US3456860A - Double wall cup - Google Patents

Double wall cup Download PDF

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Publication number
US3456860A
US3456860A US3456860DA US3456860A US 3456860 A US3456860 A US 3456860A US 3456860D A US3456860D A US 3456860DA US 3456860 A US3456860 A US 3456860A
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US
United States
Prior art keywords
cup
ribs
inner
outer
walls
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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
William L Janninck
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Dart Container Corp
Original Assignee
Illinois Tool Works Inc
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
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Priority to US69652268A priority Critical
Application granted granted Critical
Publication of US3456860A publication Critical patent/US3456860A/en
Assigned to DART CONTAINER CORPORATION reassignment DART CONTAINER CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ILLINOIS TOOL WORKS, INC.
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/0055Constructional details of the elements forming the thermal insulation
    • A47J41/0072Double walled vessels comprising a single insulating layer between inner and outer walls
    • A47J41/0077Double walled vessels comprising a single insulating layer between inner and outer walls made of two vessels inserted in each other
    • 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
    • B65D81/38Containers, 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 with thermal insulation
    • B65D81/3865Containers, 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 with thermal insulation drinking cups or like containers
    • B65D81/3869Containers, 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 with thermal insulation drinking cups or like containers formed with double walls, i.e. hollow
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00Receptacles
    • Y10S220/918Spacing element for separating the walls of a spaced-wall container

Description

y 1969 w. L. JANNINCK 3,456,860

DOUBLE WALL CUP Filed Jan. 9, 1968 44 wwwzzammz 0AM, M, {Z/VZZEW United States Patent US. Cl. 229-15 7 Claims ABSTRACT OF THE DISCLOSURE There is disclosed a cup having inner and outer walls drawn from sheets of plastic material and respectively formed with oppositely circumferentially and axially extending ridges which abut each other at spaced points for providing mutual support while minimizing heat transfer between the inner and outer walls.

The present invention relates to a novel cup structure, and more specifically to a novel double wall cup.

It has heretofore been suggested to form drinking cups suitable for both hot and cold beverages with inner and outer spaced apart walls so that the outer surfaces are insulated from the contents sufficiently to enable the cup to be comfortably held in the hand. In order to enable such cups to be produced sufficiently economically to enable their use in dispensing machines and as throw away items, it is desired to minimize material costs by making the walls substantially as thin as practical. This, however, creates problems in heat transfer and in structural integrity. While proposals have been made for solving these problems and certain of these have met with substantial success, the present invention contemplates further improvements.

It is an important object of the present invention to provide a novel cup having inner and outer walls formed from thin material and each formed for increasing the strength and rigidity thereof and for engaging the other in mutually supporting relationship and in a manner for minimizing heat transfer between the inside of the cup and outer surface portions thereof which are to be touched by the hand of a person holding the cup.

A more specific object of the present invention is to provide a novel cup of the above described type which is constructed so that the inner and outer walls may be quickly and economically assembled with each other without necessitating any predetermined circumferential alignment.

A still further specific object of the present invention is to provide a novel cup structure of the above described type wherein the inner and outer walls are respectively formed with narrow ribs projecting for engagement with each other for maintaining the remaining portions of the walls in spaced relationship with the ribs on the inner wall extending at angles with respect to the ribs on the outer wall so that the inner and outer ribs contact each other at spaced small points or areas for minimizing the heat transfer between the inner and outer walls.

Other objects and advantages of the present invention will become apparent from the following description and the accompanying drawing wherein:

FIG. 1 is a side elevational view of a cup structure incorporating features of the present invention;

FIG. 2 is a side elevational view of an inner wall member prior to assembly within a cup structure of the type shown in FIG. 1;

FIG. 3 is an enlarged fragmentary sectional view taken along line 3--3 in FIG. 1; and

FIG. 4 is an enlarged fragmentary sectional view taken along line 4-4 in FIG. 1.

3,456,860; Patented July 22, 1969 Referring now more specifically to the drawings wherein like parts are designated by the same numerals throughout the various figures, a cup 10 incorporating features of the present invention comprises an inner member 12 and an outer member 14. These members are formed from a thin plastic material such, for example, as high impact polystyrene.

