WO2021201743A1 - Pinceau avec un collet de cassette avec des parties s'étendant vers l'intérieur - Google Patents

Pinceau avec un collet de cassette avec des parties s'étendant vers l'intérieur Download PDF

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Publication number
WO2021201743A1
WO2021201743A1 PCT/SE2021/050247 SE2021050247W WO2021201743A1 WO 2021201743 A1 WO2021201743 A1 WO 2021201743A1 SE 2021050247 W SE2021050247 W SE 2021050247W WO 2021201743 A1 WO2021201743 A1 WO 2021201743A1
Authority
WO
WIPO (PCT)
Prior art keywords
bundle
recess
bristles
paint brush
circumference
Prior art date
Application number
PCT/SE2021/050247
Other languages
English (en)
Inventor
Patrik SALIM
Original Assignee
Orkla House Care Ab
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 Orkla House Care Ab filed Critical Orkla House Care Ab
Priority to EP21779302.5A priority Critical patent/EP4125494A4/fr
Publication of WO2021201743A1 publication Critical patent/WO2021201743A1/fr

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Classifications

    • 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
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A46B3/10—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like
    • A46B3/12—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like specially adapted for paint-brushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/08—Supports or guides for bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/08—Supports or guides for bristles
    • A46B9/12—Non-adjustable supports
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/20—Brushes for applying products to surfaces in general
    • A46B2200/202—Applicator paint brush
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers

