EP0239319A2 - Emballage pouvant être refermé avec joint décollable - Google Patents
Emballage pouvant être refermé avec joint décollable Download PDFInfo
- Publication number
- EP0239319A2 EP0239319A2 EP87302342A EP87302342A EP0239319A2 EP 0239319 A2 EP0239319 A2 EP 0239319A2 EP 87302342 A EP87302342 A EP 87302342A EP 87302342 A EP87302342 A EP 87302342A EP 0239319 A2 EP0239319 A2 EP 0239319A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- box
- bag
- reclosable fastener
- liner
- peel seal
- 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
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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
-
- 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
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
- B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
- B65D77/062—Flexible containers disposed within polygonal containers formed by folding a carton blank
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/18—End- or aperture-closing arrangements or devices using adhesive applied to integral parts, e.g. to flaps
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
- B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
- B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
- B65D33/2525—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener located between the fastener and the product compartment
-
- 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
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
Definitions
- This present invention generally resides in a package comprising a bag which is useable as a liner in a box or which is useable as a bag itself, which liner or bag is provided with a protecting peelable seal as well as a reclosable fastener. More particularly, it has been discovered that it is more efficient and desirable to form the peelable seal below the reclosable fastener rather than above it, particularly when the package comprises a bag or liner within a box.
- the package of the invention provides superior security against the atmosphere and contaminants and preserves product quality, yet remains reclosable after initial opening and does so without the necessity of using excess amounts of material in forming the bag or liner so as to result in cost savings as well as convenience to the ultimate consumer.
- Bags with zipper-like closures which are reclosable are well known.
- Japanese Utility Model Publication 57 (1982) - 105248 discloses a bag having a peelable seal located above a reclosable fastener so as to lend air tightness to the bag at least until the peelable seal is broken. Thereafter the lower reclosable fastener is used to prevent accidental spilling of the contents from the bag and preservation of the quality, i.e. freshness, of the content.
- the present invention resides in a plastic bag or liner comprising opposed side walls, a closed bottom and an openable top comprised of gripping flanges, a reclosable fastener on the inside surfaces of said gripping flanges adjacent the openable end of the bag or liner, a peel seal located across the openable top and adjacent the reclosable fastener on the side thereof towards the interior of the bag or liner, said reclosable fastener being positioned so as to close the end of the container above the product contained therein once the peel seal is opened.
- the bag or liner 10 is preferably formed of a mono-layer or multi-layer thermoplastic material having inner surfaces which are heat sealable so that the sides 12 and 14 thereof can be heat sealed about their edges 18 to form a bag enclosure.
- the material is preferably folded to form the bottom 16 of bag 10, but could be heat sealed as well.
- materials other than thermoplastic materials in various layers of a multi-layer bag, such as a metallic layer for static dissipation, or moisture and vapor penetration prevention.
- the inner surface or layer to be sealed can be an ethylene homopolymer or copolymer or blends thereof, for example, or can be formed of other heat sealable resins or coatings.
- a multi-layer bag can also include polymeric material layers which substantially prohibit penetration by either gases or liquids or both, such as materials commonly known as polyethylene terephthalate, nylons, Saran® (vinylidene chloride copolymer) resins, ethylene vinyl alcohol resins, polyolefins, including polypropylene and various densities of polyethylene and including linear low density polyethylenes.
- polymeric material layers which substantially prohibit penetration by either gases or liquids or both, such as materials commonly known as polyethylene terephthalate, nylons, Saran® (vinylidene chloride copolymer) resins, ethylene vinyl alcohol resins, polyolefins, including polypropylene and various densities of polyethylene and including linear low density polyethylenes.
- Adhesive coatings can be included to form the actual heat seals and peel seal as generally described above.
- Adhesive polymeric blends such as ethylene vinyl acetate (EVA) copolymer can be used to coat the inside or form the inside layer of the bag or liners.