The cup 10 has a side wall structure preferably with an inverted substantially frusto-conical configuration. This side wall structure has an intermediate gripping and insulating portion 16 described more in detail below. As shown best in FIG. 3, upper margins 18 and 20 of the inner and outer cup members are rolled together to provide the cup with a rim 22. The rolled and interlocking margins further serve to secure the inner and outer cup members with respect to each other.

The inner and outer members 12 and -14 respectively have integral bottom sections 24 and 26. These sections are axially separated from each other as shown in FIG. 3 so as to define an air space 28 therebetween. The outer bottom section 26 is thus insulated from the contents of the cup so as to protect the hand of a person holding the cup or a table surface on which it may be placed.

As will be understood, it is frequently desirable to stack a plurality of the cups 10 in nesting relationship for storage and dispensing purposes. Thus the inner and outer cup members are provided with surfaces or shoulders which are substantially axially engageable with an adjacent cup in a stack for preventing the tapering side surfaces from wedging together and binding. Such binding makes dispensing difficult and also unreliable. In the embodiment shown, the aforementioned surfaces or shoulders comprise a downwardly facing corner portion 30 of the outer bottom section 26 and a substantially radially extending annular shoulder 32 formed in a lower end portion of the inner cup member as shown in FIG. 3.

In accordance with an important feature of the present invention, the insulated grip portion 16 of the cup is constructed so that the outer side wall of the cup is spaced from the inner side wall and insulated therefrom by air pockets while at the same time the inner and outer walls are mutually self-supporting at spaced points or limited areas. More specifically, the inner cup member has a side wall 34 formed with a plurality of spaced apart axially and circumferentially extending narrow ribs 36 which traverse the grip portion 16 of the cup. In the embodiment shown, these ribs extend generally helically around the side wall of the cup. Preferably the helical pitch of the ribs is quite long so that each rib extends around only a minor portion of the cup circumference.

As previously indicated, the ribs 36 are narrow and are spaced substantially from each other. As shown in the drawings, the ribs are spaced apart by wall sections 38 having transverse dimensions substantially greater than the transverse dimensions of the ribs.

The outer cup member 14 has a side wall 40 corresponding to the side wall 34 of the inner cup member. The outer side wall 40 is also formed with a plurality of spaced apart narrow ribs 42 separated by relatively wide wall sections 44. In the embodiment shown, the ribs 42 also extend with a long helical pitch axially and circumferentially of the cup. However, the ribs 42 are formed with a helix of one hand while the ribs 36 are formed with a helix of the opposite hand. As the result, the ribs 36 which project outwardly from the wall sections 38 and the ribs 42 which project inwardly from the wall sections 44 abut each other with substantially point contact at limited and spaced apart areas 46. Thus the outer surfaces of the wall sections 44 which form the gripping surfaces of the cup are effectively insulated by air pockets 48 between the inner and outer walls. The points or spaced apart limited areas 46 of contact between the ribs enable the inner and outer walls to support or reinforce each other while at the same time minimizing the conduction of heat directly between the inner and outer walls.

Contact at the areas 46 is limited by forming the ribs so as to present narrow edges for crests for engagement with each other and this may be accomplished by providing each rib with a generally V-shaped cross-sectional configuration. The ribs formed in this manner not only minimize the transfer of heat mentioned, but also aid in strengthening and rigidifying their respective side walls 34 and 40.

While a preferred embodiment of the present invention has been shown and described herein, it is understood that many structural details may be'changed without departing from the spirit and scope of the appended claims. For example, while ribs of the opposite hand have been disclosed on the inner and outer cup members, it is contemplated that the configuration of either one or bothof the inner and outer ribs may be modified into a variety of shapes as long as the inner ribs cross the outer ribs at angles so that discrete areas or points of interengagement are obtained and are spaced both axially and circumferentially of the cup and the cup is formed with insulated air pockets between the inner and outer walls and separating the points of engagement.

