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Publication numberUS3056245 A
Publication typeGrant
Publication dateOct 2, 1962
Filing dateJul 26, 1960
Priority dateJul 26, 1960
Publication numberUS 3056245 A, US 3056245A, US-A-3056245, US3056245 A, US3056245A
InventorsRichard E Baum, Wilbert P Daniels
Original AssigneeGreen Bay Box Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Method of packaging goods
US 3056245 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

Oct. 2, 1962 R. E. BAUM ET AL 3,056,245

METHOD OF PACKAGING GOODS Filed July 26, 1960 2 SheetsSheet 1 INVENTOR! ZCHHRDE- 8190M W/A-JEETQDHN/Ed MAJmAM Oct. 2, 1962 R. E. BAUM ETAL METHOD OF PACKAGING GOODS 2 Sheets-Sheet 2 Filed July 26, 1960 BY lV x. 5:22- ROAM/45 A A-L, My 441.2

United States Patent Ofiiice 3,056,245 Patented Oct. 2, 1962 3,056,245 METHOD PACKAGING GOODS Richard E. Baum, Appleton, and Wilbert P. Daniels, Green Bay, Wis, assignors to Green Bay Box Company, Green Bay, Wis, a corporation of Wisconsin Filed July 26, 1960, Ser. No. 45,456 3 (Ilairns. (CI. 53-44) This invention relates to an improved method of packaging goods and an improved container construction which is produced by the method.

We provide blanks for the box and its cover having similar corner and flange scoring which may, in some in stances, take the form of perforations or the like to facilitate the removal of some of the material. With the re spective blanks flat, the flange portions of each are coated in any appropriate manner with a seal of self-adherent pressure-sensitive adhesive such as latex. The adhesive will not adhere to anything other than a surface coated with a similar adhesive. In the case of the box blank, the flange portions which are coated are the portions which will provide the outer surfaces of the sides of the erected box. In the case of the cover blank, the flange portions which are coated are the portions which will provide the interior surfaces of the erected cover. One or the other of the flanges has a relatively wide band of adhesive, this desirably being the box. In the case of the other blank, the flange portions may have relatively narrow bands of adhesive.

The respective blanks with their adhesively coated flange portions are now erected, pleats being formed at the corners of the box blank and at the corners of the cover blank so that all four sides of the erected box provide coated surfaces at the exterior of the box While all four sides of the cover provide coated surfaces at the interior of the box.

The several pleats are, of course, triangular. Moreover, each of the pleats includes coated surfaces as a result of the single coating operation performed on the blank prior to the direction of the box or cover. The tips of the respective pleats may also be connected with adjavent side margins of the box or cover, as by means of a single staple.

Assuming that the pleat of the cover is defined by perforations rather than mere scoring, such pleat need not be stapled or otherwise fastened to the adjacent side wall of the cover because, upon assembly of the cover and box as hereinafter described, the projecting pleats can simply be torn free of the cover. This will expose the diagonal slit between contiguous portions of the side wall but the margins of the side wall will be anchored to the box at both sides of the slit.

With the box and cover erected as described, and the box filled with the material to be shipped, the cover will be telescoped over the box in contact with the material, which preferably has a depth exceeding the height of the side walls of the box. The procedure and product are particularly serviceable for boxes for shipment of sheets of paper. The sheets are normally separated slightly by air and considerable pressure is required to compact the sheets in such a way as to expel the air. With the box packed full of sheets of paper to a. depth exceeding the height of its side wall, and the cover applied on top of the sheets of paper with its side flanges lapping those of the box, vertical pressure is applied to telescope the cover more deeply over the box and at the same time to compress the contents of the box. When maximum compression is reached in a direction to compress the contents, lateral pressure is exerted at all four sides of the cover to force the coated surfaces of the cover into intimate contact with the coated surfaces of the box throughout the respective perimeters of the box and cover. This brings about immediate adhesive connection of the cover to the box, thereby maintaining the contents under pressure. At this point, if a pleat of the cover is to be torn free of the cover, this is done.

The box may be opened by introducing a tool in the nature of a blunt knife or like blade between the coated surfaces of the box and cover and moving it along between such surfaces to free the respective coatings from adhesive connection with each other. If the box is to be re-closed, this will usually be done with staples or conventional fastening means, as the opening operation will normally destroy the capacity of the coatings to adhere the cover to the box.

In the drawings:

FIG. 1 is a plan View of a cover blank scored and coated in accordance with the invention.

FIG. 2 fragmentarily illustrates one end portion of a complementary box blank similarly scored and coated.

FIG. 3 is a fragmentary detail view showing a slightly modified embodiment similar to FIG. 1, the pleats being defined entirely by score lines rather than partially by perforation lines.

FIG. 4 is a fragmentary detail view similar to FIG. 3 and showing a further modification of the cover blank.

