EP0935569A1 - Three-dimensional insert construction - Google Patents

Three-dimensional insert construction

Info

Publication number
EP0935569A1
EP0935569A1 EP97946474A EP97946474A EP0935569A1 EP 0935569 A1 EP0935569 A1 EP 0935569A1 EP 97946474 A EP97946474 A EP 97946474A EP 97946474 A EP97946474 A EP 97946474A EP 0935569 A1 EP0935569 A1 EP 0935569A1
Authority
EP
European Patent Office
Prior art keywords
insert
cardstock
coating
continuous web
side edges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97946474A
Other languages
German (de)
French (fr)
Other versions
EP0935569B1 (en
Inventor
Carol Joyce Witt
Anthony J. Nowakowski
Gretchen J. Abel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/876,611 external-priority patent/US5803261A/en
Application filed by Individual filed Critical Individual
Publication of EP0935569A1 publication Critical patent/EP0935569A1/en
Application granted granted Critical
Publication of EP0935569B1 publication Critical patent/EP0935569B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/40Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
    • B65D75/44Individual packages cut from webs or tubes
    • B65D75/46Individual packages cut from webs or tubes containing articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D73/00Packages comprising articles attached to cards, sheets or webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/54Cards, coupons, or other inserts or accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents

Definitions

  • the present invention generally relates to the packaging art, and more
  • Packaging apparatus particularly adapted for handling inserts or
  • That patent describes an apparatus and system that receives a continuous perforated
  • timing circuitry On signals provided by timing circuitry.
  • the additional rigidity provided by the cardstock adds desired stiffness to the
  • porous paper backer is, inherently, not well suited
  • the present invention provides these and other additional objects with
  • a three-dimensional insert comprising a piece of cardstock or paperboard (hereinafter
  • cardstock defined by first and second opposed ends and first and
  • thermosealable, olefm coating or film is applied to the top
  • overwrap material is contacted with the coating and is
  • Fig. 1 is an isometric view of first and second inserts provided in a continuous
  • Fig. 2 illustrates a piece of cardstock with an thermosealable coating on the
  • FIG. 3 is a sectional view of the insert shown in Fig. 1 taken along the lines 3-3.
  • the present invention relates to an insert used in a packaging
  • the insert is particularly suited for handling by automated processing
  • Such equipment is adapted to engage the
  • peripheral side edges of the insert while a three-dimensional object located in the
  • central portion of the insert passes between the sets of rolls to enable handling of
  • the three-dimensional objects various types of three-dimensional objects.
  • the three-dimensional objects various types of three-dimensional objects.
  • the three-dimensional objects are various types of three-dimensional objects.
  • the three-dimensional objects are various types of three-dimensional objects.
  • the three-dimensional objects are various types of three-dimensional objects.
  • the three-dimensional objects are various types of three-dimensional objects.
  • dimensional object may be a premium, prize or a package component that is intended
  • a container such as a cereal box, bag or pouch.
  • a container such as a cereal box, bag or pouch.
  • insert may be a packet of flavoring or seasoning that is intended to be placed into a
  • Fig. 1 is an isometric view of first and second inserts or coupons 10, 12
  • lOp, 12p may be prizes or the like provided in cereal boxes, bread wrappers or other
  • the pieces lOp, 12p may be small packages which
  • the inserts 10, 12 are preferably provided in a continuous perforated
  • Fig. 2 illustrates a relatively flat piece 20 of cardstock, paperboard or
  • the cardstock piece provides structural support for
  • the cardstock piece is defined by a pair of opposed ends 20e, a pair of
  • Fig. 2 also shows the cardstock piece 20 having
  • thermosealable coating 22 applied to the entire top surface of the cardstock.
  • the coating 22 is an olefm-based material or other material having suitable
  • thermo-sealing characteristics are thermo-sealing characteristics.
  • the surface of card 20 may be coated with heat
  • sealable olefm-based material strips that extend the lengthwise dimension of the piece
  • top surface of the cardstock piece in other forms, such as in the form of spaced lands
  • overwrap material 26 are surrounded by a plastic overwrap material such as overwrap material 26.
  • the overwrap material may be utilized to circumscribe the object and
  • the cardstock 20 to provide a barrier with the outside such as an aseptically packaged insert.
  • the overwrap material ends 26e are heat sealed together to provide
  • transverse band which is then perforated or otherwise weakened proximate to the
  • the sides 26s of the overwrap material are also preferably
  • cardstock piece 20 to completely enclose the three-dimensional object.
  • thermo-sealable coating on the surface of the cardstock at locations proximate to the
  • the overwrap material is one of side edges of the cardstock piece.
  • the overwrap material is one of side edges of the cardstock piece.
  • the coating is fabricated of the same material as the coating, for example an olefm-based material.
  • the overwrap may be fabricated of a different material so long as its
  • the three-dimensional object such as a promotional piece
  • separating the forwardmost coupon is disposed between the pairs of feed rolls and the
  • burst rolls At the desired time, the burst rolls are rotated at relative angular speed
  • the insert provides improved structural integrity as

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Laminated Bodies (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Finishing Walls (AREA)
  • Toys (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Packages (AREA)

Abstract

A three-dimensional insert for use in a handling system comprising a sheet of cardstock or the like defined by ends and first and second sides, a laminate applied to the top surface of the cardstock, and an overwrap material bonded to the laminate proximate to the first and second sides. This structure enables a three-dimensional object to be placed within the overwrap material without risk of movement to the peripheral sides.