The invention is claimed as follows:

1. A double wall container comprising an inner member and an outer member, said members respectively including inner side and bottom walls and outer side and bottom walls, said inner and outer side walls respectively including groups of outwardly and inwardly projecting elongated ribs separated by wall sections, said outwardly and inwardly projecting ribs abutting each other at a plurality of separate discrete areas spaced axially and circumferentially of said container, and said wall sections being spaced from each other and defining insulating air spaces between said discrete areas, areas of said outwardly and inwardly projecting ribs between said sep- Cit p n ,4 "1". arate discrete areas also being spaced from each other and from opposing wall sections.

2. A container, as definedin claim 1, wherein the ribs of one of said groups of ribs extend both axially and circumferentially of said container. i

3. A container, as defined in claim 1, wherein the ribs of both of said groups of'ribs extend partially axially of ribs have a predetermined transverse cross-sectional dimension, and said wall sections have a corresponding transverse cross-sectional dimension substantially greater than said predetermined dimension.

6. A container, as defined in claim 5, wherein said ribs, have a substantially V-shaped transverse cross-sectional configuration. p r

7. A drinking cup, as defined in claim 3, adapted to be nested in a stack of similar drinking cups and comprising :axially facing surface means on one of said members engageable with a complementary axially facing surface means on the other of said members in an adjacent cup in the stack for preventing binding of the cup members in the stack.

' References Cited UNITED STATES PATENTS 7/1964 Goodman 220-15 2/1963 Edwards 220-97 DAVID M. BOCKENEK, Primary Examiner U.S. Cl. X.R.

US3456860D 1968-01-09 1968-01-09 Double wall cup Expired - Lifetime US3456860A (en)

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US69652268A true 1968-01-09 1968-01-09

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US3456860A true US3456860A (en) 1969-07-22

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US3456860D Expired - Lifetime US3456860A (en) 1968-01-09 1968-01-09 Double wall cup

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US (1) US3456860A (en)
JP (1) JPS5010191B1 (en)
DE (1) DE1900504A1 (en)
FR (1) FR1595417A (en)
GB (1) GB1219382A (en)
NL (1) NL6817646A (en)
SE (1) SE342139B (en)

Cited By (76)

