WO1996025337A1 - Containers with variable volume - Google Patents

Containers with variable volume Download PDF

Info

Publication number
WO1996025337A1
WO1996025337A1 PCT/NZ1996/000008 NZ9600008W WO9625337A1 WO 1996025337 A1 WO1996025337 A1 WO 1996025337A1 NZ 9600008 W NZ9600008 W NZ 9600008W WO 9625337 A1 WO9625337 A1 WO 9625337A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
volume
sleeve
upper
lower
Prior art date
Application number
PCT/NZ1996/000008
Other languages
French (fr)
Inventor
Alan Mark Crawley
Original Assignee
Amcad Holdings Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to NZ27048895 priority Critical
Priority to NZ270488 priority
Application filed by Amcad Holdings Limited filed Critical Amcad Holdings Limited
Publication of WO1996025337A1 publication Critical patent/WO1996025337A1/en

Links

Classifications

    • 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
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • 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
    • B65D11/00Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
    • B65D11/02Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material of curved cross-section
    • B65D11/04Bottles or similar containers with necks or like restricted apertures designed for pouring contents
    • 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
    • B65D21/00Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/08Containers of variable capacity
    • B65D21/086Collapsible or telescopic containers
    • 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
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers

Abstract

A container (10) of variable volume comprises an inner flexible member (1) substantially enclosed in a number of interlocking outer sleeves (3, 14). The volume of the container (10) can be varied by moving at least one outer sleeve (3, 14) relative to another outer sleeve (3, 14). Means for moving the outer sleeves (14, 3) to vary the volume of the container (10) include rotating screw-threaded outer sleeves (3, 14), moving an outer sleeve relative to another by means of a ratchet, or by using multi-level bayonet type connection.

Description

CONTAINERS WITH VARIABLE VOLUME

BACKGROUND

The present invention relates to a container wherein the volume of the container can be varied so as to minimise the amount of air in the container.

Containers are generally of fixed volume. It is usually necessary to have a number of containers of different sizes as it is well known that food will last longer if its contact with air is minimised. Also having containers larger than is necessary sometimes presents a problem, especially when space is at a premium.

Another problem often encountered is that of aerated drinks going "flat" or losing carbonation when stored. This is a result of the gas escaping from the drink into the neighbouring air.

It is an object of this invention to provide a container having a variable volume which will attempt to overcome the above disadvantages, or which will at least provide the public with a useful alternative choice.

According to one aspect of the present invention there is provided a container comprising an inner flexible member substantially enclosed in a number of interlocking outer sleeves, wherein the volume of the inner flexible member container can be varied by moving at least one outer sleeve relative to another outer sleeve. The interlocking sleeves can be screw threaded together so that by twisting the sleeves relative to each other the volume of the member can be varied.

The interlocking sleeves can alternatively move relative to each other by means of a ratchet. An upper sleeve can include at least two series of externally projecting teeth. A handle on a lower sleeve can be provided to act as a pawl for each series of externally projecting teeth. To decrease the volume of the container, the upper sleeve can be pushed downwards towards and into the lower sleeve. To release the sleeves and hence to increase the volume of the container, the handles can be used, or the upper and lower sleeves can be rotated relative to each other.

The interlocking sleeves can alternatively move relative to each other by means of a multi-level bayonet connection. The multi-level bayonet connection alternatively is formed by providing in either an upper or lower sleeve opposed grooves, each set of grooves comprising a plurality of transverse grooves connected by a longitudinal groove. At least two pin members can extend from the adjacent lower sleeve or upper sleeve to fit one into each set of grooves in the other sleeve. Rotation of the upper and lower sleeves causes the transverse pins to move in the transverse grooves to the longitudinal groove and hence to vary the volume of the container in a push/pull and twist action. The inner flexible member can be fixed to the base of the lower sleeve by means of a pin. The inner flexible member can be welded to the upper sleeve.

Alternatively, a lip of the inner flexible member can protrude through an opening in the container, hence providing a seal between the inner flexible member and a cap. This allows the inner flexible member to be removed completely from the outer sleeves.

The inner flexible member can be concertina or balloon-like.

