WO2007068549A1 - A brush for cleaning tubular elements and a decorative element - Google Patents

A brush for cleaning tubular elements and a decorative element Download PDF

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Publication number
WO2007068549A1
WO2007068549A1 PCT/EP2006/068559 EP2006068559W WO2007068549A1 WO 2007068549 A1 WO2007068549 A1 WO 2007068549A1 EP 2006068559 W EP2006068559 W EP 2006068559W WO 2007068549 A1 WO2007068549 A1 WO 2007068549A1
Authority
WO
WIPO (PCT)
Prior art keywords
elongated element
brush
bristles
fixed
section
Prior art date
Application number
PCT/EP2006/068559
Other languages
French (fr)
Inventor
Andrea Dondi
Roberto Dondi
Original Assignee
Andrea Dondi
Roberto Dondi
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 Andrea Dondi, Roberto Dondi filed Critical Andrea Dondi
Publication of WO2007068549A1 publication Critical patent/WO2007068549A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G33/00—Religious or ritual equipment in dwelling or for general use
    • A47G33/04—Christmas trees 
    • A47G33/06—Artificial Christmas trees
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/06—Brush bodies; Handles integral with brushware in the form of tapes, chains, flexible shafts, springs, mats or the like
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3006—Brushes for cleaning bottles or hollow containers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3013—Brushes for cleaning the inside or the outside of tubes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/40—Other application
    • A46B2200/405—Brush used for purposes that are not conventional brushing, e.g. holder or support

