WO2008149397A1 - Sealant applicator for a sealant cartridge - Google Patents

Sealant applicator for a sealant cartridge Download PDF

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Publication number
WO2008149397A1
WO2008149397A1 PCT/IT2008/000365 IT2008000365W WO2008149397A1 WO 2008149397 A1 WO2008149397 A1 WO 2008149397A1 IT 2008000365 W IT2008000365 W IT 2008000365W WO 2008149397 A1 WO2008149397 A1 WO 2008149397A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealant
nozzle
covering member
tip end
cartridge
Prior art date
Application number
PCT/IT2008/000365
Other languages
French (fr)
Inventor
Roberto De Musso
Original Assignee
Roberto De Musso
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 Roberto De Musso filed Critical Roberto De Musso
Publication of WO2008149397A1 publication Critical patent/WO2008149397A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like

Definitions

  • Sealant that is fluid, means any product applicable by extrusion from a sealant cartridge to surfaces to be sealed, but also only to be connected or generally joined to each other. The latter is the case of adhesives, cements and other products that could be the same drawback as described below.
  • such an applicator which is made of plastics, is simply a cone-shaped nozzle having a tip end and an opposite end that is provided with an internally threaded sleeve.
  • the nozzle can be screwed on a counter-threaded cylindrical projection in a front end of a sealant cartridge containing sealant to be extruded after transversally cutting or boring said cylindrical projection in order to allow the sealant in the cartridge to be subsequently discharged.
  • a user reduces also the length of the nozzle on its side of tip end so to obtain a determined nozzle section correspondent to a sealant seam of a desired width to be applied to portions to be sealed.
  • the sealant cartridge is mounted on a sealant gun having a piston acting on a movable rear wall of the sealant cartridge, the rear wall being opposite to the cylindrical projection with nozzle.
  • the piston gun can be of a manual or powered kind.
  • the existing nozzles work very well if the sealant in the cartridge is completely used before hardening due to exposure to the air.
  • sealant in a nozzle has hardened after a period during which the sealant cartridge is not used, i.e. without any extrusion of sealant, hardened parts could obstruct a subsequent extrusion.
  • this replacement operation must be performed very often, i.e. every time the sealant cartridge is used again after being stored for a certain period. Further, such a replacement operation can be successfully terminated if the manufacturer provides several spare nozzles, instead of one alone as it occurs today for each sealant cartridge. Furthermore the replacement operation of the nozzle is not comfortable and implies waste of time.
  • the invention aims to overcome the drawbacks above described.
  • an object of the present invention is to allow a sealant cartridge to work continuously, substantially without a break, to the point of complete exhaustion.
  • Another object of the invention is to allow a sealant cartridge to work continuously with simple cleaning operations that are not troublesome or do not imply waste of time.
  • the invention provides a sealant applicator for a sealant cartridge, comprising a nozzle having a cone-shaped nozzle portion being tapered toward a tip end, and opposite to this tip end, a sleeve nozzle portion, which is internally threaded to be screwed on a counter-threaded outlet nipple in a front end of a sealant cartridge to allow the extrusion of the sealant contained inside the sealant cartridge, said cone- shaped nozzle portion having at least a slit capable of widening to allow a tool or other pointed element to be put in the nozzle in order to remove hardened sealant, the nozzle being surrounded closely by a covering member that can removably engage the nozzle and is such that the extrusion of the sealant outward is not obstructed.
  • Figure 1 shows in an exploded side view a first embodiment of a sealant applicator for a sealant cartridge according to the invention, the sealant cartridge being depicted only partially;
  • Figure 2 shows in an exploded side view a second embodiment of a sealant applicator for a sealant cartridge according to the invention similarly to Figure I 5 but with a partially cross-sectioned nozzle.
  • Figure 1 is an exploded side view of a first embodiment of the sealant applicator
  • a sealant cartridge is indicated as 1
  • a nozzle and a relevant covering member for the sealant applicator according to the invention are denoted as 2 and 3, respectively.
  • the sealant cartridge 1 is shown only partially in its end where it is traditionally provided with a threaded nipple 4.
  • the threaded nipple 4 is cut transversally or bored before applying the nozzle 2.
  • the nozzle 2 of the sealant applicator comprises, analogously to a conventional nozzle, a substantially cone-shaped nozzle portion 5 that is tapered toward a tip end 6.
  • the nozzle 2 has a sleeve nozzle portion 7 being opposite to the tip end 6.
