EP0910539B1 - Sachet comportant des profiles de fermeture complementaires actionnes par curseur - Google Patents

Sachet comportant des profiles de fermeture complementaires actionnes par curseur Download PDF

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Publication number
EP0910539B1
EP0910539B1 EP98920588A EP98920588A EP0910539B1 EP 0910539 B1 EP0910539 B1 EP 0910539B1 EP 98920588 A EP98920588 A EP 98920588A EP 98920588 A EP98920588 A EP 98920588A EP 0910539 B1 EP0910539 B1 EP 0910539B1
Authority
EP
European Patent Office
Prior art keywords
bag
fact
cursor
bag according
strips
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.)
Expired - Lifetime
Application number
EP98920588A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0910539A1 (fr
Inventor
Henri Georges Bois
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
S2F Flexico SARL
Original Assignee
S2F Flexico SARL
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9505727&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0910539(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by S2F Flexico SARL filed Critical S2F Flexico SARL
Priority to DK98920588T priority Critical patent/DK0910539T3/da
Publication of EP0910539A1 publication Critical patent/EP0910539A1/fr
Application granted granted Critical
Publication of EP0910539B1 publication Critical patent/EP0910539B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • B65D33/2566—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 using two or more independently operable slide fasteners
    • 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
    • B65D33/2584—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 characterized by the slider
    • B65D33/2586—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 characterized by the slider being provided with a separating plow
    • B65D33/25865—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 characterized by the slider being provided with a separating plow reaching between the interlocking fastener profiles
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S24/00—Buckles, buttons, clasps
    • Y10S24/30—Separable-fastener or required component thereof
    • Y10S24/50—Separable-fastener or required component thereof including member having elongated, resilient, interlocking face with identical, parallel cross-sections throughout its length
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2532—Zipper or required component thereof having interlocking surface with continuous cross section
    • Y10T24/2534—Opposed interlocking surface having dissimilar cross section
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45152—Each mating member having similarly shaped, sized, and operated interlocking or intermeshable face
    • Y10T24/45157—Zipper-type [e.g., slider]
    • Y10T24/45168—Zipper-type [e.g., slider] for container [e.g., bag]

