US2358790A

US2358790A - Captive cover carton

Info

Publication number: US2358790A
Application number: US431521A
Authority: US
Inventors: Herman A Carruth
Original assignee: NAT FOLDING BOX CO
Current assignee: NAT FOLDING BOX CO; NATIONAL FOLDING BOX Co
Priority date: 1942-02-19
Filing date: 1942-02-19
Publication date: 1944-09-26
Anticipated expiration: 1961-09-26
Also published as: FR1266476A

Description

Sept. 26, 1944. H. A. cARRuT'l-l 2,353,790

cAPTIvE covEn CARTON Filed Feb. 19, 1942 v 2 sheets-sheet 1 .19 IN1/Emol@ l 4-Iferffmw H. 'arraf/L y www/@zz afro/MEX Sept. 26, 1944. H. A. cARRuTH cAPTIvE covnR CARTON Fl'ed Feb. 19, 194g 2 Sheets-Sheet 2 'lll/n 11111111" f INVENTOR.

Herman d fuffa/lz Il. y

Patented Sept. 26, 1944A 'UNIT-*ED i STATES PATENT OFFICE cAr'rivE oovEn cAnrroN Herman A. Carruth, Northford, Conn., assigner to National Folding Box-Company, New Haven,

Conn., a corporation of New Jersey l Application February 19, 1942, serial No. 431,521

(craze- 43) 14,- Claims.

This invention relates to captive cover cartons, and more particularly to that type of carton which has a cover part hingedly connected to the box or containing part so that the cover part may be telescoped over-the open end ofthe box part to close the same. i

Captive cover cartons which have been commonly used are so constructed that the cover part has the same circumferential dimensions as the box part to which it is hinged, so that the lower edge of the cover part rests upon the top edge of the box part. Such cartons require insertion of a `tubular sleeve or collar within-the box part over which the enclosing walls of the cover part may telescope to retain the cover part in be easily removed after the carton has been glud in assembled form.

Another object of this invention'is to provide an improved tubular shell from which a captive cover carton may be economically assembled.

Another object of this invention is to provide an improved captive cover carton whose parts are so arranged as to permit high speed automatic assembly thereof.

Other lobjects of this invention will become apparent as the disclosure proceeds.

Although the novel features which are believed to be characteristic of this invention will be particularly pointed out in the claims appended closed position by the frictional engagement be- 1 tween the enclosing walls of the cover part Vand the upper end of the sleeve or collar. Such cartons require considerable additional paperboard to provide the -tubular sleeve or collar and the assembly and insertion cost of the tubular sleevev or collar is so great as to make this type of captive 'cover carton so expensive that its use'has been Y limited to the packaging ci. vrelatively costly goods. l

In accordance with my invention, the complete captive cover carton is made from a one-piece paperboard blank which is substantially rectam guiar in outline and. from which the complete box part, the telesooping cover .part and the connecting'hinging section are formed. The wallforming panels, tabs, closure naps and glue flaps.

as well as the cut and score lines, are soV ar.

ranged and integrated with referenceto one another that the one-piece blank may be assem of method steps which can be automatically -.per' formed at a high rate ofproduction speed.

An object of this invention is to provide an improved one-piece. paperboard blank of substantially rectangular outline from which a carton Y having a hinging cover part adapted to'telescope over a box part may easily` and economically assembled. Y

Another object of this invention is to provid an improved one-piece paperboard blank having Y covercarton fromtheblank butwhichpartscan 55 ingsandthe specification.

hereto, the invention itself, as toits objects and advantages and the manner in which it may be carried out, may be better understood by referring to the following description taken in connection with the accompanying drawingsforming a part thereof, iii which:

Fig. 1 is a plan `view of the inside face of a I -prepared blanlefrom which the captive cover carton is'formed;

Fig. 2 is a perspective view of the paperboard blank shown in 1 assembled into the form of a collapsed tubular shell;

Fig. 3 is a perspective view ofthe collapsed tubular shell with the temporary sections which Y connect the front panel and. one side wall panel Vbled intca completed cartonvby a simple series of the box part tothe corresponding front panel and side wall .panel of the cover part removed;

Fig. 4is a perspective view of the tubular shell expanded and erected from its collapsed position; Fig. 5 is a perspective fview, of the erected-shell showing the mannerln which a wrapped article j ofmerchandise may be `telescoped therein;

Fig. 6 is a perspective view of the assembled carton having the end walls thereof closed and sealed, with the wrapped'article extending into 'both the cover part andthe box part of the carton; Y

Fig.'7 is a perspective view of the fully assem'f fbled carton with the cover part swung open and the wrapped article. containedentirely within theboxpartofthecarton; Fig. V8 1s a perspective view of the fully assembledcarton with the coverpart in' closed telescoped position over the box part; and

AEig. 9 is a vertical cross-sectional view throsh the assembled'carton with the cover-part telel scoped over the box part as it appears when looking in thedirection of the; arrows 9-9 of Fig. 8.

parts throughout the several 2 l v 2,358,790 v The captive cover carton is assembled from a one-piece prepared paperboard blank A which.

