RU2258667C2 - Opening device for bottles sealed with crown caps - Google Patents

Abstract

FIELD: packing equipment, particularly disposable opening devices previously connected to sealed bottles.

SUBSTANCE: device has closure, installed on crown cap and having annular inner extension arranged at opened end thereof and snap-fitted under crown cap rim. Device also has handle made as extension on outer cap surface and directed preferably at an angle to bottom plane thereof. All members are formed of plastics as a single whole. Side walls of the closure are provided with weakened areas arranged symmetrically about base of handle extension and dividing inner annular extension into parts.

EFFECT: increased convenience of bottle opening due to reduced pressure applied to user's hand and due to high availability for bottle opening.

4 cl, 3 dwg

Description

The invention relates to packaging and unpacking of products, in particular to manual devices for opening bottles closed with crown caps.

Various hand-held devices for opening bottles closed with crown caps are known, mounted on the top of the bottles during capping or subsequent packaging operations.

The main purpose of such devices is to increase the convenience of opening by providing such an opportunity without the use of additional devices or improvised means.

For example, the “Crown plug” for capping bottles with a tongue for opening is known ”according to Pat. R.F. No. 2086487, IPC B 65 D 41/42, publ. 08/10/97, bull. No. 22, which is functionally a crown stopper and a device for opening a bottle closed with this stopper.

Opening a bottle closed with crown caps made in accordance with this invention does not require preparatory operations and consists of two turns of the tongue and removal of crown caps.

However, the analogue has the following disadvantages:

When performing the above steps, the fingers (finger) of the hand come in contact with a hard thin-walled tongue. Since it is necessary to apply a force of about 2.5 kg to rotate the tongue and a thickness of the tongue material (like crown caps) of about 0.5 mm, pressure develops in the places where the fingers interact with the tongue, and especially its edges, causing pain, and when slipping a finger along the edge of the tongue and the possibility of injury.

Another disadvantage of the analogue is the impossibility of its "implementation" without the re-equipment and refinement of high-performance equipment for the production of unified crown caps of a traditional design, produced by hundreds of millions of pieces per year.

The indicated drawbacks are partially deprived of the “Device for removing crown caps from bottles” according to Pat. R.F. No. 2049718, IPC B 67 V 7/16 publ. 12/10/95, bull. No. 34, the closest in technical essence and the achieved result, adopted as a prototype.

This device contains an annular element for fixing it on the neck of the bottle, which is also functionally a handle, and protrusions for interacting with the crown of the crown plug when opening.

The listed elements of the prototype are made in the form of a single object from an elastic material, which means wire.

The use of the prototype does not require changes in the design of crown caps and the technology of its manufacture.

However, the prototype also has disadvantages that create some discomfort when opening bottles closed with crown caps.

So, to open this device, you must first bring it into working position, namely: remove the device from the neck, orient it relative to the bottle, introduce the hook protrusions into the cavities formed by the corrugations of the crown crown and the neck of the bottle.

Given the small size of these cavities, getting them protrusions, hooks requires a certain accuracy and clarity of movement, dexterity of the user, which is not always convenient.

In addition, due to the high elasticity and hardness of the materials of the interacting elements of the device and the corked bottle, uncontrolled removal (jumping off) can occur during and after the crown crown deformation.

Opening the bottle closed with crown caps, the prototype device may also be accompanied by pain of the user due to the relatively small area of contact of the hand with the device.

The technical result, the achievement of which is provided by the use of the claimed invention, consists in increasing the degree of readiness of the device for opening bottles closed with crown caps for work.

In addition, when opening the fingers (finger) of the hand, less pressure is applied, which eliminates pain and trauma.

This technical result is achieved by the fact that in the known device for opening bottles closed with crown caps containing a ring element covering the top of the bottle, protrusions for interacting with the crown of the crown cap and a handle that are made in the form of one object, an annular element and protrusions for interacting with the crown of the crown cap made in the form of a cap covering the crown crown, at the open end of which there is an inner annular protrusion made with the possibility of snapping under the edge of the crown to onenprobki. The specified annular protrusion is divided into parts. The handle is made in the form of an elongated protrusion on the outer surface of the cap.

