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Bulk containers

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Publication number
US3374929A
US3374929A US58156066A US3374929A US 3374929 A US3374929 A US 3374929A US 58156066 A US58156066 A US 58156066A US 3374929 A US3374929 A US 3374929A
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Grant
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Prior art keywords
container
body
bottom
edge
lower
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Silfverskiold Lennart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IBC TRANSPORT CONTAINERS Ltd A CORP OF UNITED KINGDOM
LENNART SILFVERSKIOLD
Original Assignee
Silfverskiold Lennart
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00Large containers
    • B65D88/16Large containers flexible
    • B65D88/1612Flexible intermediate bulk containers [FIBC]
    • B65D88/1618Flexible intermediate bulk containers [FIBC] double-walled or with linings

Description

March 1968 L. SILFVERSKIOLD 3,374,929

BULK CONTAINERS Filed Sept. 23, 1966 l 2 Sheefcs-Sheet 1 JNVENT ge. AE/V/VART S/LF VfRSK/OLD 1477 f YS March 1968 SILFVERSKIGLD 3,

BULK CONTAINERS I Filed Sept. 23, 1966 2 SheetsSheet z INVENTIOIQ. LE/V VA RT 5/ F l/ERSK/ @LD wi /MM United States Patent ()fiice 3,374,929 Patented Mar. 26, 1968 3,374,929 BULK CONTAINERS Lennart Silfverskiiild, Strandvagen 61, Stockholm, Sweden Filed Sept 23, 1966, Ser. No. 581,560 Claims. (Cl. 222-105) The invention described herein is for an improved bulk container of the sack type made from suitable flexible treated fabrics, for the transportation of powdered or granular materials.

These containers include a body part which terminates in a funnel shaped bottom which is closed by a suitable quick opening means. Because of the shape of the bottom, unless it is supported on a flat surface, the container cannot stand erect for filling purposes. The common filling practice is to place the container on a pallet which, in effect, provides the flat bottom. When filled, the container is retained on the pallet for shipment, requiring reshipment of both the container and the pallet. 7

French Patent No. 1,185,581, patented on Feb. 16, 1959, appears to be illustrative of the closest prior art. As seen therein, a narrow band is provided at the lower end of the container and serves as a support when the container is on the pallet for filling purposes. However, upon movement, the container must be retained on the pallet and both must be reshipped to the filling station.

The primary object of this invention is the provision of means in combination with such a type of container which, without appreciably interfering with the emptying operation of the container through the funnel shaped bottom, may serve as an additional or double bottom whereby once the container is filled it may be moved from one point to another without any additional supporting means for the bottom thereof. Another object of the invention is to provide together with said additional or double bottom associated top closure means whereby there is in effect provided a second container within which the first container may be completely stowed when empty, for instance during reshipment.

The foregoing and other objects of the invention will be understood from the description herein when read in light of the following drawings wherein:

FIGURE 1 illustrates the container as it appears in a position ready to be emptied;

FIGURE 2 is a view of the filled container;

FIGURE 3 is a view looking down on the top of the container in FIGURE 2; and

FIGURE 4 is a view partly in cross-section of the container ready for reshipment.

Referring to the drawings, the container is made of a suitable flexible fabric, of sufficient strength, and properly treated, as required for the kind of contents to be carried. The container has an elongated sleeve or tubular body portion 1 with a funnel shaped bottom portion 2, the latter terminating in a spout 3. The spout is closed by a piece of rope 4 wound therearound and secured by any quick release knot.

The upper end of sleeve 1 is gathered and secured to a lifting ring 5 defining a top opening for the container of lesser diameter than the sleeve 1. Positioned circumferentially of ring 5 and spaced 90 apart are hook-like brackets 6 supporting a top yoke 7. The yoke permits the suspending of the container from a supporting or carrying means, such as a fork lift truck or an overhead crane with chains and hooks 8, without damage to the fabric. If desired, a top closure 9 of suitable material may be provided, the closure having its outer periphery secured to ring 5, and being provided with a center filling spout 10. The above-described container is given by Way of example, as the improvement herein is applicable to any type wherein there is a flexible sleeve or body and a flexible funnel type bottom.