Definitions

  • the present invention relates to the field of sachets comprising complementary closure profiles actuated respectively at opening and closing with a cursor.
  • the slider makes it easier to open and close the bags.
  • the presence of the cursor is particularly appreciated by people old or visually impaired.
  • Sealing is however demanded in many applications, in particular, but not limited to, for the sachets used for freezing food products.
  • Document US-A-5067208 discloses a sachet containing additional closing profiles activated by a slider and suitable means for sealing between the internal walls of the bag, in its closed position at the end of the profiles receiving the slider in the closed position.
  • the present invention now aims to improve the bags with cursor-actuated closure profiles to perfect the sealing of these.
  • Auxiliary objects of the present invention are to provide simple means and ensuring reliable retention of the cursor.
  • the sealing means are formed by a weld between the inner walls of the bag, in the area underlying the profiles at the end of these receiving the cursor in the closed position.
  • the weld is preferably formed between the webs of the profiles.
  • the sealing means are formed by a boss between the inner walls of the bag, in the area underlying the profiles at the end of these receiving the cursor in the closed position.
  • the boss is preferably formed on a veil supporting the profiles.
  • the sealing means are formed by means of pinch provided on the slider, suitable for pinching the underlying area to the profiles at the end of these receiving the cursor in closed position.
  • the means ensuring sealing are formed by a closure or baffle located under a first closure adjacent to the mouth of the bag and closing by the action of the cursor, the end corresponding to the cursor in position closed, the second closure or baffle being welded to ensure sealing.
  • the two main films are referenced 10 and 20 composing the bag, 30, 40 the closure profiles carried respectively by webs 32, 42 linked to the films, 50 the cursor ensuring the actuation profiles, respectively on opening and closing, and finally under the reference 60 the means ensuring the sealing of the sachet.
  • Films 10, 20, closure profiles 30, 40 and slider 50 may comply with known provisions today, for example in accordance with the teachings of documents EP-A- 0 479 661, EP-A-0 102 301, EP-A-0 051 010, US-5007143, US-5007142, US-5063644,
  • the means 60 ensuring the tightness of the bag are formed of weld zone 62.
  • This weld 62 is located on a zone underlying the profiles 30, 40 at the end of the latter receiving the cursor 50 in the closed position.
  • the length of the weld zone 62 is preferably greater than the length of the slider 50.
  • the weld zone 62 has a length L1 of the order of 1.5 cm and a width L2 of the order of 1 to 2 mm.
  • the sails 32, 42 carrying the closure profiles 30, 40 can be welded or glued either on the inside films 10, 20, (see Figure 2), or on the outside thereof (see Figure 3).
  • the films 10, 20 have a higher welding point than that of the sails 32, 42 carrying the sections 30 and 40.
  • welding 62 in this context is carried out between the sails 32, 42.
  • the sails 32 and 42 can be formed from a material chosen from the group comprising polyethylene, ethylene-propylene copolymers or EVA copolymers, while films can be formed from a material chosen from the group comprising polypropylene, ethylene-propylene copolymers, mixtures of polypropylene and ethylene-propylene copolymers and / or terpolymers.
  • the films 10, 20 have a welding point less than that of the sails 32, 42 carrying the sections 30 and 40.
  • welding 62 in this context is carried out between the movies 10, 20.
  • the sails 32 and 42 can be formed from a material chosen from the group including polypropylene, ethylene-propylene copolymers, mixtures of polypropylene and ethylene-propylene copolymers and / or terpolymers, or polyamides, while the films can be formed from a material chosen from the group comprising polyethylene, ethylene-propylene copolymers or EVA copolymers.
  • the weld zone 62 must of course be the closest possible profiles 10, 20 to seal the bags. She must also join the side edge 12 of the bag.
  • the sachet has a perfect seal in the closed state, since the zone of solder 62 closes the passage kept open between the sections 10, 20, in before cursor 50.
  • weld zone 62 provides a point hard in moving cursor 50 when it reaches this area 62. This notably makes it possible to avoid untimely free movement of the cursor 50 to the open position.
  • connection zone 62 between the internal walls of the bag can be formed by gluing and not by welding.
  • Such additional thicknesses may for example conform to the provisions described in document FR-A-2 630 406.
  • These extra thicknesses 64 can be provided over the entire length profiles 30 and 40 or limited to the area of the bag underlying the profiles at the end of these receiving the cursor 50 in closed position.
  • the excess thickness (es) 64 are preferably provided on the internal surfaces of the webs 32, 42, as illustrated in FIGS. 4 and 5. However, as a variant, it is possible to envisage carrying out the extra thicknesses on the internal surfaces of the films 10, 20.
  • FIG. 6 We also illustrated in Figure 6 the mouth of a bag in accordance with a third embodiment of the present invention in which the means 60 are constituted by a clamp linked to the cursor 50.
  • This clamp comprises two jaws 66, 67 linked respectively to the lateral sides of the cursor 50 and adapted to elastically stress the external surfaces of the film 10, 20, in the zone of the sachet underlying the profiles 30, 40, at the end of the latter receiving the cursor 50 in the closed position.
  • Such jaws 66, 67 can be the subject of numerous modes of achievement. They will therefore not be described in more detail below.
  • auxiliary jaws 68, 69 on the rear end of the slider, ensuring the same function of pinching the walls of the sachet to improve the watertightness of the latter, or even if necessary on the front end of the cursor 50.
  • FIG. 8 illustrates the mouth of a sachet conforming to a fourth embodiment of the present invention.
  • This sachet is characterized by the fact that it includes two closure assemblies parallel: a first closure assembly 30, 40 and a second closure assembly 130, 140.
  • the first closure assembly, adjacent to the mouth, complementary profiles 30, 40 are formed, if necessary carried by support sails 32, 42 attached to the films 10, 20 and activated both at the opening and at the closing by the cursor 50, as previously stated.
  • the second closure assembly 130, 140 is placed on the inside of the first set 30, 40. It extends also over the entire length of the mouth of the bag.
  • the second together 130, 140 is actuated on closing by the cursor 50, and at opening, manually.
  • This second set 130, 140 can be formed from profiles of additional closures subject to identical mutual commitment or equivalent to profiles 30, 40 of the first set as illustrated in Figures 9, 10.
  • the second set 130, 140 can be formed of a simple chicane composed for example of a canvas 130, integral with the web 32 and transverse to it designed to be placed in the closed position between two fabrics 140a, 140b, parallel to each other, integral with the web 42 and transverse thereto, as illustrated in the figure 11.
  • the second closure assembly 130, 140 is welded to sealing, on its end corresponding to the cursor closed position.
  • the weld referenced 62 in FIG. 8, presents preferably a length L1 greater than the length of the cursor 50.
  • the second closure assembly and the weld 62 are placed as close as possible to the first closure assembly 30, 40, and preferably attached to it.
  • a cursor 50 capable of to cooperate with the two closure assemblies 30, 40 and 130, 140.
  • This cursor 50 essentially consists of a U-shaped cross-section piece having a central partition 52 of a length adapted to penetrate between the sections 30, 40 of the first closure assembly, to control the opening of this first set, without interfering with the second closure assembly 130, 140.
  • the parallel main wings 54, 56 of the cursor 50 also have bosses 55 on their internal surface, 57 adapted to impose upon closing a reconciliation and a engagement of profiles 30, 40, 130, 140 and / or baffle elements 130, 140a, 140b.
  • the present invention applies to any type of film. provided with closure profiles, for example coextruded with these profiles, or even receiving the profiles, for example by welding or gluing the sails 32, 42, when the sachets are produced. Designed means to ensure such bonding are for example described in the document FR-A-2 485 895.
  • the present invention can find application in the production of sachets on automatic machines called FFS (Form, Fill and Seal machine) designed to ensure the formation, filling and sealing of the sachets.
  • FFS Form, Fill and Seal machine
  • the closure profiles can be arranged longitudinally or transversely with reference to the direction of movement of the film.
  • the sachets according to the present invention can of course combine the arrangements illustrated in the appended figures, respectively in accordance with the first, second, third and fourth aforementioned embodiments, in the context of the definition given in the appended claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Slide Fasteners (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)
EP98920588A 1997-04-10 1998-04-08 Sachet comportant des profiles de fermeture complementaires actionnes par curseur Expired - Lifetime EP0910539B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK98920588T DK0910539T3 (da) 1997-04-10 1998-04-08 Pose omfattende komplementære lukkeprofiler aktiveret af skyder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9704394A FR2761956B1 (fr) 1997-04-10 1997-04-10 Sachet comportant des profiles de fermeture complementaires actionnes par curseur
FR9704394 1997-04-10
PCT/FR1998/000710 WO1998045182A1 (fr) 1997-04-10 1998-04-08 Sachet comportant des profiles de fermeture complementaires actionnes par curseur

