US3720365A - Embossed container - Google Patents

Embossed container Download PDF

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Publication number
US3720365A
US3720365A US3720365DA US3720365A US 3720365 A US3720365 A US 3720365A US 3720365D A US3720365D A US 3720365DA US 3720365 A US3720365 A US 3720365A
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Prior art keywords
container
rim
sidewall
bottom
round
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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
S Unger
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Standard Oil Co
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Standard Oil Co
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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
    • B65D1/00Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34Trays or like shallow containers

Abstract

A container made of foam plastic and having improved strength and appearance includes a rim embossed to accept printing thereon, a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall, said sidewall tapering inwardly and bowing outwardly slightly, and a bottom integral with the lowermost portion of the sidewall, said bottom bowing inwardly slightly.

Description

United States Patent 1 Unger 1March 13, 1973 1 EMBOSSED CONTAINER [75] Inventor: SteveA. Unger, Chicago, ill.

[73] Assignee: Standard Oil Company, Chicago, Ill. 22 Filed: Sept. 2i, 1970 211 Appl. No.: 75,654

[52] US. Cl. ..229/2.5, 229/15 R [51] Int. Cl. ..B65d 1/34 [58] Field of Search ....229/2.5, 1.5 R, 1.5 B; 220/74, 220/9 F; 215/1 C [56] References Cited UNITED STATES PATENTS 3,128,029 4/1964 Price .l .229 25 x 3,374,922 3/1968 Shelby ....229/l.5 B x Metzler Roesner....

2,014,297 Rutledge "229/25 2,125,793 8/1938 Linderman.... ..229/2.5

3,097,780 7/1963 Witmer i ..229/1 .5 R 3,098,597 7/1963 Johnson ..229/2.5

Primary Examiner-Donald F. Norton Attorney Arthur G. Gilkes, William T. McClain and John J. Connors [57] ABSTRACT A container made of foam plastic and having improved strength and appearance includes a rim embossed to accept printing thereon, a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall, said sidewall tapering inwardly and bowing outwardly slightly, and a bottom integral with the lowermost portion of the sidewall, said bottom bowing inwardly slightly.

11 Claims, 6 Drawing Figures PATENWDHARIBIUB 3,7 55

sneer 10F Fig. 1

l/V VE N T 01?. Steve A. Unger ATTORNEY IPATEYNTEDHARI 3mm 3 ,36

ShEEI 2 BF 3 INVEN TOR. Steve A. Unger PATENTEUHARI3I973 3,7 0,355

INVENTOR. Steve A. Unger EMBOSSED CONTAINER BACKGROUND Using conventional therinoforming processes, trays, cups, bowls, plates, and like containers can be made from foam plastic such as impact or crystal polystyrene. Because the foam plastic is a good insulator, these containers can hold hot food for a considerable time without undue cooling. In designing a container made from such foam plastic, it is desirable to maximize the structural strength of the container. However, it is equally desirable to provide an attractive appearing exterio'r. Decorating the rim of the container, for example, by printing a design thereon, is a sought after objective of the industry. These rims are symmetric about the center of the container. For example they may be round, i.e., circular, elliptical; or they may be rectangular and square configuration. A printed rim design must be concentric with the rim and center of the container otherwise, rim printing detracts from rather than enhances the appearance of the container.

THE INVENTION I have invented a container made of foam plastic which has improved strength and, quite surprisingly, can be readily imprinted with a concentric rim design. Strength is imparted to the container by the manner in which the rim, sidewall and bottom are joined together and the configuration of these elements. The rim extends outwardly circumscribing and defining an open round mouth in the container. Preferably, the rim curves slightly downwardly. The sidewall is integral with the inner edge of the rim at the uppermost portion of the sidewall, and this sidewall tapers inwardly and bows outwardly slightly from the central section of the container. Ther'ound bottom is integral with the lowermost portion of the sidewall and the bottom bows inwardly slightly toward the central section of the container. The round bottom has, overall, a smaller diameter than the rim, but it is proportional to the rim. Preferably, a round line-junction is provided in the foam plastic On the inside of the container where the bottom and the sidewall merge. Also, a round line-junction is provided in the foam plastic on the outside of the container where the rim and the-sidewall merge. These various structural features contribute to a greater or lesser degree to the strength of the container.

