JP6723437B2 - Case for sticks of pasty substance with magnetic closure - Google Patents

Description

The present invention relates to a case for a stick of pasty substance, more specifically for a lipstick tube.

Cases for pasty material sticks generally include a base for receiving the pasty material stick and a cap. The case can be in an open position in which the user can deploy the stick of paste material and in a closed position in which the cap and base are connected so that the case encloses the stick of paste material. In this final position, the stick of pasty material is inaccessible and protected.

To hold the case in the closed position, it is possible, for example, to fix the first and second permanently-magnetized members on the base and the cap, respectively. The attractive force exerted between the permanent magnetizing members is sufficient to maintain the case in the closed position and allows the user to easily separate the base and cap to transition the case from the closed position to the open position. So modest enough.

However, especially for lipstick tubes, the case may include one or more decorative patterns supported by one or more particular members. In this case, one of the base and the cap supports the member and the other one or more notches that accommodate the member when the case is in the closed position, or where the base and the cap meet. Including the shape of the non-circular cross section in. Thus, the number of notches determines the number of relative positions that the base and cap can assume when the case is in the closed position. Therefore, the permanent magnetizing member must allow this limited number of relative positions.

EP 1 095 870 A1 discloses a packaging device for products, in particular paste products, which comprises a base and a cap. The base has two magnetic means and the cap also has two magnetic means. The magnetic means carried by the base and cap are such that the base and cap can only take a small number of positions when the case is in the closed position. To achieve this, the cap carries a magnetic means having two north and south polar faces, respectively, opposite the magnetic means carried by the cap, which has two north and south polar faces, respectively. Thus, when the user closes the case, the opposite polarity surfaces of the magnetic means are attracted and the same polarity surfaces repel, allowing only a limited number of relative positions of the base and cap.

However, in order to hold the permanent magnetizing member in place, a complex shape of the base and cap is required. In fact, it is necessary for the complementary magnetic means to be relatively close to each other when the case is in the closed position. Thus, the base and the cap are provided with a body for accommodating the magnetic means having a relatively complex geometry.

European Patent No. 1,095,870

It is an object of the invention to provide a case that is simpler to manufacture.

To this end, the invention proposes a case for a stick of pasty material, which comprises a base for receiving a stick of pasty material and a cap, the base and the cap being respectively , An inner body of the longitudinal axis (X) and an outer body of the same longitudinal axis (X) with a radial dimension greater than the radial dimension of the first inner body, the base and the cap each being an inner body. And at least two permanent magnetizing members positioned between the outer body and each of the permanent magnetizing members, each permanent magnetizing member having an axial stop means supported by the inner body and a cylindrical ring of longitudinal axis (X). Axially held between, the cylindrical ring comprising a diamagnetic or ferromagnetic material and disposed between the outer body and the inner body of a permanent magnetizing member supported by the base. Each has a surface of opposite polarity to the surface of the continuous permanent magnetizing member supported by the base, and opposite the surface facing the two permanent magnetizing members supported by the cap when the case is in the closed position. Positioned to have a surface that is polar, the inner body of at least one of the base and the cap is characterized in that it includes at least one rib for retaining the permanent magnetizing member in a radial position.

The ribs for holding in the radial position and the ring for holding in the axial position are small. Thus, a reliable holding of the permanent magnetizing member is ensured by means of small size. Moreover, the ring may have a simple geometry, as it is only intended to form an axial stop that prevents movement of the permanent magnetizing member in one direction. Separate means are used to ensure that the permanent magnetizing member is retained in both radial and axial positions. Therefore, these means may have a relatively simple geometry. Therefore, the case is easier to manufacture.

Preferably, the axial stop means comprises a flange.

The flange is small.

Advantageously, the flange is at an axial end position on the inner body.

Thus, when the case is in the closed position, the permanent magnetizing members supported by the base and cap are in relatively close proximity. Therefore, it is possible to use a permanent magnetizing member that produces a low strength magnetic field. Therefore, the case is cheaper to manufacture.

According to one embodiment, the rib extends axially from the flange.

This arrangement is compact.

Advantageously, the cylindrical ring of at least one of the base and the cap is crimped onto the inner body. According to one embodiment, the base and cap cylindrical rings are crimped onto their respective inner bodies.

Preferably, the cylindrical ring of at least one of the base and the cap is glued to the inner body. According to one embodiment, the base and cap cylindrical rings are adhered to their respective inner bodies.