A band or girdle 12 encircles the lower end of the body or sleeve 1 at the junction or jointure of the former with the funnel 2, As clearly seen in FIGURE 1, the lower edge of the girdle 12 lies in substantially the same plane as the lower edge of the sleeve 1 and, hence, the upper edge of funnel 2. The band or girdle 12 is sufficiently rigid to retain the tubular body portion expanded substantially to its full circumference and remain vertical when resting on its lower edge.

The girdle 12 may be a rigid band, but preferably, it is made of leather, heavy canvas, or other stiff but pliable materials which are sufliciently heavy to retain a substantially cylindrical shape, although sufficiently flexible to give, particularly radially, during handling and particularly when subjected to shock. Additionally, such materials may be sewed to body 1, thus making for ease in manufacture. If materials such as plywood, plastic or the like are used, they should be radially resilient to prevent cracking or breaking when dropped or jarred during handling. If these last-named types of bands are used, they may be secured by stapling or any of the adhesives now available which are compatible for different types of materials or they may be covered by fabric strips secured to the body 1 by suitable seams. Regardless of the type of material, it is seen that the band is permanently secured to the sleeve 1.

As is clear from the drawings, the girdle 12 encircles the body 1 and, therefore, its inner diameter is that of the outer diameter of the body 1. The girdle must be of sufficient height to define, with the funnel 2, when the latter is flat, a cylindrical bottom section with a firm circumferential vertical Wall. Associated with the girdle 12 is, in accordance with this invention, a bottom closure 13 comprising a circumferential skirt of flexible sheet material, such as fabric, having its upper edge secured to the lower edge of the girdle 12 and its length approximately the same or slightly less than the radius of the girdle. The lower edge of the skirt is provided with a hem 14 in which there is a draw cord 15 for drawing and securing the skirt in a horizontally taut position and, when in this position, a second bottom under the flat-folded funnel bottom 2 is provided for the container as seen in FIG- URES 2 and 4.

Also associated with the girdle is a top closure 16 comprising a skirt, a hem 17, and a draw cord 18 similar to the bottom closure. The top closure has the lower end of its skirt secured to the upper edge of the girdle. The upper edge or hem 17 of the top closure may be provided with hooks engageable in loops 20 on the body 1.

With the described construction, when the container is to be filled, as the ring 5 is raised, the sleeve or body 1 will be open to its full circumference above the girdle 12 and the upper closure 16 also serves as an additional outer reeinforcing layer or wall for the body 1. The content will initially be confined within the lower section providing sufficient weight to anchor and hold the container erect. After filling and lifting, the bottom closure 13 will maintain the bottom of the container substantially flat whereby it may be shipped without additional support.

As best seen in FIGURE 4, the girdle 12 is of sufiicient height to permit the remainder of the container including the ring 5 and yoke 7 to be completely stowed therein when the container is empty. When so stowed, with the top and bottom closures secured in their flat position, it is seen that the girdle 12 and the top and bottom closures constitute a complete separate container permitting ready reshipment of the entire device when it is not in use.

If desired, the top closure 16 may be extended upwardly from the hem 17 as indicated at 21 and have its upper edge secured to the upper edge of the container body 1. With this construction, a double body is provided, when the container is raised up, and because lighter fabrics may be used, the additional cost is substantially ofr' set. It is also apparent that inasmuch as the hem 17 is on the outside of the outer body, when the rest of the container is stowed the lower portion 16 still functions as the top closure for the lower section of the empty shipping container.

The container illustrated provides many advantages, particularly those permitting shipment when filled with the bottom remaining substantially flat, and upon reshipment the provision of a unitary package which is readily handled, easily stacked, occupies minimum space, and pr tects the main body from damage.