Publications (2)

Publication Number Publication Date
EP0910539A1 EP0910539A1 (fr) 1999-04-28
EP0910539B1 true EP0910539B1 (fr) 2004-08-18

Family

ID=9505727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98920588A Expired - Lifetime EP0910539B1 (fr) 1997-04-10 1998-04-08 Sachet comportant des profiles de fermeture complementaires actionnes par curseur

Country Status (11)

Country Link
US (1) US6088887A (da)
EP (1) EP0910539B1 (da)
AT (1) ATE273860T1 (da)
AU (1) AU741539B2 (da)
CA (1) CA2258113C (da)
DE (1) DE69825695T2 (da)
DK (1) DK0910539T3 (da)
ES (1) ES2224389T3 (da)
FR (1) FR2761956B1 (da)
NZ (1) NZ333266A (da)
WO (1) WO1998045182A1 (da)

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* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
CA2258113A1 (fr) 1998-10-15
ATE273860T1 (de) 2004-09-15
DK0910539T3 (da) 2004-12-06
FR2761956B1 (fr) 1999-06-25
EP0910539A1 (fr) 1999-04-28
DE69825695T2 (de) 2005-02-10
DE69825695D1 (de) 2004-09-23
WO1998045182A1 (fr) 1998-10-15
FR2761956A1 (fr) 1998-10-16
NZ333266A (en) 2000-03-27
ES2224389T3 (es) 2005-03-01
US6088887A (en) 2000-07-18
AU7339798A (en) 1998-10-30
AU741539B2 (en) 2001-12-06
CA2258113C (fr) 2007-09-18

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