EP1555211A1 - Packaging container and method of producing the same - Google Patents
Packaging container and method of producing the same Download PDFInfo
- Publication number
- EP1555211A1 EP1555211A1 EP03766685A EP03766685A EP1555211A1 EP 1555211 A1 EP1555211 A1 EP 1555211A1 EP 03766685 A EP03766685 A EP 03766685A EP 03766685 A EP03766685 A EP 03766685A EP 1555211 A1 EP1555211 A1 EP 1555211A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- packaging container
- peripheral edge
- corrugated
- flange
- opening
- Prior art date
- 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.)
- Granted
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 71
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 13
- 239000000057 synthetic resin Substances 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 3
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers 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
- B65D1/34—Trays or like shallow containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers 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
- B65D1/40—Details of walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers 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
- B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
- B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/59—Shaping sheet material under pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Closures For Containers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
- The present invention relates to a packaging container and a method of producing the same, and especially to an opening peripheral edge encompassing an opening of a packaging container.
- Among synthetic resin packaging containers, containers having an inside storage part formed by sheet molding recently have come to need space saving property. Therefore, needs have changed from containers molded of a foamed sheet to containers molded of thin synthetic resin sheet. A synthetic resin sheet is molded into a container shape and then the peripheral edge of the container shape is cut, whereby a container molded of thin synthetic resin sheet can be obtained. Generally, such a packaging container has a shape provided with a wide opening. A packaging container of this shape comprises a bottom plate, a peripheral side wall upwardly extending from the periphery of the bottom plate, and an opening peripheral edge encompassing an opening and outwardly extended from the upper edge of the peripheral side wall.
- Further, a lid to be put on a container is manufactured also by molding a thin synthetic resin sheet into a lid shape. Some lids are molded into complicated shapes in order to have a good design. However, generally, a lid has an opening peripheral edge encompassing a lid opening and extended outwardly, obliquely downwardly or downwardly in order to engage with the upper edge of the peripheral side wall and the opening peripheral edge of the container.
- A container or a lid molded of a thin synthetic resin sheet is separated from the sheet by cutting the above-mentioned opening peripheral edge thereof. Therefore, the opening peripheral edge is elongated in straight and/or smoothly curved fashion along the outline of the container or the lid.
- As a result, there is a problem that such an opening peripheral edge elongated along the outline of a container or a lid is apt to hurt user's hand or finger at the time of using the container or the lid since the material sheet thereof is thin.
- Further, at the time of putting an article into such a container and wrapping the same with a wrapping film, the wrapping film is rubbed against the opening peripheral edge and sometimes cut. Therefore, there is a problem that much time and labor is required to wrap such a packaging container with a wrapping film.
- Therefore, an object of the present invention is to solve the above-mentioned problems by providing a method for manufacturing a safe and easily treatable packaging container having an opening peripheral edge of an improved structure.
- A packaging container according to the present invention is one whose opening peripheral edge encompassing an opening is cut, and the container is characterized in that the opening peripheral edge thereof is not elongated straight but is finely corrugated in the longitudinal direction.
- Even though a packaging container according to the present invention is molded of a thin synthetic resin sheet, the finely corrugated opening peripheral edge in the longitudinal direction thereof has a lower sharpness than a thin peripheral edge elongated straight has. As a result, if user's hand, finger or the like is rubbed against the opening peripheral edge, the hand, finger or the like can be prevented from being hurt.
- Further, even if a wrapping film is stretched on and rubbed against the opening peripheral edge, the wrapping film can be prevented from being broken.
-
- Fig. 1 is a perspective view of a container body of a packaging container according to one embodiment of the present invention.
- Figs. 2(A) - 2(C) are partly enlarged views of section A of the container body of the packaging container of Fig. 1.
- Fig. 3(A) - 3(C) are partly enlarged views of a main part of a packaging container according to another embodiment of the present invention.
- Fig. 4(A) and 4(B) are enlarged views of a main part of a packaging container according to a further embodiment of the present invention.
- Fig. 5 is an illustrative plan view of a container body or a lid of a packaging container for explaining a peripheral edge thereof to be corrugated.