Definitions

  • This invention relates to a brush, particularly for the cleaning of tubular elements and a decorative element obtainable with said brush.
  • brushes are known for the cleaning of tubular elements that comprise a core constituted by a longitudinal element with an elongated shape, on which there is fixed a plurality of groups of bristles, arranged, for example radially, with respect to said longitudinal element, to form a sequence of crowns of bristles distributed along the longitudinal element.
  • the groups of bristles can be arranged on planes that are substantially perpendicular to the axis of the longitudinal element, or, possibly, be tilted with respect to said planes, at a constant, or variable, angle of tilt.
  • An object of the present invention is to provide a brush, particularly for cleaning tubular elements in general, which permits complete removal and extraction of dirt and encrustations present on the internal wall of the tubular element .
  • a brush that comprises an elongated element to which groups of bristles are fixed, characterised in that said groups of bristles are arranged along said elongated element according to a helical configuration.
  • the brush according to the invention in addition to detaching dirt and other encrustations from the internal wall of a tubular element, pushes the detached material to an end of the tubular element, acting substantially as a screw conveyor, thus evacuating the detached material to the outside of the tubular element in a substantially complete manner.
  • the use of a brush according to the invention eliminates the need to resort to additional operations to evacuate from the tubular element the material detached by the brush during the cleaning operation.
  • Figure 1 is a partial side view of a brush according to the invention
  • Figure 2 is a perspective view of a cross section of a brush according to the invention
  • FIGS. 3 and 4 illustrate the manufacture of a brush according to the invention
  • Figures 5 to 10 illustrate some examples of cross section shapes of the elongated element to which are fixed the bristles of a brush according to the invention
  • FIG 11 illustrates a decorative element that is achievable with a brush according to the invention
  • Figure 12 illustrates a further decorative element that is achievable with a brush according to the invention.
  • a brush 1 according to the invention comprises an elongated element 2 to which there are fixed groups of bristles 3.
  • elongated element an element is intended having a dimension much greater than the other two dimensions.
  • the groups of bristles 3 are arranged in such a way as to form a helical configuration.
  • an elongated element 2 for example a rectilinear profiled element having a U- shaped section 6 ( Figure 5) , with a cavity 7 in which there are fixed the bristles 3, aligned along the elongated element 2, as shown in Figure 3.
  • the latter is subjected to torsion around the longitudinal axis thereof, for example by locking it at the ends in two gripping devices and then rotating one of the gripping devices, for example by an angle greater than 360°, preferably a multiple of 360°, whilst the other gripping device is kept stationary, in such a way as to deform plastically the elongated element 2 in a permanent manner, making it take on a helical shape.
  • the bristles 3, which were initially aligned in a rectilinear configuration take on a helical configuration corresponding to that of the longitudinal element 2.
  • the pitch of the helical configuration of the bristles 3 is preferably of the same order of magnitude as the length of the bristles 3.
  • Figure 4 there is shown the elongated element 2, whilst it is subjected to torsion.
  • the elongated element 2 is preferably made of metal, or anyway of a material that is plastically deformable in a permanent manner.
  • Figures 6, 7, 8 there are illustrated some forms of section that can be chosen for the elongated element 2.
  • an elongated element 2a having a U-shaped cross section 6a, with a cavity 7a, in which there are fixed the bristles 3 and a lower stiffening appendage 8.
  • an elongated element 2a to make a brush according to the invention has the advantage that the brush is stiffer and therefore less subject to flexure during use.
  • an elongated element 2b having an H-shaped cross section 6b with two opposite cavities 9 and 10, in which the bristles 3 are fixed.
  • an elongated element 2b to make a brush according to the invention enables a helical configuration with two threads to be obtained for the bristles 3.
  • Figure 8 there is illustrated an elongated element 2c having a cross-shaped cross section 6c with four cavities 11, 12, 13, 14, staggered with respect to one another by about 90°, in which the bristles 3 are fixed.
  • FIG. 9 there is illustrated a further embodiment of an elongated element 2d, constituted by a body 15 in elastic material, for example in plastics, having, for example, a rectangular section inside which a core 16 in plastically deformable material, for example in metal, can be arranged.
  • the bristles 3 can be fixed to a face 15a of the body 15, for example by inserting groups of bristles 3 into holes 17 aligned along said face.
  • the body 15 in elastic material enables the brush 1, obtained by using the elongated element 2d, to have a certain degree of flexibility, which enables the brush to be able to be used also for cleaning tubular elements that have curvilinear portions.
  • FIG 10 there is illustrated an elongated element 2e similar to the elongated element 2d, from which it differs by the fact that it has a core 16a with a circular or elliptical section.
  • the elongated elements 2d and 2e, without core 16, 16a, can be used as supports for the bristles 3, which are inserted into and locked inside the cavities 7, 7a, 9, 10, 11, 12, 13, 14 of the elongated elements 2, 2a, 2b, 2c, before the latter are subjected to torsion, to make a brush 1 according to the invention.
  • a brush according to the invention can also be used as a decorative element Ia, for example to simulate a tree, as shown in Figure 11.
  • filiform elements 3 such as for example bristles can be fitted, or also elements having the shape of portions of belt or ribbon, preferably of reduced width.
  • the filiform, or belt or ribbon-shaped elements fixed to the elongated element 2 can also be of a progressively decreasing length from an end 18 of the elongated element 2 to the opposite end 19, in such a way that the coils of the helical configuration of the elements 3 have a progressively decreasing radius.
  • the length of the filiform elements 3, or belt or ribbon-shaped elements can vary in any way, also in a random manner, between the first end 18 and the second end 19 of the elongated element 2, in order to obtain the most widely varying aesthetic effects possible.
  • the decorative element can be possibly completed by a pedestal 4, and by a possible top decoration 5.
  • FIG 12 there is illustrated a further embodiment of a decorative element Ib according to the invention.
  • the elongated element 2 that constitutes the core of the decorative element Ib is further deformed in such a way as to take on the shape of a cylindrical, or conical, helix whilst the filiform, or ribbon or belt-shaped, elements 3, continue to be arranged in a helical configuration along the elongated element 2.
  • the materials, dimensions and constructional details may be different from those indicated but be technically equivalent thereto, without thereby falling outside the legal scope of the present invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Brushes (AREA)

Abstract

A brush (1) comprising an elongated element (2) to which there is fixed a plurality of bristles (3) fixed to said elongated element (2) according to a helical path. A method for obtaining a brush (1) with bristles (3) arranged according to a helical pattern, comprising the steps of : preparing an elongated element for supporting said bristles (3) ; fixing said bristles (3) to said elongated element (2) in a rectilinear arrangement; subjecting said elongated element (2) to torsion around a longitudinal axis of the elongated element (2), in such a way as to cause permanent plastic deformation of the elongated element. A decorative element (Ia) comprising an elongated element (2) to which there is fixed a plurality of filiform elements (3) , or elements with the shape of a portion of belt or ribbon, said plurality of elements (3) being fixed to said elongated element (2) according to a helical path.

