WO2001058769A1 - Cartouche tubulaire moulee a ouverture dechirable controlee - Google Patents
Cartouche tubulaire moulee a ouverture dechirable controlee Download PDFInfo
- Publication number
- WO2001058769A1 WO2001058769A1 PCT/FR2001/000372 FR0100372W WO0158769A1 WO 2001058769 A1 WO2001058769 A1 WO 2001058769A1 FR 0100372 W FR0100372 W FR 0100372W WO 0158769 A1 WO0158769 A1 WO 0158769A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disc
- cartridge
- skirt
- cover
- external
- Prior art date
Links
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
- 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 a system for opening the frangible bottom of a cylindrical cartridge molded from degradable plastic, more particularly intended for pasty products such as grease or the like.
- Cartridges of such pasty products are already known, which comprise a closed tubular body, at one of its ends by a bottom coming from molding with the side wall of the body and, at its other end, by a removable plug closing off the cartridge outlet. These cartridges are intended for use with devices such as dispensing guns. To this end, the user tears off the bottom of the cartridge beforehand to allow the introduction, through the passage thus formed, of a piston pushing the pasty product contained in the cartridge towards the outlet orifice.
- the bottom of the grease cartridge is connected to the wall of the tubular body of said cartridge by a connection zone with lower resistance in such a way that its separation from the tubular body at the time of its use in a dispensing gun, provides a clean passage through which the piston of the gun can be engaged which ensures the delivery of the grease towards the outside of the cartridge.
- the bottom of the cartridge is constituted by a strip extending in a spiral and flat from a central point, the turns being contiguous and connected by a line of least resistance, so that by pulling at the center of the bottom of the cartridge by means of a gripping member, the bottom of the cartridge is gradually cut out.
- Such a device if it is particularly suitable for degradable materials such as polyethylene, nevertheless has many disadvantages: the opening of the cartridge is done in successive blows when detaching the successive turns and in addition, the spiral tape thus obtained is torn off at once from the periphery of the tubular body of the cartridge, which has the unpleasant effect of projecting, at the time of release of the strip which then behaves like a spring, the residual grease present on the side of the spiral which was in contact with the grease before opening.
- the object of the present invention is to bring a clear improvement to this frangible opening system of a cylindrical cartridge for a pasty product or the like, molded in a plastic material and usable in a piston distributor gun as a tubular body, to ensure in cooperation with said piston the progressive delivery of the pasty product through one of the ends of said cartridge normally closed before use by a plug, the other end of the tubular body being, before use, closed by a frangible cover coming from molding with the side wall of the body and whose detachment by a pulling ring provides, as in the prior art cited, a clear passage ensuring free circulation of the product discharged by the piston.
- this cylindrical cartridge is remarkable in that the cover which has the general shape of a generally flat disc at least on its internal face, surrounded by a vertical skirt which extends from and above its external face, on a constant height, substantially perpendicular to the plane of the disc, is attached to the internal face of the corresponding end of the tubular body or of the part which takes its place, by a tearable film of molded material connecting it to the face external of the upper end of the skirt, the latter comprising at a point on its circumference a vertical cutout over its entire height extending horizontally on the disc over a substantially equal distance to form a radial cutout, the edges of which support two vertical blanks substantially equal, preferably parallelepipedic and arranged opposite, of thickness at least equal to that of the skirt and of the same height, vertically attached to the banks of the vertical cut and connected together by their external free edges and facing, by a tear-off film of molded material forming the seal of the cover, a wire of molded material of suitable shape coming from the external face of
- FIG. 1 is a perspective view showing the operation of opening the cover of the cartridge in the initial phase of printing
- FIG. 2 is a view from above of the cartridge provided with its frangible cover in the non-detached storage position
- FIG. 3 is a bottom view of the frangible cover of the cartridge according to the invention.