- Fig. 6 is an illustrative plan view of a packaging container in which a container body and a lid are connected to each other for explaining the positions of a peripheral edge thereof to be corrugated.
- Fig. 7 is a view illustrating an example of the shape of a container body of a packaging container and showing the positions to be corrugated.
- Fig. 8 is a view illustrating an example of the shape of a lid of a packaging container and showing the positions to be corrugated.
- Fig. 9 is a perspective view of an example of a metal mold for molding a sheet.
- Fig. 10 is a front view showing the cutting operation of a packaging container by a Thomson blade.
-
- Fig. 1 is a perspective view of a container body of a packaging container according to one embodiment of the present invention. And Figs. 2(A) - 2(C) are a partly enlarged perspective view, a plan view and a front view of section A of the
container body 1 of the packaging container of Fig. 1. - In this embodiment, the
container body 1 is explained as a packaging container. Thecontainer body 1 has abottom plate 20 and a peripheral side frame (peripheral side wall) 10 standing obliquely outwardly at the periphery of thebottom plate 20. Thebottom plate 20 has, for example, a substantially rectangular shape with rounded four corners. Therefore, thecontainer body 1 has, as a whole, a shape of a deep rectangular dish. And the upper end of theperipheral side frame 10 defines an opening of thecontainer body 1. An outwardly extendedflange 11 is formed at the upper end of theperipheral side frame 10. Theflange 11 constitutes a peripheral flange encompassing the upper end of theperipheral side frame 10, namely, encompassing a container opening. Theflange 11 serves for reinforcing the container opening both in the inward and outward directions. - The outer
peripheral edge 11a of theflange 11 is finely corrugated. In the embodiment shown, the outerperipheral edge 11a of theflange 11 is finely corrugated when seen in the horizontal direction. In this case, the difference d between the top and the bottom of the corrugated shape (waveform) is not more than 0.5 mm. Further, the pitch p (the distance between the tops or bottoms) of the corrugated shape (waveform) is about 1mm. - In this respect, the difference d between the top and the bottom of the waveform may be in the range of 0.2 - 1.0 mm and is preferably not more than 0.5. And the pitch p may be in the range of 0.5 - 5.0 mm and is preferably about 1.0 mm.
- By determining the size of the waveform in the above-mentioned value ranges, user's hand and finger can be prevented from being hurt and the wrapping film can be prevented from being broken by the outer
peripheral edge 11a of theflange 11. - Figs. 3 (A) - (C) are a partly perspective view, a plan view and a front view showing another shape of a
flange 11 extended outwardly from the upper end of theperipheral side frame 10 of thecontainer body 1. In the embodiment shown in Figs. 3 (A) - (C), the whole of theflange 11 encompassing the container opening is finely corrugated in the vertical direction. As a result, the outerperipheral edge 11a of theflange 11 is substantially straight in a plan view, but the outerperipheral edge 11a extending in the lateral (horizontal) direction is finely corrugated in the vertical direction in a side view (seen in the horizontal direction). The difference d between the top and the bottom of the corrugated shape (waveform) is in the range of 0.2 - 1.0 mm similarly to the above-mentioned embodiment, and the pitch p (the distance between the tops or bottoms) of the waveform is in the range of 0.5 - 5.0 mm. - The direction of the corrugation of the outer
peripheral edge 11a of theflange 11 may be a horizontal direction in which case the waveforms can be seen in plan view as in the above-mentioned embodiment, or may be a vertical direction in which case the waveforms can be seen in the lateral (horizontal) direction as in this embodiment. - Otherwise, by combining the above-mentioned embodiment and this embodiment, the outer
peripheral edge 11a of theflange 11 may be complexly corrugated both in the lateral (horizontal) and vertical directions. - Anyway, since the outer
peripheral edge 11a of theflange 11 is finely corrugated, the outerperipheral edge 11a does not form a straight edge such as one cut from a flat thin resin sheet but forms a finely waved or corrugated edge. As a result, the outerperipheral edge 11a of theflange 11 according to the present invention can prevent user's hand and finger from being hurt and prevent a packaging film from being broken by contacting the outer peripheral edge. - Figs. 4(A) and 4(B) are partly enlarged views illustrating the structure of a
