US2693836A - Bag construction - Google Patents

Bag construction Download PDF

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Publication number
US2693836A
US2693836A US218616A US21861651A US2693836A US 2693836 A US2693836 A US 2693836A US 218616 A US218616 A US 218616A US 21861651 A US21861651 A US 21861651A US 2693836 A US2693836 A US 2693836A
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Prior art keywords
bag
closure
flap elements
elements
carrying
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Expired - Lifetime
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US218616A
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Richard D Hayes
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Bemis Brothers Bag Co
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Bemis Brothers Bag Co
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Publication date
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Priority to US218616A priority Critical patent/US2693836A/en
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    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/24—End- or aperture-closing arrangements or devices using self-locking integral or attached closure elements, e.g. flaps

Definitions

  • An important object of my invention is 'the provision of novel closure means for the open upper end portions of bags, said closure means providing handle members whereby the bags may be carried.
  • Another object of my invention is the provision of combination closure and carrying means for bags as set forth which permit free and unobstructed access to the interior of the bags.
  • Another object of my. invention is the provision of closure and carrying means for bags as set forth which, when utilized as closure means, efiectively prevent escape of material from the bag.
  • the invention consists of the novel devices, combinations of devices, and arrangement of parts hereinafter described and defined in the claims.
  • Fig. l is a view in side elevation illustrating the closure means utilized as a carrying handle
  • Fig. 2 is a vertical section of a bag showing my novel closure means attached thereto;
  • Fig. 3 is a view corresponding to Fig. 2, but showing a different position of some of the parts;
  • Fig. 4 is a view corresponding to Fig. 2, but showing a modified form of bag
  • Fig. 5 is a view corresponding to Fig. 2, but showing a modified form of closure and carrying means
  • Fig. 6 is a view corresponding to Fig. 2, but showing a still different form of closure and carrying means.
  • a flat tubular bag is indicated in its entirety by the numeral 1 and comprises front and rear walls 2 and 3 respectively, a closed bottom portion 4, and an open upper end portion 5.
  • the bag structure may be made in any suitable manner and from various materials, but preferably is constructed from a single thin transparent sheet of synthetic resin such as polyethylene or the like.
  • the bag 1 is formed by folding a length of the sheet material on itself to form the front and rear elements 2 and 3 and the adjoining edge portions secured together by suitable means such as by the application of heat and pressure.
  • suitable means such as by the application of heat and pressure.
  • the sheet material is folded to form. the bottom 4 and that the heat scaling is applied v to the opposite side edges 6 and 7 of the bag, see Fig. 1.
  • sealing the edges 6 and 7 by means of heat applied thereto can only be accomplished with the use of such synthetic resins as lend themselves to this type of joinder.
  • the sealing would be accomplished by the use of adhesives, sewing, or the like.
  • I provide novel bag closure and carrying handle means for the bag 1 in the nature of a thin sheet of material 8, folded longitudinally upon itself to form downwardly extending front and rear flap elements 9 and respectively.
  • the opposite ends of the flaps 9 and 10 are secured together and to the opposite side edges 6 and 7 of the bag 1 adjacent the open upper end 5 thereof, said fiaps 9 and 10 overlying the upper end portions of the front and rear walls 2 and 3 respectively.
  • Fig. 3 it will be seen that my imception of materials to-be contained therein or for the ready discharge of saidmaterials.
  • the closure 8 when the closure 8 is inverted to its bag-closing position of Fig. 2, it will effectively prevent accidental spilling of the contents in the bag, assuming, of course, that said contents are in a dry state.
  • my improved bag may be readily carried by pulling upwardly upon the central portions of the flap elements 9 and 10 and insertion of the users fingers therebetween and the upper end of the bag.
  • the bag 1 may be originally constructed with the closure initially positioned, as indicated by full lines in Fig. 3, so that the bag may be filled without loss of time in opening the same. Thereafter, the closure may be inverted to bring the flap element 9 into its dotted-line position to effectively close the bag. 1
  • the upper edge portion of the closure 8 is in spaced relationship to the top of the bag 1.