Such an arrangement is simple and holds the ring securely around the inner body.

According to one embodiment, at least one of the base and the cap has a generally cylindrical shape. Advantageously, the base and the cap have a generally cylindrical shape.

Therefore, the case has a generally cylindrical shape.

Advantageously, the outer body of at least one of the base and the cap has an axial dimension greater than the axial dimension of the inner body. Preferably, the base and outer body of the cap have an axial dimension greater than the axial dimension of the respective inner body.

Therefore, the outer body protects the inner body.

Preferably, the outer body of at least one of the base and the cap is adhered to the inner body. Advantageously, the base and the outer body of the cap are glued to their respective inner bodies.

Therefore, the outer body is firmly fixed to the inner body.

Preferably, the two permanent magnetizing members carried by at least one of the base and the cap are in diametrically opposed positions with respect to each other.

This maximizes the magnetic force that holds the case in the closed position.

According to one embodiment, the base and the cap each include four permanent magnetizing members, preferably arranged regularly around the periphery.

Therefore, the permanent magnetizing member need not generate a strong magnetic field to hold the case in the closed position. Furthermore, this arrangement allows for two diametrically opposed relative positions of the cap and the base. Thus, for example, if the base supports a particular member having a decorative pattern, only two diametrically opposed notches need to be provided in the cap to accommodate the member having a decorative pattern. Thus, this configuration defines two alternative closed positions for the case.

Advantageously, the permanent magnetizing member is a magnet.

This is a simple form of permanent magnetizing member.

Preferably, the diamagnetic material or the ferromagnetic material contains iron.

Such materials are plentiful and inexpensive.

Thus, the case is even stronger because the one or more outer sleeves protect the inner body, the outer body, the permanent magnetizing member, and the cylindrical ring.

Advantageously, the pasty substance stick is a lipstick stick.

Embodiments of the present invention will now be described as non-limiting examples with reference to the following drawings.

FIG. 7 is a front view of the case according to the invention in the open position. FIG. 7 is a front view of the case according to the invention in the closed position. It is a perspective view of a part of base part and cap separated from a case. It is a one part perspective view of the cap cut off from the case. It is a perspective view of a part of base part separated from the case. FIG. 7 is a perspective view of a part of the assembled base and cap. 3 is a schematic representation of the base and cap.

1A and 1B show a lipstick case 10 according to the invention. The case 10 is shown in the open position in FIG. 1A and in the closed position in FIG. 1B.

The lipstick case 10 includes a base 12 and a cap 14. The case 10 has a generally cylindrical shape and has a longitudinal axis (X). It extends between the distal end D and the proximal end P. The distal end D of the case 10 is the end furthest from the user's lips when the user applies the stick to the lips. In the rest of this description, reference will also be made to the proximal end P and the distal end D when describing the elements of the case 10. When in the closed position, the case 10 contains a stick 16 of pasty substance, here presented in the form of a lipstick stick.

The base 12 has a generally cylindrical shape and also has a longitudinal axis (X). It includes a transverse circular opening located at the proximal end and a transverse bottom at the distal end to allow the stick 16 of pasty material to be deployed. The base 12 is intended to receive a stick 16 of pasty material. For this purpose, the base is hollow and forms a housing for the stick 16 of pasty substance. The base 12 includes a member 18 having a decorative pattern at a radially outer circumferential periphery of its proximal end P. Here, the decorative pattern is in the form of raised surfaces extending radially outward. Alternatively, the decorative pattern is not raised or recessed and is in the form of a written pattern.

The cap 14 has a generally cylindrical shape and also has a longitudinal axis (X). As can be seen in FIG. 1B, when the case 10 is in the closed position, the cap 14 includes a transverse circular opening located at the distal end D and a transverse bottom at the proximal end P. Thus, the cap 14 forms a protective housing for the stick 16 of pasty material when the case 10 is in the closed position.

In addition, the case 10 includes a hollow, cylindrical grip member 17 having a longitudinal axis (X). The grip member 17 is fixed to the base 12. Rotation about the longitudinal axis (X) of the base 12 with respect to the grip member 17 allows the user to deploy the stick 16 of pasty material along the longitudinal axis (X) by a deployment mechanism. The pasty substance stick 16 is unfolded from the grip member 17 when the user unfolds the pasty substance stick 16 as can be seen in FIG.1A, and also if the user wishes to close the case 10. The grip member 17 is retracted so that it is completely surrounded in the radial direction.

