EP0959010A1 - Rohrförmige Kartusche mit abbrechbarer Öffnung durch ein äusseres koaxiales zylindrisches Aufreissband - Google Patents

Rohrförmige Kartusche mit abbrechbarer Öffnung durch ein äusseres koaxiales zylindrisches Aufreissband Download PDF

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Publication number
EP0959010A1
EP0959010A1 EP99401175A EP99401175A EP0959010A1 EP 0959010 A1 EP0959010 A1 EP 0959010A1 EP 99401175 A EP99401175 A EP 99401175A EP 99401175 A EP99401175 A EP 99401175A EP 0959010 A1 EP0959010 A1 EP 0959010A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
cutting
strip
side wall
cartridge according
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.)
Withdrawn
Application number
EP99401175A
Other languages
English (en)
French (fr)
Inventor
Pierre Cousseau
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.)
Manufacture Bourguignonne de Plastiques
Original Assignee
Manufacture Bourguignonne de Plastiques
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Manufacture Bourguignonne de Plastiques filed Critical Manufacture Bourguignonne de Plastiques
Publication of EP0959010A1 publication Critical patent/EP0959010A1/de
Withdrawn legal-status Critical Current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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/30—Opening or contents-removing devices added or incorporated during filling or closing of 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab

Definitions

  • the present invention relates to an opening system the frangible bottom of a cylindrical cartridge molded in degradable plastic more particularly intended to pasty products such as fats or the like.
  • cartridges of such products pasty which have a closed tubular body, at one of its ends by a bottom coming from molding with the wall side of the body and at its other end by a plug removable closing the outlet of the cartridge.
  • These cartridges are intended for use with apparatus such as dispensing guns.
  • the user tears off the bottom of the cartridge beforehand to allow introduction through the passage as well formed, of a piston pushing back towards the outlet orifice pasty product contained in the cartridge.
  • the bottom of the grease cartridge is connected to the wall of the tubular body of said cartridge by a connection zone with less resistance so that its separation from tubular body when used in a dispensing gun, provides a clear passage through which can be engaged the piston of the gun which ensures the discharge of grease towards the outside of the cartridge.
  • the bottom of the cartridge consists of a spiral and flat band extending from a central point, the turns being contiguous and connected by a line of least resistance, so that pulling in the center of the bottom of the cartridge by means of a gripper, we gradually cut the bottom of the cartridge.
  • Such a device if it is particularly suitable for degradable materials such as polyethylene, nevertheless has many disadvantages: the cartridge is opened by successive blows when detaching the turns successive and in addition, the spiral ribbon thus obtained is suddenly torn from the periphery of the tubular body of the cartridge, which has the unpleasant effect of projecting, at time of release of the tape which then behaves like a spring, the residual grease on the face of the spiral which was in contact with the grease before opening.
  • the object of the present invention is to provide a marked improvement in this frangible opening system cylindrical cartridge for pasty or similar product, molded in a plastic material and usable in a piston distributor gun as tubular body for ensure in cooperation with said piston the delivery progressive pasty product through one end of said cartridge, in particular closed before use by a plug, the other end of the tubular body being, before use, closed by a frangible bottom coming from molding with the side wall of the body and the detachment provides as in the prior art cited, a clear passage ensuring free movement of the piston repression.
  • this cylindrical cartridge is remarkable in that the detachment from the bottom of the side wall is obtained by a cutting strip cylindrical extending coaxially outside the cartridge from the bottom to a height sufficient to a good grip with a view to tearing it apart, being open on one side and connected on the other, on the one hand, by its outer diameter to the inner diameter of the side wall of the body by a first cutting fabric forming a first zone of least resistance and, on the other hand, by its internal diameter to the external diameter of the bottom by a second cutting fabric forming a second zone of less resistance, and it is still remarkable in this that the two webs and the annular edge of this other side of the strip are substantially coplanar with the end edge of the side wall with which they cooperate.
  • the extension a cylindrical cutting strip extending towards outside the tubular body of the cartridge, provides a fall and impact protection element of the cartridge before opening; indeed and in accordance with another characteristic of the invention, the strip of cylindrical cutout is provided to absorb pressure vertical without deforming the bottom of the cartridge;
  • protrusions are arranged in a crown or more simply at regular intervals, on the external surface cutting tape just above the first canvas cutting and parallel to it to come to plumb with the end edge of the side wall of the body on which said means would come to bear if the cartridge falls or hits the vertical free edge of the cutting strip.
  • the cartridge of pasty product or the like, shown in Figures 1 and 2 is made of material molded plastic, preferably polyethylene which is a biodegradable material. It has a body tubular 1 which is closed at its upper end by a bottom 2 coming from molding with the side wall of the body 1 and which is closed at its lower end left open, by a removable plug 3 shown in section on the partial cutaway of Figure 1.
  • This cartridge is intended for use in a dispensing device (not shown) after removing its bottom 2, so that allow gradual introduction into the body tubular of a movable piston, from top to bottom on the FIG. 1, which gradually expels the pasty product, here the grease, through the outlet at the bottom, the removable plug 3 having been removed beforehand. Naturally this removable plug 3 is necessary for proceed with the initial filling of the cartridge with product pasty for example from fat by the supplier of cartridge.
  • the cartridge For the use of the cartridge in a pistol distributor, it is first necessary to remove the cap 3, but also to cut the bottom 2 so as clean as possible so as not to leave any burrs cutting and thus allow the free passage of the piston allowing to gradually push back the product.
  • the invention of connecting the bottom 2 to the upper end of the tubular body 1 of the cartridge, by at least one zone of lower resistance link 4 extending all around the bottom 2 thus providing a frangible opening of the cartridge.
  • connection zone 4 provision is made, in accordance with the invention, for placing a cylindrical cutting strip 5 extending coaxially towards the outside of the cartridge from the bottom 2 over a height sufficient to provide a good grip for the user of the cartridge when he tears off the bottom; naturally, this cutting strip 5 comes directly from the molding of the cartridge under injection conditions that are perfectly under the control of those skilled in the art.
  • this cylindrical cutting strip 5 is open at its end, that is to say towards the upper part of FIG.
  • the two fabrics 41, 42 and the annular edge 43 of the cutting strip 5 closest to the bottom are substantially coplanar with the end edge 6 of the side wall of the body 1 corresponding to the bottom 2.
  • the strip 5 is split along a cut 7 through and inclined, allowing the part 71 to be easily dragged to the side for unroll the strip 5 around the bottom 2 as it was said before; elements in relief where streaks 72 will be advantageously arranged in the upper part of grip 71 of the strip 5 ensuring a better grip during tearing efforts.
  • the strip of cylindrical cutout 5 has instead of the slot opening 7 in the previous variant, a simple initiation of rupture, for example a 7 'groove creating, line of least resistance, extending as in the other variant, from side to side over the entire height of the strip 5, preferably inclined, determining here still a gripping area for tearing said strip 5 by a radial force bypassing the bottom 2 of the cartridge following the two cutting fabrics which are tear in motion.
  • a simple initiation of rupture for example a 7 'groove creating, line of least resistance, extending as in the other variant, from side to side over the entire height of the strip 5, preferably inclined, determining here still a gripping area for tearing said strip 5 by a radial force bypassing the bottom 2 of the cartridge following the two cutting fabrics which are tear in motion.
  • the end 73 of the cutting strip 5 opposite the gripping area 71 after the tearing includes a connection reinforcement 8 not shown on the Figure 2, with the bottom 2, intended to remove on a short distance, the weakening resulting from the second cutting fabric 42 resulting in joining on this distance, the cutting strip 5 with the bottom 2, which can thus be more easily brought along with the band 5.
  • the opening of the cartridge can be do, unlike the prior art, without projections of pasty product, for example fat necessarily attached to the inner surface of the bottom 2.
  • the cutting strip 5 conforms to the invention provides, on the one hand, remarkable ease opening the cartridge and at the same time protecting it in the event of a vertical fall.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Tubes (AREA)
EP99401175A 1998-05-14 1999-05-14 Rohrförmige Kartusche mit abbrechbarer Öffnung durch ein äusseres koaxiales zylindrisches Aufreissband Withdrawn EP0959010A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9806089 1998-05-14
FR9806089A FR2778636B1 (fr) 1998-05-14 1998-05-14 Cartouche tubulaire a ouverture frangible par bande de decoupe cylindrique coaxiale externe

