EP0447124A2 - Verriegelung durch Stanzen mit zwei Positionen für Kartone - Google Patents

Verriegelung durch Stanzen mit zwei Positionen für Kartone Download PDF

Info

Publication number
EP0447124A2
EP0447124A2 EP91301899A EP91301899A EP0447124A2 EP 0447124 A2 EP0447124 A2 EP 0447124A2 EP 91301899 A EP91301899 A EP 91301899A EP 91301899 A EP91301899 A EP 91301899A EP 0447124 A2 EP0447124 A2 EP 0447124A2
Authority
EP
European Patent Office
Prior art keywords
locking
tab
aperture
locking tab
base
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.)
Withdrawn
Application number
EP91301899A
Other languages
English (en)
French (fr)
Other versions
EP0447124A3 (en
Inventor
Philippe Marie
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.)
Mead Corp
Original Assignee
Mead Corp
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
Application filed by Mead Corp filed Critical Mead Corp
Publication of EP0447124A2 publication Critical patent/EP0447124A2/de
Publication of EP0447124A3 publication Critical patent/EP0447124A3/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4279—Joints, seams, leakproof joints or corners, special connections between panels

Definitions

  • This invention relates to a panel interlocking arrangement comprising a two position punch lock for cartons and to cartons, particularly foldable wrappers, having such interlocking means.
  • Known wrappers often comprise a paperboard blank which has a top wall panel, two side wall panels and two base panels hinged together by means of fold lines.
  • One of the base panels has locking tabs which can be folded up from that base panel for engagement in associated locking apertures in the other base panel, the locking tabs then being supported in position by retaining tabs which are folded up from the edges of the locking apertures.
  • EP-A-0 275 200 discloses a panel interlocking means for securing together a pair of panels in overlapping relationship which includes a locking tab struck from one of the panels arranged to be driven through a locking aperture struck from the other panel.
  • Each lateral edge of the locking tab is formed with a plurality of deformable marginal portions provided by a series of cuts.
  • the marginal portions are selectively deformable by engagement with the opposed lateral edges of the locking aperture dependent upon the extent to which the locking tab is driven into the locking aperture.
  • the locking tab may be locked in the locking aperture in a plurality of selected positions.
  • the present invention does offer a panel interlocking means for application where space is at a premium, i.e. in situations where the area of paperboard available to place panel locking means is limited.
  • One aspect of the present invention provides panel interlocking means for securing together a pair of panels in overlapping relationship comprising a locking tab struck from one of the panels and a locking aperture provided in the other of said panels and arranged to receive and retain said locking tab, said locking tab being hinged to said one panel at a base and having a nose remote from the base, said locking aperture comprising spaced lateral edges, characterized in that said locking tab has opposed lateral edges one of which edges comprises a shoulder portion disposed between said base and said nose, the width across said locking tab at each shoulder being broader than the greatest width of said locking aperture and the width at the extremity of said nose being narrower than the least width of said locking aperture, each lateral edge being formed with a deformable marginal portion formed by a cut extending inwardly from said lateral edge said marginal portion being deformed by engagement with the adjacent lateral edge of the locking aperture to lock the locking tab in the locking aperture.
  • one lateral edge of the locking tab may be defined by a straight and uninterrupted cut which is generally aligned with the co-operating edge of said locking aperture when the locking tab is positioned for locking in said locking aperture.
  • both lateral edges of the locking tab may comprise a shoulder portion, both said shoulder portions extending beyond the respective co-operating edges of said locking aperture when the locking tab is positioned for locking in said locking aperture.
  • said cut may be formed in each shoulder portion and extends inwardly from the lateral edge of said shoulder portion.
  • said cut may be formed intermediate each shoulder portion and said nose.
  • said nose may be exposed at a lateral edge of said one panel.
  • the cut lines in the respective shoulder portions may be generally aligned with one another.
  • the cut lines are convergent in a direction towards the base of said locking tab.
  • the locking aperture may be defined by a retaining tab arranged to support the tab in a locked position within the locking aperture, said retaining tab being hinged to said other panel at a base which is spaced from the base of the locking tab when said locking tab is positioned for locking by means of each shoulder cut in the locking aperture.
  • Another aspect of the invention provides a blank for forming a carton including a pair of panels which are secured in overlapping relationship when the carton is assembled, said pair of panels having panel interlocking means according to any of the preceding claims.
  • the wrapper 10 is formed from a blank of paperboard or similar foldable sheet material and comprises, in series, a first base panel 12, a first side wall panel 14, a top wall panel 16, a second side wall panel 18 and a second base panel 20 hinged one to the next along fold lines 22-28.
  • upper and lower portions of the side wall panels are formed with openings for receiving portions of articles e.g. neck and heel portions of bottles to be packaged.