. has been cut and scoredas illustrated in Fig. 1.

The carton blanksA may be cut and scored from large sheets or rolls of suitable paperboard material ata high production rate on a cutting and scoring machine. The paperboard sheets or rolls are preferably imprinted' or lithographed on the finished side thereof before they are fed into the cutting and scoring machine and cut into carton blanks.

vReferring more particularly to Fig. 1, the carton blank A comprises a box-forming part :c and a cover-formingpart y integrally joined by a connecting section a. The box-forming part a: comprises a front wall panel' I and a rear wall panel 2 which are connected by an intermediate side wall panel 3 along corner-forming score line's 4' and 4 respectively. The other side wall panel 5 is hinged to the opposite side edge of the front wall panel I along the score line 4" and a glue iiap 6 is hinged along the score line 4' to the opposite side edge of the rear wall panel 2. The bottom end wall of the box is formed` by bottom flaps 'I and 9 hinged respectively to the lower ends 25 of the rear wall panel 2 and the front wal'l panel I` along the continuous horizontally extending score line 8. A tab I0 is hinged to the lower end of each of the

side wall panels

3 and 5 along the ,continuous score line 8. The tabs I0 are sepa.- 30` rated from the

bottom flaps

1 and 9 by cuts I9', one cut I9 aligning with score line 4, anotherl cut I9 aligning with score line 4 and the other cu I9 aligning with score line 4".

The cover part y of the carton is formed from the upper part of the blank as shown in Fig. 1, and presents when assembled enclosing walls adapted to telescope over the enclosing walls of the box part :c and a top wall formed from a series of inturned flaps and tabs. The enclosing along the score line 23" and is arranged to be secured to a securing flap 26 .hinged to the loppo-A site side edge of the rear Wall panel 20 along the\ score line 23"".v

The top wall of the cover part is formed from apair of

top wall naps

21 and 29 hinged to the upper edge of the rear wall panel 20 and the front wall `panel 24 respectively along the continuous horizontallyv extending score line 28. A tab 30 is hinged to the upper end of each of the side wall panels 22 and25 along the continuous horizontally extending score line 28, the tabs 30 being separated from the

top wall flaps

29 and 21 by cuts 32'. One of the cuts 32 is in alignment with the score line 23, another cut 32' 'is in alignment with the score ne 23', and the third '.cut 32 is in alignment wi h the score line 23".

An important feature of this invention is the construction and arrangement of the connecting 6 lower edge of the rear wall panel 20 of the cover 70 part yby a linkage section II which has a height slightly less ythan the height of the rear wall panel 20 of the cover. 'I'he linkage section II is joined to the upper edge 'of the -rear wall panel 2 of the box part by a horizontally extending score 71s line I2 'and is ioined to the lower edge of the rear wall panel 20 of the cover part by a similar horizontally extending score line 2l, the score lines I2 and 2l being substantially parallel. To increase its flexibility vthe linkage section II is provided with a plurality of intermediate horizontally extending crease or score lines I3. The vertical edges of the linkage section II are free and each free edge is spaced inwardly from the adjacent corner-forming

score lines

4 and 4" respectively approximately the thickness of the paperboard from which the blank is made.

A temporary side section I4 is positioned between the upper edge of the side wall panel 3 of the box part and the lower edge of the side wall panel 22 of the cover part, and likewise a temporary section I5 is disposed between the upper 1 edge of the front wall panel I of the box part and the lower edge of the front wall panel 24 of the cover part. The temporary sections I4 and I5 may be hingedly connected by a vertically extending score line 33 which forms substantially a straightline continuation of the score line 4 which connects theside Wall panel 3 with the front wall panel I of the box part. The opposite vertical edge of the temporary side section I4 is separated from the adjacent vertical edge of the linkage section II by a vertically extending cut line I8 which is slightly out of alignment with the vertically extending score line 4 disposed between the side wall panel 3 and the rear Wall panel 2 of the box part, so that the width of the temporary side section I4 is greater than the width of the box side wall panel 3 by approximately the thickness of the paperboard.