To enhancethe appearance of the container, the rim is embossed. It has been found that embossing the rim provides an area adapted to receive ink. The embossed portion is disposed generally along a line which is concentric with the outer rim edge. Preferably, the embossed portion includes a plurality of spaced, raised elements. Circumscribing these elements between a concentric with theouter rim. Minor deviations go unnoticed. This is especially true with the design shown in thedrawings. V

DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of my container looking down at the inside of the container.

FIG. 2 is a plan view of the bottom of my container.

FIG. 3 is a cross-sectional view taken along line 33 of FIG. I.

FIG. 4 is an enlarged, segmented view of the embossed portion of the rim shown in FlG. 1.

FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 4.

FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 4.

PREFERRED EMBODIMENT As best shown in FIGS. l-3, my container 10, for example in the form of a plate, includes an outwardly ex-, tending rim 12 which circumscribes and defines an open round mouth 14 in the container. Sidewall 16, integral with inner edge 18 of rim 12 at the uppermost portion 20 of the sidewall, connects the rim with the container's round bottom 22 which is integral with the lowermost portion 24 of the sidewall. Sidewall l6 tapers inwardly and bows outwardly slightly from the central section of container 10 and round bottom 22 bows inwardly slightly toward the central section of the container. To enhance strength, a round line-junction 26 is formed in the foam plastic on the inside of container 10 where bottom 22 and sidewall 16 merge, and a round line-junction 28 (FIGS. 2 and 3) is formed in the foam plastic on the outside of container 10 where the rim and sidewall merge.

The novel rim design of my invention is best shown in FIGS. 4 through 6. This rim 12 includes embossed portion 30 which provides an area adapted to receive ink. Embossed portion 30 is disposed generally along a line which is concentric with the outer rim edge 32 and the center of container 10. Also, it includes a plurality of spaced, raised elements 34 having a lazy S" configuration. These elements are ranged in series along rim I2. Rim l2 and the series of raised elements 34 are symmetric about the center of container 10. To enhance the appearance of container 10 and also make elements 34 stand up, these elements are circumscribed by two spaced, concentric circular rim creases 36 and 38. Since container 10 is made of foam plastic, it can be easily creased. Ink deposited on elements 34 form a generally symmetrical pattern along the rim which is concentric to the rim edge and center of the container. Thus, concentricity of the printed pattern on rim 12 is facilitated.

In order to test the improved structural strength of this container, bending tests were run contrasting the resistance to bending of my design with that of a conventional container. My novel container, as shown in FIGS. 1' through 6, was compared to a 9-inch diameter plate which had a generous radii blending the plate rim into the plate sidewall and the plate sidewall intothe plate bottom. There was no line-junction at the joints between the rim and sidewall and the bottom and sidewall. Virtually all conventional foam plastic plates have such a generous radii. Based on bending test results, it was found that my plate design had 28 percent more resistance to bending than such a representative conventional plate. Both plates used were equal in weight and density and the compositional matter from which the plates were made was essentially identical. Other tests were made but the materials and densities were not identical, and no conclusive information was available. However, it appeared that my design was nevertheless superior for equal weight samples. It is believed that the line junctions in my container design and the curvature of the sidewall and bottom contribute to its improved strength. Moreover, the outwardly bowing sidewalls increase the overall capacity of the container. Thus, it is conceivable that an 8-inch diameter plate of my design might be able to replace a 9-inch diameter plate of a conventional design.

I claim:

1. A container made of a foam plastic and comprising an outwardly extending rim circumscribing and defining an open round mouth in the container, said rim having thereon an embossed design which is between a pair of spaced, concentric creases in said rim,

a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall, said sidewall tapering inwardly and bowing outwardly slightly from the central section of the container, and

a round bottom integral with the lowermost portion of the sidewall, said bottom bowing inwardly slightly toward the central section of the container.