  • a bag 12 is shown as comprising front and rear wall elements 13 and 14 respectively, and a closed upper end 15.
  • the bag 12 is shown as being provided adjacent its upper end with an opening 16 in the nature of a slot extending across the width of the front wall 13 thereof and by means of which access may be had to the interior of the bag 12.
  • the bag 12 has a combination closure and handle means identical in all respects to the closure 8 of Fig. l and which is identified in its entirety and in detail by numerals corresponding to the numerals of Figs. 1 to 3 inclusive.
  • the portion of the bag above the slot 16 will be more-or-less crumpled downwardly in a manner to completely close the slot 16 so that foreign matter such as dust, rain, or the like will not be permitted to come into contact with the contents of the bag while the same is being carried.
  • the bag is identical to the bag of Figs. 1 to 3 inclusive, and is identified by the same numerals.
  • the closure therefor indicated in its entirety by the numeral 17, comprises front and rear flap elements 18 and 19 respectively which are provided with extended portions 20 and 21 that are folded backwardly upon themselves on fold lines 22 in a manner to cause the extended portions 20 and 21 to lie between the adjacent flap elements 18 and 19 and the adjacent front and rear walls 2 and 3 in the open end portion 5 of the bag.
  • the closure of Fig. 5 is coextensive in length with the width of the bag, the opposite ends thereof including the ends of the folded portions 20 and 21 being secured to the opposite side edges of the bag. Folded portions 20 and 21 add strength to the closure 17, both when the same is used as a closure and in its use as a carrying handle.
  • Fig. 6 illustrates the closure of Fig. -5 having the extended portions 20 and 21 of the flap elements 18 and 19 respectively folded outwardly instead of inwardly, so that the flap elements 18 and 19 are disposed therebetween and the adjacent bag walls 2 and 3. Otherwise, the closure 17 of the bag of Fig. 6 is identical to that of the bag of Fig. 5.
  • a tubular bag including front and a) rear wall elements, said bag being open at its upper end portion, and a bag carrying and closure means comprising front and rear flap elements normally loosely overlapping the upper end portions of the front and rear bag wall elements respectively, said flap elements being joined together at their upper edge portions above the upper end portion of the bag and at their ends to each other and to adjacent side edges of the bag, said flap elements in said normal loose overlapping relation providing a handle for said bag adapted to receive a users fingers between said flap elements and the upper end portion of the bag intermediate the side edges thereof for carrying the bag, one of said flap elements being foldable along its upper end portion over the other of the flap elements to position both flap elements on a common side of the bag and expose the open upper end thereof for access thereto.
  • a tubular bag including front and rear wall elements, said bag being at its upper end portion, and a bag carrying and closure means comprising a sheet of material folded to provide downwardly extending front and rear flap elements normally loosely overlapping the upper end portions of the front and rear bag wall elements respectively, said flap elements being joined together at their ends to each other and to adjacent side edges of the bag, said flap elements in said normal loose overlapping relation providing a handle for said bag adapted to receive a users fingers: between said flap elements and the upper end portion of the bag intermediate the side edges thereof for carrying the bag, one of said flap elements being foldable along its upper edge portion over the other of the flap elements to position both flap elements on a common side of the bag and expose the open upper end thereof for access thereto.
  • a tubular bag including front and rear wall elements, said bag being open at its upper end, and a bag carrying and closure means comprising an inverted cross sectionally U-shaped member embracing the open upper end portions of the bag, said member defining front and rear flap elements normally loosely overlapping the upper end portions of the front and rear bag wall elements respectively, said flap elements being joined together at their ends to each other and to adjacent side edges of the bag, said flap elements in said normal loose overlapping relation providing a handle for said bag adapted to receive a users fingers between said flap elements and the upper end portion of the bag intermediate the side edges thereof for carrying the bag, one of said flap elements being foldable along its upper edge portion over the other of said elements to position both flap elements on a common side of the bag and expose the open upper end thereof for access thereto.