Definitions

  • the present disclosure relates to a paint brush. More specifically, the disclosure relates to a paint brush as defined in the introductory parts of and claim 1.
  • the conventional paint brush has a handle and a bristle head/bristle pack including a bundle of bristles, which is able to hold therein a paint by adhesion as well as capillary forces.
  • a parameter for a paint brush is the paint pick-up and the paint release, i.e. the amount of paint that the paint brush pick-ups when it is dipped in paint and the amount of paint that the paint brush is able to release to the surface to be painted.
  • a large paint pick-up is often a prerequisite for a god paint release.
  • the inventors have realized that a paint brush picks up paint both by adhesion/wetting of the paint to the bristles and by capillary forces that is created between bristles and that sucks the paint into the bundle of bristles.
  • the amount of paint that could be picked up by the tip of the bundle of bristles is limited by the laws of physics, as an example the capillary forces in relation to the gravity forces.
  • the inventors have realized that the paint brush not only picks up paint from the tip of the bundle of bristles, but also from the sides of the bundle of bristles, also above the distance from the tip at which the capillary forces could suck paint into the bundle of bristles.
  • the sides of the bundle of bristles picks up paint by capillary forces and by wetting when paint makes contact with the bundle of bristles.
  • a paint brush comprising a handle, a cassette collar and a bundle of bristles comprising a plurality of bristles
  • the cassette collar is connected to the handle
  • the cassette collar comprises a wall defining a recess and one or more inward extending parts connected to the wall and positioned in the recess
  • the bundle of bristles comprises a top bundle part, a bottom bundle part and a middle bundle part positioned between the top and bottom bundle parts, the plurality of bristles being arranged such that they extend from the bottom bundle part to the top bundle part
  • the bundle of bristles is connected to the cassette collar, at least by that at least a portion of the bottom bundle part is arranged in the recess
  • the inward extending parts extend from the wall and protrude into the bottom bundle part arranged in the recess such that a circumference of the middle bundle part, which is not in direct contact with the inward extending parts, is increased to be at least 10% larger than a circumference of the reces
  • the area that is exposed to paint when the paint brush is dipped in paint is increased.
  • the area being the circumference times the length of the middle bundle part.
  • the increased area increases the contact area that is exposed to paint when the paint brush is dipped in paint and thereby increases the possible paint pick up by the paint brush.
  • the increased area increases the ability of the middle bundle part to pick up paint by capillary forces, wetting and direct contact with the paint.
  • the paint is picked up from the sides of the bundle of bristles in addition to the paint that is picked up from the tip of the paint brush.
  • the inward extending parts protrude into the bundle of bristles such that they effect the circumference of the bottom bundle part and the middle bundle part that is not in direct contact with the inward extending parts.
  • the middle bundle part also picks up paint by paint entering into voids at the surface of the middle bundle part.
  • a 10% increase of circumference of the middle bundle part which is a relatively large increase in circumference (due to the resulting undulating circumference of the middle bundle part), means that a larger pick-up area is created.
  • the inventive paint brush achieves an improved paint pick-up capability due to this increase in circumference.
  • the inward extending parts and the wall are integral parts.
  • the wall and the inward extending parts could be made in a robust and efficient way.
  • the inward extending parts are fused or adhesively connected to the wall.
  • the inward extending parts extends from a bottom edge to a top edge of the wall, wherein the top edge of the wall defines the opening of the recess.
  • the recess is a through going hole.
  • the inward extending parts having a cross sectional shape with a base and a protruding surface, wherein a width of the base is smaller than a total length of the protruding surface.
  • the inward extending parts has a height of at least 1,5 mm, preferably at least 2 mm, extending from the wall into the bottom bundle part.
  • the inward extending parts extend between 1,5 mm to 5 mm into the bottom bundle part in relation to the wall.
  • the inward extending parts has a triangular, square and/or wavy cross sectional shape.
  • the circumference of the middle bundle part is at least 20% larger than the circumference of the recess. This provides an even larger pick-up area.
  • the circumference of the middle bundle part is between 10-60% larger than the circumference of the recess, preferably between 20-60% larger than the circumference of the recess.
  • the inwards extending parts covers at least half the circumference of the wall.
  • the inwards extending parts covers at least 75% of the circumference of the wall.
  • the inwards extending parts covers the wall.
  • the middle bundle part is located at a distance of at least 1 cm from the cassette collar.
  • the middle bundle part is located at a distance of at least 2 cm from a top end of the bundle of bristles.
