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
  • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
  • B65D41/62—Secondary protective cap-like outer covers for closure members

Definitions

• the present invention relates to improvements made to overcapping capsules, more particularly although not exclusively of the type described in French patent application 7606230 in the name of the present applicant.
• the devices of the kind in question are particularly appreciated when they are provided with a tear-off strip which prevents them from having recourse to a. an instrument such as a knife.
• a tear-off strip which prevents them from having recourse to a. an instrument such as a knife.
• the use of such a strip necessarily results in the creation of a fragile zone due to the fact that it is precisely connected to the skirt of the capsule by low resistance thinning lines. We often see the capsule breaking at the level of these lines when it is placed on the neck of a bottle and more particularly when this installation is carried out by exerting a significant force on the bottom of the capsule.
• the improvements which form the subject of the present invention aim to remedy the aforementioned drawbacks and to allow the production of a tear strip capable of:
• a the face of a tearing strip for a cap for over-filling spaced vertical ribs, the thickness of which suddenly decreases to become zero at the level of its edges which delimit the cutting lines of said strip.
• FIG. 1 is an elevational view with cutaways of an overcapping capsule, the tear-off strip of which comprises the application of the improvements according to the invention
• FIG. 2 is a partial section on a larger scale.
• Fig. 3 is a view similar to that of fig, 1, but showing the start of tearing of the guarantee strip,
• Fig. 4 illustrates on a large scale how the ribs according to the invention prevent bad tearing of the guarantee strip.
• FIG. 1 shows an overcapping cap assigned the general reference 1, and which is intended to be placed on the neck of a bottle with a view to sealing it, to constitute an element of guarantee of its content, and / or decorate it.
• the capsule shown is that which is the subject of French patent 7606230 but the invention can naturally be applied to any capsule with a tear-off strip.
• the capsule 1 shown in FIG. 1 comprises a tubular body or skirt 2 closed at one of its ends by a bottom 3, the connection to the skirt of which is provided with slots 4 intended for the evacuation of the air during the installation of the capsule.
• a retaining ring 5 is provided inside the skirt 2 to allow the capsule 1 to be secured to the aforementioned neck by snapping the ring under the ring of this neck.
• a tear-off guarantee strip 6 has been formed in the skirt 6.
• the strip 6 is connected to the skirt by two peripheral grooves made in the thickness of the skirt from the inside and which determine two thinning lines 7, 8.
• vertical ribs 9 spaced apart from each other and whose thickness is intended to increase the moment of inertia of the section of the strip 6 are provided on the inner face of the tear-off strip 6 so as to avoid its deformation during the forceful introduction of the capsule by axial action on its bottom 3.
• the thickness of the ribs 9 is determined as a function of that of the strip and of the force to be applied to the bottom 3 of. the cap so that its skirt comes to surround the neck 10 of a bottle (FIG. 3). The thickness of each rib suddenly decreases to become zero at the level of each rim 2a, 6a.
• a cutting or embossing 11 is carried out in the capsule once it has been molded by means of a gouge-shaped tool which cuts right through the strip 6 (fig. . 1).
• This gouge is preferably disposed obliquely with respect to the periphery of said strip, that is to say it is oriented in a non-normal manner to this periphery.
• the user introduces the nail or an instrument into the cutout 11 so as to separate the end 6b of this strip which in fact constitutes a gripping tab.
• the adhesion of the fingers with this tab is improved, which facilitates tearing.
• Oversealing cap The strip thereof (6) included on its lower face vertical ribs (9) spaced from each other and of which the end gradually decreases in height to become nil at the weakening lines (7, 8) which connect the strip to the skirt (2 ) of the cap. Application to the cutting technology.
• Its strip (6) comprises on its underside vertical ribs (9) spaced from one another and whose ends are of decreasing height to become zero at the level of the thinning lines (7, 8) which connect the strip to the skirt (2) of the capsule. Capping industry.