- EVA ethylene vinyl acetate
- Other well known adhesive polymeric materials can be used instead, such as Surlyn® a sodium comonomer resin made by the duPont Co. or Primacor® resins made by The Dow Chemical Company, including ethylene acrylic acid (EEA) copolymer resins.
- a typical multi-layer bag can include, for example, an exterior layer of a high density polyethylene (HDPE) next to which is an EVA copolymer resin, then a third layer including, for example, either a Saran® resin made by the Dow Chemical Company or an ethylene vinyl alcohol resin, with minor additives, and an inside layer of an EVA resin for forming side seals 18 and the peel seal 20 shown in Figures 1 and 2.
- the third layer would act as an effective barrier to gases for normal food applications. However, such a gas barrier would not be required in many instances.
- a conventional reclosable fastener 21 such as that illustrated in British Patent No. 2,133,462 having a male fastener element 22 with ribs 24 on either side thereof and a female fastener element 26 engaged therewith as shown in Figure 2.
- the opening end of the bag includes gripping flanges 28 which are used to separate the reclosable fasteners as well as to pull apart the peel seal 20 located at the neck down portions 30 and 32 on sides 12 and 14 respectively of bag 10.
- an HDPE film which is coated on the inside with an EVA composition having a vinyl acetate content of about 28 percent blended, for example, with an LDPE, a Surlyn® resin, and various concentrates wherein the EVA copolymer percentage of the composition would be about 48 weight percent, the LDPE composition would be 25 weight percent, and the Surlyn® composition would be about 15 weight percent of the total composition.
- the peel seal is made by regulating the temperature and pressures so that it is less than that needed to form the peripheral margins 18 of the bag 10, for example, where a complete, strong bonding seal must be made.
- the pressure and duration for the surrounding seals of edges 18 could be at 115°C for a period of about 0.8 seconds where the seal pressure to form the peel seal 20 could be at 99°C for a period of about 0.3 seconds with the coating described above.
- Figures 3 to 5 illustrate the significant advantages of placing the peel seal in the arrangement disclosed by this invention over box liners or bags having no peel seal or with a peel seal located above the reclosable fastener. Bags or liners without are closable fastener, say with only a peel seal, are not compared directly here in detail because they a basically not reclosable and have apparent disadvantages as compared with reclosable bags or liners.
- Figure 3 illustrates in cross-section a carton 34 in which is placed a bag 10 ⁇ containing a product 36. The carton has an upper end or top 38 over which is folded closure top flaps 40 which form a temporary enclosure for the box when it is full. The dimension Y represents the height of carton 34.
- the dimension P represents the height of the product contained within bag 10 ⁇ .
- the dimension H represents the distance from the top 38 of the box to the reclosable fastener 21, and the dimension L represents the lip height (length) above the reclosable fastener 21 of the bag or liner.
- the dimensions are basically the same, except here a peel seal is located above the reclosable fastener 21 of liner 10 ⁇ , S represents the length of a peel seal 20 above the reclosable fastener, and L represents the length of the bag lips or gripping flanges above the peel seal.
- Figure 5 is similar to the other figures, only here the dimension S of liner 10 represents the length of peel seal 20 which is located below the reclosable fastener 21, and L represents the distance of the lip above the reclosable fastener 21.
- the height will be 1 ⁇ 2 of the box depth (Z) + the distance to the top of the product (P) + the diagonal distance to the peel seal + peel seal (S) + lip length (L).