  • the base panels include triangular handling openings "A" used to draw the two base panels towards one another into overlapping relationship prior to locking.
  • each locking tab includes opposed parallel lateral edge parts 32, 34, respectively, which comprise straight and uninterrupted cut lines; a base part 36 by which the tab is hinged to the base panel 12 and an opposed leading nose portion 38.
  • a series of retaining tabs 40 is struck from the other base panel 20 adjacent its free edge and each retaining tab defines a locking aperture 42 at locations arranged so as to correspond with the locking tabs 30 when the wrapper is formed.
  • Each locking aperture 42 has opposed lateral edges 44, 46, respectively.
  • Figure 1 shows that when the wrapper is formed and the base panels 12, 20 interlocked, the locking tabs 30 are driven into the locking apertures 40 where they are supported in this position by the retaining tabs.
  • the particular form of the locking tabs can be seen in Figures 2, 3 and 4.
  • each locking tab form shoulder portions of the tab and constitute the broadest part of the tab disposed intermediate its base 36 and its nose 38.
  • the forward lateral edges 32a, 34a, respectively, of the tab converge towards the rounded nose 38 which is narrower than the broadest part of the locking aperture.
  • the rearward lateral edges 32b, 34b, respectively, of the tab converge towards the base 36 which comprises a fold line or, at least a notional foldable stip between the extremities of the rearward lateral edges about which the locking tab is foldable relative to base panel 12.
  • Each of the shoulder portions of the locking tab is formed with a single cut line C1 and C2 respectively.
  • Each cut line has a first portion P1 which meets the associated lateral edge of the tab at an angle of 90 degrees and a second contiguous portion P2 which is directed towards the hinged base 36 of the tab at an angle which is greater than 90 degrees with respect to the first portion.
  • the angle subtended between the first and second portions of each cut line is substantially 135 degrees.
  • the first portions are parallel to the hinged base whereas the second portions are convergent towards the base of the tab.
  • the ends of the cut lines remote from the shoulder portions of the tabs are connected by a fold line 48 or at least a strip of the tab which is readily foldable.
  • the shoulder portions of the tab can be deformed in that the forward lateral edges and the nose of the tab can be displaced together relative to the rearward lateral edges and the base to engage the tab in a locking aperture.
  • each locking aperture 42 diverge towards the base of the associated retaining tab 40. These edges may be parallel at their ends remote from the base of each retaining tab as can be seen by the broken lines in Figure 2.
  • the breadth (as measured between the opposed lateral edges) of each locking aperture is selected so that it is approximately in alignment with the "roots" of the cuts in the deformable shoulder portions of a locking tab i.e. the distance of fold line 48 across the ends of opposed cut lines is approximately equal to the breadth of the locking aperture at the location at which locking is to take place.
  • each locking tab 30 is caused to penetrate into a corresponding locking aperture nose first and thereby displace the retaining tab. Since the breadth of the locking tab is greater than that of its locking aperture as measured across the opposed shoulder portions forward lateral edges of the locking tab are displaced by abutment against the lateral edges of the locking aperture until the nose, the forward lateral edges and forward parts of the shoulder portions of the locking tab are engaged between the locking edges of the locking aperture adjacent one (the inner) face of base panel 20 whereas the remaining part of that locking tab is disposed adjacent the opposite (outermost) face of base panel 20 so that the lateral edges of the locking aperture are received in the shoulder cuts of the locking tab.
  • Figure 3 shows the locking tab less than fully inserted into the locking aperture to an intermediate locked position whereby the wrapper girth will have a dimension somewhere between its maximum and minimum girth dimension.
  • the relative position of the base panels which dictates the extent to which the locking tabs are engaged is set by the articles to be packaged.
  • Figure 4 shows the locking tab fully inserted into the retaining tab in which case the rearward lateral edges 32b, 34b are engaged with the lateral (locking) edges of the locking aperture whereby the whole of the locking tab is disposed adjacent that face of base panel 20 which is remote from the face overlapped with base panel 12.
  • the divergent portion of the retaining tab provides a broader initial entry portion in the locking aperture for the locking tab which also facilitates insertion of the locking tab, particularly because the nose and forward lateral edges of the locking tab are of lesser breadth than that of the divergent portion of the retaining tab.
  • the nose and forward lateral edges of the locking tab are exposed at the free edge of base panel 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
  • Stackable Containers (AREA)
EP19910301899 1990-03-13 1991-03-07 Two position punch lock for cartons Withdrawn EP0447124A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9005611 1990-03-13
GB909005611A GB9005611D0 (en) 1990-03-13 1990-03-13 Two positions punch lock for cartons

Publications (2)

Publication Number Publication Date
EP0447124A2 true EP0447124A2 (de) 1991-09-18
EP0447124A3 EP0447124A3 (en) 1992-01-22