The container can be sealed by means of the cap, the cap including a threaded skirt with a float mounted therein. The float has a skirt mounted thereon or formed integrally therewith and a button section. As the volume of the container is decreased by moving one outer sleeve relative to another outer sleeve, air can escape through a passage between the outer edge of the skirt and inner surface of the cap and threaded skirt. Once a liquid or other flowable material reaches the float, the float rises, gradually shutting off the escape of air when the skirt contacts the inner surface of the cap.

According to a further aspect of the invention, there is provided a variable volume container comprising an exterior casing with an inner flexible bladder, the internal volume of which is adjusted by moving one end of the bladder by any suitable means so that in use the volume of the flexible bladder and the volume of its contents are substantially the same. BRIEF DESCRIPTION OF DRAWINGS

Further aspects of the invention will become apparent from the following description which is given by way of example with reference to the accompanying drawings in which:

Figure 1 shows a vertical sectional view of the container according to one embodiment of the present invention;

Figure 2 shows a sectional view of one half of the cap according to one embodiment of the present invention;

Figure 3 shows a cross-sectional view of a container according to another embodiment of the invention; and

Figure 4 shows a cross-sectional view of a container according to a further embodiment of the invention.

DETAILED DESCRIPTION

In the example seen in Figure 1 , the container 10 includes an inner flexible member 1. This inner member 1 is concertina, and permanently attached to upper sleeve 14. The inner member 1 is attached by a pin 2 to the bottom sleeve 3, allowing the bottom sleeve 3 and inner member 1 to rotate independently. The bottom sleeve 3 and upper sleeve 14 have the same diameters, and both have an internal thread. The height of the bottom sleeve 3 and upper sleeve 14 is substantially one sixth of the height of the container when fully extended. Bottom sleeve 3 interlocks with section 4. Section 4 is threaded on both sides, so as to interlock with bottom sleeve 3 and centre section 5. A similar section 4' to section 4 fits between centre section 5 and upper sleeve 14. Sections 4 and 4' are substantially one sixth of the container height when fully extended, and centre section 5 is substantially one third of the height of the container when fully extended.

The uppermost internal thread 6 in each section of sleeve 3 and 4 and the lower most internal thread 6' of each section 4' and 14 has a different smaller thread contour to the remaining thread. Conversely, the lower most external thread 7 in each section 4 and 5 and the uppermost external thread 7' in each section 4' and 5 has greater thread contours. The combination of these contours prevents the threaded sections 3, 4, 4', 5 and 14 from separating because of frictional engagement therebetween.

Thus, the threaded sections and sleeves 3, 4, 4', 5 and 14 can be screwed downwards to one third of the container's full height. When the threaded sections 3, 4, 4', 5 and 14 are screwed upwards, the full container height is achieved and the sizes of threads 6 and 7 prevent the sections and sleeves 3, 4, 4', 5 and 14 coming apart.

At the top of upper sleeve 14, there is an external threaded opening 15, onto which a cap 9 fits. The cap 9 includes a threaded skirt 8, skirt 13 and float 1 1. The threaded skirt 8 interlocks with threaded opening 15. Figure 2 shows part of the cap 9. When the sections and sleeves 3, 4, 4', 5 and 14 are screwed down to reduce the volume of the container 10, air can escape from the container 10 by way of passage 12 between threaded skirt 8 and skirt 13. The lowering of cap 9 causes float 1 1 to come into contact with and float on any liquids or other flowable material in the member 1 . This gradual rising of float 1 1 , and consequentially skirt 13, causes passage 12 to be blocked and the container 10 to be sealed. Any further internal pressure, either from further reducing the internal volume or gases escaping from the liquid, will increase the sealing effect of the cap 9.

If the skirt 13 ever jams up against closure 8, finger pressure on button section 16 will open the cap and allow further air to escape.

Figure 3 shows another embodiment of the invention, wherein the volume of the container is varied by means of a ratchet and pawl mechanism. The upper sleeve 14 has two sets of externally projecting teeth 16. It is to be appreciated that more than two sets may be provided. A pawl handle 17 is provided on the lower sleeve 3. To decrease the volume of the container, the upper sleeve is pushed downwards towards the lower sleeve. The pawl inner end of the pawl handle 17 locks in the teeth 16 to maintain a particular volume for the container. Movement of the handle 17 can release the ratchet mechanism, in order for the volume of the containers to be increased. Alternatively, rotation of the upper and lower sleeve 14, 3 may be used to release the ratchet, so as to increase the volume of the container. Figure 4 shows yet another embodiment of the invention, wherein the volume of the container is varied by means of multi-level bayonet type connections. The connection in the example has the lower sleeve 3 with two sets of shaped grooves, each set comprising a plurality of transverse grooves 19 connected by a longitudinal groove 20. Upper sleeve 14 has a pin member 21 which fits into grooves 19, 20. By moving (Twisting and pushing/pulling) the upper sleeve 14 relative to lower sleeve 3, or vice versa, the member 21 can move between transverse grooves 19 by means of the longitudinal groove, and hence vary the volume of the container.