- the reclosable fastener will be higher out of the box where a peel seal is located below the reclosable fastener than where the peel seal is located above the reclosable fastener for any given amount of material, so that if one were to use the same amount of material it would be much easier to gain access to the contents where the peel seal is located below the reclosable fastener.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Cartons (AREA)
- Bag Frames (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84250386A | 1986-03-21 | 1986-03-21 | |
US842503 | 1986-03-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0239319A2 true EP0239319A2 (fr) | 1987-09-30 |
EP0239319A3 EP0239319A3 (en) | 1988-12-28 |
EP0239319B1 EP0239319B1 (fr) | 1990-09-05 |
Family
ID=25287480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87302342A Expired - Lifetime EP0239319B1 (fr) | 1986-03-21 | 1987-03-18 | Emballage pouvant être refermé avec joint décollable |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0239319B1 (fr) |
JP (1) | JPS62271847A (fr) |
KR (1) | KR910001495B1 (fr) |
AU (1) | AU599361B2 (fr) |
CA (1) | CA1271455A (fr) |
DE (1) | DE3764684D1 (fr) |
WO (1) | WO1987005583A1 (fr) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4823961A (en) * | 1986-03-20 | 1989-04-25 | Oscar Mayer Foods Corporation | Reclosable package |
US4905298A (en) * | 1988-12-12 | 1990-02-27 | Walor Curtis J | Resealable closure |
US4923309A (en) * | 1989-02-27 | 1990-05-08 | Illinois Tool Works | Tamper-evident package |
US4925316A (en) * | 1986-08-11 | 1990-05-15 | Minigrip, Inc. | Reclosable bag having an outer reclosable zipper type closure and inner non-reclosable closure |
US4925318A (en) * | 1988-10-17 | 1990-05-15 | Schurpack, Inc. | Packing, method of manufacturing same, and strip material therefor |
US5005707A (en) * | 1986-03-20 | 1991-04-09 | Oscar Mayer Foods Corporation | Reclosable package |
US5014856A (en) * | 1986-03-20 | 1991-05-14 | Oscar Mayer Foods Corporation | Reclosable package |
US5050736A (en) * | 1988-07-12 | 1991-09-24 | Oscar Mayer Foods Corporation | Reclosable package |
US5107658A (en) * | 1986-03-20 | 1992-04-28 | Oscar Mayer Foods Corporation | Method of making a reclosable package |
US5188461A (en) * | 1988-10-17 | 1993-02-23 | Schurpack, Inc. | Packing, method of manufacturing same, and strip material therefor |
US5238306A (en) * | 1989-05-19 | 1993-08-24 | Reynolds Consumer Products, Inc. | Method of producing a sealing system for a reclosable webbed-wall package, and system made |
WO1998024339A1 (fr) * | 1996-12-05 | 1998-06-11 | Tenneco Packaging Inc. | Bords replies multicouches pour sachets en plastique a glissiere |
US5924795A (en) * | 1991-02-22 | 1999-07-20 | Kraft Foods, Inc. | Tamper-evident, reclosable, flexible packages |
US5964532A (en) * | 1996-08-07 | 1999-10-12 | Tenneco Packaging Inc. | Reclosable fastener strip with tamper evident feature |
USRE37171E1 (en) | 1988-02-10 | 2001-05-08 | Curwood, Inc. | Easy open package |
WO2007027252A1 (fr) * | 2005-06-01 | 2007-03-08 | Reynolds Consumer Products, Inc. | Fermeture a glissiere refermable avec joints sur des surfaces interieures et exterieures d'elements de fermeture |
US7604828B2 (en) | 2005-05-02 | 2009-10-20 | Conagra Foods Rdm, Inc. | Easy-open sausage package |