Description

THREE-DIMENSIONAL INSERT CONSTRUCTION
Technical Field
The present invention generally relates to the packaging art, and more
particularly, to a three-dimensional insert construction provided in a continuous web
of inserts that may readily be handled by automated packaging equipment or the like.
Background Art
Packaging apparatus particularly adapted for handling inserts or
coupons provided in the continuous perforated web are known in the art from, for
example, U.S. Patent No. 5,079,901, assigned to the assignee of the present invention.
That patent describes an apparatus and system that receives a continuous perforated
web of coupons, provides a forwardmost coupon between pairs of feed rolls and burst
rolls, and at a desired time, separates the forwardmost coupon from the continuous
web by applying a bursting tension to a transverse perforation separating the
forwardmost coupon from the next succeeding coupon. The separated coupon is then
passed to a point of insertion at a desired time such as into a moving container based
on signals provided by timing circuitry.
Other insertion handling apparatus are known such as that described in
U.S. Patent No. 5,549,233. That patent describes an insert handling system that
processes three-dimensional piece inserts with the use of laterally-spaced pairs of
rolls. This configuration enables the three-dimensional aspect of the insert to be
"passed through" the handling apparatus intermediate to the spaced sets of rolls.
However, problems may occur with these equipment types where the projected piece insert requires a flat area to be used to drive the piece either for bursting or for
projection of an individual piece into a container or the like.
One attempt to overcome this problem has been to provide an insert
that utilizes a piece of rigid cardstock or the like together with a three-dimensional
item. The additional rigidity provided by the cardstock adds desired stiffness to the
insert or to use stiffer films. However, it does not overcome the problem of the packet
or prize being laterally displaced to the peripheral sides of the cardstock during
storage or handling and interfering with the rollers utilized in the burst operation.
This is particularly problematic when a relatively high throughput of inserts is
required, requiring frequent stoppages of the processing line. Other approaches have
included the use of glue applied to the cardstock to secure the object in a desired
location on the cardstock and/or the object. While this approach solves the problem
of lateral movement of the three-dimensional object, it dramatically increases the
manufacturing cost of the insert. In addition, proper alignment of the object with the
glued portion of the cardstock is often problematic. The residual glue on the object
may also be undesirable to the end user.
Yet another approach is referred to as "skin pack," in which plastic
film is attached to a porous paper backer material through which a vacuum is drawn to
conform the film to the item to be packaged. Although this method also solves the
problem of lateral movement, the porous paper backer is, inherently, not well suited
for most permeability requirements of food-contact inserts. Disclosure of Invention
Accordingly, it is a general object of the invention to overcome the
deficiencies of the prior art.
It is a further object of the present invention to provide a three-
dimensional insert which is easily fabricated at acceptable cost, while enabling ready
handling in a coupon-handling system.
The present invention provides these and other additional objects with
a three-dimensional insert comprising a piece of cardstock or paperboard (hereinafter
referred to as cardstock) defined by first and second opposed ends and first and
second opposed sides. A thermosealable, olefm coating or film is applied to the top
surface of the cardstock. An overwrap material is contacted with the coating and is
bonded therewith to provide a seal between the overwrap material and the surface of
the cardstock. This arrangement presents relatively consistent surfaces that are readily
grasped by coupon processing equipment. In this way, a prize or other three-
dimensional object is retained in the overwrap without moving toward the peripheral
sides utilized in handling the insert.
Brief Description of Drawings
Fig. 1 is an isometric view of first and second inserts provided in a continuous
web of inserts according to the present invention.
Fig. 2 illustrates a piece of cardstock with an thermosealable coating on the
cardstock. Fig. 3 is a sectional view of the insert shown in Fig. 1 taken along the lines 3-3.
Modes for Carrying Out the Invention
Generally, the present invention relates to an insert used in a packaging
application. The insert is particularly suited for handling by automated processing
equipment such as that disclosed in U.S. Patent No. 5,549,233, the subject matter of
which is incorporated herein by reference. Such equipment is adapted to engage the
peripheral side edges of the insert while a three-dimensional object located in the
central portion of the insert passes between the sets of rolls to enable handling of
various types of three-dimensional objects. By way of example, the three-
dimensional object may be a premium, prize or a package component that is intended
to be inserted into a container such as a cereal box, bag or pouch. Alternatively, the
insert may be a packet of flavoring or seasoning that is intended to be placed into a