The lower edges of the temporary side section I4 and the temporary front section I5 are connected to the upper edges of the side wall panel 3 and front wall panel I of the box partby a horizontally extending perforated line which is composed of the spaced cuts I6 separated by narrow connecting necks I I which can be easily torn. The upper edges of the temporary side section lI4 and the temporary front section I5 are connected tov the lower edges of side wall panel 22 and front wall panel 24 of the cover part by a horizontally extending perforated line comprising spaced cuts 32 Whose endsare separated by narrow severable neck portions 3l. It

will be noted from Fig. 1 that the cuts I6 are generally in alignment with the score line I2 at thelupper edge of the rear Wall panel'2 of the box part and that the cuts 32 are generally in alignment with the Vscore line-2| which denesthe lower edge of the rear wallpanel 20 of the `bly of the carton is made possible.

When the carton is nally assembled and erected, the cover part is so designed as to snugly telescope over. the upper end of the box part as Aillustrated in Figs. 8 and 9. In order that this may be accomplished, it will be appreciated that the width of the side wall panel 22 and the width of the side wall panel 25 of the cover part must be greater than the width of the corresponding

side wall panels

3 and 5 of the box part over which the

side wall panels

22 and 25 of the cover part telescope by approximately two ythicknesses of paperboard. The width of the rear wall panel 20 and the width of the front wall panel 24 of the cover part must likewise be greater than the width-of the'corresponding rear wall panel 2 and the cover part is substantially in accurate align-X ment with the corner score line 4 of the body part and is so made as to permit folding and gluing of the blank into the collapsed shell shown in Fig. 2. However, the corner score line 23' of the cover part is offset with respect to the corner" score line 4 of the box part so as to make the width ofthe side wall panel 22v of the cover part greater than the width of the side wall panel l of the box part by approximately two thicknesses of the paperboard. The corner score line 23" of the cover part is offset approximately four thicknesses of paperboard with respect to the corner score line 4" of thebox part, so that the width of the front wall panel 24 of the cover part which lies between the comer score lines 23' and 23" is approximately two thicknesses of paperboard wider'than the width of the front wall panel I of the box part which lies between the vertical score lines 4' and 4". The vertical over the upper end of the assembled box part,

free edge 26' of the side wall panel 25 of the cover part may overhang the free edge 6 of the side wall panel 5 of the box part a distance equal to approximately five to six thicknesses of the paperboard, so that the side wall panel 25 when finally glued to the securing ilap 26 of the cover part will be wider than the side wall panel 6 when secured to the glue nap 6 of the box part by approximately two thicknesses .of paperboard. 'I'he corner score line 23"' of the cover part is oiset with respect to the corner score line 4" of the box part by approximately two thicknesses of the paperboard, so that the width of the rear wall panel 20 extending between vertical score'

lines

23 and 23 of the cover part is wider than part, but osetting the corner score lines 23', 23" and-23"' of the cover part with respect'to the corner score lines 4', 4" and 4' of the box part in the manner above described, and by furthercutting the paperboard blank A so that the lower edge of the side wall panel 22 and the ,lower edge of the front wall panel 24 of the cover part are temporarily but severably connected to the upperk edge of the side wall panel 3 and the front wall panel I of the box part, the onepiece blank may be ,automatically formed into a collapsed shell having its assembled box part :c integrally connected to the assembled telescoping cover part y by the exible linkage section I I and the `temporary sections I4 and I5. The temporary sections vI4 and I5 are then ripped off from thecollapsed shell as shown in Fig. 3, the shell expanded intoptubular form as shown in Fig. 4, and the wrapped article of merchandise Pis telescoped into the expanded shell as shown in F13. 5. The merchandise article maintains both the boxpart and the cover part of the shell fully and rigidly expanded during closing and sealing of the end wall ilaps as indicated in Fig. 6. The merchandise article P may then be pushed completely into the box part as indicated in Fig. 7; The enlarged cover part y will snugly telescope as shown in Figs. 8 and 9, by reason of the fact that each of the enclosing panels of the cover part is approximately two thicknesses of paperboard wider than the width of the corresponding enclosing panels of the box part the rear wall panel 2 extending between the board wider than the adjacent box side wallformed by joining side wall panel 5 to flap 6.

' By thus arranging and offsetting the score lines 23', 23" and 23'." defining the vertical corners of the enclosing walls of the cover part with respect to the corner score lines 4', 4" and 4' of the box part, the assembled enclosing walls of the cover part will snugly telescope over the assembled enclosing walls of the box part. The vertically extending cuts 32 which separate the inturned tabs 30 from the topwall flaps 21 land 29 are, however, in true alignment with the

respective score lines

23, 23' and 23" of the cover part, the free edge 30' of the tab 30 is in true alignment with the free edge 25' of the side wall panel 26 of the cover part, and the free edge 21.