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US3580468A (en) * 1969-08-05 1971-05-25 Continental Can Co Nestable double-walled disposable container
US3850361A (en) * 1971-09-16 1974-11-26 Itw Ltd Containers
US4261501A (en) * 1979-10-31 1981-04-14 Hallmark Cards Incorporated Laminated insulated hot drink cup
US4548349A (en) * 1984-04-03 1985-10-22 Whitey's Ice Cream Manufacturers, Inc. Protective sleeve for a paper cup
US4872569A (en) * 1984-01-31 1989-10-10 Brown Bolte Drinking vessels
US5092485A (en) * 1991-03-08 1992-03-03 King Car Food Industrial Co., Ltd. Thermos paper cup
US5145107A (en) * 1991-12-10 1992-09-08 International Paper Company Insulated paper cup
US5190572A (en) * 1991-03-05 1993-03-02 Smith & Hawken Composting method and device
US5226585A (en) * 1991-11-19 1993-07-13 Sherwood Tool, Inc. Disposable biodegradable insulated container and method for making
US5326019A (en) * 1993-05-03 1994-07-05 Wolff Steven K Double walled paper cup
US5363982A (en) * 1994-03-07 1994-11-15 Sadlier Claus E Multi-layered insulated cup formed of one continuous sheet
US5385260A (en) * 1994-01-19 1995-01-31 Sherwood Industries, Inc. Disposable cup assembly system and method
US5460323A (en) * 1995-01-10 1995-10-24 California Environmental Cup, Inc. Disposable insulated container
US5524817A (en) * 1995-04-04 1996-06-11 Paper Machinery Corporation Dual walled container
US5628453A (en) * 1996-01-16 1997-05-13 Packaging Resources, Inc. Cup with thermally insulated side wall
US5660326A (en) * 1995-08-18 1997-08-26 Sherwood Tool Incorporated Multi-layered insulated cup formed from folded sheet
US5713512A (en) * 1996-09-03 1998-02-03 Polytainers, Inc. Polymeric insulated container
US5752653A (en) * 1996-05-13 1998-05-19 Razzaghi; Mahmoud Paper cup with air insulation
US5772111A (en) * 1996-03-12 1998-06-30 Kirsch; John M. Container structure
US5775577A (en) * 1996-10-15 1998-07-07 Baldocci, Modena, Scherrer, Stanghellini Family Trust, And Titus Disposable insulated container with microflute structure
US5820016A (en) * 1996-05-13 1998-10-13 Dunkin' Donuts Incorporated Cup and lid
US5839653A (en) * 1996-07-12 1998-11-24 Zadravetz; Robert B. Container with corrugated wall
US5960975A (en) * 1996-04-01 1999-10-05 Tetra Laval Holdings & Finance S.A. Packaging material web for a self-supporting packaging container wall, and packaging containers made from the web
US6039682A (en) * 1996-10-23 2000-03-21 Fort James Corporation Containers formed of a composite paperboard web and methods of forming
US6253995B1 (en) 2000-05-16 2001-07-03 Burrows Paper Corporation Insulated containers and sidewalls having laterally extending flutes, and methods
FR2811532A1 (en) * 2000-07-17 2002-01-18 Chun Tse Yang Set of two basic containers made from wood pulp, comprises first container with upper opening for article insertion and second container placed outside first with complementary fixing to it
US20030029876A1 (en) * 2000-07-17 2003-02-13 Jean-Pierre Giraud Dual wall insulated cup assembly and a method of manufacturing an insulated cup assembly
US6598786B1 (en) * 2002-03-05 2003-07-29 Tzer-Huang Guo Melioration of insulating paper container
US6663926B1 (en) * 1997-08-28 2003-12-16 Dai Nippon Printing Co., Ltd. Heat-insulating container and apparatus for producing the same
US20050006449A1 (en) * 2003-07-10 2005-01-13 D'amato Gianfranco Container
US20050115975A1 (en) * 2003-11-26 2005-06-02 Smith Stephen A. Two-piece insulated cup
WO2005075319A1 (en) * 2004-02-10 2005-08-18 Fuji Seal International, Inc. Heat insulating container
US20060095151A1 (en) * 2004-11-02 2006-05-04 Mannlein Dean J Computer controlled cup forming machine
US20060094577A1 (en) * 2004-11-02 2006-05-04 Mannlein Dean J Bottom sealing assembly for cup forming machine
US20060124719A1 (en) * 2004-11-02 2006-06-15 Dean Joseph Mannlein Folding wing assembly for cup forming machine
US20060196923A1 (en) * 2005-03-01 2006-09-07 Tedford Richard A Jr Insulated container
US20060226210A1 (en) * 2005-04-12 2006-10-12 Werner Stahlecker Double-walled paperboard cup