It will thus be seen that the present invention provides a container wherein the volume of the container can be varied so as to minimise the amount of air in the container.

Where in the aforegoing description, reference has been made to integers or components having known equivalents, then such equivalents are herein incorporated as if individually set forth.

Although this invention has been described by way of example and with reference to possible embodiments thereof, it is to be appreciated that improvements and/or modifications may be made thereto without departing from the scope or spirit of the invention, and in the appended claims.

Claims

1. A container comprising an inner flexible member substantially enclosed in a number of interlocking outer sleeves wherein the volume of the inner flexible member can be varied by moving at least one outer sleeve relative to another outer sleeve.
2. A container as claimed in claim 1 including an upper outer sleeve and a lower outer sleeve.
3. A container as claimed in claim 2 wherein the upper outer sleeve has an externally threaded opening.
4. A container as claimed in either claims 2 or 3 wherein the inner flexible member is fixed to the base of the lower outer sleeve.
5. A container as claimed in any one of claims 2 to 4 wherein the inner flexible member is permanently secured to the upper outer sleeve.
6. A container as claimed in either claims 3 or 4 wherein a lip of the inner flexible member protrudes through the externally threaded opening, so as to provide a seal between the inner flexible member and a cap.
7. A container as claimed in any one of claims 1 to 6 wherein the outer sleeves are screw threaded together.
8. A container as claimed in any one of claims 2 to 6 wherein the outer sleeves move relative to each other by means of a ratchet.
9. A container as claimed in claim 8 wherein the upper sleeve includes at least two sets of externally projecting teeth.
10. A container as claimed in claim 9 wherein a pawl handle on the lower sleeve is provided for each series of externally projecting teeth.
1 1 . A container as claimed in claim 10 wherein movement of the handle between teeth causes the ratchet connection to be released, and hence the volume of the container to increase.
12. A container as claimed in claim 9 wherein rotation of the upper and lower sleeves causes the volume of the container to vary.
13. A container as claimed in any one of claims 2 to 6 wherein the outer sleeves move relative to each other by means of a multi-level bayonet type connection.
14. A container as claimed in claim 13 wherein the bayonet type connection is formed in either the lower or upper sleeve with at least two sets of shaped grooves, each set comprising a plurality of transverse grooves connected by a longitudinal groove.
15. A container as claimed in claim 14 wherein at least two pin members extend from either the lower or upper sleeve and each pin member fits into a set of shaped grooves in the other sleeve.
1 6. A container as claimed in claim 1 5 wherein rotation of the upper and lower sleeves causes the pin member to move in a twist or push/pull action between the transverse grooves by means of the longitudinal groove and hence to vary the volume of the container.
1 7. A container as claimed in any one of the preceding claims wherein the container is sealed by means of a cap.
18. A container as claimed in claim 17 wherein the cap includes a closure with a skirt.
1 9. A container as claimed in claim 1 8 wherein the skirt has a float and a button section.
20. A container as claimed in claim 1 9 wherein as the volume of the container is decreased, air escapes through a passage between the outer edge of the skirt and inner surface of the closure.
21 . A container as claimed in claim 20 wherein when a flowable material reaches the float, the float rises, gradually shutting off the passage between the outer edge of the skirt and inner surface of the closure.
22. A container substantially as herein described with reference to the accompanying drawings.
23. A variable volume container comprising an exterior casing with an inner flexible bladder, the internal volume of which is adjusted by moving one end of the bladder by any suitable means, so that in use the volume of the flexible bladder and the volume of its contents are substantially the same.
24. A variable volume container substantially as herein described with reference to the accompanying drawings.
PCT/NZ1996/000008 1995-02-13 1996-02-13 Containers with variable volume WO1996025337A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ27048895 1995-02-13
NZ270488 1995-02-13