The base 12 will now be described in more detail, with particular reference to FIGS. 2 and 3B.

The base 12 includes an inner body 22 and an outer body 24. Inner body 22 and outer body 24 have a generally cylindrical shape and, when assembled, coincide with the longitudinal axis of case 10 as can be seen in particular in FIG.1A, the longitudinal axis (X). Have. When the case 10 is assembled, both the inner body 22 and the outer body 24 have a circular opening at the proximal end P and a transverse bottom at the distal end D. In the radial direction, the diameter of the outer body 24 is larger than the diameter of the inner body 22. Therefore, the radial dimension of the outer body 24 is larger than the radial dimension of the inner body 22. Further, as can be seen in FIG. 2, the outer body 24 has a length relative to the longitudinal axis (X) that is longer than the length of the inner body 22. Thus, the outer body 24 of the base 12 has an axial dimension that is larger than the axial dimension of the inner body 22.

The inner body 22 of the base 12 supports the member 18, which itself has a decorative pattern. Member 18 is supported by the circumferential perimeter of inner body 22 which defines an opening whose edge is located at proximal end P.

On the circumferential edge defining the opening located at the proximal end P, the inner body 22 includes a radially outwardly extending flange 28. Thus, the flange 28 is at the axial end position on the inner body 22. The flange 28 further includes four ribs 30, which extend axially toward the distal end D of the inner body 22. Each rib 30 has a “V” shape when viewed axially from the distal end D of the inner body 22.

The diameter of the flange 28 is such that the radially outer surface of the flange 28 contacts the radially inner surface of the outer body 24 when the base 12 is assembled. Therefore, the inner body 22 is fixed to the outer body 24 by bonding. To this end, the circumferential perimeter of the inner body 22, the edge of which defines the proximal opening P, comprises an adhesive bead on the radially outer surface.

The base 12 also includes a hollow cylindrical ring 32 that includes circular openings at the proximal end P and the distal end D. Cylindrical ring 32 includes a longitudinal axis (X) and is secured around inner body 22. The cylindrical ring 32 is arranged on the radially outer wall of the inner body 22 such that the cylindrical ring 32 is arranged between the radially inner wall of the outer body 24 and the inner body 22.

The four ribs 30 form an axial stop for the cylindrical ring 32. Further, the cylindrical ring 32 is crimped around and on the inner body 22. Alternatively, the cylindrical ring 32 is glued to the inner body 22. Cylindrical ring 32 essentially comprises diamagnetic iron. In some variations, the cylindrical ring 32 comprises ferromagnetic iron or, more broadly, diamagnetic or ferromagnetic material. It will be appreciated that the cylindrical ring 32 has a circumferentially regular proximal end P and distal end D.

The cap 14 will now be described in more detail with reference to FIGS. 2 and 3A. The cap 14 has members and arrangements that are relatively similar to those of the base 12.

The cap 14 includes an inner body 34 and an outer body 36. Inner body 34 and outer body 36 have a generally cylindrical shape and have a longitudinal axis (X) that, when assembled, coincides with the longitudinal axis of case 10. When the case 10 is assembled, both the inner body 34 and the outer body 36 have a circular opening at the distal end D and a transverse bottom at the proximal end P. In the radial direction, the diameter of the outer body 36 is larger than the diameter of the inner body 34. Therefore, the radial dimension of the outer body 36 is larger than the radial dimension of the inner body 34. Further, as can be seen in FIG. 2, the outer body 36 has a length relative to the longitudinal axis (X) that is greater than the length of the inner body 34. Therefore, the outer body 36 of the cap 14 has an axial dimension that is greater than the axial dimension of the inner body 34.

On the circumferential edge defining the opening located at the distal end D, the inner body 34 includes a flange 38 extending radially outward. Thus, the flange 38 is at the axial end position on the inner body 34. The flange 38 further includes four ribs 40, which extend axially toward the proximal end P of the inner body 34. Each rib 40 has a “V” shape when viewed axially from the proximal end P of the inner body 34.

The diameter of the flange 38 is such that the radially outer surface of the flange 38 contacts the radially inner surface of the outer body 36 when the cap 14 is assembled. Therefore, the inner body 34 is fixed to the outer body 36 by gluing. To this end, the circumferential perimeter of the inner body 34, the edge of which defines the distal opening D, comprises an adhesive bead on the radially outer surface.