  • the length of the middle bundle part is at least half the length of the bundle of bristles.
  • the length of the bottom bundle part corresponds to the depth of the recess and the length of the top bundle part corresponds to the length to which the bundle of bristles can pick up paint from the tip of the bundle of bristles.
  • a depth of the recess is at least 7mm.
  • the depth of the recess is between 7mm - 15mm.
  • a depth of the inward extending parts corresponds to the depth of the recess.
  • the wall of the recess is parallel with the plurality of bristles in the bundle of bristles.
  • the cassette collar is arranged to be mechanically connected to the brush handle.
  • the cassette collar and/or the plurality of bristles are made from a thermoplastic polymer.
  • the paint brush comprises an insert at least connected to the bundle of bristle.
  • the paint brush comprises a ferrule configured to connect the cassette collar to the handle.
  • the inward extending parts protrudes into the bundle of bristles in a direction that is perpendicular to the extension of the bristles in the bundle of bristles.
  • the wall and the inward extending parts defines a second recess that is a sub-part of the recess, wherein the circumference of the second recess is larger than the circumference of the recess.
  • the second recess is the opening that the bottom bundle part is arranged in.
  • the cross sectional shape of the second recess substantially corresponds to the cross sectional shape of the middle bundle part.
  • the cross sectional shape of the second recess has a gear shape.
  • the cross sectional shape of the second recess has the shape of a circular or elliptical gear.
  • paint pick-up is to be interpreted as the volume or weight of paint that the paint brush is able to pick-up when it is dipped in paint and to hold in the bundle of bristles.
  • Figure 1 shows a side view of a paint brush according to an embodiment of the present disclosure.
  • Figure 2 shows a cross sectional view of a paint brush according to an embodiment of the present disclosure.
  • Figure 3 shows a cross sectional view of a paint brush according to an embodiment of the present disclosure.
  • Figure 4 shows a side view of a bundle of bristles according to an embodiment of the present disclosure.
  • Figure 5 shows a side view of an inward extending part of a cassette collar according to an embodiment of the present disclosure.
  • Figure 6 shows a perspective view of an inward extending part of a cassette collar according to an embodiment of the present disclosure.
  • Figure 7 shows a cross sectional view of a wall of a cassette collar according to an embodiment of the present disclosure.
  • Figure 8 shows a cross sectional view of a cassette collar according to an embodiment of the present disclosure.
  • Figure 9 shows a cross sectional view of a cassette collar according to an embodiment of the present disclosure.
  • Figure 10 shows a cross sectional view of a cassette collar according to an embodiment of the present disclosure.
  • Figure 11 shows a perspective view of a wall of a cassette collar according to an embodiment of the present disclosure.
  • Figure 12 shows a perspective view of a cassette collar according to an embodiment of the present disclosure.
  • Figure 13 shows a side view of an inward extending part of a cassette collar according to an embodiment of the present disclosure.
  • Figure 14 shows a side view of an inward extending part of a cassette collar according to an embodiment of the present disclosure.
  • Figure 15 shows a side view of an inward extending part of a cassette collar according to an embodiment of the present disclosure.
  • Figure 16 shows a side view of an inward extending part of a cassette collar according to an embodiment of the present disclosure.
  • Figure 17 shows a cross sectional view of a paint brush according to an embodiment of the present disclosure.
  • Figure 18 shows a cross sectional view along the line C-C in figure 17 of a top bundle part of the bundle of bristles according to an embodiment of the present disclosure.
  • Figure 19 shows a cross sectional view along the line B-B in figure 17 of a middle bundle part of the bundle of bristles according to an embodiment of the present disclosure.
  • Figure 20 shows a cross sectional view along the line A-A in figure 17 of a bottom bundle part of the bundle of bristles arranged in a cassette collar according to an embodiment of the present disclosure.
  • FIG. 1 shows a paint brush 1.
  • the paint brush comprises a handle 2, a cassette collar 3 and a bundle of bristles 4.
  • the handle 2 as such is only partly disclosed and the actual size and shape of the handle 2 could be adapted to the specific type of paint brush.
  • the bundle of bristles 4 comprises a plurality of bristles 5.
  • the cassette collar 3 is connected to the handle 2. According to an aspect the cassette collar 3 is connected directly to the handle 2, as is disclosed in figure 2.
  • the bundle of bristles 4 comprises a top bundle part 41, a bottom bundle part 43 and a middle bundle part 42 positioned between the top and bottom bundle parts 41,43, as is disclosed in figure 4.
  • the plurality of bristles 5 being arranged such that they extend from the bottom bundle part 43 to the top bundle part 41.
  • each bristles 5 in the bundle of bristle comprises a part that is positioned in each of the bundle parts 41, 42, 43.
  • the paint brush 1 comprises a ferrule 7.
  • the cassette collar 3 is connected directly to the ferrule 7 and the ferrule 7 is, in turn, directly connected to the handle 2, as is disclosed in figure 3.