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP52486296A JPH11500089A (en) 1995-02-13 1996-02-13 Capacity variable container
AT96902518T AT207441T (en) 1995-02-13 1996-02-13 Container with variable volume
DE1996616287 DE69616287D1 (en) 1995-02-13 1996-02-13 Container with variable volume
EP96902518A EP0809590B1 (en) 1995-02-13 1996-02-13 Containers with variable volume
AU46800/96A AU4680096A (en) 1995-02-13 1996-02-13 Containers with variable volume

Publications (1)

Publication Number Publication Date
WO1996025337A1 true WO1996025337A1 (en) 1996-08-22

Family

ID=19925141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ1996/000008 WO1996025337A1 (en) 1995-02-13 1996-02-13 Containers with variable volume

Country Status (11)

Country Link
EP (2) EP0809590B1 (en)
JP (1) JPH11500089A (en)
KR (1) KR19980702202A (en)
CN (2) CN1077066C (en)
AT (1) AT207441T (en)
AU (1) AU4680096A (en)
CA (1) CA2212876A1 (en)
DE (1) DE69616287D1 (en)
MX (1) MX9706444A (en)
WO (1) WO1996025337A1 (en)
ZA (1) ZA9601142B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742732A1 (en) * 1997-09-26 1999-04-08 Daimlerchrysler Aerospace Ag Transporter container for service modules especially with base plate
FR2781763A1 (en) * 1998-07-31 2000-02-04 Robert Planet Concept allowing the stacking of bottles or plastic packs after their usage
DE10003421A1 (en) * 2000-01-26 2001-08-02 Heinrich Sauter Fabrik Tech Fe Ornamental container is made up of cylindrical sections in form of spiral springs screwed into connecting components which are also spiral springs
EP2904914A1 (en) * 2014-02-05 2015-08-12 Imperial Tobacco Ltd. Container for snus, tobacco related or smoking related articles and method
CN105772126A (en) * 2016-04-26 2016-07-20 陶栋梁 Waterproof and airproof container
US10390561B2 (en) 2015-06-16 2019-08-27 Fiedler & Lundgren Ab Container
US10464724B2 (en) 2015-06-16 2019-11-05 Fiedler & Lundgren Ab Container

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1524194A1 (en) * 2003-10-06 2005-04-20 Masharu Tamashiro Container for packing soft drinks with adjustment of the inside volume
JP4800165B2 (en) * 2006-09-29 2011-10-26 ヤマハ発動機株式会社 Component supply device and surface mounter
TWI408082B (en) * 2010-12-31 2013-09-11 Univ Shu Te Pack container
JP5059979B1 (en) * 2012-01-23 2012-10-31 秀幸 今喜多 Variable capacity container
CN102935914B (en) * 2012-11-22 2015-06-10 深圳市华星光电技术有限公司 Packing case and retaining wall for same
US20140305935A1 (en) * 2013-04-16 2014-10-16 Dart Industries Inc. Expanding food storage container
JP5876604B1 (en) * 2015-03-20 2016-03-02 涼 福田 Food containers for viscous materials
CN104787492A (en) * 2015-04-24 2015-07-22 南京市妇幼保健院 Rotary liquid discharge type container
CN106181936A (en) * 2016-08-30 2016-12-07 安吉印象家具有限公司 The most continuously adjustable box
CN108146780A (en) * 2017-10-30 2018-06-12 大连民族大学 A kind of adjustable container in space
CN108146782A (en) * 2017-12-26 2018-06-12 湛江紫荆羽绒制品有限公司 A kind of natural feather storage device convenient for change volume size
CN108297481A (en) * 2018-01-31 2018-07-20 六安维奥智能科技有限公司 A kind of variable cup body dixie cup and its production method
CN109630893A (en) * 2019-01-11 2019-04-16 宁波润华全芯微电子设备有限公司 A kind of continuous-stable liquid-supplying system