FIG. 5 is a view in perspective showing in separated position an erected box and cover made from the blanks comparable to those of FIG. 1 and FIG. 2.

FIG. 6 is a fragmentary detail view in bottom perspective showing a portion of a cover erected from the blank of FIG. 4.

FIG. 7 is a fragmentary detail view in perspective showing a preliminary assembly of a :box and contents and cover.

FIG. 8 is a view similar to FIG. 7 showing the corner pleat anchored by a staple.

FIG. 9 is a view similar to FIG. 7 showing the corner pleat severed.

FIG. 10 is an enlarged detail view in horizontal section on the line 10-1tl of FIG. 9.

FIG 11 is an enlarged detail view in transverse section on the line 11-11 of FIG. 7.

FIG. 12 is a similar view showing the relative position of the parts as the cover is sealed to the box by lateral pressure exerted during continued vertical pressure which compresses the contents.

The cover blank 15 (FIG. 1) and a central panel 16 defined by fold lines 17, 18, 19 and 20, are usually made by scoring the material of the blank. Between the fold lines and the respective margins of the blank are side flanges 21, 22, 23 and 24, respectively, the ends of whi are defined by extensions of the fold lines as above described. Fold lines 25 and 26 which are desirably made up by rows of perforations are symmetrically disposed to extend at forty-five degrees with reference to fold line 17 from the point of its intersection with fold line 18. Similarly, rows of perforations providing fold lines at 27 and 28 are disposed symmetrically with reference to the extension of fold line 19 from the point of its intersection with fold line 18.

At the other side of the blank there are similar fold lines at 29 and 30 desirably comprising rows of perforations leading obliquely from the point of intersection of fold lines 19 and 20 and rows of perforations 31 and '32 extending obliquely from the intersection of fold lines 20, 17.

Completely outlining the blank 15 and preferably spaced slightly inwardly from its side and end margins are strips of adhesive 36, 37, 38 and 39 which are respectively disposed on flanges 21 to 24. In a cover of the respective proportions indicated, these strips are only about half as wide as the respective flanges. By way of illustration, and not by way of limitation, this strip or -59 band of adhesive might be approximately one and onequarter inches wide and located one-quarter inch from the outer margin of the blank on a flange having a total width of approximately three and one-quarter inches. On a blank for a shallower cover, the entire flange might be coated.

The box blank 49 is in most respects comparable to the cover blank 15, having a central panel at 41 defined by fold lines such as those shown at 52, 4-3, in FIG. 2. These fold lines define similar side flanges Such as those shown at 45, 46 and 47. The bands of adhesive such as those shown at 48, .9 and 50 are desirably wider in the case of the box, the relative width being three inches as compared with an inch and a quarter in the foregoing example. Diagonal or pleat fold lines such as those shown at 51 and 54 are used in the box, as in the cover. However, the oblique fold lines 52 and 53 are in the end panels 46, rather than the side panels, toenable the resulting pleats to fold out along the ends as shown in the erected box illustrated in FIG. 5. Moreover, the fold lines 5154 are ordinarily made by scoring rather than by rows of perforations, since it is not ordinarily contemplated that the pleats resulting from erection of the box blank will be severed in the manner which is preferred in the case of the cover blank.

It is also possible that the oblique fold lines at the corners of the cover blank be made of score lines instead of rows of perforations, this being indicated at 29' and 30' in FIG. 3.

When the cover is erected as shown in FIG. 5, the face of the panel 16 which is viewed in FIG. 1 constitutes the inside of the cover. Two triangular areas '5" and 56 outlined by the perforated fold lines 22 and 3 3 are folded upon each other on extension 59 of fold line 19 to make a pleat designated by reference character That portion of the adhesive band 39 which extends across the triangular panels 55 and 56 will cause the triangular panels to adhere to each other as shown, for example, in FIGS. 7 to inclusive, particularly FIGS. 9 and 10. However, the surfaces of the triangular areas 55 and 56 which are exposed when the pleat is formed have no adhesive coating and will either have to be anchored by means of a staple or the like as shown at 62 in FIG. 8 or the entire plate 64 may be torn away from the cover upon the rows of perforations 2% and 3b as shown in FIGS. 9 and 10, this being possible after the cover has been cemented to the box as hereinafter described.

The bands of adhesive applied to the box and cover are desirably of a pressure-sensitive material which is virtually non-adherent except when pressed into contact with like coatings. Latex is used in practice and is a preferred example.

Folding of the box blank 4i) is similar to the folding of the cover blank except that the respective flanges are folded in such a manner that the adhesive bands 43, 49 and 5b are exposed externally on the respective flanges in the manner shown in FIG. 5. Pleats such as that shown at 65 are formed in each corne by folding upon each other the triangular areas such as those shown at 66 and 67 in FIGS. 2 and 5. The adhesive coated surfaces of the triangular areas 66 will be exposed and the coated surfaces of the areas 67 will be adherent to the box wall 46 to hold the pleat 65 and the same will be true at each of the other four corners of the box.