It is apparent that the preferred embodiments and modifications thereof have been described, and that many changes could be made by the substitution of equivalents. The appended claims define the patentable and equivalent subject matter.

I claim:

1. In a bulk container the combination of an elongated tubular fabric container body, a funnel shaped flexible container bottom extending from the lower end of the contained body, having a closable lower end opening and being foldable into a substantially flat position, when the container is empty, a band encircling and secured to the lower end of the body, having its lower edge adjacent the jointure of the body and the funnel shaped container bottom and being sufliciently rigid to retain the tubular container body expanded substantially to its full circumference, and an additional bottom closure for the encircling band comprising a fabric skirt exterior of the container bottom and having its upper edge secured to the lower edge of the band and extending downwardly therefrom with its lower edge free, the skirt having a length approximating the radius of the band and securing means associated with the free edge of the skirt for releasably securing the skirt in substantially flat position under the container bottom, when the latter is in a folded in, substantially fiat position.

2. In a bulk container the combination as claimed in claim 1, wherein to the upper edge of said hand there is secured a top closure for the body encircling band comprising a second flexible skirt exterior of the container body and extending upwardly from the band with its upper edge free and securing means associated with the free edge of the skirt for releasably securing the skirt in substantially flat position above the container body when the latter is collapsed within said band.

3. In a bulk container the combination as claimed in claim 2, wherein said top closure extends above the securing means and has its upper edge secured to the top of the body whereby a complete double wall is provided.

4. In a bulk container the combination as claimed in claim 1, wherein the upper end of the container body is secured to a top lifting ring, said ring being of lesser diameter than the encircling band whereby it may be stowed within the band upon stowage of the body.

5. In a bulk container the combination as claimed in claim 4, wherein said band has a height exceeding the height of said ring.

References Cited UNITED STATES PATENTS 3,131,832 5/1964 Strandberg et al 2221O5 FOREIGN PATENTS 1,185,581 2/1959 France.

DONALD F. NORTON, Primary Examiner.

Claims (1)

1. IN A BULK CONTAINER THE COMBINATION OF AN ELONGATED TUBULAR FABRIC CONTAINER BODY, A FUNNEL SHAPED FLEXIBLE CONTAINER BOTTOM EXTENDING FROM THE LOWER END OF THE CONTAINED BODY, HAVING A CLOSABLE LOWER END OPENING AND BEING FOLDABLE INTO A SUBSTANTIALLY FLAT POSITION, WHEN THE CONTAINER IS EMPTY, A BAND ENCIRCLING AND SECURED TO THE LOWER END OF THE BODY, HAVING ITS LOWER EDGE ADJACENT THE JOINTURE OF THE BODY AND THE FUNNEL SHAPED CONTAINER BOTTOM AND BEING SUFFICIENTLY RIGID TO RETAIN THE TUBULAR CONTAINER BODY EXPANDED SUBSTANTIALLY TO ITS FULL CIRCUMFERENCE, AND AN ADDITIONAL BOTTOM CLOSURE FOR THE ENCIRCLING BAND COMPRISING A FABRIC SKIRT EXTERIOR OF THE CONTAINER BOTTOM AND HAVING ITS UPPER EDGE SECURED TO THE LOWER EDGE OF THE BAND AND EXTENDING DOWNWARDLY THEREFROM WITH ITS LOWER EDGE FREE, THE SKIRT HAVING A LENGTH APPROXIMATING THE RADIUS OF THE BAND AND SECURING MEANS ASSOCIATED WITH THE FREE EDGE OF THE SKIRT FOR RELEASABLY SECURING THE SKIRT IN SUBSTANTIALLY FLAT POSITION UNDER THE CONTAINER BOTTOM, WHEN THE LATTER IS IN A FOLDED IN, SUBSTANTIALLY FLAT POSITION.
US3374929A 1966-09-23 1966-09-23 Bulk containers Expired - Lifetime US3374929A (en)