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US4429811A (en) * 1982-01-07 1984-02-07 Bakeman Delbert C Liquid storage container assembly and decanter
US4450982A (en) * 1982-07-22 1984-05-29 Ferreira Americo S Toothpaste dispenser
AU9116682A (en) * 1982-12-07 1984-06-14 Motion, J.A.C. Collapsible tube expressor
US4456134A (en) * 1982-01-22 1984-06-26 Leonard Cooper Apparatus for containment of carbonated beverages
EP0167482A1 (en) * 1984-07-04 1986-01-08 Battelle Memorial Institute Dispenser for a beverage susceptible to liberating a gas in solution
DE3606711A1 (en) * 1986-03-01 1987-09-03 Bramlage Gmbh donor
US5238150A (en) * 1991-02-01 1993-08-24 William Dispenser Corporation Dispenser with compressible piston assembly for expelling product from a collapsible reservoir
US5356037A (en) * 1993-06-21 1994-10-18 Pakmax, Inc. Lift and drop ratchet stick dispenser

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US4046279A (en) * 1974-04-19 1977-09-06 Hilti Aktiengesellschaft Packing container for objects of variable lengths
GB2127494B (en) * 1982-08-18 1986-02-26 Kwaun Peng Koh Portable dispenser for semi-solids
GB2275675A (en) * 1993-03-06 1994-09-07 Stephen Graham Rutherford Ventable closure for pressurized containers

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US3955698A (en) * 1975-01-13 1976-05-11 Hammer Ilse M Nursing bottle for collapsible liquid containers
US4429811A (en) * 1982-01-07 1984-02-07 Bakeman Delbert C Liquid storage container assembly and decanter
US4456134A (en) * 1982-01-22 1984-06-26 Leonard Cooper Apparatus for containment of carbonated beverages
US4450982A (en) * 1982-07-22 1984-05-29 Ferreira Americo S Toothpaste dispenser
AU9116682A (en) * 1982-12-07 1984-06-14 Motion, J.A.C. Collapsible tube expressor
EP0167482A1 (en) * 1984-07-04 1986-01-08 Battelle Memorial Institute Dispenser for a beverage susceptible to liberating a gas in solution
DE3606711A1 (en) * 1986-03-01 1987-09-03 Bramlage Gmbh donor
US5238150A (en) * 1991-02-01 1993-08-24 William Dispenser Corporation Dispenser with compressible piston assembly for expelling product from a collapsible reservoir
US5356037A (en) * 1993-06-21 1994-10-18 Pakmax, Inc. Lift and drop ratchet stick dispenser

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19742732A1 (en) * 1997-09-26 1999-04-08 Daimlerchrysler Aerospace Ag Transporter container for service modules especially with base plate
DE19742732C2 (en) * 1997-09-26 2002-04-25 Astrium Gmbh Transport container
FR2781763A1 (en) * 1998-07-31 2000-02-04 Robert Planet Concept allowing the stacking of bottles or plastic packs after their usage
DE10003421A1 (en) * 2000-01-26 2001-08-02 Heinrich Sauter Fabrik Tech Fe Ornamental container is made up of cylindrical sections in form of spiral springs screwed into connecting components which are also spiral springs
EP2904914A1 (en) * 2014-02-05 2015-08-12 Imperial Tobacco Ltd. Container for snus, tobacco related or smoking related articles and method
US9538785B2 (en) 2014-02-05 2017-01-10 Imperial Tobacco Limited Container for snus, tobacco related or smoking related articles and method
US10390561B2 (en) 2015-06-16 2019-08-27 Fiedler & Lundgren Ab Container
US10464724B2 (en) 2015-06-16 2019-11-05 Fiedler & Lundgren Ab Container
CN105772126A (en) * 2016-04-26 2016-07-20 陶栋梁 Waterproof and airproof container
CN105772126B (en) * 2016-04-26 2019-03-01 陶栋梁 A kind of container of waterproof gas-tight

Also Published As

Publication number Publication date
EP0809590B1 (en) 2001-10-24
AU4680096A (en) 1996-09-04
DE69616287D1 (en) 2001-11-29
AT207441T (en) 2001-11-15
CN1077066C (en) 2002-01-02
MX9706444A (en) 1998-07-31
CN1295011A (en) 2001-05-16
EP1078860A1 (en) 2001-02-28
ZA9601142B (en) 1996-10-23
EP0809590A1 (en) 1997-12-03
CN1177325A (en) 1998-03-25
CA2212876A1 (en) 1996-08-22
EP0809590A4 (en) 1998-05-27
JPH11500089A (en) 1999-01-06
KR19980702202A (en) 1998-07-15

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