EP3103367A1 - Malerbürste - Google Patents

Malerbürste Download PDF

Info

Publication number
EP3103367A1
EP3103367A1 EP16170550.4A EP16170550A EP3103367A1 EP 3103367 A1 EP3103367 A1 EP 3103367A1 EP 16170550 A EP16170550 A EP 16170550A EP 3103367 A1 EP3103367 A1 EP 3103367A1
Authority
EP
European Patent Office
Prior art keywords
ferrule
cluster
filament
brush head
emerging
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP16170550.4A
Other languages
English (en)
French (fr)
Other versions
EP3103367B1 (de
Inventor
Stuart Hobbs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Harris and Co Ltd
Original Assignee
LG Harris and Co Ltd
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 LG Harris and Co Ltd filed Critical LG Harris and Co Ltd
Publication of EP3103367A1 publication Critical patent/EP3103367A1/de
Application granted granted Critical
Publication of EP3103367B1 publication Critical patent/EP3103367B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/02—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by pitch, resin, cement, or other adhesives
    • 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
    • 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
    • A46B3/20—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed or joined in rubber bodies, e.g. in soft rubber
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
    • 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
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies
    • A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
    • 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
    • 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
    • A46B2200/205—Artist paint brush, e.g. paint brushes that as a rule come to a point for fine work