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Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3554434A (en) * 1968-11-08 1971-01-12 Dave Chapman Free-standing flexible package
US3638699A (en) * 1968-08-02 1972-02-01 Waagner Biro Ag Structure for transporting and storing flowable materials
US3789897A (en) * 1970-09-11 1974-02-05 Shinwa Kagaku Kogyo Kk Packing containers
US3802669A (en) * 1972-08-23 1974-04-09 R Nohmura Method for producing raw concrete
US3893595A (en) * 1973-09-21 1975-07-08 False Creek Ind Ltd Suspended flexible container with latched bottom opening
US3962959A (en) * 1974-04-11 1976-06-15 Better Agricultural Goals Corporation Method of making disposable container for bulk materials
US4113146A (en) * 1974-04-11 1978-09-12 Better Agricultural Goals Corporation Disposable container for bulk materials
US4167235A (en) * 1976-02-17 1979-09-11 Altainer, Inc. Loose fill dispensing and storage system
FR2436720A1 (en) * 1978-09-19 1980-04-18 Windmoeller & Hoelscher Bag bottom crosses resealable
US4221250A (en) * 1977-12-01 1980-09-09 Giancarlo Manerba Method for making a great capacity bag and the related improved bag
US4290466A (en) * 1979-11-15 1981-09-22 Oscar Villa Convertible container-holder that becomes the neck of a folding receptacle
US4340379A (en) * 1978-09-11 1982-07-20 Better Agricultural Goals Corporation Reinforced container for bulk material
US4364424A (en) * 1981-06-29 1982-12-21 Bulk Lift International, Inc. End wall closure for bulk material transport bag
US4457456A (en) * 1981-12-31 1984-07-03 Super Sack Manufacturing Company Collapsible receptacle with static electric charge elimination
US4479243A (en) * 1982-05-07 1984-10-23 Super Sack Manufacturing Corporation Collapsible receptacle with prefabricated lift loops and method of making
US4603432A (en) * 1985-01-22 1986-07-29 Marino Thomas F Spill containment bag and method of using the same
USRE32308E (en) * 1981-06-29 1986-12-16 Bulk Lift International Incorporated End wall closure for bulk material transport bag
US4640328A (en) * 1984-05-16 1987-02-03 Arney D B Collapsible liquid container particularly for transportation by helicopter
US4682716A (en) * 1983-12-19 1987-07-28 Peter Morellini Gripping apparatus
US4691371A (en) * 1985-12-26 1987-09-01 Super Sack Manufacturing Corporation Receptacle having improved discharge spout
US4903859A (en) * 1988-09-23 1990-02-27 Better Agricultural Goals, Inc. Container for flowable materials
US4966310A (en) * 1988-12-01 1990-10-30 Hawkins Gerald P Collapsible storage container and method for storing matter
US5076710A (en) * 1990-11-20 1991-12-31 Super Sack Manufacturing Corporation Spread strap flexible bulk container
US5158367A (en) * 1990-11-20 1992-10-27 Super Sack Manufacturing Corporation Spread strap flexible bulk container
US5165802A (en) * 1990-11-20 1992-11-24 Super Sack Manufacturing Corporation Spread strap flexible bulk container
US5340218A (en) * 1993-03-19 1994-08-23 Transac, Inc. Bulk storage bag with remotely openable discharge spout
US5451108A (en) * 1992-04-01 1995-09-19 Anderson; Bruce Container
US5671870A (en) * 1994-12-19 1997-09-30 Fmc Corporation Returnable dry product container
WO1997037897A1 (en) * 1996-04-10 1997-10-16 Seec, Inc. Reusable flexible transport container
US5823684A (en) * 1995-07-21 1998-10-20 Europeenne De Retraitement De Catalyseurs Eurecat Protective belt for a drum formed by a transport bag for powdery materials
US5947333A (en) * 1998-02-25 1999-09-07 Hoffman Bulk bag discharge system and method
US5951799A (en) * 1995-06-07 1999-09-14 Super Sack Manufacturing Corp. Anti-microbial shoe lining and sock liner and process for manufacture of same
WO2002034635A1 (en) * 2000-10-20 2002-05-02 Acadia Industries, Inc. Bulk bag with remote discharge
US20020101779A1 (en) * 2001-01-29 2002-08-01 Robert Cruso Concrete admixture packaging and batch feed system
US6549744B2 (en) * 2000-01-07 2003-04-15 Ricoh Company, Ltd. Powder container for an image forming apparatus and powder discharging device
US6585843B2 (en) 1992-01-10 2003-07-01 Super Sack Mfg. Corp. Anti-static, anti-corrosion, and/or anti-microbial films, fabrics, and articles
US6592702B2 (en) 1992-01-10 2003-07-15 Super Sack Mfg. Corp. Anti-static, anti-corrosion, and/or anti-microbial films, fabrics, and articles
US6666287B2 (en) 2001-10-26 2003-12-23 Quinn Holtby Method and apparatus for enclosing an oil drilling rig
US20050254732A1 (en) * 2004-05-14 2005-11-17 Eisenbarth Bradley M Method of and apparatus for reinforcing combo boxes
WO2016138358A1 (en) * 2015-02-27 2016-09-01 Danny Earp Blasting fluid effluent containment device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1185581A (en) * 1959-04-03 1959-08-03 Saint Gobain Container, in particular for transporting bulk goods
US3131832A (en) * 1963-02-15 1964-05-05 Strandberg Arne Collapsible container and support therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1185581A (en) * 1959-04-03 1959-08-03 Saint Gobain Container, in particular for transporting bulk goods
US3131832A (en) * 1963-02-15 1964-05-05 Strandberg Arne Collapsible container and support therefor