2. The container of claim 1 including a round linejunction in the foam plastic on the inside of the con tainer where the bottom and the sidewall merge.

3. The container of claim 1 wherein the rim is curved slightly downwardly.

4. The container of claim 3 including a round linejunction in the foam plastic on the outside of the container where the rim and sidewall merge.

5. An improved container made of a foam plastic wherein the improvement comprises a rim circumscribing and defining an open mouth in the container, said rim being symmetric about the center Of the container and having an embossed portion thereon which provides a site adapted to receive ink, said embossed portion including an element having a lazy S configuration and said portion being disposed generally along a line which is concentric with the outer rim edge and the center of the container.

6. The container of claim 5 wherein the embossed portion includes a plurality of spaced, raised elements.

7. The container of claim 5 including a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall and a bottom integral with the lowermost portion of the sidewall.

8. The container of claim 7 wherein the rim and the bottom have a generally round configuration, with the bottom being smaller but proportional to the rim, and the sidewall tapering inwardly to connect the rim and sidewall.

9. The container of claim 8 wherein the sidewall bows outwardly slightly from the center of the container and the bottom bows inwardly slightly toward the center of the container.

10. The container-of claim 11 including a round linejunction in the foam plastic on the inside of the container where the bottom and the sidewall merge, and a round lmequnctron m the foam plastic on the outside of the container where the rim and the sidewall merge.

11. The container of claim 10 wherein the rim is curved slightly downwardly.

Claims (11)