In assembling the flat blank as shown in Fig. 1 into a set-up carton, thebody of the box part and th'e body of the cover part are rst assembled in collapsed tubular shell form as illustrated in Fig. 2. This operation may be automatically performed at a high production rate.

In assembling the collapsed shell, aligned strips of adhesive are ilrst applied to the outside face of the securing ap 6 and to the outside face of the securing ilap 26. The rear wallpanel 26 is then folded about score line 23 and rear wall panel 2 is folded about score line 4 so that rear wall panel. 20 will overlie the front wall panel 2d of the cover part and rear wall panel 2 will overlie the front wall panel I of the box part. The folding operation can readily be performed by reason of the fact that the score lines 23 and 4 are in true straightline alignment. This folding operation will also place the top cover flap 21- in overlying position with respect to the adjacent cover tab 30 and the top flap 29, and will place the bottom flap .'I in overlying position with respect to the adjacent bottom tab I-IJ and the bottom flap 9. This folding operation will fur-'- ther place the flexible linkage section I I in superimposed relationship over the temporary side section I4 and the temporary front section I5. 'I'his folding operationv can be smoothly performed without warpingl or twisting the blank by reason of the fact that the vertical score line 4 of the box part of the blank is in true alignment with vertical score line 23 of the cover part of the blank. The ladjacent cut lines I8, I9 and 32 in no way interfere with this folding operation.

of the top wall iiap 21 is in true alignment with the vertical score line 23"' of the cover part.

By placing the score'line 23 of the cover part in alignment with the score line 4 of.v the box When thus folded the glue bearing face of the securing flaps 6 and 26 will be facing upwardly part. The bottom flap 1 will also overlie the adjacent bottom tab I6' and the bottom nap 8 and temporary front section I5.

The side wall panel 25 of the cover part is then folded about score lines 23" over and into ad` hesfive engagement with the glue bearing face of the securing ap 26 and the side wall panel of the box part is folded about score line 4 over and into adhesive engagement with the glue bearing face of the securing flap 26.

This folding operation can be smoothly performed even though the score line 23" is not in alignment with the score line 4" because of the fact that the

side wall panels

25 and 5 are completely separated by the cut-out notch 35 in the blank.

The collapsed assembled shells as shown in Fig. 2 may be stacked together so as to occupy a minimum of space and in this condition may be shipped to the user or merchandise manufacturer and stored until needed. It will be noted that the temporary side section I4 and temporary front section I5 positioned between the box part Vand the'cover part of the collapsed shells may be moved by grasping the free end of the temporary front section I5 by means of a suitable instrument and by`a ripping action the front section I5 and the side section I4 may be torn loose from the assembled carton, as illustrated'in Fig. 3. 'It will be noted that the temporary front section I5 and side section Il are Joined to the adjacent upper edges of the front wall pane1 I and the side wall`panel 3 of the boxl part :c by the narrow uncut necks I1 of the paperboard, which necks will readily break when a light pull is exerted on the temporary sections I5, and I4. Likewise the temporary sections I5 and M are secured to the frontwall panel 24 and side wall panel 22 of the cover part y by the spaced narrow neck portions 3| whichzwill also break when'a light pull on the temporary sections I5 and I4 is exerted. It will also be noted that the vertical edge of the temporary side Asection Il is free of the adjacent vertical edge of linkage section by reason of the cut line I8, so that once the narrow neck portions vI1 and 3| are torn, the strip comprising the temporary front section I5 `and temporary side section I4 may be easily removed and discarded. It will be appreciated that in forming the blank shown in Fig. 1, the score line 33 may be eliminated so that the removable sections I4 and I5 form a continuous rigid piece, in which event the neck portions I1 and 3| which connect removable section Il to

panels

3 and 22 are eliminated so that section I4 is completely ped merchandise P as shown in Fig. 5 may be,

freely insertedv into the expanded tubular shell through eitherend thereof. 'I'he-wrapped merchandise P is preferably assembled in the form of l a wrapped plug of the requiredshape and size so as to snugly fit within the box part and cover part of the expanded shell. This insertion operation can be performed automatically or by hand.