Description

A brush for cleaning tubular elements and a decorative element
This invention relates to a brush, particularly for the cleaning of tubular elements and a decorative element obtainable with said brush.
From the state of the art brushes are known for the cleaning of tubular elements that comprise a core constituted by a longitudinal element with an elongated shape, on which there is fixed a plurality of groups of bristles, arranged, for example radially, with respect to said longitudinal element, to form a sequence of crowns of bristles distributed along the longitudinal element. The groups of bristles can be arranged on planes that are substantially perpendicular to the axis of the longitudinal element, or, possibly, be tilted with respect to said planes, at a constant, or variable, angle of tilt.
These brushes are used to remove dirt, or encrustations in general, from the inner wall of a tubular element. These brushes, whilst being effective for removing dirt or other encrustations from the inner wall of the tubular element, are not able to push out the detached material therefrom, which detached material has to be extracted with other methods that are not always effective for removing from the inside of the tubular element all the material detached by the brush, with the risk of rapid reforming of the encrustations, promoted by said material that is detached by the brush and remains inside the tubular element . An object of the present invention is to provide a brush, particularly for cleaning tubular elements in general, which permits complete removal and extraction of dirt and encrustations present on the internal wall of the tubular element . According to the present invention there is provided a brush that comprises an elongated element to which groups of bristles are fixed, characterised in that said groups of bristles are arranged along said elongated element according to a helical configuration.
Owing to the arrangement of the groups of bristles in a helical configuration, the brush according to the invention in addition to detaching dirt and other encrustations from the internal wall of a tubular element, pushes the detached material to an end of the tubular element, acting substantially as a screw conveyor, thus evacuating the detached material to the outside of the tubular element in a substantially complete manner. The use of a brush according to the invention eliminates the need to resort to additional operations to evacuate from the tubular element the material detached by the brush during the cleaning operation. Some ways of implementing the invention will now by disclosed merely by way of example with reference to the attached drawings, in which:
Figure 1 is a partial side view of a brush according to the invention; Figure 2 is a perspective view of a cross section of a brush according to the invention;
Figures 3 and 4, illustrate the manufacture of a brush according to the invention;
Figures 5 to 10 illustrate some examples of cross section shapes of the elongated element to which are fixed the bristles of a brush according to the invention;
Figure 11 illustrates a decorative element that is achievable with a brush according to the invention; Figure 12 illustrates a further decorative element that is achievable with a brush according to the invention. A brush 1 according to the invention comprises an elongated element 2 to which there are fixed groups of bristles 3. By the term "elongated element" an element is intended having a dimension much greater than the other two dimensions. The groups of bristles 3 are arranged in such a way as to form a helical configuration. To make a brush 1 according to the invention, it is possible to start from an elongated element 2, for example a rectilinear profiled element having a U- shaped section 6 (Figure 5) , with a cavity 7 in which there are fixed the bristles 3, aligned along the elongated element 2, as shown in Figure 3. To obtain the spiral configuration of the bristles 3, after fixing the latter in the cavity 7 of the elongated element 2, the latter is subjected to torsion around the longitudinal axis thereof, for example by locking it at the ends in two gripping devices and then rotating one of the gripping devices, for example by an angle greater than 360°, preferably a multiple of 360°, whilst the other gripping device is kept stationary, in such a way as to deform plastically the elongated element 2 in a permanent manner, making it take on a helical shape. Through this operation, the bristles 3, which were initially aligned in a rectilinear configuration, take on a helical configuration corresponding to that of the longitudinal element 2. The pitch of the helical configuration of the bristles 3 is preferably of the same order of magnitude as the length of the bristles 3. In Figure 4 there is shown the elongated element 2, whilst it is subjected to torsion.