  • the sleeve nozzle portion 7 is internally threaded (as shown by a dash line) in order to be screwed on the threaded nipple 4 of the sealant cartridge.
  • the cone-shaped nozzle portion 5 has a slit 8.
  • the slit 8 extends along a generating line of a conical surface in the cone-shaped nozzle portion 5 to the end tip 6.
  • the nozzle 2 is made of a suitable material adapted to allow opposite edges defining the slit 8 to be widened, by acting by means of a tool or other pointed element.
  • the slit 8 is shown wide, but it is evident that it can be limited only to a cut that is made along the generating line or in case along a different direction so that the nozzle edges are allowed to be opened out.
  • the slit that is shown as affecting only the conical portion of the nozzle 2, could alternatively extend to the sleeve portion 7 of the same nozzle.
  • the covering member 3 is designed to surround closely and engage removably the nozzle 2.
  • the covering member 3 is preferably shaped as the nozzle 2 with dimensions being lightly larger than the nozzle 2, so that the covering member 3 enclose the nozzle 2. Therefore, the covering member 3 comprises a covering member portion 9 that is hollow, cone-shaped and tapered toward an opened tip end 10.
  • a covering member sleeve portion 11 is provided, which can be coupled by a push fit with the sleeve portion 7 of the nozzle 2 so that the covering member 3 can engage by friction the nozzle 2 and be retained without release from the same.
  • the tip end 10 of the covering member 3 is cut obliquely with respect to its longitudinal axis so that an elliptical profile of the tip end 10 is obtained, for a reason that will be clear in the following of the description.
  • Both the nozzle 2 and the covering member 3 are made of plastics. As above mentioned, it is suitable that the construction of the nozzle 2 can be elastically deformed, and the construction of the covering member 3 is sufficiently rigid, because the operation of the sealant applicator according to the invention is as follows.
  • the sealant cartridge 1 On its first use the sealant cartridge 1 is traditionally opened by boring or cutting the threaded nipple 4. On the threaded nipple 4 the nozzle 2 is screwed after cutting in case its tip end 6 in order to obtain the requested flow rate of extruded sealant.
  • the covering member 3 of the sealant applicator according the invention whose tip end 10 is preferably cut obliquely to obtain the desired flow rate, is put with push fit on the nozzle 2.
  • the sealant cartridge 1 with the nozzle 2 and the covering member 3 can be put away without any particular measure.
  • the sealant cartridge is used again, if part of hardened sealant clogs the nozzle obstructing the sealant extrusion, a user simply removes the covering member 3. This operation is permitted by the fact that the slit 8 is very narrow, and the sealant did not leak through it in such an amount to permanently join the nozzle 2 with the covering member 3.
  • the fact must be considered that the nozzle 2 and the covering member 3 are normally made of anti-adherent material for the same sealant.
  • the covering member 3 as a removing tool, the user opens out the edges defining the slit 8 of the nozzle 2 by means of the tip end 10 of the same covering member 3 and thus removes the part of hardened sealant that causes the obstruction. Then, the user applies again the covering member 3 on the nozzle 2 and keeps on extruding the sealant by using a gun (not shown).
  • FIG 2 a second embodiment of the sealant applicator according to the invention is shown therein in a similar manner to Figure I 5 and equal or similar parts to those of the first embodiment are indicated with equal or similar numbers.
  • the nozzle 20 has a tapered portion 50 ending in a tip end 60 and, opposite to the tip end 60, a sleeve portion 70.
  • the sleeve portion 70 is partially cross-sectioned to show an internal thread 12 and an external thread 13.
  • the external thread 13 is absent in the existing nozzles for sealant cartridges.
  • the nozzle 20 has a slit or cut 80 along a generating line of the tapered portion 50 of the nozzle 20.
  • the slit 80 could be limited only to a cut that would be represented only by a line and can extend also to the sleeve portion 70, as well as for all the length of the nozzle 20.
  • the covering member 30 of the sealant applicator according to this second embodiment of the invention comprises a covering member portion 90 that is cone- shaped and tapered toward an opened tip end 100. Opposite to the opened tip end 100, a sleeve portion 101 is provided, which has an internal thread or counter-thread 102 correspondent to the external thread 13 of the sleeve nozzle portion 70.
  • the covering member 30 can be screwed on the nozzle 20 for their mutual coupling.
  • an added cut to the nozzle can be made also symmetrically opposite to that depicted in the figures.
  • the covering member can be provided as not extending for all the length of the nozzle, simply limiting to a front part thereof.
  • the covering member can be of any shape.
  • the covering member tip can be differently made, for example circular, provided that the extrusion of the sealant from the sealant cartridge is not obstructed.