  • the cassette collar 3 is connected directly to the ferrule 7 and the handle 2.
  • the ferrule 7 is configured to connect the cassette collar 3 to the handle 2.
  • the cassette collar 3 is a ferrule 7.
  • the cassette collar 3 comprises a wall 31 and one or more inward extending parts 33, as is disclosed in figure 8, 9, 10 and 12.
  • the wall 31 defines a recess 32.
  • the wall 31 encircles or enclose an area and thereby defines the recess 32, as is disclosed in figure 11.
  • the inward extending parts 33 are connected to the wall 31 and positioned in the recess 32.
  • inward extending parts 33 and the wall 31 are integral parts, as is disclosed in figure 9.
  • the inward extending parts 33 are fused or adhesively connected to the wall 31, as is disclosed in figure 9 and 10.
  • the recess 32 is a through going hole 32.
  • the inwards extending parts 33 covers at least half the circumference of the wall 31.
  • the inwards extending parts 33 covers at least 75% of the circumference of the wall 31.
  • the inwards extending parts 33 covers the wall 31.
  • the cassette collar 3 comprises inward extending parts 33a having a first cross sectional shape and size and/or inward extending parts 33b having a second cross sectional shape and/or size, as is discloses in figure 10.
  • the inward extending parts 33 comprises a base 331 having a width W.
  • the inward extending parts 33 has a height H, the height being the distance from the base 331 to a top of the inward extending parts 33.
  • the inward extending parts 33 comprises a protruding surface 332 with a depth D2, as is disclosed in figure 6, and a total length L.
  • the total length L of the protruding surface 332 is the sum of the lengths LI and L2 of the right and left sub-parts of the protruding surface 332 as disclosed in figure 5 and 6.
  • the depth D2 is the distance that the inward extending parts 33 could be in contact with the bristles 5 in the direction of the length of the bristles 5.
  • a depth D1 of the recess 32 is at least 7mm. According to an aspect, the depth D1 of the recess 32 is between 7mm - 15mm. According to an aspect, a depth D2 of the inward extending parts 33 corresponds to the depth of the recess 32.
  • the inward extending parts 33 have a cross sectional shape with a base 331 and a protruding surface 332.
  • the width W of the base 331 is smaller than a total length L of the protruding surface 332.
  • the inward extending parts 33 has a triangular cross sectional shape, as is disclosed in figure 15. According to an aspect the inward extending parts 33 has a square cross sectional shape, as is disclosed in figure 14. According to an aspect the inward extending parts 33 has a wavy cross sectional shape, as is disclosed in figure 16. According to an aspect the inward extending parts 33 has a triangular cross sectional shape with a rounded tip, as is disclosed in figure 13.
  • the cassette collar 3 is arranged to be mechanically connected to the handle 2.
  • the bundle of bristles 4 is connected to the cassette collar 3.
  • the bundle of bristles 4 is at least connected to the cassette collar 3 by that at least a portion of the bottom bundle part 43 is arranged in the recess 32, as is disclosed in figure 17 and 20.
  • the inward extending parts 33 are positioned in the recess 32.
  • the inward extending parts 33 and reduces an opening 38 of the cassette collar 3.
  • the inward extending parts 33 extends from the wall 31.
  • the inward extending parts 33 extends from the wall 31 into the recess 32.
  • the inward extending parts 33 protrudes into the bottom bundle part 43 arranged in the recess 32.
  • the inward extending parts 33 protrudes into the bundle of bristles 4 and separate bristles 5 from other bristles 5 of the bundle of bristles 4, as is disclosed in figure 20.
  • the recess 32 has a circumference C2 as is disclosed in figure 7.
  • the circumference C2 of the recess 32 corresponds to a length of the wall 31.
  • the bundle of bristles 4 has according to an aspect different circumferences from its top to its bottom.
  • the bristles 5 in the bundle of bristles 4 are affected by the shape of the wall 31 and the shapes of the inward extending parts 33.
  • the cross sectional shape of the bundle of bristles 4 are different along the length of the bundle of bristles 4.
  • the cross sectional shape of the bottom of the bundle of bristles 4 is different from the cross sectional shape of the top of the bundle of bristles 4, as is schematically disclosed in figure 18 and 20.
  • Figure 18 discloses a cross sectional view along the line C-C in figure 17 and the figure 20 discloses a cross sectional view along the line A-A in figure 17.
  • the circumference of the bottom bundle part 43 of the bundle of bristles 3 substantially corresponds to a circumference C3 of the cassette collar 3 defined by the wall 31 and the protruding surfaces 332 of the inward extending parts 33, as is schematically disclosed in figure 8.
  • the cross sectional shape of the bottom bundle part 43 corresponds to the cross sectional shape of the middle bundle part 42 in the transition between the bottom and middle bundle part 43, 42.
  • the cross sectional shape of the top bundle part 41 corresponds to the cross sectional shape of the middle bundle part 42 in the transition between the top and middle bundle part 43, 42.