Definitions

  • the present invention relates to a painting brush and a method of making a paintbrush.
  • a paintbrush is a handheld tool used to apply paint or sealers to paintable surfaces.
  • the brush includes: a filament comprising a stack of bristles for picking up paint: a ferrule that is typically a metal band that holds the filament and a handle together and gives the brush strength; one or more spacer plugs within the ferrule which help the filament sits tightly in the brush and creates a reservoir for paint; epoxy resin to lock the filament; and a handle which provides comfort and good balance.
  • the present invention provides a decorating painting brush head comprising a ferrule and a filament cluster, the ferrule comprising a handle receiving end and a cluster emerging end, one end of the cluster being set into a setting block, the block extending in the ferrule to a level towards the emerging end, the level being spaced from the emerging end to define a filament-only region in the ferrule, the ferrule being tapered from the handle receiving end to the cluster emerging end and pushing the filament-only region of the cluster inwards, whereby to cause the cluster to taper beyond the emerging end.
  • a decorating painting brush head comprising a ferrule and a filament cluster, the ferrule comprising a brush handle receiving end and a filament cluster emerging end, the filament cluster comprising a retained end and a free end, the retained end of the cluster being retained in the ferrule by a setting block, the filament cluster including a filament-only region at the emerging end of the ferrule, and the emerging end of the ferrule comprising a constriction for shaping the filament cluster towards the free end.
  • the decorating paint brush may be, for example, a wallpaper brush, a painting brush (such as an emulsion brush, a masonry brush, a gloss brush, a creosoting brush, a shed & fence brush) a dusting brush or a pasting brush.
  • a painting brush such as an emulsion brush, a masonry brush, a gloss brush, a creosoting brush, a shed & fence brush
  • a dusting brush or a pasting brush such as an emulsion brush, a masonry brush, a gloss brush, a creosoting brush, a shed & fence brush.
  • a further aspect provides a painting brush head comprising a ferrule and a filament cluster, the ferrule comprising a handle receiving end and a cluster emerging end, one end of the cluster being set into a setting block, the block extending in the ferrule to a level at the emerging end, the level being spaced from the emerging end, the emerging end of the ferrule being shaped to push the section of the cluster in the ferrule and beyond the setting block inwards, whereby to cause the cluster to taper beyond the emerging end.
  • a further aspect provides a painting brush head comprising a ferrule and a filament cluster, the filament cluster being retained in the ferrule by a resin block, in which the filament cluster tapers towards a free end thereof.
  • a further aspect provides a painting brush head comprising a ferrule and a filament cluster, the ferrule having a handle receiving end an a cluster emerging end, the cluster being retained in the ferrule by a resin block, the resin block extending in the ferrule to a point spaced from the emerging end thereof so that the ferrule extends beyond the resin level the emerging end of the ferrule constricting the cluster below the resin level to cause tapering of the cluster.
  • a further aspect provides a painting brush head comprising a ferrule for receiving a handle and a filament, the filament being fixed at one end by a setting blocking comprising a resin block and one or more plugs, the setting block being deliberately high set in the ferrule to define a ferrule extension through which the filament extends, the ferrule being shaped so that the ferrule extension causes convergence of the filament.
  • the filament cluster may have a generally quadrilateral section, for example the cluster may have a generally rectangular section.
  • cluster tapers in width.
  • clusters may taper in depth.
  • the ferrule may be a band, for example a metal band (such as steel).
  • the ferrule is formed from a strip of material.
  • the ferrule may be tapered along at least part of at least one dimension, for example along its length or across its width.
  • the setting block may, for example, be a monolithic block formed from resin and may further comprise one or more spacer plugs.
  • the present invention also provides a paintbrush comprising a head as described herein.
  • a decorating painting brush head ferrule for receiving a filament cluster, the ferrule comprising a handle receiving end and a cluster emerging end, the ferrule being tapered from the handle receiving end to the cluster emerging end such that, in use, the ferrule can push a filament cluster inwards, whereby to cause the cluster to taper beyond the emerging end.
  • the ferrule is tapered along substantially the entire length thereof.
  • the taper may be constant.
  • the present invention also provides a ferrule as described herein.
  • the present invention also provides a method of making a paintbrush as described herein.
  • Table I three different types of ferrule formed in accordance with the present invention are described.
  • Table I Version I Ferrule which narrows in width & depth Version 2 - Ferrule which narrows in depth but not width Version 3 - Ferrule which narrows in depth but widens in width Strip Steel Shape required to make the ferrule shape. This is the ferrule blank which needs to be cut and the folded into the ferule shape.
  • Ferrule Width Profile looking at the ferrule wide side on Top (Handle Side) Top (Handle Side) Top (Handle Side) Bottom (Filament side) Bottom (Filament side) Ferrule Depth Profile - looking at the ferrule narrow side on Top (Handle Side) Bottom (Filament side) Notes : Creates a brush which tapers in width to give a sharp painting edge and also to a point to give added accuracy. Creates a brush which is tapered in width to give a sharp painting edge. Creates a brush which is tapered to give a sharp painting edge.
  • Version I tapers longitudinally and laterally, whereas version 2 is parallel longitudinally but tapers laterally and version 3 is parallel laterally but tapers longitudinally.
  • the ferrule is tapered longitudinally and/or latitudinally.
  • part of the ferrule is additionally inwardly shaped (for example crimped) to exert a shaping force on the filament.
  • a "blade" shape filament is formed in which the filament converges to a highly controllable edge.
  • a resin block, together with brush plugs, are mounted above the end of a shaped (converging) ferrule.
  • the setting block is mounted at least 7mm below the end of the ferrule.
  • Bristles may be natural or synthetic. If the bristles are synthetic, they may be made of polyester, nylon or a blend of nylon and polyester. Bristles can be hollow or solid and can be tapered or untapered.
  • Synthetic filaments tend to last longer than natural bristles. Natural bristles may be preferred for oilbased paints and varnishes, while synthetic brushes may be better for water-based paints as the bristles do not expand when wetted.
  • Brush handles may be made of wood or plastic, while ferrules are metal (for example nickel-plated steel).
  • a method of forming a brush head in accordance with the present invention may include some/all of the following steps:
  • the paintbrush 10 comprises a handle 15 and a brush head 12 comprising a ferrule 20, a setting block 22 including a resin block 25 and spacer plugs 30, and a filament 35.
  • the handle 15 (formed from, for example, wood or a plastics material) is secured to the ferrule by pins 40.
  • the ferrule 20 is a metal band open at both end 21, 22.
  • the filament 35 comprises a stack of a plurality of bristles 36 (natural and/or synthetic) set into the resin block 25 at one end.
  • the filament extended out of an upper end 21 of the ferrule.
  • the spacer plugs 30 are set into the resin block and serve help the filament sit tightly in the brush and create a reservoir for paint in use.
  • the resin block and plugs are positioned so that the ferrule extends beyond them and this defines a shaping section 23 of the ferrule.
  • the ferrule 20 is tapered, narrowing from the lower end 22 to the upper end 21. Because there is no mechanical restriction in the shaping section 23 the bristles are converged by the inward force on that part of the bristles which are beyond the anchored roots and between the top of the resin block and the ferrule end 21. The result is that the filament converges towards its tip.
  • Figures 2 to 8 illustrate a method of machine-making of a decorating paintbrush head of the same general type as that shown in Figure 1 .
  • a ferrule blank 150 is shown and in this embodiment is a generally flat strip of steel with a trapezoidal shape.
  • the blank 150 is formed into a ferrule band 120 by shaping on a mandrel and then crimping.
  • the blank is shaped and formed so that it tapers, narrowing in depth but not in width, as depicted in Figure 3 showing front and side views.
  • a pre-set volume of bristles 136 is provided, which in this embodiment are synthetic.
  • the bristle stack is grabbed and pushed partially through the lower end 122 of the ferrule 120 (in this embodiment so that it is approximately 2/3 of the way in and 1/3 out), as shown in Figure 5 to start to form the filament 135. It will be noted that as the tip end 137 of the filament passes through the filament end 121 of the tapered ferrule it causes the bristles to converge.
  • Spacer plugs 130 are then inserted at the root end 136 of the filament 135. Because the filament is converged at the filament end of the ferrule this causes the root end of the filament to relax so that it is easier to insert the plugs.
  • the root end 136 of the filament 135 is then patted upwards to push it further through the ferrule until the root end reaches the filament end 122 ( Figure 6 ). Because the filament is progressively converged by the filament end 121 this tightens the root end of the filament which helps to retain the plugs 130. It also helps to stop bristles falling out of the ferrule as it passes between workstations.
  • a clamp grabs the tip end 137 of the filament 135 and pulls it through the ferrule 120 to the position shown in Figure 7 .
  • the plugs 120 (buried in the filament) are positioned so that they are "high set” i.e. they are spaced from the ferrule end 121. In some embodiments the plugs are at least 7mm away from the free edge of the ferrule at the filament end.
  • Resin R is then poured through the ferrule end 122 and allowed to reach a final level 126 within the ferrule, which in this embodiment is approximately the same level as where the plugs extend to in the ferrule. Again it will be noted that the level 126 is spaced from the ferrule end 121. It has been found by the inventor that due to the tightening effect of the ferrule, a natural "dam" is formed in the bristle stack towards the filament end which stops the resin flowing further through the ferrule than desired i.e. it can be used to set the fill level. It has also been found that the tightened filament helps to reduce bristle loss during production (for example during resin pour).
  • the filament stack is selected to be larger than the ferrule end 121. Because the ferrule is tapered the filament easily passes through the end 122 and then as it passes through the end 121 it is caused to converge. The resin solidifies to a monolithic block 160 and locks the filament in the converged shape shown in Figure 8 .
  • FIGS 9 to 15 illustrate a ferrule 220 formed from a blank 250.
  • the ferrule narrows in width and depth.
  • FIGS 16 to 22 illustrate a ferrule 320 formed from a blank 350.
  • the ferrule narrows in depth but not width.
  • FIGS 23 to 29 illustrate a ferrule 420 formed from a blank 450.
  • the ferrule narrows in depth and widens in width.
  • Figures 30 to 34 show a decorating painting brush 560 formed in accordance with the present invention and comprising a handle 565 and a brush head 512.
  • the brush head 512 includes a distinctly shaped ferrule 520 manufactured by a distinctly different method of constructing the brush with the aim of having the resin (glue) set above the ferrule edge.
  • a converging ferrule edge By combining a highly set brush (as depicted) with a converging ferrule edge a converging filament cluster which resembles a blade is constructed.
  • Figures 35 to 38 show a brush 660 and a ferrule 620 (shown in further detail in Figures 39 to 43 ) forming part of the brush.
  • the ferrule 620 is parallel longitudinally but tapers laterally i.e. for a brush with a generally rectangular head when view in plan, it tapers from "back to front” (across its depth), and is not tapered from "side to side” (across its width).
  • an additional convergence feature which in this embodiment is an inwardly crimped (other otherwise bent) portion 624.
  • the portion 624 may, for example, be formed by passing the ferrule through rollers.
  • Figures 44 to 47 show a brush 760 and a ferrule 720 (shown in further detail in Figures 48 to 52 ) formed according to a further embodiment.
  • the ferrule 720 is similar to the ferrule 620, except that the degree of inward convergence at the filament end is slightly less.
  • FIGS 53 and 54 show a side and front view of a ferrule 820 formed in accordance with the present invention. It will be seen that the ferrule tapers inwardly from a handle end 822 to a filament end 821. In addition, the filament end 821 "tightens" with an inwardly directed rim 824.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating Apparatus (AREA)
  • Brushes (AREA)
EP16170550.4A 2015-06-12 2016-05-20 Malerbürste Active EP3103367B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1510226.2A GB2539247B (en) 2015-06-12 2015-06-12 A painting brush