The cap 14 also includes a hollow cylindrical ring 42 that includes circular openings at the proximal end P and the distal end D. The cylindrical ring 42 has a longitudinal axis (X) and is secured around the inner body 34. The four ribs 40 form an axial stop for the cylindrical ring 42.

In addition, the cylindrical ring 42 is crimped around and on the inner body 34. Alternatively, the cylindrical ring 42 is glued to the inner body 34. Cylindrical ring 42 substantially comprises diamagnetic iron. In some variations, the cylindrical ring 42 comprises ferromagnetic iron or, more broadly, diamagnetic or ferromagnetic material. It will be appreciated that the cylindrical ring 42 has a circumferentially regular proximal end P and distal end D. The cylindrical ring 42 is disposed on the radially outer wall of the inner body 34 such that the cylindrical ring 42 is disposed between the radially inner wall of the outer body 36 and the inner body 34.

On the rim of the transverse circular opening located at the distal end D, the outer body 36 of the cap 14 carries the member 18 with the decorative pattern of the inner body 22 of the base 12 when the case 10 is in the closed position. It includes two diametrically opposed recesses 37 for receiving.

Thus, the two recesses in the outer body 36 of the cap 14 allow for two relative positions of the base 12 and the cap 14 when the case 10 is in the closed position. These two positions are symmetrical with respect to the longitudinal axis (X). Alternatively, the outer body 36 of the cap 14 allows for one or three relative positions of the base 12 and the cap 14 when the case 10 is in the closed position. The number of positions is equal to the number of recesses in the outer body 36 of the cap 14.

Here, a means for maintaining the relative position of the base 12 and the cap 14 when the case 10 is in the closed position will be described.

As can be particularly seen in FIGS. 2, 3A, 3B, and 4, the base 12 and the cap 14 each include four permanent magnetizing members 44, here in the form of magnets. Note that in FIG. 4, the outer bodies 24, 36 of the base 12 and cap 14, respectively, are laterally offset along the longitudinal axis (X) to reveal the permanent magnetizing member 44. This configuration is not the case 10 configuration when the case 10 is assembled and suitable for use. This is an illustration to better understand the operation of Case 10.

The four permanent magnetizing members 44 of the base 12 are regularly arranged around the periphery with a space defined by the flange 28 and the cylindrical ring 32 in the axial direction and by the ribs 30 in the radial direction. Similarly, the four permanent magnetizing members 44 of the cap 14 are regularly arranged around the periphery, with a space defined by the flange 38 and the cylindrical ring 42 in the axial direction and by the ribs 40 in the radial direction. ..

Thus, the permanent magnetizing member 44 is axially retained between the axial stop means, here the flange 28, supported by the inner body 22 of the base 12 and the cylindrical ring 32. Furthermore, these permanent magnetizing members 44 are held radially by ribs 30 and in the opposite radial direction by an inner body 22, which forms a means for holding permanent magnetizing members 44 in a radial position. .. The permanent magnetizing member 44 is applied radially inwardly against the radially outer surface of the inner body 22 and is located facing the rib 30. The radially inner surface of rib 30 forms a stop for permanent magnetizing member 44. The two "V" shaped arms of rib 30 each form a stop for permanent magnetizing member 44. Therefore, the permanent magnetizing member 44 abuts on the two ribs 30 which are continuous in the circumferential direction. Similarly, the rib 30 is in direct contact with the two circumferentially continuous permanent magnetizing members 44.

The permanent magnetizing members 44 of the cap 14 are similarly arranged. Thus, they are held axially between the axial stop means, here the flange 38, carried by the inner body 34 of the cap 14 and the cylindrical ring 42. In addition, the permanent magnetizing members 44 are retained radially by the ribs 40 and in the opposite radial direction by the inner body 34, which form means for retaining the permanent magnetizing members 44 in the radial position. .. Permanent magnetizing member 44 is applied radially inwardly against the radially outer surface of inner body 34 and is located facing rib 40. The radially inner surface of rib 40 forms a stop for permanent magnetizing member 44. Each of the two "V" shaped arms of rib 40 form a stop for permanent magnetizing member 44. Therefore, the permanent magnetizing member 44 comes into contact with the ribs 40 continuous in the two circumferential directions. Similarly, the rib 40 is in direct contact with the two circumferentially continuous permanent magnetizing members 44.