The endl walls of the tubular shell may be readily sealed when the plug of merchandise P has been telescoped therein. The merchandise plug P positioned within the expanded shell' supports the expanded box and cover parts of the shell in rigid erect tubular form during the end sealing operation. The end walls of the expanded 'shell are preferably sealed by a sealing machine installed at the plant of the user or merchandisemanufacturer so that the assembled shells may be shipped to and storedv by the user while in the collapsed form illustrated in Fig. 2 or Fig. 3, thereby effecting substantial economies in shipping and storage space. Y

In sealing the bottom and 'top forming end walls, the bottom tabs Ill and top tabs 30 are folded inwardly so that they are substantially in parallelism. The bottom flap 1 and the top flap 21 are then folded to respectively overlie the inturned bottom tabs I0 and the. inturned top tabs 30. Adhesive is then applied to the undersurfaces of the laterally projecting bottom folding flap 3 and top folding flap 29.

The bottom flap 9 is then folded into adhesive contact with the outside surface of the folded bottom flap 1 and the top flap 29 is folded into adhesive contact with the outsidevsurface of the folded top flap 21, which completes the assembly of the carton as 'illustrated in Fig. 6.

The merchandise plug P may then be pushed into the box part to be completely contained therein. The cover part y may then be telescoped into closed position over the upper'end of the box part, as illustrated in Figs. 8 and 9. As heretofore brought out, the width of each of the cover enclosing panels, comprising frontpanel 24, rear l panel 20 and

side panels

22 and 25, is approximately ltwo thicknesses of paperboard material greater than the circumferential width of the corresponding enclosing panels of the box part, comprising front panel I, rearepanel 2, and

side panels

3 and 5. Thus the cover partl is properly dlmensioned so as to telescope snugly over the upper end of the box part.

As the cover part is telescoped over the upper end of the box part', the linkage section II'will roll downwardly between the outside face of the box rear wall panel 2 and the inside face of the cover rear wall 20 to the point where the paperboard material of thev linkage section between ,the hinge lines l2 and. 2| will extend in a substantially straight line. When the cover part is n in' closed position, the linkage section will connected to the box part by the linkage sectionf thus be sandwiched 'snugly between the box rear Wall panel2 and the cover rear wall 'panel 2|! so that the cover part is retained on the upper end .of the box part with substantial holding friction.

When access to the merchandise contents is desired, an upward pull is vexerted on the cover part causing the linkage section to roll in opposite direction until the 4cover part has been released from the top edge ofthe box part so that the cover part can be swung completely off from the mouth end of the box part as shown in Fig. '1

'to provide unobstructed access to the merchandise in the box part. since the cover part is hingediy II, the cover part need not beheld or supported either during insertion of the contents into or removal of the contents from the box part. .Thus opened,- the wrapper enclosing the merchandise *fact that the corner score line 4 and the corner 'score une 23 are in straighuine ugnment, the

rear wall panel 2 of the box part and the rear. Wall panel 2|).of the-'cover part may 'be smoothly folded over the complementary frontwalhpanels I and 24. '

I'he glue iiaps

6 and 26 are so positioned that a `strip of adhesive may be -applied thereto byI a strip gluer. While the side wall panel isfhinge'dto front Vpanel `I by thescore line 4" which is out of alignment with the score line 23 which hinges the side wall panel 23 to the front wall panel 24, the

side wall panels

25 and 5 may be consecutively folded into adhesive contact with the corresponding glued strips 26 and 6 because of the fact that the

side wall panels

25 and 5 are 'wholly independent of each other and separated by the deeply notched cut-out 35.

The offset position of the score lines 23', 23" and 23" with respect to the score lines 4', 4" and 4" respectively in no way interferes with the automatic assembly of the blanks into collapsedshell form. The temporary connecting sections I4 andl I5 secure the ,cover part of the blank to the box` part with suicient rigidity so that the blank can be operated upon by a folding machine as if\ it were a solid rectangular'blank. As shown in Fig. 3, when the temporary sections I4 and I5 have beenV removed fromthe collapsed shell, andthe collapsed shell then erected into expanded form as shown in Fig. 4, the `corner score lines 23, 23', 23" and 23""of the cover part will automatically align themselves over the outer surfaces of the corresponding

corner score lines

4, 4', 4" and 4"' of the boxpart, so that the merchandise plug may betelescoped into the expanded shell so as'to extend partly into the expanded cover part and partially into the expanded box part. The front wall panel 24 and the rear wall panel of the cover part will have a width approximately two thicknesses of paperboard greater than the width of the corresponding front wall panel I and rear wall panel 2 of the box part. Likewisethe

side wall panels

22 and 25 of the cover part will have a width approximately two thicknesses of paperboard greater than the'width of the corresponding side wall panels 3 andl 5 fof the box part. The scores .formed inthe blank by the cutting and scoring die (have a widthl `which substantially equals the thickness of the paperboard so that the corner folds which are formed will adjust themselves to -telescoping requirements. j

The top and bottpm end panels of the expandedtubular shell may be automatically and simultaneously closed and sealed by reason of the fact that Athe merchandise plug retains both the cover part and the box part rigidly expanded and rectangular incross-section. Since the cover forming part and the box forming part of the shell are connected by the linkage hinge section f and l are held rigidly erect by the merchandise plug- P, the end sealing machine can function as though it were operating upon arigid one-piece tubular body.