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638699A (en) * 1968-08-02 1972-02-01 Waagner Biro Ag Structure for transporting and storing flowable materials
US3554434A (en) * 1968-11-08 1971-01-12 Dave Chapman Free-standing flexible package
US3789897A (en) * 1970-09-11 1974-02-05 Shinwa Kagaku Kogyo Kk Packing containers
US3802669A (en) * 1972-08-23 1974-04-09 R Nohmura Method for producing raw concrete
US3893595A (en) * 1973-09-21 1975-07-08 False Creek Ind Ltd Suspended flexible container with latched bottom opening
US4113146A (en) * 1974-04-11 1978-09-12 Better Agricultural Goals Corporation Disposable container for bulk materials
US3962959A (en) * 1974-04-11 1976-06-15 Better Agricultural Goals Corporation Method of making disposable container for bulk materials
US4167235A (en) * 1976-02-17 1979-09-11 Altainer, Inc. Loose fill dispensing and storage system
US4221250A (en) * 1977-12-01 1980-09-09 Giancarlo Manerba Method for making a great capacity bag and the related improved bag
US4340379A (en) * 1978-09-11 1982-07-20 Better Agricultural Goals Corporation Reinforced container for bulk material
FR2436720A1 (en) * 1978-09-19 1980-04-18 Windmoeller & Hoelscher Bag bottom crosses resealable
US4284229A (en) * 1978-09-19 1981-08-18 Windmoller & Holscher Reclosable cross-bottom sack
US4290466A (en) * 1979-11-15 1981-09-22 Oscar Villa Convertible container-holder that becomes the neck of a folding receptacle
US4364424A (en) * 1981-06-29 1982-12-21 Bulk Lift International, Inc. End wall closure for bulk material transport bag
USRE32308E (en) * 1981-06-29 1986-12-16 Bulk Lift International Incorporated End wall closure for bulk material transport bag
US4457456A (en) * 1981-12-31 1984-07-03 Super Sack Manufacturing Company Collapsible receptacle with static electric charge elimination
US4479243A (en) * 1982-05-07 1984-10-23 Super Sack Manufacturing Corporation Collapsible receptacle with prefabricated lift loops and method of making
US4682716A (en) * 1983-12-19 1987-07-28 Peter Morellini Gripping apparatus
US4640328A (en) * 1984-05-16 1987-02-03 Arney D B Collapsible liquid container particularly for transportation by helicopter
US4603432A (en) * 1985-01-22 1986-07-29 Marino Thomas F Spill containment bag and method of using the same
US4691371A (en) * 1985-12-26 1987-09-01 Super Sack Manufacturing Corporation Receptacle having improved discharge spout
US4903859A (en) * 1988-09-23 1990-02-27 Better Agricultural Goals, Inc. Container for flowable materials
US4966310A (en) * 1988-12-01 1990-10-30 Hawkins Gerald P Collapsible storage container and method for storing matter