- FIG. 4 is a partial section along the line IV-IV of Figure 2 and on a larger scale of the lid opening system proposed by the invention
- the cartridge 1 is closed at one of its ends by a plug not shown in the figures.
- a cover 2 is provided for sealing the cylindrical body 3 of the cartridge 1 in a sealed manner.
- the cover 2 consists of a plate of molded material forming a shutter having the shape of a disc 4, of thickness advantageously identical to that of the tubular body 3 and generally planar, at least as far as its face is concerned. internal in its most general variant
- the skirt 5 comprises at a point of its circumference, a vertical cutout 7 (FIG.
- a wire of molded material 11 of suitable shape is secured to the external face of a first vertical blank 9, on the side opposite from its line of attachment to the skirt 5 and is connected symmetrically by its other end to the external face of the second vertical blank 9, to form an external pulling ring;
- the length of the pulling ring 11 will be large enough to be able to slide the first phalanx of a finger of the user as shown in Figure 1 and, conversely limited so that at rest said ring 11 s 'written completely inside the cover 2 as shown in Figures 2 and 4;
- the cross section of the wire 11 of the pulling ring is rounded on its internal face to soften the grip, when opening the cartridge.
- a bead 12 coming from molding extends over the external face 4a of the disc 4 substantially in an arc of circle to connect the areas of attachment of the ring 11 to the blanks 9 and thus reinforce its attachment to the cover while avoiding an untimely radial tear during the entire phase of the drawing with a view to its removal, as will be said below.
- a boss 13 which is advantageously circular and which rises above the external face 4a of the disc 4 over a height which is close to, although less than the height h of skirt, diameter being such that the boss 13 is always inside the ring 11 when it is at rest, that is to say before opening of the cover 2. It goes without saying that the boss 13 comes into relief in the center of the cover 2 and therefore appears hollow on the internal face 4b of the cover 2 in accordance with the representation of FIG. 3, and this for an obvious saving of material.
- the operator holds in the palm of his hand the body 3 of the cartridge 1, positioning his thumb either in the center of the outer face 4a of the disc 4 or, as in the variant shown in Figure 1, on the boss 13 which thus participates more effectively in the lever movement at the time of pulling on the tear-off ring 11; it is true that the boss 13 provides stiffening of the disc 4 of the cover 2 which further accentuates the shearing effect provided by the cutouts 7 and 8 at the time of printing.
- the concentration of this effort in the print then causes an initiation of rupture of the film 6 on either side of the vertical cut 7, which allows the disc 4 to curve in a bird's wing towards the high without inflection constraint due to the horizontal cutout 8, providing a symmetrical and progressive detachment of the cover 2 along the upper end of the tubular body 3, without jerking or spring effect as in the prior art.
- the bead 12 contributes to avoiding an untimely radial tearing of the disc 4 as an extension of the horizontal cutout 8, which would have the effect of shifting the forces of the pulling on the ring 11 and creating an uncertain tear in the film 6.