Description

R. D. HAYES BAG CONSTRUCTION Nov. 9, 1954 2 Shee'Es-Sheet 1 Filed March 31 1951 R. D. HAYES BAG CONSTRUCTION Nov. 9, 1954 2 Sheets-Sheet 2 Filed March 31 1951 Ihwentor' (Ittornegs United States Patent 2,693,836 Y BAG CONSTRUCTION Richard D. Hayes, Minneapolis, Minn., assignor to Bemis Bro. Bag C0., Minneapolis, Minn., a corporation of Missouri Application March 31, 1951, Serial No. 218,616
3 Claims. (Cl. 150-3 My invention relates generally to bag construction and more specifically to novel closure and carrying means therefor.
An important object of my invention is 'the provision of novel closure means for the open upper end portions of bags, said closure means providing handle members whereby the bags may be carried.
Another object of my invention is the provision of combination closure and carrying means for bags as set forth which permit free and unobstructed access to the interior of the bags.
Another object of my. invention is the provision of closure and carrying means for bags as set forth which, when utilized as closure means, efiectively prevent escape of material from the bag.
Generally stated, the invention consists of the novel devices, combinations of devices, and arrangement of parts hereinafter described and defined in the claims.
In the accompanying drawings, which illustrate the invention, like characters indicate like parts throughout the several views.
Referring to the drawings:
Fig. l is a view in side elevation illustrating the closure means utilized as a carrying handle;
Fig. 2 is a vertical section of a bag showing my novel closure means attached thereto;
Fig. 3 is a view corresponding to Fig. 2, but showing a different position of some of the parts;
Fig. 4 is a view corresponding to Fig. 2, but showing a modified form of bag;
Fig. 5 is a view corresponding to Fig. 2, but showing a modified form of closure and carrying means; and
Fig. 6 is a view corresponding to Fig. 2, but showing a still different form of closure and carrying means.
In a preferred embodiment of the invention illustrated in Figs. 1 to 3 inclusive, a flat tubular bag is indicated in its entirety by the numeral 1 and comprises front and rear walls 2 and 3 respectively, a closed bottom portion 4, and an open upper end portion 5.
The bag structure may be made in any suitable manner and from various materials, but preferably is constructed from a single thin transparent sheet of synthetic resin such as polyethylene or the like. The bag 1 is formed by folding a length of the sheet material on itself to form the front and rear elements 2 and 3 and the adjoining edge portions secured together by suitable means such as by the application of heat and pressure. For the purpose of the present example, it may be assumed that the sheet material is folded to form. the bottom 4 and that the heat scaling is applied v to the opposite side edges 6 and 7 of the bag, see Fig. 1. @Obviously, sealing the edges 6 and 7 by means of heat applied thereto can only be accomplished with the use of such synthetic resins as lend themselves to this type of joinder. In bags of the above type made from cloth, paper, or the like, the sealing would be accomplished by the use of adhesives, sewing, or the like.
I provide novel bag closure and carrying handle means for the bag 1 in the nature of a thin sheet of material 8, folded longitudinally upon itself to form downwardly extending front and rear flap elements 9 and respectively. The opposite ends of the flaps 9 and 10 are secured together and to the opposite side edges 6 and 7 of the bag 1 adjacent the open upper end 5 thereof, said fiaps 9 and 10 overlying the upper end portions of the front and rear walls 2 and 3 respectively.
With reference to Fig. 3, it will be seen that my imception of materials to-be contained therein or for the ready discharge of saidmaterials. However, when the closure 8 is inverted to its bag-closing position of Fig. 2, it will effectively prevent accidental spilling of the contents in the bag, assuming, of course, that said contents are in a dry state. As illustrated in Fig. 1, my improved bag may be readily carried by pulling upwardly upon the central portions of the flap elements 9 and 10 and insertion of the users fingers therebetween and the upper end of the bag. If desired, the bag 1 may be originally constructed with the closure initially positioned, as indicated by full lines in Fig. 3, so that the bag may be filled without loss of time in opening the same. Thereafter, the closure may be inverted to bring the flap element 9 into its dotted-line position to effectively close the bag. 1
By reference to Figs. 1- to 3 inclusive, it will benoted that the upper edge portion of the closure 8 is in spaced relationship to the top of the bag 1. However, I do not wish to limit the invention to this specific arrangement inasmuch as it is sometimes desirable to construct the bag with the upper end 5 thereof in substantially abutting relationship to the interior of the closure adjacent the fold line 11, particularly when my novel bag is utilized for the purpose of containing granular material such as beans, dried peas, rice, and the like.