1. A container made of a foam plastic and comprising an outwardly extending rim circumscribing and defining an open round mouth in the container, said rim having thereon an embossed design which is between a pair of spaced, concentric creases in said rim, a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall, said sidewall tapering inwardly and bowing outwardly slightly from the central section of the container, and a round bottom integral with the lowermost portion of the sidewall, said bottom bowing inwardly slightly toward the central section of the container.
1. A container made of a foam plastic and comprising an outwardly extending rim circumscribing and defining an open round mouth in the container, said rim having thereon an embossed design which is between a pair of spaced, concentric creases in said rim, a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall, said sidewall tapering inwardly and bowing outwardly slightly from the central section of the container, and a round bottom integral with the lowermost portion of the sidewall, said bottom bowing inwardly slightly toward the central section of the container.
2. The container of claim 1 including a round line-junction in the foam plastic on the inside of the container where the bottom and the sidewall merge.
3. The container of claim 1 wherein the rim is curved slightly downwardly.
4. The container of claim 3 including a round line-junction in the foam plastic on the outside of the container where the rim and sidewall merge.
5. An improved container made of a foam plastic wherein the improvement comprises a rim circumscribing and defining an open mouth in the container, said rim being symmetric about the center Of the container and having an embossed portion thereon which provides a site adapted to receive ink, said embossed portion including an element having a lazy S configuration and said portion being disposed generally along a line which is concentric with the outer rim edge and the center of the container.
6. The container of claim 5 wherein the embossed portion includes a plurality of spaced, raised elements.
7. The container of claim 5 including a sidewall integral with the inner edge of the rim at the uppermost portion of the sidewall and a bottom integral with the lowermost portion of the sidewall.
8. The container of claim 7 wherein the rim and the bottom have a generally round configuration, with the bottom being smaller but proportional to the rim, and the sidewall tapering inwardly to connect the rim and sidewall.
9. The container of claim 8 wherein the sidewall bows outwardly slightly from the center of the container and the bottom bows inwardly slightly toward the center of the container.
10. The container of claim 11 including a round line-junction in the foam plastic on the inside of the container where the bottom and the sidewall merge, and a round line-junction in the foam plastic on the outside of the container where the rim and the sidewall merge.
US3720365A 1970-09-21 1970-09-21 Embossed container Expired - Lifetime US3720365A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349146A (en) * 1980-11-28 1982-09-14 Mobil Oil Corporation Packaging tray
FR2556694A1 (en) * 1983-12-16 1985-06-21 Becker Pierrette Cells made of fibres of resinous materials particularly for packaging fruit and method of obtaining them.
US4623088A (en) * 1985-06-28 1986-11-18 Mobil Oil Corporation Reinforced packaging tray
US4705471A (en) * 1985-08-02 1987-11-10 Mobil Oil Corporation Mold for producing a plate
US4856704A (en) * 1988-05-09 1989-08-15 Ossid Corporation Machine packaging tray
US4899925A (en) * 1988-03-30 1990-02-13 Mobil Oil Corporation Crowned meat tray
US5050791A (en) * 1988-09-06 1991-09-24 Mobil Oil Corporation Crowned meat tray
US5088640A (en) * 1991-09-06 1992-02-18 James River Corporation Of Virginia Rigid four radii rim paper plate
WO1992004180A1 (en) * 1990-09-04 1992-03-19 James River Corporation Of Virginia Improved forming of pressed trays
US6491214B2 (en) * 1998-04-17 2002-12-10 The Procter & Gamble Company Multi-ply food container
US20060255053A1 (en) * 2005-05-16 2006-11-16 Empire Industrial Corp. Sealable container
US20070007297A1 (en) * 2005-05-16 2007-01-11 Li Kwong F Sealable container
US20070235514A1 (en) * 2006-01-13 2007-10-11 Solo Cup Operating Corporation Paperboard Container Having Increased Rigidity and Method of Manufacturing Thereof
US20080119342A1 (en) * 2002-06-27 2008-05-22 Dixie Consumer Products Llc Disposable Servingware Containers With Flange Tabs
US20090218356A1 (en) * 2008-02-27 2009-09-03 Tripak Industrial Corp. Container for food with modified lid
US20110015051A1 (en) * 2004-02-20 2011-01-20 Dixie Consumer Products Llc Apparatus for making paperboard pressware with controlled blank feed
US20110048999A1 (en) * 2009-08-26 2011-03-03 Wnek Patrick H Container blank and container with denesting feature
USD807120S1 (en) 2016-08-26 2018-01-09 Perk-Up, Inc. Rectangular shaped container assembly with stylized base
USD807704S1 (en) 2016-08-26 2018-01-16 Perk-Up, Inc. Round shaped container assembly with stylized base
USD818319S1 (en) 2016-08-17 2018-05-22 Reynolds Consumer Products LLC Plate
USD823645S1 (en) 2016-06-06 2018-07-24 Reynolds Consumer Products LLC Plate
USD823644S1 (en) 2016-06-06 2018-07-24 Reynolds Consumer Products LLC Plate

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2014297A (en) * 1934-01-20 1935-09-10 Sutherland Paper Co Paper dish and method and apparatus of forming
US2125793A (en) * 1937-06-26 1938-08-02 Kimberly Stuart Paper utensil
US3097780A (en) * 1961-09-12 1963-07-16 American Can Co Paper plate
US3098597A (en) * 1953-02-27 1963-07-23 Kaiser Aluminium Chem Corp Cooking and baking utensil
US3099377A (en) * 1960-08-17 1963-07-30 American Can Co Dish or the like
US3128029A (en) * 1957-05-09 1964-04-07 St Regis Paper Co Cup
US3346400A (en) * 1965-02-08 1967-10-10 American Excelsior Corp Tray
US3374922A (en) * 1963-04-12 1968-03-26 Monsanto Co Foamed containers

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2014297A (en) * 1934-01-20 1935-09-10 Sutherland Paper Co Paper dish and method and apparatus of forming
US2125793A (en) * 1937-06-26 1938-08-02 Kimberly Stuart Paper utensil
US3098597A (en) * 1953-02-27 1963-07-23 Kaiser Aluminium Chem Corp Cooking and baking utensil
US3128029A (en) * 1957-05-09 1964-04-07 St Regis Paper Co Cup
US3099377A (en) * 1960-08-17 1963-07-30 American Can Co Dish or the like
US3097780A (en) * 1961-09-12 1963-07-16 American Can Co Paper plate
US3374922A (en) * 1963-04-12 1968-03-26 Monsanto Co Foamed containers
US3346400A (en) * 1965-02-08 1967-10-10 American Excelsior Corp Tray