flange 11 and an outerperipheral edge 11a thereof according to a further embodiment of the present invention. - As shown in Fig. 4(A), minute projections and recesses are formed throughout the
flange 11. That is, a number ofminute projections 12 protruding on the upper surface side of theflange 11 and a number ofminute recesses 13 depressed on the reverse side of theflange 11 are regularly formed. And as shown in Fig. 4(B), the outerperipheral edge 11a obtained by cutting such aflange 11 forms a vertically corrugated edge defined by a cutting line crossing the number ofminute projections 12 and a number ofminute recesses 13 formed throughout theflange 11. - In the case of this embodiment, the outer
peripheral edge 11a of theflange 11 is also not straight but corrugated, so that the sharpness with respect to user's hand and finger and a packaging film can be reduced. - In the above-mentioned embodiments, described are package containers having a corrugated opening peripheral edge encompassing the opening of the
container body 1. However, the present invention can be applied not only to thecontainer body 1 but also to an opening peripheral edge of a lid to be put on thecontainer body 1. That is, when a packaging container, especially one for packaging food or the like is molded of a thin synthetic resin sheet, not only a container body thereof but also a lid to be fitted to the container body is manufactured. Similarly to the case of the container body, the opening peripheral edge of the lid is cut out of a synthetic resin sheet. Therefore, by forming the opening peripheral edge of the lid in a corrugated shape, the opening peripheral edge of the lid can have a soft touch instead of a sharp touch. - Fig. 5 is an illustrative plan view of a
container body 1 or alid 18, in which aflange 11 is shown by cross-hatching. Any of the corrugated shapes as above-mentioned can be applied to theperipheral edge 11a of thisflange 11. Further, when theflange 11 is provided with a lug orprojection 15 for picking at the time of fitting the lid to the container body or opening the fitted lid, the outer peripheral edge of thislug 15 is preferably corrugated. - As shown in Fig. 6, when the
container body 1 and thelid 18 are connected to each other for folding at acontact portion 16, corrugated shapes can be applied to the outer peripheral edge of theflange 11 of the container body and the outer peripheral edge of thelid 18 except the outer peripheral edge of thecontact portion 16. - Further, when the
projection 15 is projected, the outer peripheral edge of theprojection 15 is preferably corrugated. - In the above-mentioned description with reference to Figs. 5 and 6, substantially the whole of the outer peripheral edge of the
flange 11 of thecontainer body 1 or thelid 18 has a corrugated shape. However, not the whole but optional portions of the outer peripheral edge may have a corrugated shape. - In the above-mentioned embodiments, provided is an outwardly extended flange at the opening of the container body or the lid. However, if there is no flange at the periphery of the opening of the container body or the lid, the opening peripheral edge can be corrugated.
- Figs. 7(A) - (C) are illustrative vertically sectional views of three kinds of container bodies. In the case that a
flange 11 is provided at the periphery of the opening as shown in Fig. 7(A), the outer peripheral edge (T1 in Fig. 7 (A)) of theflange 11 can be formed in a corrugated shape. In the case of a container body having a shape as shown in Fig. 7(B), the outer peripheral edge T2 can be formed in a corrugated shape. And in the case of a container body having a shape as shown in Fig. 7(C), the outer peripheral edge T3 can be formed in a corrugated shape. - Figs. 8(A) and 8(B) are illustrative vertically sectional views of examples of the shape of a lid. In the case of Fig. 8(A), the outer peripheral edge T4 of the flange of the lid can be formed in a corrugated shape. And in the case of Fig. 8(B), the downward opening peripheral edge T5 encompassing the opening can be formed in a corrugated shape.
- Now, a method for manufacturing a container body of Fig. 3 will be described with reference to Figs. 9 and 10 in the following.
- A synthetic resin sheet from a whole roll is fed on a metal mold P1 for molding. The sheet is deformed in line with the shape of the metal mold P1, then transferred to a trimming die and cut by a cutting machine having e.g. a Thomson blade, whereby a molded container is separated from the sheet.