The device is made of plastic.

The device is installed on a bottle closed with crown caps from the bottom of crown caps until the inner ring protrusion clicks under the crown crown crown edge. In this case, the dimensions of the inner annular protrusion are selected from the condition of elastic deformation of the cap skirt during installation when the protrusion passes through the lower edge of the crown crown, which has the largest diameter described by the cross section of the crown crown circle.

Installation of the device on crown caps without violating its integrity and shape is provided not only by the design, but also by the material, since many types of plastics allow significant deformations provided they are short-lived.

The shape and dimensions of the cross section of the inner annular protrusion are determined by the relative position of the crown plug elements and the surface of the neck of the bottle and are close to trapezoidal similar to the well-known latches made of plastic (see, for example, the Handbook of technology for plastic products. G.V. Sagalaev and others M., Chemistry, 2000).

Since the device should not significantly increase the opening force, it is advisable to provide the side wall (skirt) of the cap and the inner ring element with at least two zones of low mechanical strength, preferably symmetrically placed relative to the protrusion of the handle.

The best option for placing zones of low mechanical strength are the places where the cap wall meets the surfaces of the base of the protrusion of the handle.

To ensure angular orientation and fixation from turning the device on the inner surface of the side wall of the cap, it is advisable to perform one or more protrusions interacting with the surface of the corrugations of the crown plug.

One of the options for placing these protrusions (protrusion) is the area of the inner surface of the side wall of the cap, diametrically opposite to the base of the protrusion handle.

The best option is to place the protrusions (protrusion) under the handle.

In the subsequent case, these protrusions (protrusion) also play the role of stiffeners, reinforcing that part of the inner annular protrusion, which transfers the load from the protrusion of the handle to crown crown when opening the bottle.

It is also advisable that the distance between the contact plane of the inner annular protrusion and the crown rim of the crown plug and the inner surface of the cap bottom is equal to or less than the crown crown height, which ensures tightness and reliable backlash-free fixation of the device after the inner annular protrusion clicks under the crown crown rim.

The optimal embodiment of the handle protrusion on the outer surface of the cap is its radial orientation, which minimizes the lateral components of the force transmitted to the cap when opening.

In addition, in order to create the required moment deforming the crown crown, the least effort applied to the protrusion of the handle without leaving the latter in the initial position beyond the largest cross section of the bottle, the protrusion of the handle can be made at an angle to the longitudinal axis of the cap towards its open end.

Optimum angles are a range of 30 ° -60 °.

At angles less than 30 °, the gap between the protrusion of the handle and the neck of the bottle becomes insufficient for introducing fingers (fingers) of the hand into it, and at angles of more than 60 ° the gain in the length of the lever arm, which is the protrusion of the handle, is minimized.

In the bottom of the cap, it is advisable to make an opening, the shape of which can be different, but in all cases symmetrical with respect to the plane passing through the longitudinal axis (center) of the cap and the protrusion handle.

In this case, the base of the protrusion of the handle can be partially placed on the bottom of the cap and extend to its middle part, thereby providing a minimum of effort for loss of stability of the bottom of the crown plug when opening.

The sources of information available to the applicant did not reveal information about devices for opening bottles closed with crown caps, which are characterized by an identical set of essential features.

Despite the fame of each individual distinctive feature, in the proposed device, their new combination ensures the achievement of a new technical result.

Figure 1 shows a view of a device for opening bottles closed with crown caps mounted on crown caps with which the bottle is closed.

In the breakouts, the design of the cap interacting with the crown caps elements is shown.

Figure 2 shows a top view with a pullout, which shows part of the cross section of the device, in a plane slightly above the edge of the crown crown crown.

Figure 3 is a top view of a variant of the device, providing for the placement of part of the base of the protrusion of the handle on the bottom of the cap, and in the breakout is a variant of the device with a protrusion interacting with the corrugations of the crown crown, fixing the angular position of the device relative to crown crown and bottle.