container, while remaining physically separated from the remaining contents of the
container.
Fig. 1 is an isometric view of first and second inserts or coupons 10, 12
provided in a continuous web or stream of inserts. In the preferred embodiment, each
of the inserts 10, 12 includes a three-dimensional piece or object lOp, 12p which will
ultimately be placed within a container or the like. By way of example, the objects
lOp, 12p may be prizes or the like provided in cereal boxes, bread wrappers or other
suitable containers. Alternatively, the pieces lOp, 12p may be small packages which
are utilized in food packaging or other similar applications. The inserts 10, 12 are preferably provided in a continuous perforated
web format and are separated from each other by a perforation 14 disposed to extend
transversely to the web which connects inserts 10, 12 together. The remaining inserts
in the web are similarly connected to each other.
Fig. 2 illustrates a relatively flat piece 20 of cardstock, paperboard or
other material having a suitable rigidity to withstand processing by automated
handling equipment. In this way, the cardstock piece provides structural support for
the insert. The cardstock piece is defined by a pair of opposed ends 20e, a pair of
opposed sides 20s, and a top surface. Fig. 2 also shows the cardstock piece 20 having
a thermosealable coating 22 applied to the entire top surface of the cardstock.
Preferably, the coating 22 is an olefm-based material or other material having suitable
thermo-sealing characteristics.
Alternatively, a pair of strips of coating or other adhesive (not shown)
may be applied to the peripheral edges of the cardstock piece 20, preferably proximate
to the sides 20s. In this embodiment, the surface of card 20 may be coated with heat
sealable olefm-based material strips that extend the lengthwise dimension of the piece
20 between ends 20e. It should also be understood that the coating may applied to the
top surface of the cardstock piece in other forms, such as in the form of spaced lands
or the like.
The cardstock piece 20 with thermo-sealable coating and object lOp
are surrounded by a plastic overwrap material such as overwrap material 26. For
example, the overwrap material may be utilized to circumscribe the object and
cardstock 20 to provide a barrier with the outside such as an aseptically packaged insert. Preferably, the overwrap material ends 26e are heat sealed together to provide
a transverse band which is then perforated or otherwise weakened proximate to the
ends 20e of the cardstock. The sides 26s of the overwrap material are also preferably
heat sealed or otherwise bonded or affixed to the lateral sides of the top surface of the
cardstock piece 20 to completely enclose the three-dimensional object. One
alternative method for engaging the overwrap material with the lateral sides of the top
surface of the cardstock 20 is with the use of rollers or the like which provides a
suitable compressive forces to the overwrap material and coating to provide a seal
therebetween. In any event, a seal is provided between the overwrap material and the
thermo-sealable coating on the surface of the cardstock at locations proximate to the
side edges of the cardstock piece. In the preferred embodiment, the overwrap material
is fabricated of the same material as the coating, for example an olefm-based material.
However, the overwrap may be fabricated of a different material so long as its
bonding characteristics are such that it will be readily secured with the coating on the
top surface of the cardstock upon the application of heat and/or compressive forces
applied to the lateral edges of the cardstock piece.
Accordingly, the three-dimensional object such as a promotional piece
or packet is prevented from being laterally moved or dislodged toward the peripheral
side edges of the insert and is kept away from the handling equipment. In addition,
this arrangement presents relatively flat, uniform side surfaces which are the portions
of the insert to be handled by the processing equipment.
As described in U.S. Patent No. 5,549,233, the web of inserts is
presented to handling apparatus which engages the sides of the insert. In this regard, spaced pairs of feed rolls engage the side edges of the forwardmost insert in the web
and pass the coupon downstream to a pre-dispense location, preferably such that the
forwardmost coupon is engaged by spaced pairs of burst rolls while the perforation
separating the forwardmost coupon is disposed between the pairs of feed rolls and the
burst rolls. At the desired time, the burst rolls are rotated at relative angular speed
greater than that of the feed rolls to apply a bursting tension to the perforation
between the forwardmost coupon and the next succeeding coupon to disengage the
forwardmost coupon from the remainder of the web and to position the coupon into a
container or the like. In this way, three-dimensional inserts of the type described
above may be readily placed into containers.
Accordingly, a three-dimensional insert meeting the aforestated
objectives has been described. The insert provides improved structural integrity as
well as improved handleability. While the invention has been described in terms of
the best mode currently contemplated, those skilled in the art will appreciate that
various modifications may be made without departing from the spirit and scope of the
invention, as defined by the appended claims.