In the modified form illustrated in Fig. 4, a bag 12 is shown as comprising front and rear wall elements 13 and 14 respectively, and a closed upper end 15. In this instance, the bag 12 is shown as being provided adjacent its upper end with an opening 16 in the nature of a slot extending across the width of the front wall 13 thereof and by means of which access may be had to the interior of the bag 12. The bag 12 has a combination closure and handle means identical in all respects to the closure 8 of Fig. l and which is identified in its entirety and in detail by numerals corresponding to the numerals of Figs. 1 to 3 inclusive. When the closure 8 of the bag 12 is used as a carrying handle, the portion of the bag above the slot 16 will be more-or-less crumpled downwardly in a manner to completely close the slot 16 so that foreign matter such as dust, rain, or the like will not be permitted to come into contact with the contents of the bag while the same is being carried.
In the modified form of closure illustrated in Fig. 5, the bag is identical to the bag of Figs. 1 to 3 inclusive, and is identified by the same numerals. The closure therefor, indicated in its entirety by the numeral 17, comprises front and rear flap elements 18 and 19 respectively which are provided with extended portions 20 and 21 that are folded backwardly upon themselves on fold lines 22 in a manner to cause the extended portions 20 and 21 to lie between the adjacent flap elements 18 and 19 and the adjacent front and rear walls 2 and 3 in the open end portion 5 of the bag. As is the case with respect to Figs. 1 to 4 inclusive, the closure of Fig. 5 is coextensive in length with the width of the bag, the opposite ends thereof including the ends of the folded portions 20 and 21 being secured to the opposite side edges of the bag. Folded portions 20 and 21 add strength to the closure 17, both when the same is used as a closure and in its use as a carrying handle.
Fig. 6 illustrates the closure of Fig. -5 having the extended portions 20 and 21 of the flap elements 18 and 19 respectively folded outwardly instead of inwardly, so that the flap elements 18 and 19 are disposed therebetween and the adjacent bag walls 2 and 3. Otherwise, the closure 17 of the bag of Fig. 6 is identical to that of the bag of Fig. 5.
While I have shown and described several forms which my novel bag structure may take in practice, it will be understood that the same is capable of further modification without departure from the spirit and scope of the invention as defined in the claims.
What I claim is:
1. In combination, a tubular bag including front and a) rear wall elements, said bag being open at its upper end portion, and a bag carrying and closure means comprising front and rear flap elements normally loosely overlapping the upper end portions of the front and rear bag wall elements respectively, said flap elements being joined together at their upper edge portions above the upper end portion of the bag and at their ends to each other and to adjacent side edges of the bag, said flap elements in said normal loose overlapping relation providing a handle for said bag adapted to receive a users fingers between said flap elements and the upper end portion of the bag intermediate the side edges thereof for carrying the bag, one of said flap elements being foldable along its upper end portion over the other of the flap elements to position both flap elements on a common side of the bag and expose the open upper end thereof for access thereto.
2. In combination, a tubular bag including front and rear wall elements, said bag being at its upper end portion, and a bag carrying and closure means comprising a sheet of material folded to provide downwardly extending front and rear flap elements normally loosely overlapping the upper end portions of the front and rear bag wall elements respectively, said flap elements being joined together at their ends to each other and to adjacent side edges of the bag, said flap elements in said normal loose overlapping relation providing a handle for said bag adapted to receive a users fingers: between said flap elements and the upper end portion of the bag intermediate the side edges thereof for carrying the bag, one of said flap elements being foldable along its upper edge portion over the other of the flap elements to position both flap elements on a common side of the bag and expose the open upper end thereof for access thereto.