  • the cross sectional shape of the middle bundle part 42 is different at the transition from the bottom bundle part 43 from the cross sectional shape at the transition to the top bundle part 41. This is due to the fact that the bristles 5 extend from the top to the bottom of the bundle of bristles 4 and thus each bristle 5 has a part that is located in the bottom bundle part 43, a part that is located in the middle bundle part 42 and a part that is located in the top bundle part 41.
  • the cross sectional shape of the bottom bundle part 43 is different from the cross sectional shape of the top bundle part 41. This is due to that the cassette collar 3 affects the shape of the bundle of bristles 4 less at parts of the bristles 5 that are positioned further from the cassette collar 3.
  • the inward extending parts 33 are configured to increase a circumference Cl of the middle bundle part 42 to be larger than a circumference C2 of the recess 32.
  • the inward extending parts 33 increases the circumference C3 of the cassette collar 3 that is in contact with the bottom bundle part 43 of the bundle of bristles 4.
  • the circumference of the parts of the cassette collar that is in contact with the bundle of bristles 4 is larger than the circumference C2 of the recess 32 of the cassette collar 3.
  • the circumference of the bottom bundle part 43 substantially corresponds to the circumference of the parts of the cassette collar 3 that is in contact with the bundle of bristles 4, i.e. parts of the wall 31 and the protruding surface 332 of the inward extending parts 33.
  • the parts of the bundle of bristles 4 that is not in direct contact with the cassette collar 3 could be re-arranged in the bundle of bristles 4 and the cross sectional shape changes.
  • the inward extending parts 33 increases the circumference C3 of the cassette collar 3 that is in contact with the bottom bundle part 43 so much in relation to the circumference C2 of the recess 32, such that also the circumference Cl of the middle bundle part 42 is larger than the circumference C2 of the recess 32.
  • the circumference Cl of the middle bundle part 42 is reduced in relation to the distance from the cassette collar 3 and the circumference Cl of the middle bundle part 42 in the transition to the top bundle part 41 is larger than the circumference C2 of the recess 32.
  • the inward extending parts 33 increases the circumference Cl of the middle bundle part 42 by making the surface uneven in a radial direction, i.e. in a direction from the center of the bundle of bristles 4 and outwards.
  • the length of the uneven surface is longer than if the surface would have been straight and smooth.
  • the inward extending parts 33 separate the bristles 5 at the outer surface of the middle bundle part 42 from one another and creates voids 421 at the surface of the middle bundle part 42, as is disclosed in figure 19.
  • the figure 19 discloses a cross sectional view along the line B-B in figure 17. When the paint brush 1 is dipped in paint, paint will enter into these voids 421 and be picked-up by the paint brush 1.
  • the larger circumference Cl thus creates a larger surface on the middle bundle part 42, at which paint could be sucked into the bundle of bristles by capillary forces and wetting, and creates the voids 421, that could pick-up even further paint.
  • the inward extending parts 33 are configured to increase a circumference of the top bundle part 41 to be larger than the circumference C2 of the recess 32.
  • the circumference to the top bundle part 41 is larger than the circumference C2 of the recess 32.
  • the inward extending parts 33 extends from a bottom edge to a top edge of the wall 31, wherein the top edge of the wall 31 defines the opening of the recess 32 as is disclosed in figure 12.
  • the inward extending parts 33 protrudes into the bundle of bristles 4 in a direction that is perpendicular to the extension of the bristles in the bundle of bristles 4. Put in another way, the inward extending parts 33 extends into the bundle of bristles 4 in a radial direction of the bristles 5.
  • the wall 31 and the inward extending parts 33 defines a second recess 38 that is sub-part of the recess 32.
  • the circumference C3 of the second recess 38 corresponds to the circumference C3 defined by the wall 31 and the protruding surfaces 332 of the inward extending parts 33, as is schematically disclosed in figure 8
  • the circumference C3 of the second recess 38 is larger than the circumference C2 of the recess 32.
  • cross sectional shape of the second recess 38 substantially corresponds to the cross sectional shape of the middle bundle part 42.
  • the cross sectional shape of the second recess 38 has a gear shape. According to an aspect the cross sectional shape of the second recess 38 has the shape of a circular gear. According to an aspect the cross sectional shape of the second recess 38 has the shape of an elliptical gear.
  • the inward extending parts 33 has a height H of at least 1, 5 mm. According to an aspect the inward extending parts 33 has a height H of at least 2 mm, According to an aspect the height H of the inward extending parts 33 extends from the wall 31 into the bottom bundle part 43.
  • the inward extending parts 33 extend between 1, 5 mm to 5mm into the bottom bundle part 43 in relation to the wall 31.
  • the circumference of the middle bundle part 42 is at least 10% larger than the circumference of the recess 32. According to an aspect the circumference of the middle bundle part 42 is at least 20% larger than the circumference of the recess 32.
  • the circumference of the middle bundle part 42 is between 10- 60% larger than the circumference of the recess 32. According to an aspect the circumference of the middle bundle part 42 is between 20-60% larger than the circumference of the recess 32.