While is is possible to anchor the corner pleats of the box in a manner similar to that suggested in FIG. 8, Where the staple 62 is shown for this purpose, it is unnecessary to anchor the pleats at the box corners by staples or the like because these will be held by the adhesive.

Preferably the material to be packed in the box, and here represented by the stack of sheets shown at '74 will somewhat exceed in height the depth of the box. Thus, in FIG. 11, the stack of sheets at 70 projects considerably above the top margin of the flange 4-6 of the box.

With the contents in the completed box 40', the completed cover 15 is telescoped over the box and contents as shown in FIG. 11. This will present the generally planiform inner faces of the cover flanges to the generally planiform external faces of the corresponding box flanges as is here illustrated by the cover end flange 23 and the box end flange 46 in FIG. 11. The coating bands of the cover flanges will slide down over the adhesive coating bands of the box flanges as represented in FIG. 11 by the adhesive coatings 38 and 49.

As stated in the introductory disclosure, paper sheets as stacked contain considerable air between the successive sheets. Accordingly, the first step in completing the package according to the present invention is to exert pressure between platens '72 and '73 which engage the top panel 16 of the cover 15 and bottom panel 41 of the box it), such pressure being sufficient to compact the contents "iii and to complete the telescoping movement of the" cover flanges with respect to the box flange.

As soon as the contents have been compressed to the maximum practical extent, pressure is applied both longitudinally and laterally to engage the pressure-sensitive coatings of the cover with the complementary pressuresensitive coatings of the box. This step is represented in FIG. 12 by the showing of platen 74- forced toward the contents by ram '75 as indicated by the arrow '76, it being understood that similar platens will engage the other sides of the package. At the ends of the box the cover ends will be deformed inwardly by the cushioned platens to engage the box end wall between the box corner pleats, whereby to adhere as shown in FIG. 10 to the box end wall as well as to the exposed adhesively coated surfaces of the pleats.

The pressure of these platens at the four sides of the package will instantly effect adhesion between the cover flanges and box flanges to retain the contents 70 under continued pressure until such pressure is released by the opening of the package.

Usually, if one or all of the triangular pleats 6% are to be removed this will be done as shown in FIGS. 11 and 12 immediately following the closing of the package. At that time, the flange portions of the cover contiguous to the perforated lines 29 and 3t"; will be securely cemented to the outer faces of the box flange so that removal of the pleat 61 will simply leave a diagonal line on the package as shown in F165. 9 and 10.

If it is not desired to tear off the pleat, it may simply be stapled or otherwise fastened to the cover as shown in FIG. 8 as already described.

Either the box or the cover may be made without a pleat as suggested in the modified construction shown in FlGS. 4 and 6. Here the corner of the blank has been deeply notched at 78 to provide a tab 30 which is folded outwardly and stapled to engage the cover but would correspondingly be folded inwardly and stapled to engage the box.


1. The method of packaging material which comprises the steps of prefabricating a cover blank and the box blank, each provided with fold lines defining side flanges and defining triangular pleat-forming areas at the corners of the blank, applying to the respective blanks along said flanges and across said pleat-forming areas coatings of pressure-sensitive adhesive which is adherent to like adhesive but not substantially adherent to other materials, erecting the box and the cover from the respective blanks with the adhesive coating exposed outwardly on the side flanges of the box and inwardly on the corresponding flanges of the cover, the coatings of certain of the respective pleat-forming areas being adhered to each other to define multiple-ply pleats, filling the erected box to a depth exceeding the height thereof with material to be packaged, telescopically engaging the flanges of the cover over those of the box, compressing said material by pressing the cover telescopically over the box, and pressing the flanges of the cover against the complementary flanges of the box to adhere the mutually engaged adhesive coat ings thereof.

2. The method recited in claim 1 including the further step of folding exposed corner pleats of the cover onto a continuous side flange portion of the cover and anchoring them in folded position.

3. The method recited in claim 1 including the further step of severing from the cover the multiple-ply folded pleat portions thereof, leaving flange portions of the cover free of direct connection with each other but secured against separation by adhesion to complementary flange portions of the box which are continuous there- Within.

References Cited in the file of this patent UNITED STATES PATENTS 1,867,538 Labombarde July 12, 1932 2,078,446 Grigg Apr. 27, 1937 2,216,884 Kott Oct. 8, 1940 2,284,604 Brooks May 25, 1942 2,521,989 McPherson Sept. 12, 11950 2,829,815 Copeman Apr. 8, 1958 2,932,927 Segerstrom et a1. Apr. 19, 1960 :UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent N09 8 O56 245 October 2, 1962 Richard E, Baum et a1.