The elongated element 2 is preferably made of metal, or anyway of a material that is plastically deformable in a permanent manner. The plastic deformation of the material of the longitudinal element 2 during torsion thereof, in addition to determining the helical pattern of the bristles, also determines crushing of the cross section of the longitudinal element 2, which ensures better fixing of the bristles to the element. In Figures 6, 7, 8 there are illustrated some forms of section that can be chosen for the elongated element 2. In Figure 6 there is shown an elongated element 2a, having a U-shaped cross section 6a, with a cavity 7a, in which there are fixed the bristles 3 and a lower stiffening appendage 8. The use of an elongated element 2a to make a brush according to the invention has the advantage that the brush is stiffer and therefore less subject to flexure during use. In Figure 7 there is illustrated an elongated element 2b having an H-shaped cross section 6b with two opposite cavities 9 and 10, in which the bristles 3 are fixed.
The use of an elongated element 2b to make a brush according to the invention enables a helical configuration with two threads to be obtained for the bristles 3. In Figure 8 there is illustrated an elongated element 2c having a cross-shaped cross section 6c with four cavities 11, 12, 13, 14, staggered with respect to one another by about 90°, in which the bristles 3 are fixed.
The use of an elongated element 2c to make a brush according to the invention enables a helical configuration with four threads for the bristles 3 to be obtained.
It is naturally possible to choose for the elongated element 2 forms of section other than those illustrated, which nevertheless enable helical configurations with several threads of bristles 3 to be obtained. In Figure 9 there is illustrated a further embodiment of an elongated element 2d, constituted by a body 15 in elastic material, for example in plastics, having, for example, a rectangular section inside which a core 16 in plastically deformable material, for example in metal, can be arranged. The bristles 3 can be fixed to a face 15a of the body 15, for example by inserting groups of bristles 3 into holes 17 aligned along said face.
The body 15 in elastic material enables the brush 1, obtained by using the elongated element 2d, to have a certain degree of flexibility, which enables the brush to be able to be used also for cleaning tubular elements that have curvilinear portions.
In Figure 10 there is illustrated an elongated element 2e similar to the elongated element 2d, from which it differs by the fact that it has a core 16a with a circular or elliptical section. The elongated elements 2d and 2e, without core 16, 16a, can be used as supports for the bristles 3, which are inserted into and locked inside the cavities 7, 7a, 9, 10, 11, 12, 13, 14 of the elongated elements 2, 2a, 2b, 2c, before the latter are subjected to torsion, to make a brush 1 according to the invention.
A brush according to the invention can also be used as a decorative element Ia, for example to simulate a tree, as shown in Figure 11. In this case, to the elongated element 2 filiform elements 3, such as for example bristles can be fitted, or also elements having the shape of portions of belt or ribbon, preferably of reduced width. The filiform, or belt or ribbon-shaped elements fixed to the elongated element 2, can also be of a progressively decreasing length from an end 18 of the elongated element 2 to the opposite end 19, in such a way that the coils of the helical configuration of the elements 3 have a progressively decreasing radius. Alternatively, the length of the filiform elements 3, or belt or ribbon-shaped elements can vary in any way, also in a random manner, between the first end 18 and the second end 19 of the elongated element 2, in order to obtain the most widely varying aesthetic effects possible. The decorative element can be possibly completed by a pedestal 4, and by a possible top decoration 5.
In Figure 12 there is illustrated a further embodiment of a decorative element Ib according to the invention. In this embodiment the elongated element 2 that constitutes the core of the decorative element Ib is further deformed in such a way as to take on the shape of a cylindrical, or conical, helix whilst the filiform, or ribbon or belt-shaped, elements 3, continue to be arranged in a helical configuration along the elongated element 2. In the practical embodiment, the materials, dimensions and constructional details may be different from those indicated but be technically equivalent thereto, without thereby falling outside the legal scope of the present invention.