- One example of a metal mold P1 for molding is shown in Fig. 9. In the metal mold P1 for molding, at least the part for molding a
flange 11 is formed in a corrugated shape W finely corrugated in the vertical direction. By molding a sheet using this metal mold P1, theflange 11 of thecontainer body 1 can be formed in a vertically corrugated shape. - Fig. 10 shows an example of cutting operation of a container body molded of a sheet by a trimming die P2. In this example, a Thomson blade C is used. The edge of the Thomson blade C is formed in a corrugated shape corrugated in the direction vertical to the paper surface of the drawing. By using such a Thomson blade C, the peripheral edge of the flange can be corrugated in waveforms not only in the vertical direction but also in the horizontal direction.
- If a flange has been corrugated in the vertical direction as shown in the embodiments of Figs. 3 and 4, the outer peripheral edge of the flange cut by a cutting blade such as a Thomson blade having a straight blade edge is vertically waved in a side view (in the horizontal direction), though it is straight in a plan view. Therefore, by preliminarily corrugating a flange in the vertical direction, a cutting blade having a straight blade edge can be used, so that a packaging container can be easily manufactured.
- It is preferable that an opening peripheral edge of a packaging container is cut in an atmosphere temperature range of 15°C - 55 °C. This is because if the temperature of a molded product is not higher than 15°C, the molded product is apt to be cracked to become a bad product, and on the contrary, the temperature of a molded product is not lower than 55°C, the molded product is apt to be softened and deformed.
- Although embodiments of the present invention have been described and illustrated in detail, it is clearly understood that these are by way of illustration and example only and are not to be taken by way of limitation, and the spirit and scope of the present invention are limited only by the terms of the appended claims.
- This application corresponds to the Japanese Patent Application No.2002-226431 filed in the Japan Patent Office on August 2, 2002 and the Japanese Patent Application No.2003-103250 filed in the Japan Patent Office on April 7, 2003, and the whole disclosures of these Japanese applications are incorporated in this application by citation.
Claims (6)
- A packaging container molded of a synthetic resin sheet in a predetermined shape, a peripheral edge encompassing an opening of the packaging container being corrugated.
- A packaging container according to claim 1, in which the difference between the top and the bottom of the waveform of the corrugation is in the range of 0.2 - 1.0 mm and the pitch (the distance between the tops or the bottoms of the waveforms) of the corrugation is in the range of 0.5 - 5.0 mm.
- A packaging container according to claim 2, in which the difference between the top and the bottom of the waveform of the corrugation is not more than 0.5 mm and the pitch (the distance between the tops or the bottoms of the waveforms) of the corrugation is not more than 1.0 mm.
- A packaging container according to any one of claims 1 to 3, in which an outer peripheral edge of the packaging container is corrugated by providing minute projections and minute recesses throughout a flange formed at the periphery of the opening of the packaging container and then cutting the outer periphery of the flange provided with the minute projections and the minute recesses.
- A method for manufacturing a packaging container including
a step of molding a synthetic resin sheet into a predetermined shape using a metal mold for vertically corrugating a part outwardly projected from an opening of the packaging container, and
a step of transferring the sheet-molded product obtained in the above-mentioned step to a trimming die and cutting the peripheral edge encompassing the opening using a cutting blade having a blade edge which is straight or corrugated in the direction of the length of the blade. - A method for manufacturing a packaging container according to claim 5, in which the step of cutting using the cutting blade is carried out in an atmosphere temperature range of 15°C - 55°C.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002226431A JP2004067122A (en) | 2002-08-02 | 2002-08-02 | Packaging container |