. It will now be appreciated that the temporary sections `Ill and I5 perform a highly important and useful function duringv assembly of the blank to be packed in the carton, the temporary sections I4 and I5 are removed from the collapsed shell,

the shell expanded into tubular form and the Y 5 vmerchandise plug inserted. 'I'he linkage section I I retains the cover part and the box part rigidlyA connected and the merchandise plug serves to retain the cover part' and box part in rigid erect position so that the ends of the carton may be 10 closed and sealed simultaneously at a high production speed on the end sealing machine. The

assembled carton is strong and sturdy in construction, pleasing in appearance, and accurately formed as to size. V

15 While certain novel features of the invention have been disclosed and are pointed out in the lationship and hingedly .connected by substan!- ftially parallel comer-forming creases, said cover lpart having lfront, rear and side wall panels each approximately two thicknesses of paperboard wid'- er than the corresponding front, rear and side wall panels of the box part, said front, rear and side wall'panels of the cover part beingarranged in side-by-side relationship and hingedly connected A by substantially parallel comer-forming creases, said connecting part including a hinge section hingedly connecting'v the lower edge of the rear wall panel of the cover part to the upper edgev of the rear wall panel of the box part, and aA 40 temporary `section removably connected to the lower edge of the front wall panel of' the cover part and to the adjacent, upper edge of the front wall panel of the box part.

" 2. A one-piece paperboard blank for forming a captive carton having a box-forming part and a cover-forming part joined by a connecting part,

said box-forming part-having front, rear and side wall panels arranged in side-by-slde relationship and hingedly connected by substantially kparallel corner-forming creases', said cover partl having front, rear and side wall panels each approximately two thicknesses of paperboard widerthan the corresponding front, rear and side wall panels .of the box part, said front, rear and side 5 wall panels of the cover part being arranged in side-by-side relationship and hingedly connected by substantially parallel comer-forming creases, saidconnecting part including a hinge section hingedly connecting the lower edge of the rear wallpanel of the' cover part tothe. upper edge of the rear wall panel of the box part, and a temporary section removably connected to'the .lower edge of a side wall panel of the cover part and to the adjacent upper edge of a side Wall panel of the box partg-a bottom-forming ilap hinged to the lower edge of each ofthe front and rear side wall panels of the box part, and a topforming ila'p hinged to the upper edge of each of the frontjand rear wall-forming panels of the 7.0 cover part. l

` 3. A substantially rectangular one-piece paperi board blank for forming a'captive cover carton having a box-forming part and a cover-forming part joined by a connecting part, said box-forming part having front, rear and side wall panels vcorner-forming creases, each of the front, rear and side wall panels of the cover part being approximately two thicknesses of paperboard wider than the corresponding front, rear and side walL l0 panels of the box part, said connecting part including a hinge section hingedly connecting the lower edge of the rear wall panel of the cover part to the upper edge of the rear wall panel of the box part, and a temporary section removably connected tothe lower edge of the front wall panel of the cover part and to the adjacent upper 'edge of the front wall panel of the box part.

4. A substantially rectangular one-piece paperboard blank for forming a captive cover carton having a box-forming part and a cover-forming part joined by a connecting part, said box-forming part having front, rear and side wall panels and a glue flap arranged in side-by-side relationship and hingedly connected by substantially parallel comer-forming creases, said cover part having front, rear and side wall panels and a glue flap arranged in side-by-side relationship and hingedly connected by substantially parallel corner-forming creases, each of the front, rear kand side wall panels of the cover part being approximately two thicknesses of paperboard wider than the corresponding front, rear and side wall panels of the box part, said connecting part including a hinge section hingedly connecting the lower edge of the rear wall panel of the cover part to the upper edge of therear wallpanel of the box part, and a temporary section removably connected to the lower edge oi the front wall panel of the cover part and to the adjacent upper edge of the front wall panel of the box part, said box part and cover part each having one of its side wall panels positioned along the same side of the blank and its glue iiap positioned `along `the opposite side of the blank, the glue ap and the opposite side wall panel of the cover part being conveniently separated by a notch cut-out from the glue flap and the opposite side wall panel of the box part.