Claims

1. Brush (1) comprising an elongated element (2; 2a; 2b; 2c; 2d; 2e) to which there is fixed a plurality of bristles (3) , characterised in that said plurality of bristles (3) is fixed to said elongated element (2; 2a; 2b; 2c; 2d; 2e) according to a helical configuration.
2. Brush (1) according to claim 1, wherein said elongated element (2; 2a; 2b; 2c) is made of plastically deformable material.
3. Brush (1) according to claim 1, wherein said elongated element (2d; 2e) is made of elastic material, with a core
(16; 16a) in plastically deformable material.
4. Brush (1) according to any one of claims 1 to 3, wherein said bristles (3) substantially have the same length.
5. Brush (1) according to any one of claims 1 to 3, wherein said bristles have a progressively decreasing length from an end of the elongated element (2) to the other end.
6. Brush (1) according to any preceding claim, wherein the pitch of said helical configuration is of the same order of magnitude as the length of the bristles (3) .
7. Brush according to any one of claims 1, 2, 4, 5, 6, wherein said elongated element (2) has a U-shaped cross section (6) with a cavity (7) .
8. Brush according to any one of claims 1, 2, 4, 5, 6, wherein said elongated element (2a) has a U-shaped cross section (6a), with a cavity (7a) and a lower appendage (8) .
9. Brush according to any one of claims 1, 2, 4, 5, 6, wherein said elongated element (2b) has an H-shaped cross section (6b) with two opposite cavities (9, 10).
10. Brush according to any one of claims 1, 2, 4, 5, 6, wherein said elongated element (2c) has a cross-shaped cross section (6c) with four cavities (11, 12, 13, 14), staggered with respect to one another by about 90°.
11. Brush according to any one of claims 1, 3, 4, 5, 6, wherein said elongated element (2d) has a rectangular cross section (15), said core (16) having a rectangular cross section .
12. Brush according to any one of claims 1, 3, 4, 5, 6, wherein said elongated element (2e) has a rectangular cross section (15), said core (16a) having a circular or elliptical cross section.
13. Brush according to any one of claims 7 to 10, wherein said bristles (3) are fixed to a supporting element (2d; 2e) , in elastic material, that is insertible into said cavity (7; 7a; 9, 10; 11, 12, 13, 14) .
14. Method for obtaining a brush (1) with bristles (3) arranged according to a helical configuration, comprising the steps of: preparing an elongated element (2; 2a; 2b; 2c; 2d; 2e) for supporting said bristles (3) ; fixing said bristles (3) to said elongated element (2; 2a; 2b; 2c; 2d; 2e) in a substantially rectilinear arrangement; subjecting said elongated element (2; 2a; 2b; 2c; 2d; 2e) to torsion around a longitudinal axis of the elongated element (2; 2a; 2b; 2c; 2d; 2e) , in such a way as to cause permanent plastic deformation of the elongated element (2; 2a; 2b; 2c; 2d; 2e) .
15. Method according to claim 14, wherein said torsion is effected with a torsion angle greater than 360°.
16. Method according to claim 15, wherein said torsion angle is equal to a multiple of 360°.
17. Decorative element (1) comprising an elongated element (2) to which there is fixed a plurality of filiform elements (3) , characterised in that said plurality of filiform elements (3) are fixed to said elongated element (2) according to a helical configuration.
18. Decorative element (1) comprising an elongated element (2), characterised in that to said elongated element (2) there is fixed a plurality of elements (3) having the shape of portions of belt or ribbon and in that said plurality of elements (3) is fixed to said elongated element (2) according to a helical configuration.
19. Decorative element (1) according to claim 17, or 18, wherein the length of said elements (3) is variable.
20. Decorative element (1) according to claim 19, wherein the length of said elements (3) progressively decreases from a first end (18) of the elongated element (2) to a second end (19), opposite said first end.
21. Decorative element according to any one of claims 17 to 20, characterised in that it comprises a base (4) and/or a top decoration (5) .
22. Elongated element, according to any one of claims 16 to 21, wherein said elongated element has the shape of a cylindrical, or conical helix.
PCT/EP2006/068559 2005-12-12 2006-11-16 A brush for cleaning tubular elements and a decorative element WO2007068549A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMO20050332 ITMO20050332A1 (en) 2005-12-12 2005-12-12 BRUSH FOR CLEANING TUBULAR ELEMENTS AND DECORATIVE ELEMENT
ITMO2005A000332 2005-12-12

Publications (1)

Publication Number Publication Date
WO2007068549A1 true WO2007068549A1 (en) 2007-06-21

Family

ID=37806632

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/068559 WO2007068549A1 (en) 2005-12-12 2006-11-16 A brush for cleaning tubular elements and a decorative element

Country Status (2)

Country Link
IT (1) ITMO20050332A1 (en)
WO (1) WO2007068549A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1333663A (en) * 1916-04-04 1920-03-16 Electric Vacuum Cleaner Co Brush and method of making same
FR963887A (en) * 1950-07-24
US3513063A (en) * 1967-03-31 1970-05-19 Jack Sloane Artificial christmas tree construction
JPH05305007A (en) * 1991-04-01 1993-11-19 Micro:Kk Brush for cleaning gap between teeth
DE20317291U1 (en) * 2003-11-11 2004-02-12 Öhler, Mario Rotating strip tree for use as a Christmas tree can be made of almost any material such as wood, aluminum, metal or plastic
US20050060825A1 (en) * 2003-09-22 2005-03-24 Stephen Hillenbrand Clothes dryer lint cleaning brush

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963887A (en) * 1950-07-24
US1333663A (en) * 1916-04-04 1920-03-16 Electric Vacuum Cleaner Co Brush and method of making same
US3513063A (en) * 1967-03-31 1970-05-19 Jack Sloane Artificial christmas tree construction
JPH05305007A (en) * 1991-04-01 1993-11-19 Micro:Kk Brush for cleaning gap between teeth
US20050060825A1 (en) * 2003-09-22 2005-03-24 Stephen Hillenbrand Clothes dryer lint cleaning brush
DE20317291U1 (en) * 2003-11-11 2004-02-12 Öhler, Mario Rotating strip tree for use as a Christmas tree can be made of almost any material such as wood, aluminum, metal or plastic

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