3. In combination, a tubular bag including front and rear wall elements, said bag being open at its upper end, and a bag carrying and closure means comprising an inverted cross sectionally U-shaped member embracing the open upper end portions of the bag, said member defining front and rear flap elements normally loosely overlapping the upper end portions of the front and rear bag wall elements respectively, said flap elements being joined together at their ends to each other and to adjacent side edges of the bag, said flap elements in said normal loose overlapping relation providing a handle for said bag adapted to receive a users fingers between said flap elements and the upper end portion of the bag intermediate the side edges thereof for carrying the bag, one of said flap elements being foldable along its upper edge portion over the other of said elements to position both flap elements on a common side of the bag and expose the open upper end thereof for access thereto.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 830,148 Harvey et al. Sept. 4, 1906 880,524 Hauphofi Mar. 3, 1908 1,267,193 Dunae May 21, 1918 1,370,966 Hirsch Mar. 8, 1921 1,736,396 Duvall Nov. 19, 1929 1,981,711 Russell Nov. 20, 1934 2,539,799 Stroller Jan. 30, 1951
US218616A 1951-03-31 1951-03-31 Bag construction Expired - Lifetime US2693836A (en)

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913030A (en) * 1956-10-22 1959-11-17 Arnold J Fisher Moisture-free bag
US3105628A (en) * 1962-07-05 1963-10-01 Mack Joseph Flexible plastic shopping bag
US3117712A (en) * 1958-05-29 1964-01-14 Kugler Emanuel Bag
US3180557A (en) * 1962-07-10 1965-04-27 Celloplast Ab Bag with handle of weldable plastic material
US4366916A (en) * 1981-07-22 1983-01-04 Inter Ocean Marketing Corporation Convertible bag packing container and bag support device
US4752004A (en) * 1987-04-27 1988-06-21 Very Ronald A Protective cover for golf bag
US4795270A (en) * 1987-02-02 1989-01-03 Heyden Eugene L Reclosable bag with a folded portion engaged by a unitary material separation arrangement
US4874256A (en) * 1988-05-24 1989-10-17 Venture Packaging, Inc. Bag with carrying handle for containing merchandise
US4877336A (en) * 1982-06-14 1989-10-31 Paramount Packaging Corporation Bottom loaded duplex bag having a handle and method of making same
US5033868A (en) * 1982-06-14 1991-07-23 Paramount Packaging Corporation Flexible plastic bag with perforated handle
USRE34193E (en) * 1990-01-24 1993-03-09 .[.Snack bag.]. .Iadd.bag for objects such as snacks
US5722773A (en) * 1994-11-29 1998-03-03 Bemis Company Inc. Plastic bag having a handle integral with the gusset
US20060045390A1 (en) * 2004-08-27 2006-03-02 Sill Jonathan D Plastic bag with unitary handle and closure member
US20120305437A1 (en) * 2011-06-01 2012-12-06 Polyzen, Inc. Digital appliance cover
USD779282S1 (en) * 2013-04-01 2017-02-21 Laura Patten Cloth holder
USD949010S1 (en) 2019-09-25 2022-04-19 Inno-Pak, Llc Tamper evident bag seal
USD949686S1 (en) 2019-09-25 2022-04-26 Inno-Pak, Llc Tamper-evident bag seal
US11358754B2 (en) 2019-09-25 2022-06-14 Inno-Pak, Llc Tamper-evident bag seal and tamper-evident bags and methods
USD970339S1 (en) 2019-09-25 2022-11-22 Inno-Pak, Llc Tamper-evident bag seal
US11548690B2 (en) 2020-11-13 2023-01-10 Inno-Pak, Llc Tamper-evident bag seal with tabs and methods of use
US11760532B2 (en) 2020-04-30 2023-09-19 Inno-Pak, Llc Tamper evident carton

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US830148A (en) * 1905-12-13 1906-09-04 Rufus W Harvey Sr Foldable purse for money, &c.
US880524A (en) * 1907-02-18 1908-03-03 Elisabeth Hauphoff Washable covering for pillows, feather-beds, quilts, and the like.
US1267193A (en) * 1917-05-18 1918-05-21 Bertram M Wakeling Grain-bag.