- frangible cover in accordance with the invention could be adapted to any form of cylindrical cartridge made of a molded material; according to another configuration of the invention, provision can be made for the frangible cover 2 to be mounted on the head of a circular plug (not shown in the figures) which is then attached or welded to the free end of the tubular body 3 d '' a cartridge 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Coating Apparatus (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60104656T DE60104656T2 (de) | 2000-02-09 | 2001-02-09 | Geformte rohrförmige kartusche mit kontrollierter abbrechbarer öffnung |
CA002399617A CA2399617A1 (fr) | 2000-02-09 | 2001-02-09 | Cartouche tubulaire moulee a ouverture dechirable controlee |
AU2001235635A AU2001235635A1 (en) | 2000-02-09 | 2001-02-09 | Moulded tubular cartridge with controlled tearaway opening |
US10/203,377 US6779675B2 (en) | 2000-02-09 | 2001-02-09 | Moulded tubular cartridge with controlled tearaway opening |
DK01907738T DK1257475T3 (da) | 2000-02-09 | 2001-02-09 | Stöbt rörformet hylster med kontrollerbart opbrækkelig åbning |
AT01907738T ATE272545T1 (de) | 2000-02-09 | 2001-02-09 | Geformte rohrförmige kartusche mit kontrollierter abbrechbarer öffnung |
EP01907738A EP1257475B1 (fr) | 2000-02-09 | 2001-02-09 | Cartouche tubulaire moulee a ouverture dechirable controlee |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0001589A FR2804657B1 (fr) | 2000-02-09 | 2000-02-09 | Cartouche tubulaire moulee a ouverture dechirable controlee |
FR00/01589 | 2000-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001058769A1 true WO2001058769A1 (fr) | 2001-08-16 |
Family
ID=8846797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2001/000372 WO2001058769A1 (fr) | 2000-02-09 | 2001-02-09 | Cartouche tubulaire moulee a ouverture dechirable controlee |
Country Status (10)
Country | Link |
---|---|
US (1) | US6779675B2 (fr) |
EP (1) | EP1257475B1 (fr) |
AT (1) | ATE272545T1 (fr) |
AU (1) | AU2001235635A1 (fr) |
CA (1) | CA2399617A1 (fr) |
DE (1) | DE60104656T2 (fr) |
DK (1) | DK1257475T3 (fr) |
ES (1) | ES2227133T3 (fr) |
FR (1) | FR2804657B1 (fr) |
WO (1) | WO2001058769A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2900130A1 (fr) * | 2006-04-24 | 2007-10-26 | Plastiques Rg Soc Par Actions | Emballage de conditionnement en matiere plastique |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004063055A1 (fr) * | 2003-01-09 | 2004-07-29 | The Coca-Cola Company | Procedes et appareil de stockage et de distribution de dessous de verre |
US20050029267A1 (en) * | 2003-08-05 | 2005-02-10 | Sonoco Development, Inc. | Container having a cut panel lid with a pull feature |
US20050184137A1 (en) * | 2004-01-02 | 2005-08-25 | Dorsey Massai Z. | Bullhorn cup |
US8405508B2 (en) * | 2006-08-09 | 2013-03-26 | Emd Millipore Corporation | Use of gamma hardened RFID tags in pharmaceutical devices |
US8109406B2 (en) * | 2006-10-26 | 2012-02-07 | Charles Chang | Beverage container construction |
DE202010015980U1 (de) | 2010-11-29 | 2011-03-03 | König, Christian | Vorrichtung zum dosierten Auftragen und Verteilen von hochviskosen Stoffen |
US10400952B1 (en) | 2014-10-21 | 2019-09-03 | Gree-See Technology, Llc | Fluid dispenser |
US9333289B1 (en) | 2015-01-16 | 2016-05-10 | Plas-Tech Engineering, Inc. | Tamper evident closure container |
US9874310B2 (en) * | 2016-01-15 | 2018-01-23 | Gree-See Technology, Llc | Grease gun cartridge construction |
US10711944B2 (en) | 2016-01-15 | 2020-07-14 | Gree-See Technology, Llc | Grease gun cartridge construction |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967754A (en) * | 1975-05-12 | 1976-07-06 | Continental Can Company, Inc. | Pull tab anti-rotation mounting |