US5158367A (en) * 1990-11-20 1992-10-27 Super Sack Manufacturing Corporation Spread strap flexible bulk container
US5165802A (en) * 1990-11-20 1992-11-24 Super Sack Manufacturing Corporation Spread strap flexible bulk container
US5076710A (en) * 1990-11-20 1991-12-31 Super Sack Manufacturing Corporation Spread strap flexible bulk container
US6592702B2 (en) 1992-01-10 2003-07-15 Super Sack Mfg. Corp. Anti-static, anti-corrosion, and/or anti-microbial films, fabrics, and articles
US6585843B2 (en) 1992-01-10 2003-07-01 Super Sack Mfg. Corp. Anti-static, anti-corrosion, and/or anti-microbial films, fabrics, and articles
US5451108A (en) * 1992-04-01 1995-09-19 Anderson; Bruce Container
US5340218A (en) * 1993-03-19 1994-08-23 Transac, Inc. Bulk storage bag with remotely openable discharge spout
US5671870A (en) * 1994-12-19 1997-09-30 Fmc Corporation Returnable dry product container
US5951799A (en) * 1995-06-07 1999-09-14 Super Sack Manufacturing Corp. Anti-microbial shoe lining and sock liner and process for manufacture of same
US5823684A (en) * 1995-07-21 1998-10-20 Europeenne De Retraitement De Catalyseurs Eurecat Protective belt for a drum formed by a transport bag for powdery materials
WO1997037897A1 (en) * 1996-04-10 1997-10-16 Seec, Inc. Reusable flexible transport container
US5947333A (en) * 1998-02-25 1999-09-07 Hoffman Bulk bag discharge system and method
US6076702A (en) * 1998-02-25 2000-06-20 Spiroflow-Orthos Systems, Inc. Bulk bag discharge system and method
US6549744B2 (en) * 2000-01-07 2003-04-15 Ricoh Company, Ltd. Powder container for an image forming apparatus and powder discharging device
WO2002034635A1 (en) * 2000-10-20 2002-05-02 Acadia Industries, Inc. Bulk bag with remote discharge
US6431753B1 (en) * 2000-10-20 2002-08-13 Acadia Industries, Inc. Bulk bag with remote discharge
US6554465B2 (en) * 2001-01-29 2003-04-29 Robert Cruso Concrete admixture packaging and batch feed system
US20020101779A1 (en) * 2001-01-29 2002-08-01 Robert Cruso Concrete admixture packaging and batch feed system
US6666287B2 (en) 2001-10-26 2003-12-23 Quinn Holtby Method and apparatus for enclosing an oil drilling rig
US20050254732A1 (en) * 2004-05-14 2005-11-17 Eisenbarth Bradley M Method of and apparatus for reinforcing combo boxes
WO2016138358A1 (en) * 2015-02-27 2016-09-01 Danny Earp Blasting fluid effluent containment device

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AS Assignment

Owner name: IBC TRANSPORT CONTAINERS LIMITED, 27 THE PRECINCT,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SILFVERSKIOLD, LENNART;REEL/FRAME:004056/0237

Effective date: 19820823