  • the circumference of the bottom bundle part 43 is at least 10% larger than the circumference of the recess 32. According to an aspect the circumference of the bottom bundle part 43 is at least 20% larger than the circumference of the recess 32.
  • the circumference of the bottom bundle part 43 is between 10- 80% larger than the circumference of the recess 32. According to an aspect the circumference of the bottom bundle part 43 is between 20-80% larger than the circumference of the recess 32.
  • the circumference of the top bundle part 41 is at least 5% larger than the circumference of the recess 32.
  • the circumference of the bottom bundle part 43 is at least 10% larger than the circumference of the recess 32.
  • the circumference of the bottom bundle part 43 is between 5- 40% larger than the circumference of the recess 32.
  • the circumference of the top bundle part 41 is between 5-30% larger than the circumference of the recess 32.
  • the middle bundle part 42 is located at a distance of at least 1 cm from the cassette collar 3. Put in another way, the transition from the bottom bundle part 43 to the middle bundle part 42 is located at a distance of at least 1 cm from the cassette collar 3.
  • the middle bundle part 41 is located at a distance of at least 2 cm from a top end of the bundle of bristles 4. Put in another way, the transition from the top bundle part 41 to the middle bundle part 42 is located at a distance of at least 2 cm from the top of the bundle of bristles 4.
  • the length of the middle bundle part 42 is at least half the length of the bundle of bristles 4.
  • the top bundle part 41 is the part of the bundle of bristles 4 in which paint could be picked up by capillary forces from the tip of the bundle of bristles 4.
  • the top bundle part 41 and the middle bundle part 42 are the parts of the paint brush 1 that is intended to be dipped in paint.
  • the top bundle part 41 and the middle bundle part 42 are the parts of the paint brush 1 that is configured to be dipped in paint.
  • the wall 31 of the recess 32 is parallel with the plurality of bristles 5 in the bundle of bristles 3, as is disclosed in figure 2 and 3.
  • the handle 2 and/or the cassette collar 3 and/or the plurality of bristles 5 are made from a thermoplastic polymer.
  • the paint brush 1 comprises an insert at least connected to the bundle of bristles 4.
  • a painter paints a surface with a paint brush he/she starts by dipping the paint brush 1 in the paint.
  • the paint interacts with the bundle of bristles 4 and the paint brush 1 pick-up paint and stores it in the bundle of bristles 4 of the paint brush 1.
  • the paint brush 1 is pressed towards a surface, the paint is released and the surface is painted. It will thus be possible to paint a larger surface with the paint brush 1 with an increased paint pick up in comparison to a similar paint brush without the increased circumference Cl.
  • similar is here meant a paint brush with the corresponding size and mix of bristles.
  • top bundle part 41 As the top bundle part 41 is dipped in paint, capillary forces and wetting will suck paint into the top bundle part 41 from the top of the bundle of bristles 4. In addition, paint will be picked up from the sides of the top bundle part 41. As the paint brush 1 is dipped further into the paint, also the middle bundle part 42 of the paint brush 1 will be immersed in the paint and start to interact with the paint. Capillary forces and wetting effects will suck paint into the middle bundle part 42 from the sides, i.e. from the outer surface of the middle bundle part 42, and further paint will be picked up by the paint brush 1.
  • paint is sucked into the bundle of bristles 4 and positioned in voids between the bristles 5 in the middle bundle part 42.
  • paint will also enter into the voids 421 at the surface of the middle bundle part 42.
  • the surface area of the middle bundle part 42 is increased by increasing the circumference Cl of the middle bundle part 42, in comparison to a similar paint brush without any inward extending parts, the paint pick-up by capillary forces and wetting will be increased.
  • the inward extending parts 33 interacts with the bristles 5 of the bundle of bristles to create voids 421 at the surface of the middle bundle part 42.
  • the voids 421 are configured to store paint and the possible paint pick-up by the paint brush 1 is thus even further increased by the inward extending parts 33.
  • the inward extending parts 33 will thus increase the paint pick-up of a paint brush without increasing the size of the paint brush or the amount of bristles 5 in the bundle of bristles 5.
  • bristles 5 are aligned and mixed into a bundle.
  • the bottom ends of the bristles 5 in bundle are thereafter pressed into the recess 32 with the inward extending parts 33 of the cassette collar 3.
  • the amount of bristles 5 are adapted to the size of the recess 32 and the inward extending parts 33 such that it together with the inward extending parts 33 fills the recess 32.
  • the bristles 5 are arranged in the cassette collar 3 it creates a bundle of bristles 5 that has a corresponding shape as the cassette collar 3.
  • the bristles 5 are positioned between the inward extending parts 33 and fills out gaps between the inward extending parts 33 and thereby the inward extending parts 33 extends into the bundle of bristles 4 and affects the circumference of the bundle of bristles 4 at least in the bottom bundle part 43 and the middle bundle part 41.