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349146A (en) * 1980-11-28 1982-09-14 Mobil Oil Corporation Packaging tray
FR2556694A1 (en) * 1983-12-16 1985-06-21 Becker Pierrette Cells made of fibres of resinous materials particularly for packaging fruit and method of obtaining them.
US4623088A (en) * 1985-06-28 1986-11-18 Mobil Oil Corporation Reinforced packaging tray
US4705471A (en) * 1985-08-02 1987-11-10 Mobil Oil Corporation Mold for producing a plate
US4899925A (en) * 1988-03-30 1990-02-13 Mobil Oil Corporation Crowned meat tray
US4856704A (en) * 1988-05-09 1989-08-15 Ossid Corporation Machine packaging tray
US5050791A (en) * 1988-09-06 1991-09-24 Mobil Oil Corporation Crowned meat tray
WO1992004180A1 (en) * 1990-09-04 1992-03-19 James River Corporation Of Virginia Improved forming of pressed trays
US5230939A (en) * 1990-09-04 1993-07-27 James River Corporation Of Virginia Forming of pressed trays
US5088640A (en) * 1991-09-06 1992-02-18 James River Corporation Of Virginia Rigid four radii rim paper plate
US6491214B2 (en) * 1998-04-17 2002-12-10 The Procter & Gamble Company Multi-ply food container
US20090215599A1 (en) * 2002-06-27 2009-08-27 Dixie Consumer Products Llc Disposable servingware containers with flange tabs
US7540833B2 (en) * 2002-06-27 2009-06-02 Dixie Consumer Products Llc Disposable servingware containers with flange tabs
US20080119342A1 (en) * 2002-06-27 2008-05-22 Dixie Consumer Products Llc Disposable Servingware Containers With Flange Tabs
US8414464B2 (en) 2004-02-20 2013-04-09 Dixie Consumer Products Llc Apparatus for making paperboard pressware with controlled blank feed
US20110015051A1 (en) * 2004-02-20 2011-01-20 Dixie Consumer Products Llc Apparatus for making paperboard pressware with controlled blank feed
US20070007297A1 (en) * 2005-05-16 2007-01-11 Li Kwong F Sealable container
US20060255053A1 (en) * 2005-05-16 2006-11-16 Empire Industrial Corp. Sealable container
US9555916B2 (en) * 2006-01-13 2017-01-31 Solo Cup Operating Corporation Paperboard container having increased rigidity and method of manufacturing thereof
US20070235514A1 (en) * 2006-01-13 2007-10-11 Solo Cup Operating Corporation Paperboard Container Having Increased Rigidity and Method of Manufacturing Thereof
US20090218356A1 (en) * 2008-02-27 2009-09-03 Tripak Industrial Corp. Container for food with modified lid
JP2013503088A (en) * 2009-08-26 2013-01-31 グラフィック パッケージング インターナショナル インコーポレイテッド Having a de nesting configuration, the container blanks and containers
US20110048999A1 (en) * 2009-08-26 2011-03-03 Wnek Patrick H Container blank and container with denesting feature
US8777010B2 (en) * 2009-08-26 2014-07-15 Graphic Packaging International, Inc. Container blank and container with denesting feature
USD823645S1 (en) 2016-06-06 2018-07-24 Reynolds Consumer Products LLC Plate
USD823644S1 (en) 2016-06-06 2018-07-24 Reynolds Consumer Products LLC Plate
USD818319S1 (en) 2016-08-17 2018-05-22 Reynolds Consumer Products LLC Plate
USD807120S1 (en) 2016-08-26 2018-01-09 Perk-Up, Inc. Rectangular shaped container assembly with stylized base
USD807704S1 (en) 2016-08-26 2018-01-16 Perk-Up, Inc. Round shaped container assembly with stylized base

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