US7665192B2 (en) | 2002-03-01 | 2010-02-23 | Pactiv Corporation | Reclosable fasteners or zippers for use with polymeric bags |
EP2468661A1 (fr) * | 2010-12-23 | 2012-06-27 | Amcor Flexibles Kreuzlingen Ltd. | Conditionnement bag-in-box |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2223736A (en) * | 1988-07-19 | 1990-04-18 | Simpla Plastics | Bags |
JP2529599B2 (ja) * | 1989-03-16 | 1996-08-28 | 出光石油化学株式会社 | 咬合具および咬合具付包装用袋 |
DE3941183A1 (de) * | 1989-12-13 | 1991-06-20 | Multivac Haggenmueller Kg | Verpackungsmaschine zum herstellen einer ein produkt aufnehmenden wiederverschliessbaren packung |
US6286999B1 (en) | 1999-05-11 | 2001-09-11 | Pactiv Corporation | Tamper-evident reclosable bag |
US6071011A (en) | 1999-08-12 | 2000-06-06 | Tenneco Packaging, Inc. | Fill-through-the-top package |
US6499878B1 (en) | 1999-12-21 | 2002-12-31 | Pactiv Corporation | Reclosable packages with barrier properties |
US6611996B2 (en) | 2001-07-02 | 2003-09-02 | Pactiv Corporation | Slider for reclosable fastener |
US6713152B2 (en) | 2001-09-07 | 2004-03-30 | Pactiv Corporation | Fins and profiles for plastic bags |
JP2008104542A (ja) * | 2006-10-24 | 2008-05-08 | Michimasa Suemitsu | シップ薬貼り付け補助具及びシップ薬の貼着方法 |
DK2093153T3 (da) | 2006-12-08 | 2012-12-10 | Seisan Nipponsha Ltd | Poselegeme af syntetisk resin med åbn-let funktion |
US8642144B2 (en) | 2008-05-28 | 2014-02-04 | Bemis Company, Inc. | Innerliner with nylon skin layer |
JP2012101797A (ja) * | 2010-11-05 | 2012-05-31 | C I Kasei Co Ltd | 嵌合具付き袋体 |
US10464728B2 (en) | 2015-04-20 | 2019-11-05 | Bemis Company, Inc. | Peelable/resealable package with absorbent strip |
US11377284B2 (en) | 2019-11-13 | 2022-07-05 | General Mills, Inc. | Resealable bag and method of producing the resealable bag |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1494586A (fr) * | 1966-09-27 | 1967-09-08 | Flexico France Sarl | Dispositif de solidarisation étanche et procédé de fabrication |
EP0160619A2 (fr) * | 1984-04-30 | 1985-11-06 | SIG Schweizerische Industrie-Gesellschaft | Emballage refermable |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2898027A (en) * | 1956-12-04 | 1959-08-04 | Scholle Chemical Corp | Container for fluent materials |
US3619395A (en) * | 1969-04-17 | 1971-11-09 | Minigrip Inc | Method of making a pilfer proof package |
US3685562A (en) * | 1971-03-03 | 1972-08-22 | Steven Ausnit | Flexible pilfer proof closure construction for bags |
US4241865A (en) * | 1979-08-06 | 1980-12-30 | Kcl Corporation | Reclosable shipping sack and method |
JPS6238920Y2 (fr) * | 1980-12-19 | 1987-10-03 | ||
US4637063A (en) * | 1985-03-04 | 1987-01-13 | Kcl Corporation | Reclosable bag with sealed laminated liner and method |
-
1987
- 1987-03-13 AU AU70017/87A patent/AU599361B2/en not_active Ceased
- 1987-03-18 DE DE8787302342T patent/DE3764684D1/de not_active Expired - Fee Related
- 1987-03-18 EP EP87302342A patent/EP0239319B1/fr not_active Expired - Lifetime
- 1987-03-20 KR KR1019870002539A patent/KR910001495B1/ko active IP Right Grant
- 1987-03-20 CA CA000532595A patent/CA1271455A/fr not_active Expired - Fee Related
- 1987-03-20 JP JP62067717A patent/JPS62271847A/ja active Pending
- 1987-03-20 WO PCT/US1987/000613 patent/WO1987005583A1/fr unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1494586A (fr) * | 1966-09-27 | 1967-09-08 | Flexico France Sarl | Dispositif de solidarisation étanche et procédé de fabrication |
