper edge portion in the fashion of a clamshell package, and it can be rotated to bring its sockets into engagement with the blister prongs, to secure the card and complete the package.
In another variant, a first and a second connector flap are hingedly connected to first and second opposing sides of the upper edge portion respectively of the blister, each flap having a male connecting feature on its distal end. The connector flaps can be engaged through spaced apart slots in the card, and then folded about 90 degrees along their hinge lines to hold the blister to the card. The ring has female features that can then engage the respective male features of the folded flaps and adhered thereto to secure the package.
A further variant, like the aforementioned variant, has a blister piece with pivotable flaps and a card with a pair of spaced slots that the flaps can extend through. The card of this version has a pair of additional slots through which the male features of the outwardly rotated flaps can protrude. The ring has elongate female sockets for engaging these male features to secure and seal the package.
Yet another variant of the invention includes a perforated card, and a retainer ring, and features an interchangeable “inner blister” or module, and a retainer for the module. The module has an article-receiving blister portion and a flange that extends around the upper perimeter of that portion. The module retainer has a generally flat major surface with a central opening adapted to snugly receive the blister portion of the module to stabilize it against lateral movement, and the flange which will engage the major surface to hold the module against relative outward movement. The outer periphery of the module retainer is characterized by a plurality of upwardly projecting prongs. With the module engaged in the module retainer, the prongs can be placed through the card perforations and engaged by and bonded to the socket elements of the retainer ring to secure the package.
BRIEF DESCRIPTION OF THE DRAWINGS
Referring now to the drawings,
The retainer ring 25 has a number of downwardly opening socket elements 27 that are arranged in corresponding relationship to the blister prongs 23 and are designed with conventional snap-lock features to receive and be snapped into engagement with the prongs.
The card portion 13 is comprised of a flat semi-rigid card-like sheet material such as a suitably strong compressed paper board, card board or plastic. Note that the perforations 16 are shaped and spaced so as to snugly receive the aforementioned blister prongs 23.
After articles of commerce are placed in the blister 17, the blister prongs 23 can be fully engaged through perforations 16 of card 13, and then the socket elements 27 of ring 25 snapped into engagement with the prongs 23. When liquid UV adhesive has been applied to the “proud points” of the prongs 23, the adhesive is spread over mutually engaged surfaces and UV illumination will cause the adhesive to instantly cure to secure the prongs to the ring cavities and seal the package.
A variant of the invention shown in
Accordingly
Yet another advantageous variant of the invention is shown in
Note the tabs 86 that extend from the perimeter 81 of card 83, and as
The hinged retaining ring 99 has frame member 101 that is equipped with socket elements 103 which are configured to engage the prongs 93 when ring 99 is rotated from the position shown in
Yet another variant 213 is illustrated in
While particular embodiments of the invention have been shown, it is not intended that the invention be limited thereto. Various modifications and variations of the invention will be evident to persons of ordinary skill in the art, given the benefit of this disclosure, and it is intended that the invention be given its full scope and breath as defined in the claims that follow.
Claims
1. A card-and-blister package for small articles of commerce, including:
- a) a blister piece having walls that define a cavity for receiving said articles of commerce, and an upper edge perimeter portion;
- b) a card member adapted to engage said blister upper edge portion to cover said cavity; and
- c) a retainer ring adapted to make engagement with said perimeter portion to secure said card.
2. A package as defined in claim 1 wherein said card has a plurality of perforations and wherein said ring has attachment means and said upper blister perimeter portion has attachment means and said ring and blister attachment means engage each other by way of said card perforations.
3. A package as defined in claim 2 wherein said ring attachment means includes socket elements and said blister attachment means includes prong elements for engaging said sockets.
4. A package as defined in claim 2 wherein said ring attachment means includes prong elements and said blister attachment means includes socket elements.
5. A package as defined in claim 3 wherein said card perforations are configured and spaced for receiving there-through said blister prong elements.
6. A package as defined in claim 4 wherein said card perforations are configured and spaced for receiving there-through said ring prong elements.
7. A package as defined in claim 5 wherein said perforations have edges that engage said prongs to hold said card against relative lateral movement.
8. A package as defined in claim 6 wherein said perforations have edges that engage said prongs to hold said card against relative lateral movement.
9. A package as defined in claim 2 wherein said retainer ring is attached by a hinge to said blister edge portion and whereby said ring can be rotated to bring its attachment means into engagement with said corresponding blister attachment means.
10. A package as defined in claim 2 wherein said card perforations include first and second spaced apart slots, and said blister attachment means includes first and second flaps pivotally attached respectively to opposing sides of said perimeter portion, and the distal end of each said flaps having a male connector element and said flaps adapted to be engaged through said slots, and said ring having socket elements configured to engage said flap male elements, whereby each of said flaps can be fully inserted through said slots respectively and rotated through about 90 degrees, whereby the ring socket elements can engage the flap male elements to secure the card to said blister.
11. A package as defined in claim 10 including first and second additional spaced apart slots adapted to receive there-through said flap male elements, whereby each said flap can be fully inserted through said slots and rotated through about 90 degrees, to bring said flap male elements into engagement with said first and second additional slots
12. A package as defined in claim 1 including an inner blister module having an article-receiving portion with sidewalls and a bottom, and a flange extending around the upper edge of said module article-receiving portion, wherein said blister piece has a generally flat major surface with an opening for receiving said module article-receiving portion, to hold said module against relative lateral movement, and the flange engaging said major surface to hold said module against outward movement, and said flat major surface holding said flange against said card.
Type: Application
Filed: Jul 11, 2007
Publication Date: Dec 20, 2007
Inventor: Paul Appelbaum (Huntington Beach, CA)
Application Number: 11/822,890
International Classification: B65D 73/00 (20060101);