The permanent magnetizing members 44 supported by the base 12 or cap 14 are diametrically opposed pairs.

Referring now to FIG. 5, the interaction between the permanent magnetizing members 44 holding the base 12 and the cap 14 in their relative positions when the case 10 is in the closed position will be generally described. Only the permanent magnetizing member 44 and the cylindrical rings 32, 42 are shown.

The two circumferentially-permanently-permanently magnetized members 44 supported by the base 12 are out of phase. This is because one of the two has a proximal face P with a positive pole and a distal face D with a negative pole, and the other with a proximal face P with a negative pole. , Having a distal surface D, where the poles are positive. Similarly, the two circumferentially-permanently magnetized members 44 supported by the cap 14 are out of phase.

As can be seen in FIG. 5, the base 12 and the cap 14 can occupy two respective positions when the case 10 is in the closed position. These two positions are supported by the base 12, with the negative electrodes of the two permanent magnetizing members 44 supported by the base 12 facing the positive electrodes of the two permanent magnetizing members 44 supported by the cap 14. This corresponds to the configuration in which the positive electrodes of the two permanent magnetizing members 44 face the negative electrodes of the two permanent magnetizing members 44 supported by the cap 14.

Thus, when the case 10 is in the closed position, each of the permanent magnetizing members 44 supported by the base 12 has a surface of opposite polarity to the circumferentially continuous surface of the permanent magnetizing member 44 supported by the base 12. And is positioned to have a surface opposite in polarity to the surface facing the two permanent magnetizing members 44 carried by the cap 14.

Conversely, when the user positions the cap 14 such that the surface of the magnetized member 44 of the base 12 has the same polarity as the opposite surface supported by the cap 14, the repulsive force between the surfaces of the same polarity, The attraction between the faces of opposite polarity causes rotation of the base 12 with respect to the cap 14 about the longitudinal axis (X) so that the base 12 and cap 14 are seated in the relative positions as described above. This rotation is further guided by the radially outer surface of the grip member 17 which engages the radially inner surface of the inner body 34 of the cap 14.

Further, the cylindrical rings 32, 42 of one of the base 12 and cap 14, which in this embodiment are diamagnetic iron, are attracted by the other permanent magnetizing member 44 for increased coercive force.

Here, a method for assembling the case 10 will be described.

The inner body 22 and the outer body 24 of the base 12 are molded. Therefore, the inner body 22 includes the flange 28 and the rib 30. The permanent magnetizing member 44 is then slid along the inner body 22 from the distal end D of the inner body 22, resting on the flange 28 and held radially outward by the ribs 30. The cylindrical ring 32 is then slid from the distal end D of the inner body 22 until it longitudinally rests on the permanent magnetizing member 44 and ribs 30. Adhesive beads are then applied to the radially outer surface of the circumferential perimeter of the inner body 22 whose edges define the proximal opening P. The outer body 24 is then slid from the distal end D of the inner body 22 so that the flange 28 contacts the radially inner surface of the outer body 24. Therefore, the inner body 22 is bonded to the outer body 24.

The same method applies to the assembly of the cap 14. Inner body 34 and outer body 36 are molded. The permanent magnetizing member 44 is then slid along the inner body 34 from the proximal end P of the inner body 34, resting on the flange 38 and held radially outward by the ribs 40. Cylindrical ring 42 is then slid from the proximal end P of inner body 34 until it rests longitudinally on permanent magnetizing member 44 and ribs 40. An adhesive bead is then applied to the radially outer surface of the circumferential perimeter of the inner body 34 whose edges define the distal opening D. The outer body 36 is then slid from the proximal end P of the inner body 34 so that the flange 38 contacts the radially inner surface of the outer body 36. Therefore, the inner body 34 is bonded to the outer body 36.

Of course, many modifications to the invention can be made without departing from the scope of the invention.

The outer shape of the inner body 22, 34 of the base 12 and cap 14 and the respective outer body 24, 36 may be of any type, for example having a polygonal or oval cross section. Furthermore, this cross section may vary along the longitudinal axis (X). For example, the cross section may be polygonal at the proximal end P and oval at the distal end D.

It is possible to use different types of permanent magnetizing members 44.

The shape and placement of the permanent magnetizing member 44 may vary.