US20070017922A1 (en) * 2005-07-22 2007-01-25 A-1 Tool Corporation Injection-molded plastic container with improved stacking strength
US20070163569A1 (en) * 2006-01-19 2007-07-19 Mark Strachan Arrangement for and method of selectably changing the temperature of a product by employing a snap action invertible actuator
US20070262129A1 (en) * 2006-05-15 2007-11-15 Zadravetz Robert B Method for forming a container with corrugated wall and rolled lip
US20080078825A1 (en) * 2006-09-29 2008-04-03 Puls Craig R Double wall container with internal spacer
US20080087715A1 (en) * 2006-10-12 2008-04-17 Robertson Ronald D Multi walled container and method
US20090321440A1 (en) * 2008-06-26 2009-12-31 Fedusa Anthony J Double-walled container and method of manufacture
US20100072268A1 (en) * 2008-09-23 2010-03-25 Johnson Matthew J Insulated beverage container
USD613554S1 (en) 2008-03-14 2010-04-13 Solo Cup Operating Corporation Cup
US20100108693A1 (en) * 2008-11-04 2010-05-06 The Coca-Cola Company Insulated double-walled disposable plastic cup
US7767049B2 (en) 2006-10-12 2010-08-03 Dixie Consumer Products Llc Multi-layered container having interrupted corrugated insulating liner
US20100200647A1 (en) * 2009-02-10 2010-08-12 International Paper Company Embossed paperboard cup holder
US8146797B2 (en) 2005-11-11 2012-04-03 Seda S.P.A. Insulated cup
US8146796B2 (en) 2001-01-30 2012-04-03 Seda S.P.A. Cardboard container for drinks and process therefor
US20120104004A1 (en) * 2009-07-06 2012-05-03 Neil Marshall Process for the Production of a Cup and a Plurality of Cups
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US8393886B2 (en) 2005-11-14 2013-03-12 Seda S.P.A. Device for producing a stacking projection and container with same
US8459531B2 (en) 2005-09-19 2013-06-11 Seda S.P.A. Container and blank for the production thereof
US8490792B2 (en) 2006-12-05 2013-07-23 Seda S.P.A. Package
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US20140038803A1 (en) * 2010-04-09 2014-02-06 Huhtamäki Oyj Production of a sidewall-segment for a cardboard container
US8701914B1 (en) 2013-02-15 2014-04-22 Ronald Mark Buck Two-part recyclable cup
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US8960528B2 (en) 2004-04-22 2015-02-24 Dixie Consumer Products Llc Insulating cup wrapper and insulated container formed with wrapper
US9038845B1 (en) 2014-05-02 2015-05-26 Top-That! Llc Container lid with one or more cavities
USD732392S1 (en) 2014-01-17 2015-06-23 Camelbak Products, Llc Sports bottle
US9078535B1 (en) 2014-05-09 2015-07-14 Top-That! Llc Container lid with a food compartment and a sip-hole
USD743745S1 (en) * 2013-12-13 2015-11-24 Chill Factor Global Pty Ltd. Device for making frozen beverages
USD765472S1 (en) * 2015-03-06 2016-09-06 Aquasana, Inc. Sleeve for a liquid container
US9585501B1 (en) * 2013-11-12 2017-03-07 L. Robert Hamelink Beverage cup insulating seal member and associated insulated beverage cup assembly
US9783359B2 (en) 2005-09-08 2017-10-10 Seda S.P.A. Double-walled cup
USD808727S1 (en) * 2016-07-13 2018-01-30 Anhui Inno-Sign Int'l Double wall vacuum mug
USD820640S1 (en) * 2017-01-10 2018-06-19 Decorline Inc Ceremonial cup
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Cited By (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3580468A (en) * 1969-08-05 1971-05-25 Continental Can Co Nestable double-walled disposable container
US3850361A (en) * 1971-09-16 1974-11-26 Itw Ltd Containers
US4261501A (en) * 1979-10-31 1981-04-14 Hallmark Cards Incorporated Laminated insulated hot drink cup
US4872569A (en) * 1984-01-31 1989-10-10 Brown Bolte Drinking vessels
US4548349A (en) * 1984-04-03 1985-10-22 Whitey's Ice Cream Manufacturers, Inc. Protective sleeve for a paper cup
US5190572A (en) * 1991-03-05 1993-03-02 Smith & Hawken Composting method and device
US5092485A (en) * 1991-03-08 1992-03-03 King Car Food Industrial Co., Ltd. Thermos paper cup
US5226585A (en) * 1991-11-19 1993-07-13 Sherwood Tool, Inc. Disposable biodegradable insulated container and method for making
US5145107A (en) * 1991-12-10 1992-09-08 International Paper Company Insulated paper cup