Abstract

A sealant applicator for a sealant cartridge (1) comprises a cone-shaped nozzle portion (5) being tapered toward a tip end (6), and opposite to this tip end (6), a sleeve nozzle portion (7), which is internally threaded to be screwed on a counter-threaded outlet nipple (4) in a front end of the sealant cartridge (1) to allow the extrusion of the sealant contained inside the sealant cartridge (1). The cone-shaped nozzle portion (5) has at least a slit (8) capable of widening to allow a tool or other pointed element to be put in the nozzle (2) in order to remove hardened sealant, the nozzle (2) being surrounded closely by a covering member (3) that can removably engage the nozzle (2) and is such that the extrusion of the sealant outward is not obstructed.

Description

SEALANT APPLICATOR FOR A SEALANT CARTRIDGE
TECHNICAL FIELD
This invention relates to a sealant applicator for a sealant cartridge. Sealant, that is fluid, means any product applicable by extrusion from a sealant cartridge to surfaces to be sealed, but also only to be connected or generally joined to each other. The latter is the case of adhesives, cements and other products that could be the same drawback as described below. BACKGROUND ART
Generally such an applicator, which is made of plastics, is simply a cone-shaped nozzle having a tip end and an opposite end that is provided with an internally threaded sleeve. In such a way, the nozzle can be screwed on a counter-threaded cylindrical projection in a front end of a sealant cartridge containing sealant to be extruded after transversally cutting or boring said cylindrical projection in order to allow the sealant in the cartridge to be subsequently discharged. Typically, a user reduces also the length of the nozzle on its side of tip end so to obtain a determined nozzle section correspondent to a sealant seam of a desired width to be applied to portions to be sealed.
The sealant cartridge is mounted on a sealant gun having a piston acting on a movable rear wall of the sealant cartridge, the rear wall being opposite to the cylindrical projection with nozzle. The piston gun can be of a manual or powered kind.
As known to the skilled in the art, the existing nozzles work very well if the sealant in the cartridge is completely used before hardening due to exposure to the air.
In fact, if sealant in a nozzle has hardened after a period during which the sealant cartridge is not used, i.e. without any extrusion of sealant, hardened parts could obstruct a subsequent extrusion. IT2008/000365
This problem was faced in the past by trying to limit an exposure to the air of the nozzle having sealant inside. Some users, for example, apply makeshift caps to a nozzle opening, and some manufacturers of sealant cartridges provide nozzles having a screw cap. However, even if with some delay, the hardening of the sealant occurs anyway, starting from the sealant in the nozzle. For this reason, once at least a portion of sealant in the nozzle has hardened and obstructs the sealant flow, the user has no alternative, in order to consume all the contents of the sealant cartridge: he/she has to try to remove the clogged nozzle, replace it with another one and continue the sealant extrusion with the gun.
It should be understood that this replacement operation must be performed very often, i.e. every time the sealant cartridge is used again after being stored for a certain period. Further, such a replacement operation can be successfully terminated if the manufacturer provides several spare nozzles, instead of one alone as it occurs today for each sealant cartridge. Furthermore the replacement operation of the nozzle is not comfortable and implies waste of time.
The invention aims to overcome the drawbacks above described.
In particular, an object of the present invention is to allow a sealant cartridge to work continuously, substantially without a break, to the point of complete exhaustion. Another object of the invention is to allow a sealant cartridge to work continuously with simple cleaning operations that are not troublesome or do not imply waste of time. DISCLOSURE OF THE INVENTION
Therefore, the invention provides a sealant applicator for a sealant cartridge, comprising a nozzle having a cone-shaped nozzle portion being tapered toward a tip end, and opposite to this tip end, a sleeve nozzle portion, which is internally threaded to be screwed on a counter-threaded outlet nipple in a front end of a sealant cartridge to allow the extrusion of the sealant contained inside the sealant cartridge, said cone- shaped nozzle portion having at least a slit capable of widening to allow a tool or other pointed element to be put in the nozzle in order to remove hardened sealant, the nozzle being surrounded closely by a covering member that can removably engage the nozzle and is such that the extrusion of the sealant outward is not obstructed. BRIEF DESCRIPTION OF DRAWINGS
The present invention will be described by referring to its preferred embodiments being considered together with the accompanying drawings, in which
Figure 1 shows in an exploded side view a first embodiment of a sealant applicator for a sealant cartridge according to the invention, the sealant cartridge being depicted only partially; and
Figure 2 shows in an exploded side view a second embodiment of a sealant applicator for a sealant cartridge according to the invention similarly to Figure I5 but with a partially cross-sectioned nozzle. DESCRIPTION OF THE EMBODIMENTS OF THE INVENTION
Referring to the drawings, in Figure 1, which is an exploded side view of a first embodiment of the sealant applicator, a sealant cartridge is indicated as 1, and a nozzle and a relevant covering member for the sealant applicator according to the invention are denoted as 2 and 3, respectively.
The sealant cartridge 1 is shown only partially in its end where it is traditionally provided with a threaded nipple 4. When the sealant cartridge is used for the first time, the threaded nipple 4 is cut transversally or bored before applying the nozzle 2.