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  • Brushes (AREA)

Abstract

L'invention concerne un pinceau (1), comprenant un manche (2), un collet de cassette (3) et un faisceau de poils (4) comprenant une pluralité de poils (5), dans lequel le collet de cassette (3) est reliée au manche (2), le collet de cassette (3) comprend une paroi (31) définissant un évidement (32) et une ou plusieurs parties s'étendant vers l'intérieur (33) reliées à la paroi (31) et positionnées dans l'évidement (32), le faisceau de poils (4) comprenant une partie de faisceau supérieur (41), une partie de faisceau inférieure (43) et une partie de faisceau intermédiaire (42) positionnée entre les parties de faisceau supérieure et inférieure (41,43), la pluralité de poils (5) étant agencée de telle sorte qu'ils s'étendent de la partie de faisceau inférieure (43) vers la partie de faisceau supérieure (41), le faisceau de poils (4) est relié au collet de cassette (3), au moins par le fait qu'au moins une partie de la partie de faisceau inférieure (43) est disposée dans ledit évidement (32), et les parties s'étendant vers l'intérieur (33) s'étendent à partir de la paroi (31) et dépassent dans la partie de faisceau inférieure (43) disposée dans l'évidement (32) et sont conçues pour augmenter une circonférence (A) de la partie de faisceau intermédiaire (42) pour qu'elle soit plus grande qu'une circonférence (B) de l'évidement.
PCT/SE2021/050247 2020-03-31 2021-03-23 Pinceau avec un collet de cassette avec des parties s'étendant vers l'intérieur WO2021201743A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21779302.5A EP4125494A4 (fr) 2020-03-31 2021-03-23 Pinceau avec un collet de cassette avec des parties s'étendant vers l'intérieur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE2050363A SE543897C2 (en) 2020-03-31 2020-03-31 Paint brush with a cassette collar with inward extending parts
SE2050363-7 2020-03-31

Publications (1)

Publication Number Publication Date
WO2021201743A1 true WO2021201743A1 (fr) 2021-10-07

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PCT/SE2021/050247 WO2021201743A1 (fr) 2020-03-31 2021-03-23 Pinceau avec un collet de cassette avec des parties s'étendant vers l'intérieur

Country Status (3)

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EP (1) EP4125494A4 (fr)
SE (1) SE543897C2 (fr)
WO (1) WO2021201743A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616858A (en) * 1925-01-16 1927-02-08 Hanlon & Goodman Co Brush
DE1187222B (de) * 1963-05-16 1965-02-18 Richter Werke Inh Heinrich Ric Pinsel
US3871048A (en) * 1972-08-18 1975-03-18 Leng Armac Limited Brush
US4253213A (en) * 1979-03-05 1981-03-03 The Wooster Brush Company Paint brush

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVE20120023A1 (it) * 2012-07-13 2014-01-14 Pennelli Tigre Srl Pennelli per dipintori

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616858A (en) * 1925-01-16 1927-02-08 Hanlon & Goodman Co Brush
DE1187222B (de) * 1963-05-16 1965-02-18 Richter Werke Inh Heinrich Ric Pinsel
US3871048A (en) * 1972-08-18 1975-03-18 Leng Armac Limited Brush
US4253213A (en) * 1979-03-05 1981-03-03 The Wooster Brush Company Paint brush

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4125494A4 *

Also Published As

Publication number Publication date
SE2050363A1 (en) 2021-09-14
SE543897C2 (en) 2021-09-14
EP4125494A1 (fr) 2023-02-08
EP4125494A4 (fr) 2024-04-24

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