US1370966A (en) * 1919-07-15 1921-03-08 Hirsch Benjamin Pouch
US1736396A (en) * 1926-05-27 1929-11-19 Duvall James Reenforcing closure means for paper bags
US1981711A (en) * 1932-05-27 1934-11-20 Russell John Paper sack
US2539799A (en) * 1948-04-14 1951-01-30 St Regis Paper Co Bag closure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US830148A (en) * 1905-12-13 1906-09-04 Rufus W Harvey Sr Foldable purse for money, &c.
US880524A (en) * 1907-02-18 1908-03-03 Elisabeth Hauphoff Washable covering for pillows, feather-beds, quilts, and the like.
US1267193A (en) * 1917-05-18 1918-05-21 Bertram M Wakeling Grain-bag.
US1370966A (en) * 1919-07-15 1921-03-08 Hirsch Benjamin Pouch
US1736396A (en) * 1926-05-27 1929-11-19 Duvall James Reenforcing closure means for paper bags
US1981711A (en) * 1932-05-27 1934-11-20 Russell John Paper sack
US2539799A (en) * 1948-04-14 1951-01-30 St Regis Paper Co Bag closure

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913030A (en) * 1956-10-22 1959-11-17 Arnold J Fisher Moisture-free bag
US3117712A (en) * 1958-05-29 1964-01-14 Kugler Emanuel Bag
US3105628A (en) * 1962-07-05 1963-10-01 Mack Joseph Flexible plastic shopping bag
US3180557A (en) * 1962-07-10 1965-04-27 Celloplast Ab Bag with handle of weldable plastic material
US4366916A (en) * 1981-07-22 1983-01-04 Inter Ocean Marketing Corporation Convertible bag packing container and bag support device
US4877336A (en) * 1982-06-14 1989-10-31 Paramount Packaging Corporation Bottom loaded duplex bag having a handle and method of making same
US5033868A (en) * 1982-06-14 1991-07-23 Paramount Packaging Corporation Flexible plastic bag with perforated handle
US4795270A (en) * 1987-02-02 1989-01-03 Heyden Eugene L Reclosable bag with a folded portion engaged by a unitary material separation arrangement
US4752004A (en) * 1987-04-27 1988-06-21 Very Ronald A Protective cover for golf bag
US4874256A (en) * 1988-05-24 1989-10-17 Venture Packaging, Inc. Bag with carrying handle for containing merchandise
USRE34193E (en) * 1990-01-24 1993-03-09 .[.Snack bag.]. .Iadd.bag for objects such as snacks
US5816992A (en) * 1994-11-29 1998-10-06 Paramount Packaging Corporation Plastic bag having a handle integral with the gusset
US5722773A (en) * 1994-11-29 1998-03-03 Bemis Company Inc. Plastic bag having a handle integral with the gusset
US20060045390A1 (en) * 2004-08-27 2006-03-02 Sill Jonathan D Plastic bag with unitary handle and closure member
US7427161B2 (en) * 2004-08-27 2008-09-23 Inno-Pak Plastic bag with unitary handle and closure member
US20120305437A1 (en) * 2011-06-01 2012-12-06 Polyzen, Inc. Digital appliance cover
USD779282S1 (en) * 2013-04-01 2017-02-21 Laura Patten Cloth holder
USD949010S1 (en) 2019-09-25 2022-04-19 Inno-Pak, Llc Tamper evident bag seal
USD949686S1 (en) 2019-09-25 2022-04-26 Inno-Pak, Llc Tamper-evident bag seal
US11358754B2 (en) 2019-09-25 2022-06-14 Inno-Pak, Llc Tamper-evident bag seal and tamper-evident bags and methods
USD970339S1 (en) 2019-09-25 2022-11-22 Inno-Pak, Llc Tamper-evident bag seal
USD1003711S1 (en) 2019-09-25 2023-11-07 Inno-Pak, Llc Tamper-evident bag seal
US11760532B2 (en) 2020-04-30 2023-09-19 Inno-Pak, Llc Tamper evident carton
US11548690B2 (en) 2020-11-13 2023-01-10 Inno-Pak, Llc Tamper-evident bag seal with tabs and methods of use

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