The nozzle 2 of the sealant applicator according to the invention comprises, analogously to a conventional nozzle, a substantially cone-shaped nozzle portion 5 that is tapered toward a tip end 6. The nozzle 2 has a sleeve nozzle portion 7 being opposite to the tip end 6. Conventionally, the sleeve nozzle portion 7 is internally threaded (as shown by a dash line) in order to be screwed on the threaded nipple 4 of the sealant cartridge.
In the sealant applicator according to the invention, the cone-shaped nozzle portion 5 has a slit 8. The slit 8 extends along a generating line of a conical surface in the cone-shaped nozzle portion 5 to the end tip 6. Further, the nozzle 2 is made of a suitable material adapted to allow opposite edges defining the slit 8 to be widened, by acting by means of a tool or other pointed element. For clarity's sake, the slit 8 is shown wide, but it is evident that it can be limited only to a cut that is made along the generating line or in case along a different direction so that the nozzle edges are allowed to be opened out. Further., the slit, that is shown as affecting only the conical portion of the nozzle 2, could alternatively extend to the sleeve portion 7 of the same nozzle.
The covering member 3 is designed to surround closely and engage removably the nozzle 2. hi the first embodiment of the invention, the covering member 3 is preferably shaped as the nozzle 2 with dimensions being lightly larger than the nozzle 2, so that the covering member 3 enclose the nozzle 2. Therefore, the covering member 3 comprises a covering member portion 9 that is hollow, cone-shaped and tapered toward an opened tip end 10. Opposite to the opened tip end 10, a covering member sleeve portion 11 is provided, which can be coupled by a push fit with the sleeve portion 7 of the nozzle 2 so that the covering member 3 can engage by friction the nozzle 2 and be retained without release from the same.
Preferably, the tip end 10 of the covering member 3 is cut obliquely with respect to its longitudinal axis so that an elliptical profile of the tip end 10 is obtained, for a reason that will be clear in the following of the description.
Both the nozzle 2 and the covering member 3 are made of plastics. As above mentioned, it is suitable that the construction of the nozzle 2 can be elastically deformed, and the construction of the covering member 3 is sufficiently rigid, because the operation of the sealant applicator according to the invention is as follows.
On its first use the sealant cartridge 1 is traditionally opened by boring or cutting the threaded nipple 4. On the threaded nipple 4 the nozzle 2 is screwed after cutting in case its tip end 6 in order to obtain the requested flow rate of extruded sealant. The covering member 3 of the sealant applicator according the invention, whose tip end 10 is preferably cut obliquely to obtain the desired flow rate, is put with push fit on the nozzle 2.
After its first use being terminated, the sealant cartridge 1 with the nozzle 2 and the covering member 3 can be put away without any particular measure. When the sealant cartridge is used again, if part of hardened sealant clogs the nozzle obstructing the sealant extrusion, a user simply removes the covering member 3. This operation is permitted by the fact that the slit 8 is very narrow, and the sealant did not leak through it in such an amount to permanently join the nozzle 2 with the covering member 3. However, the fact must be considered that the nozzle 2 and the covering member 3 are normally made of anti-adherent material for the same sealant.
If desired, by using the covering member 3 as a removing tool, the user opens out the edges defining the slit 8 of the nozzle 2 by means of the tip end 10 of the same covering member 3 and thus removes the part of hardened sealant that causes the obstruction. Then, the user applies again the covering member 3 on the nozzle 2 and keeps on extruding the sealant by using a gun (not shown).
Referring to Figure 2, a second embodiment of the sealant applicator according to the invention is shown therein in a similar manner to Figure I5 and equal or similar parts to those of the first embodiment are indicated with equal or similar numbers.
The nozzle 20 has a tapered portion 50 ending in a tip end 60 and, opposite to the tip end 60, a sleeve portion 70. The sleeve portion 70 is partially cross-sectioned to show an internal thread 12 and an external thread 13. The external thread 13 is absent in the existing nozzles for sealant cartridges. In the same way as the first embodiment, the nozzle 20 has a slit or cut 80 along a generating line of the tapered portion 50 of the nozzle 20. As before said for the first embodiment, the slit 80 could be limited only to a cut that would be represented only by a line and can extend also to the sleeve portion 70, as well as for all the length of the nozzle 20.
The covering member 30 of the sealant applicator according to this second embodiment of the invention comprises a covering member portion 90 that is cone- shaped and tapered toward an opened tip end 100. Opposite to the opened tip end 100, a sleeve portion 101 is provided, which has an internal thread or counter-thread 102 correspondent to the external thread 13 of the sleeve nozzle portion 70.
Thus, the covering member 30 can be screwed on the nozzle 20 for their mutual coupling.
The operation of the second embodiment of the invention is the same of that of the first embodiment, and then a description thereof is omitted.
Many modifications can be made by the skilled in the art to the above described embodiments. For example, an added cut to the nozzle can be made also symmetrically opposite to that depicted in the figures. Further, the covering member can be provided as not extending for all the length of the nozzle, simply limiting to a front part thereof.
It should be understood that the covering member can be of any shape. Thus, also the covering member tip can be differently made, for example circular, provided that the extrusion of the sealant from the sealant cartridge is not obstructed. These and other changes and modifications can be made without departing from the scope of the invention as defined by the enclosed claims.