EP0160619A2 (fr) * | 1984-04-30 | 1985-11-06 | SIG Schweizerische Industrie-Gesellschaft | Emballage refermable |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5005707A (en) * | 1986-03-20 | 1991-04-09 | Oscar Mayer Foods Corporation | Reclosable package |
US5014856A (en) * | 1986-03-20 | 1991-05-14 | Oscar Mayer Foods Corporation | Reclosable package |
US5107658A (en) * | 1986-03-20 | 1992-04-28 | Oscar Mayer Foods Corporation | Method of making a reclosable package |
US4823961A (en) * | 1986-03-20 | 1989-04-25 | Oscar Mayer Foods Corporation | Reclosable package |
US4925316A (en) * | 1986-08-11 | 1990-05-15 | Minigrip, Inc. | Reclosable bag having an outer reclosable zipper type closure and inner non-reclosable closure |
USRE37171E1 (en) | 1988-02-10 | 2001-05-08 | Curwood, Inc. | Easy open package |
US5050736A (en) * | 1988-07-12 | 1991-09-24 | Oscar Mayer Foods Corporation | Reclosable package |
US4925318A (en) * | 1988-10-17 | 1990-05-15 | Schurpack, Inc. | Packing, method of manufacturing same, and strip material therefor |
US5188461A (en) * | 1988-10-17 | 1993-02-23 | Schurpack, Inc. | Packing, method of manufacturing same, and strip material therefor |
US4905298A (en) * | 1988-12-12 | 1990-02-27 | Walor Curtis J | Resealable closure |
US4923309A (en) * | 1989-02-27 | 1990-05-08 | Illinois Tool Works | Tamper-evident package |
US5238306A (en) * | 1989-05-19 | 1993-08-24 | Reynolds Consumer Products, Inc. | Method of producing a sealing system for a reclosable webbed-wall package, and system made |
US5924795A (en) * | 1991-02-22 | 1999-07-20 | Kraft Foods, Inc. | Tamper-evident, reclosable, flexible packages |
US5964532A (en) * | 1996-08-07 | 1999-10-12 | Tenneco Packaging Inc. | Reclosable fastener strip with tamper evident feature |
WO1998024339A1 (fr) * | 1996-12-05 | 1998-06-11 | Tenneco Packaging Inc. | Bords replies multicouches pour sachets en plastique a glissiere |
US7665192B2 (en) | 2002-03-01 | 2010-02-23 | Pactiv Corporation | Reclosable fasteners or zippers for use with polymeric bags |
US7904996B2 (en) | 2002-03-01 | 2011-03-15 | Pactiv Corporation | Reclosable fasteners or zippers for use with polymeric bags |
US7604828B2 (en) | 2005-05-02 | 2009-10-20 | Conagra Foods Rdm, Inc. | Easy-open sausage package |
WO2007027252A1 (fr) * | 2005-06-01 | 2007-03-08 | Reynolds Consumer Products, Inc. | Fermeture a glissiere refermable avec joints sur des surfaces interieures et exterieures d'elements de fermeture |
US7758242B2 (en) | 2005-06-01 | 2010-07-20 | Reynolds Consumer Products, Inc. | Recloseable zipper with sealant on inner and outer surfaces of closure members |
EP2468661A1 (fr) * | 2010-12-23 | 2012-06-27 | Amcor Flexibles Kreuzlingen Ltd. | Conditionnement bag-in-box |
US9550608B2 (en) | 2010-12-23 | 2017-01-24 | Amcor Flexibles Dreuzlingen Ltd. | Flexible bag material |
Also Published As
Publication number | Publication date |
---|---|
AU7001787A (en) | 1987-09-24 |
EP0239319B1 (fr) | 1990-09-05 |
CA1271455A (fr) | 1990-07-10 |
EP0239319A3 (en) | 1988-12-28 |
AU599361B2 (en) | 1990-07-19 |
JPS62271847A (ja) | 1987-11-26 |
KR910001495B1 (ko) | 1991-03-09 |
WO1987005583A1 (fr) | 1987-09-24 |
KR870008758A (ko) | 1987-10-20 |
DE3764684D1 (de) | 1990-10-11 |
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