US5326019A (en) * 1993-05-03 1994-07-05 Wolff Steven K Double walled paper cup
US5385260A (en) * 1994-01-19 1995-01-31 Sherwood Industries, Inc. Disposable cup assembly system and method
US5363982A (en) * 1994-03-07 1994-11-15 Sadlier Claus E Multi-layered insulated cup formed of one continuous sheet
USRE35830E (en) * 1994-03-07 1998-06-30 Insul-Air Holdings, Inc. Multi-layered insulated cup formed of one continuous sheet
US5460323A (en) * 1995-01-10 1995-10-24 California Environmental Cup, Inc. Disposable insulated container
US5524817A (en) * 1995-04-04 1996-06-11 Paper Machinery Corporation Dual walled container
US5660326A (en) * 1995-08-18 1997-08-26 Sherwood Tool Incorporated Multi-layered insulated cup formed from folded sheet
US5964400A (en) * 1995-08-18 1999-10-12 Sherwood Tool Inc Multi-layered insulated cup formed from folded sheet
US5628453A (en) * 1996-01-16 1997-05-13 Packaging Resources, Inc. Cup with thermally insulated side wall
US5772111A (en) * 1996-03-12 1998-06-30 Kirsch; John M. Container structure
US5960975A (en) * 1996-04-01 1999-10-05 Tetra Laval Holdings & Finance S.A. Packaging material web for a self-supporting packaging container wall, and packaging containers made from the web
US5820016A (en) * 1996-05-13 1998-10-13 Dunkin' Donuts Incorporated Cup and lid
US5752653A (en) * 1996-05-13 1998-05-19 Razzaghi; Mahmoud Paper cup with air insulation
US6126584A (en) * 1996-07-12 2000-10-03 Zadravetz; Robert B. Method for forming a container with corrugated wall
US5839653A (en) * 1996-07-12 1998-11-24 Zadravetz; Robert B. Container with corrugated wall
US5713512A (en) * 1996-09-03 1998-02-03 Polytainers, Inc. Polymeric insulated container
US5775577A (en) * 1996-10-15 1998-07-07 Baldocci, Modena, Scherrer, Stanghellini Family Trust, And Titus Disposable insulated container with microflute structure
US6039682A (en) * 1996-10-23 2000-03-21 Fort James Corporation Containers formed of a composite paperboard web and methods of forming
US6186394B1 (en) 1996-10-23 2001-02-13 Fort James Corporation Containers formed of a composite paperboard web and methods of forming the same
US6287247B1 (en) 1996-10-23 2001-09-11 Fort James Corporation Containers formed of a composite paperboard web and methods of forming the same
US6663926B1 (en) * 1997-08-28 2003-12-16 Dai Nippon Printing Co., Ltd. Heat-insulating container and apparatus for producing the same
US6253995B1 (en) 2000-05-16 2001-07-03 Burrows Paper Corporation Insulated containers and sidewalls having laterally extending flutes, and methods
FR2811532A1 (en) * 2000-07-17 2002-01-18 Chun Tse Yang Set of two basic containers made from wood pulp, comprises first container with upper opening for article insertion and second container placed outside first with complementary fixing to it
US20030029876A1 (en) * 2000-07-17 2003-02-13 Jean-Pierre Giraud Dual wall insulated cup assembly and a method of manufacturing an insulated cup assembly
US8146796B2 (en) 2001-01-30 2012-04-03 Seda S.P.A. Cardboard container for drinks and process therefor
US6598786B1 (en) * 2002-03-05 2003-07-29 Tzer-Huang Guo Melioration of insulating paper container
US20050006449A1 (en) * 2003-07-10 2005-01-13 D'amato Gianfranco Container
US20100264201A1 (en) * 2003-11-26 2010-10-21 Stephen Alan Smith Two-piece insulated cup
US7699216B2 (en) 2003-11-26 2010-04-20 Solo Cup Operating Corporation Two-piece insulated cup
US20050115975A1 (en) * 2003-11-26 2005-06-02 Smith Stephen A. Two-piece insulated cup
WO2005075319A1 (en) * 2004-02-10 2005-08-18 Fuji Seal International, Inc. Heat insulating container
US20080314909A1 (en) * 2004-02-10 2008-12-25 Fiji Seal International, Inc Heat Insulating Container
US8960528B2 (en) 2004-04-22 2015-02-24 Dixie Consumer Products Llc Insulating cup wrapper and insulated container formed with wrapper
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Also Published As

Publication number Publication date
DE1900504A1 (en) 1970-07-23
JPS5010191B1 (en) 1975-04-18
NL6817646A (en) 1969-07-11
FR1595417A (en) 1970-06-08
GB1219382A (en) 1971-01-13
SE342139B (en) 1972-01-31

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