Claims

CLAIM
1. A sealant applicator for a sealant cartridge, comprising a nozzle (2) having a cone-shaped nozzle portion (5) being tapered toward a tip end (6), and opposite to this tip end (6), a sleeve nozzle portion (7), which is internally threaded to be screwed on a counter-threaded outlet nipple (4) in a front end of a sealant cartridge (1) to allow the extrusion of the sealant contained inside the sealant cartridge (1), characterised in that said cone-shaped nozzle portion (5, 50) has at least a slit (8, 80) capable of widening to allow a tool or other pointed element to be put in the nozzle (2, 20) in order to remove hardened sealant, the nozzle (2, 20) being surrounded closely by a covering member (3, 30) that can removably engage the nozzle (2, 20) and is such that the extrusion of the sealant outward is not obstructed.
2. The sealant applicator according to claim 1, wherein said at least a slit (8, 80) is obtained by a cut extending along a generating line of conical surface in the cone- shaped nozzle portion (5, 50) to the tip end (6, 60).
3. The sealant applicator according to claim 1, wherein the covering member (3) comprises a covering member cone-shaped portion (9) being tapered toward an opened tip end (10), and opposite to the opened tip end (10), a covering member sleeve portion (11) that can be inserted and retained on the sleeve portion (7) of said nozzle (2) so that said covering member (3) can be engage by friction on said nozzle (2).
4. • The sealant applicator according to claim I5 wherein further said nozzle (20) has on the sleeve nozzle portion (70) an external thread (13), said covering member (30) comprises a covering member cone-shaped portion (90) being tapered toward an opened tip end (100), and opposite to the opened tip end (100), a covering member sleeve portion (101) that is provided with an internal thread (102) correspondent to the external thread (13) of the sleeve nozzle portion (70), so that the covering member (30) can be screwed on said nozzle (20).
5. The sealant applicator according to claim 1, wherein said covering member (3, 30) has a tip end (10, 100) that is obtained by an oblique cut with respect to its axis.
6. The sealant applicator according to claim 1, wherein said nozzle (2, 20) is made of a plastic material that is more flexible of the plastic material of the covering member (3, 30).
PCT/IT2008/000365 2007-06-04 2008-06-03 Sealant applicator for a sealant cartridge WO2008149397A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM2007A000307 2007-06-04
IT000307A ITRM20070307A1 (en) 2007-06-04 2007-06-04 SEALANT APPLICATOR FOR CARTRIDGE

Publications (1)

Publication Number Publication Date
WO2008149397A1 true WO2008149397A1 (en) 2008-12-11

Family

ID=39493122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2008/000365 WO2008149397A1 (en) 2007-06-04 2008-06-03 Sealant applicator for a sealant cartridge

Country Status (2)

Country Link
IT (1) ITRM20070307A1 (en)
WO (1) WO2008149397A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10277471A (en) * 1997-04-04 1998-10-20 Tsutomu Kohiyama Caulking gun
WO1998052696A1 (en) * 1997-05-21 1998-11-26 Brian Tancheff Dispenser outlet
DE20206461U1 (en) * 2002-04-24 2002-06-27 Geiselhart Albrecht Klebstoffaustragdüse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10277471A (en) * 1997-04-04 1998-10-20 Tsutomu Kohiyama Caulking gun
WO1998052696A1 (en) * 1997-05-21 1998-11-26 Brian Tancheff Dispenser outlet
DE20206461U1 (en) * 2002-04-24 2002-06-27 Geiselhart Albrecht Klebstoffaustragdüse

Also Published As

Publication number Publication date
ITRM20070307A1 (en) 2008-12-05

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