5. A one-piece paperboard blank for forming a captive cover carton having a box-forming part and a cover-forming part joined by a connecting part, said box-forming part having front, rear and side wall panels arranged in side-by-side relationship and hingedly connected by substantially parallel comer-forming creases, said cover part having front, rear and side wall panels arranged in side-by-side relationship and hingedly connected by substantially parallel corner-forming creases, each of the iront, rear and side wall panels of the cover part being approximately two thicknesses of 'paperboard wider than the corresponding front, rear and. side wall panels of the box part, 4One of said corner-forming creases in the box part being substantially in alignment with one of said corner-forming creases in the cover part, the other corner-forming creases in the b ox part being out of alignment with the other corner-forming creases in the cover part, said connectingpart including a-hinge section hingedlyconnecting the lower edge of the rear wall panel wall panel of the cover part to the upper edge of the adjacent side wall panel of the box part. 6. A one-piece paperboard blank for forming a captive cover carton having a box-forming partV anda cover-forming part joined to the box part by a connecting part, said box-forming part having front, rear and side wall panels arranged in side-by-side relationship and hingedly connected by substantially parallel corner-forming creases, said cover part having front, rear and side wall panels arranged in side-by side relationship and hingedly connected by substantially parallel cor.

ner-forming creases, said connecting part including a hinge section hingedly connecting' the lowerl edge of the rear wall panel of the cover part to the upper edge of the rear wall panel of the box part, and a temporary section removably connecting the lower edge of a side wall panel of the cover part to the upper edge of the adjacent side wall panel of the box part, one of said cornerforming creases in the box part being substantially in alignment with one of said comer-forming creases in the cover part, the other cornerformlng creases in the box part being out of alignment with the other comer-forming creases in the cover part an amount suilcient to make the front, rear and side wall panels of the cover part each approximately` two thicknesses of paperboard wider than the corresponding front, rear and side wall panels of the box part, said blank being foldable longitudinally thereof along the aligned creases in said box part land cover lpart.

7. An improved one-piece paperboard blank for forming a. captive cover cartonhaving a boxforming part and a cover-forming part joined by a connecting part, said box-forming part having front, rear and side wall panels arranged in side by side relationship and hingedly connected by substantially parallel corner-forming creases, said cover part having front, rear and side wall panels arranged in side by side relationship and hingedly connected by substantially parallel corner-forming creases, said connecting part including a linkage section hingedly connecting the lower edge of the rear wall panel of the cover part to the upper edge of the rear wall panel of the box part and a temporary section removably connected to the lower edge of the front wall panel and a side wall panelof the" cover part and to the adjacent upper edge of the' front wall panel and a side-wall panel or the box part.

8. An improved paperboard blank for forming a captive cover carton havinga` box-forming part and a cover-'forming part joined by a connecting part, said box-forming part. having front, rear and side wall panels -arranged in side by side relationship and hingedly connected by substantially parallel corner-forming creases. said cover part having front, rear and/side wall panels arranged in side by side relationship and hingedly connected by substantially parallel corner-forming creases, said connecting part includi/ng alinkage section hingedly connecting' thev llower edge of the rear wall panel of the cover part to the upper edge of the rear wall panel ,of the box part and a temporary section removably connected to the lower edge of the front wall panel and-one side wall panel of the cover part and to the adjacent upper edge of the front wall' panel and one side wall panel of the box part, the lower edge of the other side wall panel of the cover part being tue of and spaced from the upper edge of the other adjacent'side wall panel ofl the box part. 1

9.*An improved paperboard blank for forming a captive cover carton having a box-forming part and a cover-forming part joined by a connecting part, said box-forming part having front, rear. and side wall panels arranged in side-by-side relationship and hingedly connected by substan-l tially parallel comer-forming creases,v said cover part having front, rear and side wall panels arranged in side-by-side relationship and hingedly' connected bysubstantially parallel comer-forming creases, one of .said comer-forming creases which connects the rear wall panel to the adjacent sidewall panel of the box part being sub`A stantially in alignment with the corner-forming crease which connects the rear wall panel to the adjacent side wall panel of the cover part, said other corner-forming creases in the box part being out of alignment with the other corner-form-y ing creases of the cover part' an amount suillcient to make the front, rear and side wall ypanels of the cover part each approximately two thicknesses of paperboard widerfthan the corresponding front, rear and side wall panels'oi the box, part, said connecting part including ailexible linkage sectionv hingedly connecting the lower edge of the rear wall panel oi the cover part to edge of said front and rear wallpanels of the,

hingedly connected in side by side relationship by substantially parallel corner-forming creases, bottom-formingfiiaps extending from the lower box part, said cover part having front, rear and side wall panels hingedly connected in side by side relationship by substantially parallel corneriorming creases, top closing ilaps extending from the upper edge of said front and rear wall panels of the cover part, said connecting part including a flexible linkage section hingedly connecting the lower edge of the rear wall panel of the cover the box part during assembly of said shell.

the upper edge of the rear wall panel of the box part and a temporary section removably connect-` ed to certain of the other panels of the cover part and to adjacent other panels of the box part whereby said temporary section and said linkage section serve to rigidly connect the cover part to the box part during the foldinglassembly -of the carton.