US4702387A (en) * | 1986-11-24 | 1987-10-27 | Packaging Resources Inc. | Container and plastic closure therefor |
FR2709732A1 (fr) | 1993-09-10 | 1995-03-17 | Manuf Bourguignonne Plasti | Cartouche dégradable pour produits pâteux munie d'un fond frangible. |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2601937A (en) * | 1949-03-28 | 1952-07-01 | Ottesen Andrew | Receptacle cover |
USRE29850E (en) * | 1967-02-21 | 1978-11-28 | Breskin Industries Corp. | Closure spout having tear-out portion |
US3415412A (en) * | 1967-12-06 | 1968-12-10 | Buckeye Molding Co | Severable packaging structure |
USRE27611E (en) * | 1969-07-08 | 1973-04-03 | Easily openable sealed plastic closure and method | |
US3750820A (en) * | 1970-03-02 | 1973-08-07 | M Labarre | Stopper |
US4171062A (en) * | 1978-02-16 | 1979-10-16 | Buckeye Molding Company | Container having closure fastening means |
US4438864A (en) * | 1982-06-09 | 1984-03-27 | Container Corporation Of America | Tamperproof closure |
US4442949A (en) * | 1983-03-21 | 1984-04-17 | American Flange & Manufacturing Co. Inc. | Tear open closure assembly |
US4687116A (en) * | 1986-09-10 | 1987-08-18 | Sun Coast Plastics, Inc. | Easy open container end closure |
WO1995006600A1 (fr) * | 1993-09-03 | 1995-03-09 | The Procter & Gamble Company | Couvercle dechirable ameliore de boite metallique |
US5511679A (en) * | 1995-04-24 | 1996-04-30 | Creative Packaging Corp. | Closure for resealable container |
US5713484A (en) * | 1996-03-26 | 1998-02-03 | Sonoco Products Company | Two-piece plastic container and removable cover |
US6179147B1 (en) * | 1999-06-03 | 2001-01-30 | Tetra Laval Holdings & Finance, Sa | Closure with flush-formed barrier membrane having selectively thinned edge regions |
-
2000
- 2000-02-09 FR FR0001589A patent/FR2804657B1/fr not_active Expired - Fee Related
-
2001
- 2001-02-09 AT AT01907738T patent/ATE272545T1/de active
- 2001-02-09 CA CA002399617A patent/CA2399617A1/fr not_active Abandoned
- 2001-02-09 ES ES01907738T patent/ES2227133T3/es not_active Expired - Lifetime
- 2001-02-09 DE DE60104656T patent/DE60104656T2/de not_active Expired - Lifetime
- 2001-02-09 AU AU2001235635A patent/AU2001235635A1/en not_active Abandoned
- 2001-02-09 WO PCT/FR2001/000372 patent/WO2001058769A1/fr active IP Right Grant
- 2001-02-09 DK DK01907738T patent/DK1257475T3/da active
- 2001-02-09 EP EP01907738A patent/EP1257475B1/fr not_active Expired - Lifetime
- 2001-02-09 US US10/203,377 patent/US6779675B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967754A (en) * | 1975-05-12 | 1976-07-06 | Continental Can Company, Inc. | Pull tab anti-rotation mounting |
US4702387A (en) * | 1986-11-24 | 1987-10-27 | Packaging Resources Inc. | Container and plastic closure therefor |
FR2709732A1 (fr) | 1993-09-10 | 1995-03-17 | Manuf Bourguignonne Plasti | Cartouche dégradable pour produits pâteux munie d'un fond frangible. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2900130A1 (fr) * | 2006-04-24 | 2007-10-26 | Plastiques Rg Soc Par Actions | Emballage de conditionnement en matiere plastique |
Also Published As
Publication number | Publication date |
---|---|
DE60104656T2 (de) | 2005-08-25 |
AU2001235635A1 (en) | 2001-08-20 |
DE60104656D1 (de) | 2004-09-09 |
EP1257475A1 (fr) | 2002-11-20 |
US6779675B2 (en) | 2004-08-24 |
FR2804657B1 (fr) | 2002-05-03 |
EP1257475B1 (fr) | 2004-08-04 |
CA2399617A1 (fr) | 2001-08-16 |
FR2804657A1 (fr) | 2001-08-10 |
DK1257475T3 (da) | 2004-12-06 |
US20030183634A1 (en) | 2003-10-02 |
ATE272545T1 (de) | 2004-08-15 |
ES2227133T3 (es) | 2005-04-01 |
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