It is also possible to mount only two permanent magnetizing members 44 on the base 12 and the cap 14 so as to allow only one relative position of the base 12 and the cap 14 when the case 10 is in the closed position. In this case, the two permanent magnetizing members 44 are preferably diametrically opposed to each other.

The permanent magnetizing member 44 may be adhered to the respective inner body 22, 34 of the base 12 and cap 14 or the respective cylindrical ring 32, 42.

10 cases
12 base
14 cap
16 Pasty substance stick
17 Grip member
22 Inner body
24 outer body
28 Flange
30 ribs
32 cylindrical ring
34 inner body
36 outer body
37 recess
38 Flange
40 ribs
42 Cylindrical ring
44 Permanently magnetized member
D distal end
P proximal end
X longitudinal axis

Claims (15)

A case (10) for a pasty substance stick (16),
A base (12) for receiving the stick (16) of the pasty substance,
Including a cap (14),
The base (12) and the cap (14), respectively,
An inner body (22, 34) of the longitudinal axis (X),
An outer body (24, 36) of the same longitudinal axis (X), wherein the radial dimension is greater than the radial dimension of the inner body (22, 34),
The base (12) and the cap (14) each support at least two permanent magnetizing members (44) positioned between the inner body (22, 34) and the outer body (24, 36),
Each of the permanent magnetizing members (44) comprises an axial stop means (28, 38) carried by the inner body (22, 34) and a longitudinal axis (X) cylindrical ring (32, 42). Axially held between, the cylindrical ring including a diamagnetic or ferromagnetic material and disposed between the outer body (24, 36) and the inner body (22, 34). Cage,
Each of the permanent magnetizing members (44) supported by the base (12) has a surface of opposite polarity to the surface of the continuous permanent magnetizing member supported by the base (12), and the case ( 10) is positioned to have a surface of opposite polarity to the surface facing the two permanent magnetizing members (44) carried by the cap (14) when in the closed position,
The inner body (22, 34) of at least one of the base (12) and the cap (14) has at least one rib (30, 40) for retaining the permanent magnetizing member (44) in a radial position. (10), characterized in that it contains a). The case (10) of claim 1, wherein the axial stop means (28, 38) comprises a flange (28, 38). The case (10) of claim 2, wherein the flanges (28, 38) are at axial end positions on the inner body (22, 34). The case (10) of claim 2 or 3, wherein the ribs (30, 40) extend axially from the flanges (28, 38). The cylindrical ring (32, 42) of at least one of the base (12) and cap (14) is crimped onto the inner body (22, 34). Case (10) described in paragraph. The cylindrical ring (32, 42) of at least one of the base (12) and the cap (14) is adhered to the inner body (22, 34). Case (10) described in. The case (10) according to any one of claims 1 to 6, wherein at least one of the base portion (12) and the cap (14) has a substantially cylindrical shape. The outer body (24, 36) of at least one of the base (12) and the cap (14) has an axial dimension greater than the axial dimension of the inner body (22, 34). Case (10) according to any one of 7. The outer body (24, 36) of at least one of the base (12) and the cap (14) is adhered to the inner body (22, 34), according to any one of claims 1-8. Cases noted (10). The two permanent magnetizing members (44) supported by at least one of the base (12) and the cap (14) are in positions diametrically opposed to each other. Case (10) described in paragraph 1. A case (1) according to any one of claims 1 to 10, wherein the base (12) and the cap (14) each comprise four permanent magnetizing members (44), preferably arranged regularly around the periphery. Ten). The case (10) according to any one of claims 1 to 11, wherein the permanent magnetizing member (44) is a magnet. The case (10) according to any one of claims 1 to 12, wherein the diamagnetic material or the ferromagnetic material contains iron. The case (10) according to any one of claims 1 to 13, wherein the paste-like substance stick (16) is a lipstick stick. A method of assembling the case (10) according to any one of claims 1 to 14,
Molding the inner body (22, 34) and outer body (24, 36) of each of the base (12) and cap (14),
The permanent magnetizing members (44) are slid along their respective inner bodies (22, 34) and rest on the respective flanges (28, 38) of the base (12) and cap (14). Steps,
Sliding the cylindrical ring (32, 42) until it rests longitudinally on the permanent magnetizing member (44) and ribs (30, 40) of the base (12) and cap (14) respectively. ,
At least.

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