Publications (1)

Publication Number Publication Date
EP0959010A1 true EP0959010A1 (de) 1999-11-24

Family

ID=9526352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99401175A Withdrawn EP0959010A1 (de) 1998-05-14 1999-05-14 Rohrförmige Kartusche mit abbrechbarer Öffnung durch ein äusseres koaxiales zylindrisches Aufreissband

Country Status (3)

Country Link
EP (1) EP0959010A1 (de)
CA (1) CA2272030A1 (de)
FR (1) FR2778636B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3184074A1 (de) * 2015-12-23 2017-06-28 Sulzer Mixpac AG Entlader
EP4193875A3 (de) * 2021-12-13 2023-10-04 PPK (Shanghai) Packaging Co., Ltd. Nachfüllvorrichtung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2871783B1 (fr) * 2004-06-16 2007-06-29 Manuf Bourguignonne De Plastiq Bouchon d'obturation amovible d'une cartouche cylindrique deformable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183800A (en) * 1963-02-26 1965-05-18 American Can Co Method of forming a cover for a package
US4434908A (en) * 1981-06-15 1984-03-06 Buckeye Molding Company Container having integral opening means
DE8516839U1 (de) * 1985-06-08 1985-08-08 Novoplast-Verpackungen Gmbh & Co Kg, 7970 Leutkirch Dosierbecher
EP0303976A2 (de) * 1987-08-19 1989-02-22 Tetra Laval Holdings & Finance SA Quaderförmige Flüssigkeitspackung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183800A (en) * 1963-02-26 1965-05-18 American Can Co Method of forming a cover for a package
US4434908A (en) * 1981-06-15 1984-03-06 Buckeye Molding Company Container having integral opening means
DE8516839U1 (de) * 1985-06-08 1985-08-08 Novoplast-Verpackungen Gmbh & Co Kg, 7970 Leutkirch Dosierbecher
EP0303976A2 (de) * 1987-08-19 1989-02-22 Tetra Laval Holdings & Finance SA Quaderförmige Flüssigkeitspackung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3184074A1 (de) * 2015-12-23 2017-06-28 Sulzer Mixpac AG Entlader
WO2017109125A3 (en) * 2015-12-23 2017-08-03 Sulzer Mixpac Ag Discharger
CN108697584A (zh) * 2015-12-23 2018-10-23 苏尔寿混合技术有限公司 排放器
US11364095B2 (en) 2015-12-23 2022-06-21 Medmix Switzerland Ag Discharger
EP4193875A3 (de) * 2021-12-13 2023-10-04 PPK (Shanghai) Packaging Co., Ltd. Nachfüllvorrichtung

Also Published As

Publication number Publication date
CA2272030A1 (fr) 1999-11-14
FR2778636B1 (fr) 2000-07-13
FR2778636A1 (fr) 1999-11-19

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