10. An improved paperboard blank for forming a captive cover carton -having a box-forming part and a :cover-forming part joined by a connecting L part, said box-forming part having front, rear creases in the box part being out of alignment with the otherl comer-forming creases oi.' the cover part an amount suillcient to'make the i. front', rear and side wall panels of the cover part each approximately two thicknesses ofA paper-I y'board widersthan the corresponding front, -rear and side wall}panels ofthe boxpart, said connecting part including a exible linkage section hingedly connecting the lower edge oi' the .rear wall panel of the cover part to the upper edge of the rear wall panel of the box part and a temporary section removably` connected to the lower edge of' the iront wall panel and one side wall panel o f the cover part and to the adjacent upper-edge of the front wall panel 4and one side wall panel of the box part whereby said temporary section and said linkage section serve to` rigidly connect the cover part tothe box part during the folding assembly of the carton.

, 12. A one-piece paperboard shell from which a captive cover carton may be assembled having a box-forming part and a cover-forming part w joined by a connecting part, said box-forming panels and glue flaps hingedly connected in side by side relationship by substantially parallel corner-forming creases, said glue flap of the cover part being ladhesively secured to one of the'side 1l. A one-piece paperboardshell from which `part having front, Yrear and side wall panels wall panels o'f the cover part, top closing naps extending from the upper edge of said front and rearrwall panels oi' the cover part, said connecting` part including a flexible linkage section hingedly connecting the lower vedge of the rear wall panel .of the cover part to the upper edge of 'the rear wall panel of the box part and a tem;

porary section removably connected to the lower edge of the iront wall panel and one side wall panel oi.' the cover part and to the adjacent uppe'r edgeoi the front wall panel and one side wall panel of the box 'part whereby said temporary section and said linkage sectionserve to rigidly connect the cover partto the box part during assembly of. said shell, thek front, rear and side A wallpanels of the cover part each having a width approximately two thicknesses of paperboard greater than the width of the corresponding.

front, rear and side wall panels of the box part, whereby the cover part lmay be telescoped over the box part upon removal of said temporary section. l

13. A captive cover carton termed from a one- 'piecesubstantially rectangular blank of paperboard material having a box-forming part and a cover-forming part joined by a connecting part.

said box-forming part having front, rear/and side wall'panels hingedly connected in side-byside relationship by substantially parallel cornerrorming creases, bottom-formingflaps extending from the loweredge of said front and rear wall panels forming the bottom wall of the box part, said cover part having front,- rear and side wall panels hingedly connected in sideby-side relationship by substantially parallel corner-forming creasesftop closing flapsl hingedly connected to the upper edge of said front and rear wall panel of the coveri'part forming the top endwall oi the cover part, said connecting part including a exible linkage section connecting the lower edge of the rear wall panel of the cover part andthe upper edge -of the rear wall panel of the box part, the front, rear and side Wall panels of the cover part each having a width approximately two thicknesses of paperboard greater than the width of the correspondingffront, rear and side wall panels of the box part whereby the cover part may be telesccoped over the box part.n

14. A captive coverr carton formed from a onepiece substantially rectangular blank. of paperboard material having a box-forming part and a cover-forming part joined by a connecting part, said box-forming part having front, rear and side wall panels hingedly connected in sideby-gside relationship by substantially parallel corner-forming creases, adhesively joined bottomforming flaps extending from the lower edge of said front. and rear Wall panels forming the bottom wall of the box part, said cover part having front, rearand side wall panels hingedly connected in side-by-side relationship by substantially parallel corner-forming creases, adhesively joined top closing naps hingedly connected to the upper edge oi said front and rear Wall panel o f the cover part forming the top end wall of the carton, said connecting part including a flexible linkage section connecting the lower edge of the rear Wall panel of the cover part and the upper edge of the rear wall panel of the box part, the front. rear and side wall panels of `the cover part each having a width approximately two thicknesses of paperboard greater than the width of the corresponding front, rear and side wall panels of the box part whereby 1 the cover part may betelescoped over the box