• the present invention relates to improvements made to overcapping capsules, more particularly although not exclusively of the type described in French patent application 76 06230 in the name of the present applicant.
• the devices of the type in question are particularly appreciated when they are provided with a tear-off strip which avoids having to resort to an instrument such as a knife in order to open them.
• a tear-off strip which avoids having to resort to an instrument such as a knife in order to open them.
• the use of such a strip necessarily entails the creation of a fragile zone because it is precisely connected to the skirt of the capsule by low resistance thinning lines. We often see the capsule breaking at the level of these lines when it is placed on the neck of a bottle and more particularly when this installation is carried out by exerting a significant force on the bottom of the capsule.
• the improvements which form the subject of the present invention aim to remedy the aforementioned drawbacks and to allow the production of a tear strip capable of:
• the face of a tearing strip for an over-filling capsule is made to comprise spaced vertical ribs, the thickness of which suddenly decreases to become zero at the level of its edges which delimit the cutting lines of said strip.
• FIG. 1 is an elevational view with cutaways of an overcapping capsule, the tear-off strip of which comprises the application of the improvements according to the invention
• FIG. 2 is a partial section on a larger scale.
• Fig. 3 is a view similar to that of fig, 1, but showing the start of tearing of the guarantee strip,
• Fig. 4 illustrates on a large scale how the ribs according to the invention prevent bad tearing of the guarantee strip.
• an overcapping cap assigned the general reference 1, and which is intended to be placed on the neck of a bottle with a view to sealing it, constituting an element of guarantee of its content, and / or decorating it.
• the capsule shown is that which is the subject of French patent 7606230 but the invention can naturally be applied to any capsule with a tear-off strip.
• the capsule 1 shown in FIG. 1 comprises a tubular body or skirt 2 closed at one of its ends by a bottom 3, the connection to the skirt of which is provided with openings 4 intended for the evacuation of the air during the installation of the capsule.
• a retaining ring 5 is provided inside the skirt 2 to allow the capsule 1 to be secured to the aforementioned neck by snap-fastening the j ⁇ nc under the ring of this neck,
• Between the ring 5 and the bottom 3 is provided in the skirt has a tear-off guarantee strip 6.
• the strip 6 is connected to the skirt by two peripheral grooves made in the thickness of the skirt from the inside and which determine two thinning lines 7, 8.
• grooves have a triangular shape in cross section if although in fact the guarantee strip is connected to the skirt only by .two very thinned edges integral one 6a of the strip 6, the other 2a of the skirt 2.
• the strip 6 bends, which in most cases results in the breaking of the thinning lines 7, 8 at the edges 2a, 6a.
• vertical ribs 9 spaced apart from each other and whose thickness is intended to increase the moment of inertia of the section of the strip 6 are provided on the inner face of the tear-off strip 6 so as to avoid its deformation during the forceful introduction of the capsule by axial action on its bottom 3.
• the thickness of the ribs 9 is determined as a function of that of the strip and of the force to be applied to the bottom 3 of the capsule so that its skirt comes to surround the neck 10 of a bottle (FIG. 3). The thickness of each rib suddenly decreases to become zero at the level of each rim 2a, 6a.
• a cutting or embossing 11 is carried out in the capsule once it has been molded by means of a gouge-shaped tool which cuts right through the strip 6 (fig. . 1).
• This gouge is preferably disposed obliquely with respect to the periphery of said strip, ie it is oriented in a non-normal manner to this periphery.
• the user introduces the nail or an instrument into the cutout 11 so as to move the end 6b of this strip which in fact constitutes a gripping tab.
• the adhesion of the fingers with this tab is improved, which facilitates tearing.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=9220438

Family Applications (1)

Country Status (4)

Citations (3)

Family Cites Families (2)

• 1979
  • 1979-11-13 DE DE7979901524T patent/DE2966276D1/de not_active Expired
  • 1979-11-13 JP JP50195079A patent/JPS56501759A/ja active Pending
  • 1979-11-13 EP EP19790901524 patent/EP0039671B1/fr not_active Expired
  • 1979-11-13 WO PCT/FR1979/000105 patent/WO1981001399A1/fr not_active Ceased

Patent Citations (3)

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