It is hereby certified that error appears in the above numbered patent requiring correction and that the said Letters Patent should read as corrected below.

Column l lines 41 and 42, for "adjavent." read adjacent column 5 line 9, for "continuous" read contiguous Signed and sealed this 26th day of February 1963,

(SEAL) Attest:

ESTON Gn JOHNSON DAVID L. LADD Attesting Officer Commissioner of Patents

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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3176900 *Apr 17, 1962Apr 6, 1965Ciganenko FredQuick-sealing container
US3200418 *Nov 2, 1961Aug 17, 1965Lebens WilhelmInnerspring mattress with plastic foam cover
US3228168 *Sep 27, 1963Jan 11, 1966Oscar Mayer & Company IncMethod of forming packages
US3321782 *Feb 23, 1966May 30, 1967Kimberly Clark CoSanitary product and method
US3327449 *Apr 2, 1964Jun 27, 1967Owens Corning Fiberglass CorpPackaging compressible material
US3343334 *Feb 28, 1963Sep 26, 1967Journal CompanyMethod and apparatus fof bundling stacked material
US3413665 *Aug 9, 1967Dec 3, 1968Linvosges SocUndersheet for beds and the like
US3436893 *Aug 28, 1964Apr 8, 1969Us Plywood Champ Papers IncReclosable carton
US3454969 *Mar 6, 1967Jul 15, 1969Lundberg Olga BMattress cover
US3638252 *Dec 22, 1969Feb 1, 1972Kimberly Clark CoFitted bedsheet
US4461049 *Apr 12, 1982Jul 24, 1984Kimberly-Clark CorporationFitted sheet with elastic restraints
US4596618 *Feb 16, 1984Jun 24, 1986Kimberly-Clark CorporationMethod of making a fitted sheet with elastic restraints
US4727608 *Jul 28, 1986Mar 1, 1988Joyce William RFitted bed sheet and method of making same
US4934535 *Apr 4, 1989Jun 19, 1990The Procter & Gamble CompanyEasy open flexible bag filled with compressed flexible articles and method and apparatus for making same
US4966286 *Jun 26, 1989Oct 30, 1990The Procter & Gamble CompanyEasy open flexible bag
US5022216 *Dec 6, 1989Jun 11, 1991The Procter & Gamble CompanyMethod and apparatus for making easy open flexible bag filled with compressed flexible articles
US5036978 *Jun 26, 1989Aug 6, 1991The Procter & Gamble CompanyOpening device for flexible bags filled with compressed flexible articles
US5050742 *Nov 2, 1990Sep 24, 1991The Procter & Gamble CompanyEasy opening package containing compressed flexible articles
US5054619 *Dec 15, 1989Oct 8, 1991The Procter & Gamble CompanySide opening flexible bag with longitudinally oriented carrying handle secured to side panels
US5065868 *Oct 23, 1990Nov 19, 1991Cornelissen Roger EPackage consisting of a paper bag compactly packing compressed flexible articles
US5732531 *Oct 30, 1995Mar 31, 1998Hoechst Celanese CorporationReusable bale wrap kit for compressed, resilient fibers
US5735454 *May 30, 1996Apr 7, 1998International Paper CompanyCohesive self latching trays
US6643995 *May 19, 2000Nov 11, 2003Uni-Charm CorporationProcess and apparatus for manufacturing packages
US7293306 *May 12, 2005Nov 13, 2007Christine Hermanczuk LucasFitted top sheet
US7636987Nov 29, 2005Dec 29, 2009Tama Plastic IndustryWrapping material with fastener
US8512851May 1, 2008Aug 20, 2013Tama Plastic IndustryWrapping material with opposing adhesive means
US20030168503 *Mar 7, 2003Sep 11, 2003Collura Peter C.Multiple container carrier
US20060101624 *Nov 29, 2005May 18, 2006Derscheid Daniel EWrapping material with fastener
US20060253981 *May 12, 2005Nov 16, 2006Anna HermanczukFitted top sheet
US20090274881 *May 1, 2008Nov 5, 2009Tama Plasic IndustryWrapping material with opposing adhesive means
US20100088859 *Dec 11, 2009Apr 15, 2010Tama Plastic IndustryWrapping materal with fastener
WO2007063351A2Nov 29, 2005Jun 7, 2007Tama Plastic IndustryA wrapping material with fastener
U.S. Classification53/436, 53/487, 206/83.5, 229/125.19, 5/496, 53/456
International ClassificationB65D5/24, B65D5/28
Cooperative ClassificationB65D5/28, B65D5/241, B65D5/244
European ClassificationB65D5/24C, B65D5/24A, B65D5/28