A device for opening bottles closed with crown caps contains a cap 1, covering crown crown 2 so that the inner annular protrusion 3 is latched under the edge of crown 4 of crown caps 2, a handle in the form of an elongated protrusion 5 on the outer surface of cap 1.

In the bottom 6 of the cap 1, a hole 7 can be made.

The side walls 8, the inner annular protrusion 3 of the cap 1 are divided into symmetrical parts by zones of low mechanical strength 9, which can be made, for example, in the form of local thinning, slots, or in any other known manner.

10 - part of the base of the handle 5, partially placed on the bottom 6 of the cap 1.

11 - protrusion on the inner surface of the side wall 8 of the cap 1, interacting with the corrugations of the crown of crown crown 2 and fixing the angular position of the device relative to crown crown 2 and the bottle.

The work of the proposed device for opening bottles closed with crown caps is as follows: a force is applied to the handle 5 by turning it in the direction of arrow A.

The force from the handle 5 through its base is transmitted to the part of the inner annular protrusion 3, which, acting on the edge of the crown 4 and the bottom of the crown plug 2, deforms the corresponding part of the latter.

Part of the cap 1 and the inner annular protrusion 3, separated by zones of low mechanical strength 9, are practically not deformed.

At the initial stage of opening, the surface of the inner annular protrusion 3 in contact with the edge of crown 4 of crown crown 2 moves along a path close to the arc of a circle, the center of which is in the area between the interface between bottom 6 and crown 4 of crown crown 2 and the end of base 10 of handle 5.

Since the contact surface area of the edge of the crown 4 of crown crown 2 and the inner annular protrusion 3 is extremely small, and the plastic hardness is much lower than the hardness of the metal material of crown crown 2, the latter part of the edge of crown 4 starts to cut into the body of the inner ring ledge 3.

As you move the handle 5, the inner annular protrusion 3 and the crown 4 deforming by it, the contact surface area increases. Insertion of the edge of the crown 4 into the body of the inner annular protrusion 3 improves the mutual adhesion of crown crown 2 and the deforming part of the device. That is, a device for opening bottles closed with crown caps completes the formation of its working body of the inner annular protrusion 3 in the process.

When performing part of the base 10 of the handle 5 in the form of an element extending to the middle part of the bottom 6, the loss of stability by the bottom of the crop plug 2 occurs with minimal effort, which contributes to a better operation of the device.

As the handle 5 is rotated, the bottle is depressurized and crown 4 of crown crown 2 comes out of engagement with the whisk of the bottle neck. Crown plug 2 is removed along with the device. The bottle is open.

Compared with the prototype, the proposed device has the following advantages:

full readiness for opening, excluding preparatory actions;

ease of opening, provided by the reduction of pressure on the fingers (finger) of the hand at the point of contact with the handle, the shape and dimensions of which can vary within wide limits, taking into account overall limitations;

crown crown removal occurs in a controlled manner, since the device holds it even after decoupling.

The proposed device for opening bottles closed with crown caps can be installed on the corked bottle mechanically in the same way as the installation of known plastic caps on various types, for example, glass containers.

Using the proposed device opens up additional possibilities for the design of bottles closed with crown caps, as well as giving them greater ergonomics.

Claims (4)

1. A device for opening bottles closed with crown caps, including a cap with a bottom, a side wall and an inner annular protrusion located thereon, which is capable of snapping under the edge of the crown crown, while a handle is mounted on the outer surface of the cap at an angle to its longitudinal axis in the form an elongated protrusion, and at the points of mating of the cap wall and the base of the handle, at least two zones of low mechanical strength are made. 2. The device according to claim 1, characterized in that the zones of low mechanical strength are made symmetrically with respect to the junction of the cap with the handle. 3. The device according to claim 1, characterized in that the handle is installed at an angle of 30-60 ° to the longitudinal axis of the cap. 4. The device according to claims 1 to 3, characterized in that the part of the base of the handle is made in the form of a rigid trapezoidal part of the bottom of the cap.

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