Family

ID=10672522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910301899 Withdrawn EP0447124A3 (en) 1990-03-13 1991-03-07 Two position punch lock for cartons

Country Status (10)

Country Link
EP (1) EP0447124A3 (de)
JP (1) JPH05170261A (de)
KR (1) KR920017911A (de)
AU (1) AU644135B2 (de)
GB (1) GB9005611D0 (de)
IE (1) IE910834A1 (de)
IL (1) IL97408A0 (de)
MY (1) MY106911A (de)
NZ (1) NZ237231A (de)
PT (2) PT97028A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824537A1 (fr) * 2001-05-10 2002-11-15 Ar Carton Fegersheim Structures d'interverrouillage entre deux panneaux superposes d'un flan de decoupe utilise pour l'enveloppement d'un lot de contenants et son procede de fermeture
WO2014093185A1 (en) * 2012-12-10 2014-06-19 Meadwestvaco Packaging Systems, Llc Locking arrangement, carton, blank and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361331A (en) * 1965-08-24 1968-01-02 Continental Can Co Adjustable lock for carton
US3395791A (en) * 1967-02-27 1968-08-06 Olinkraft Inc Automatically adjustable lock device
FR1596989A (de) * 1968-03-26 1970-06-22
FR2418158A1 (fr) * 1978-02-23 1979-09-21 Mead Corp Dispositif d'emballage a flan de carton ou analogue
EP0275200A2 (de) * 1987-01-14 1988-07-20 The Mead Corporation Einrichtung zum Ineinandergreifen von Platten

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361331A (en) * 1965-08-24 1968-01-02 Continental Can Co Adjustable lock for carton
US3395791A (en) * 1967-02-27 1968-08-06 Olinkraft Inc Automatically adjustable lock device
FR1596989A (de) * 1968-03-26 1970-06-22
FR2418158A1 (fr) * 1978-02-23 1979-09-21 Mead Corp Dispositif d'emballage a flan de carton ou analogue
EP0275200A2 (de) * 1987-01-14 1988-07-20 The Mead Corporation Einrichtung zum Ineinandergreifen von Platten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824537A1 (fr) * 2001-05-10 2002-11-15 Ar Carton Fegersheim Structures d'interverrouillage entre deux panneaux superposes d'un flan de decoupe utilise pour l'enveloppement d'un lot de contenants et son procede de fermeture
WO2014093185A1 (en) * 2012-12-10 2014-06-19 Meadwestvaco Packaging Systems, Llc Locking arrangement, carton, blank and method

Also Published As

Publication number Publication date
EP0447124A3 (en) 1992-01-22
KR920017911A (ko) 1992-10-21
PT8666T (pt) 1993-06-30
AU7200991A (en) 1991-09-19
IE910834A1 (en) 1991-09-25
AU644135B2 (en) 1993-12-02
GB9005611D0 (en) 1990-05-09
JPH05170261A (ja) 1993-07-09
NZ237231A (en) 1993-09-27
MY106911A (en) 1995-08-30
PT8666U (pt) 1995-12-29
IL97408A0 (en) 1992-06-21
PT97028A (pt) 1993-03-31

Similar Documents

Publication Publication Date Title
EP1025018B1 (de) Verriegelungsmittel für wandungen
US5975286A (en) Panel interlocking arrangement having means for pressing locking tab wings
US6315123B1 (en) Carton with panel locking means
EP1091889B1 (de) Verriegelungseinrichtung an seitenwänden
US6289651B1 (en) Panel interlocking means for cartons
EP0464960B1 (de) Verriegelungsmittel für Wandungen
CA2136199A1 (en) Wraparound carton lock
US6997372B2 (en) Wrap-around carrier sleeve with improved article retaining feature
US5924628A (en) Interlocking arrangement for panels having alignment tongue
EP0447124A2 (de) Verriegelung durch Stanzen mit zwei Positionen für Kartone
EP1015346B1 (de) Wandverriegelung an kartons
EP0275200B1 (de) Einrichtung zum Ineinandergreifen von Platten
US4869423A (en) Panel interlocking arrangement
EP1848645B1 (de) Verriegelungsmittel für schachtelflächen
EP1098822B1 (de) Verriegelungsmittel fuer kartonwände
EP0150117B1 (de) Verriegelungsmittel für Wandungen
EP0958191B1 (de) Verriegelungsmittel für wandungen für kartons
MXPA00011639A (es) Arreglo de trabado para paneles

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE DE DK ES FR GB GR IT NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE DE DK ES FR GB GR IT NL SE

17P Request for examination filed

Effective date: 19920720

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THE MEAD CORPORATION

17Q First examination report despatched

Effective date: 19940208

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19950503