Claims

Claims
1. An insert adapted for use in conjunction with packaging apparatus
comprising:
a three-dimensional object;
a piece of cardstock including a top surface defined by first and second ends
and first and second side edges;
a thermo-sealable coating applied to at least a portion of the top surface of the
piece of cardstock; and
an overwrap material circumscribing the three-dimensional object and the
cardstock, the overwrap material being in sealing relation with the coating proximate
to the first and second side edges to prevent lateral movement of the three-
dimensional object toward the side edges of the cardstock.
2. The insert as in claim 1 wherein the coating extends the lengthwise
dimension of the cardstock.
3. The insert as in claim 1 or 2 wherein the overwrap material is heat-
applied to the coating.
4. The insert as in claim 1, 2 or 3 wherein the overwrap material is heat-
sealed proximate the ends of the cardstock to provide a relatively flat transverse band
surface.
5. The insert as in claim 4 wherein the relatively flat transverse band
surface interconnects the insert with a second insert provided in a continuous web, the
transverse band including a perforation formed therein.
6. The insert as in claim 1, 2, 3, 4 or 5 wherein the coating comprises an
olefm-based thermo-sealable material.
7. The insert of claims 1, 2, 3, 4, 5 or 6 wherein the coating is applied
only to the periphery of the cardstock.
8. The insert of claim 7 wherein the coating is applied only proximate the
side edges.
9. The insert of claims 1 , 2, 3, 4, 5 or 6 wherein the coating is applied to
substantially all of the top surface.
10. A continuous web of a plurality of three-dimensional inserts adapted
for handling by automated packaging apparatus, each insert in the web comprising:
a three-dimensional object;
a piece of cardstock including a top surface, first and second ends, and first
and second side edges; a coating applied to at least a portion of the top surface of the cardstock; and
an overwrap material in surrounding relation to the three-dimensional object
and to the cardstock, the overwrap material being in heat-sealing engagement with the
coating proximate to the first and second side edges to present opposed, relatively flat
side surfaces engageable with the packaging apparatus.
11. The continuous web as in claim 10 wherein the coating comprises a
thermo-sealable olefm-based material.
12. The continuous web as in claim 11 wherein the overwrap material is
heat-sealed proximate to the ends of the cardstock to provide a relatively flat
transverse band connecting one insert in the web with a succeeding insert in the web.
13. The continuous web as in claim 12 wherein the transverse band has a
weakened portion formed therein.
14. The continuous web as in claim 13 wherein the weakened portion is a
perforation.
15. The continuous web of claims 10, 11, 12, 13 or 14 wherein the coating
is applied only to the periphery of the cardstock.
16. The continuous web of claim 15 wherein the coating is applied only
proximate the side edges.
17. The continuous web of claims 10, 11, 12, 13 or 14 wherein the coating
is applied to substantially all of the top surface.
EP97946474A 1996-10-31 1997-10-30 Three-dimensional insert construction Expired - Lifetime EP0935569B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US876611 1992-04-30
US74278596A 1996-10-31 1996-10-31
US742785 1996-10-31
US08/876,611 US5803261A (en) 1996-10-31 1997-06-16 Three dimensional insert construction
PCT/US1997/019961 WO1998018693A1 (en) 1996-10-31 1997-10-30 Three-dimensional insert construction

Publications (2)

Publication Number Publication Date
EP0935569A1 true EP0935569A1 (en) 1999-08-18
EP0935569B1 EP0935569B1 (en) 2001-01-03

Family

ID=27114053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97946474A Expired - Lifetime EP0935569B1 (en) 1996-10-31 1997-10-30 Three-dimensional insert construction

Country Status (12)

Country Link
US (1) USRE37910E1 (en)
EP (1) EP0935569B1 (en)
JP (1) JP2002500598A (en)
AT (1) ATE198458T1 (en)
AU (1) AU735100B2 (en)
BR (1) BR9712712A (en)
CA (1) CA2273966A1 (en)
DE (1) DE69703848T2 (en)
ES (1) ES2154911T3 (en)
IL (1) IL129708A (en)
TR (1) TR199900961T2 (en)
WO (1) WO1998018693A1 (en)

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JP2002500598A (en) 2002-01-08
WO1998018693A1 (en) 1998-05-07
DE69703848D1 (en) 2001-02-08
BR9712712A (en) 2000-10-24
CA2273966A1 (en) 1998-05-07
AU5163398A (en) 1998-05-22
TR199900961T2 (en) 2001-03-21
AU735100B2 (en) 2001-06-28
DE69703848T2 (en) 2001-07-19
ATE198458T1 (en) 2001-01-15
ES2154911T3 (en) 2001-04-16
IL129708A0 (en) 2000-02-29
USRE37910E1 (en) 2002-11-26
EP0935569B1 (en) 2001-01-03
IL129708A (en) 2001-12-23

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