JP2002226431 | 2002-08-02 | ||
JP2003103250A JP4704668B2 (en) | 2003-04-07 | 2003-04-07 | Method for producing synthetic resin container and synthetic resin container |
JP2003103250 | 2003-04-07 | ||
PCT/JP2003/009780 WO2004013003A1 (en) | 2002-08-02 | 2003-08-01 | Packaging container and method of producing the same |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1555211A1 true EP1555211A1 (en) | 2005-07-20 |
EP1555211A4 EP1555211A4 (en) | 2008-07-30 |
EP1555211B1 EP1555211B1 (en) | 2010-07-14 |
Family
ID=31497624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03766685A Expired - Fee Related EP1555211B1 (en) | 2002-08-02 | 2003-08-01 | Packaging container and method of producing the same |
Country Status (7)
Country | Link |
---|---|
US (2) | US20060011638A1 (en) |
EP (1) | EP1555211B1 (en) |
KR (1) | KR20050080192A (en) |
CN (1) | CN100453414C (en) |
DE (1) | DE60333384D1 (en) |
TW (1) | TW200402386A (en) |
WO (1) | WO2004013003A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMC20070004U1 (en) * | 2007-01-19 | 2008-07-20 | Clabo Group Spa | REFRIGERATED COUNTER WITH ICE CREAM TRAYS IN TRANSPARENT MATERIAL. |
USD743812S1 (en) * | 2012-02-10 | 2015-11-24 | Curwood, Inc. | Rigid ribbed tray |
CN113998260B (en) * | 2020-06-14 | 2024-02-06 | 深圳市望盛科技有限公司 | Processing equipment of special box body |
FR3123897B1 (en) * | 2021-06-14 | 2023-06-09 | Faerch France Sas | SET OF EASY DESTACKING TRAYS |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1363765A (en) * | 1971-07-29 | 1974-08-14 | Sidaplax | Packages |
US5265756A (en) * | 1993-02-12 | 1993-11-30 | Dolco Packaging Corp. | Packaging tray with thick, curvilinear perimeter edges |
US20010003341A1 (en) * | 1999-09-28 | 2001-06-14 | Richard T. Gentry | Container with crack-resistant rim |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3005572A (en) * | 1959-09-28 | 1961-10-24 | Prophylactic Brush Co | Plastic case construction |
US3097780A (en) * | 1961-09-12 | 1963-07-16 | American Can Co | Paper plate |
US3690503A (en) * | 1970-03-05 | 1972-09-12 | John J Curry | Combined container and closure |
JPS5665809U (en) * | 1979-10-29 | 1981-06-02 | ||
JP2001063758A (en) * | 1999-06-24 | 2001-03-13 | Showa Boeki Kk | Food tray |
US6886704B2 (en) * | 2002-10-22 | 2005-05-03 | Pactiv Corporation | Containers and container assemblies with releasable locking feature |
USD565906S1 (en) * | 2006-01-20 | 2008-04-08 | Dart Industries Inc. | Plate |
-
2003
- 2003-08-01 US US10/523,005 patent/US20060011638A1/en not_active Abandoned
- 2003-08-01 EP EP03766685A patent/EP1555211B1/en not_active Expired - Fee Related
- 2003-08-01 TW TW092121130A patent/TW200402386A/en not_active IP Right Cessation
- 2003-08-01 KR KR1020057001869A patent/KR20050080192A/en not_active Application Discontinuation
- 2003-08-01 DE DE60333384T patent/DE60333384D1/en not_active Expired - Lifetime
- 2003-08-01 CN CNB038180456A patent/CN100453414C/en not_active Expired - Fee Related
- 2003-08-01 WO PCT/JP2003/009780 patent/WO2004013003A1/en active Application Filing
-
2009
- 2009-03-27 US US12/382,991 patent/US20090188932A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1363765A (en) * | 1971-07-29 | 1974-08-14 | Sidaplax | Packages |
US5265756A (en) * | 1993-02-12 | 1993-11-30 | Dolco Packaging Corp. | Packaging tray with thick, curvilinear perimeter edges |
US20010003341A1 (en) * | 1999-09-28 | 2001-06-14 | Richard T. Gentry | Container with crack-resistant rim |
Non-Patent Citations (1)
Title |
---|
See also references of WO2004013003A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN100453414C (en) | 2009-01-21 |
DE60333384D1 (en) | 2010-08-26 |
CN1671598A (en) | 2005-09-21 |
EP1555211B1 (en) | 2010-07-14 |
US20090188932A1 (en) | 2009-07-30 |
US20060011638A1 (en) | 2006-01-19 |
TWI322118B (en) | 2010-03-21 |
TW200402386A (en) | 2004-02-16 |
WO2004013003A1 (en) | 2004-02-12 |
KR20050080192A (en) | 2005-08-11 |
EP1555211A4 (en) | 2008-07-30 |
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