Publications (2)

Publication Number Publication Date
EP3103367A1 true EP3103367A1 (de) 2016-12-14
EP3103367B1 EP3103367B1 (de) 2022-05-18

Family

ID=53784537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16170550.4A Active EP3103367B1 (de) 2015-06-12 2016-05-20 Malerbürste

Country Status (4)

Country Link
US (1) US20160360873A1 (de)
EP (1) EP3103367B1 (de)
AU (1) AU2016203460B2 (de)
GB (1) GB2539247B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1751130A1 (en) * 2017-09-15 2019-03-16 Qpt Ab Bristle protection system for paintbrush

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD843734S1 (en) * 2016-06-16 2019-03-26 James Charles Dale Handle for interchangeable painting tool heads
US20180064237A1 (en) * 2016-09-07 2018-03-08 Nequita Dowling Paint brush
US10674809B2 (en) 2018-07-06 2020-06-09 Stinger Brush Holdings, LLC Multi-lobated paint brush and sleeve assembly
KR102198834B1 (ko) * 2019-03-06 2021-01-05 박성호 친환경 브러시
EP4125495A4 (de) * 2020-03-31 2024-04-24 Orkla House Care AB Pinsel mit einem satz von einsätzen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253213A (en) * 1979-03-05 1981-03-03 The Wooster Brush Company Paint brush
WO2009127280A2 (de) * 2008-04-16 2009-10-22 G.B. Boucherie N.V. Pinsel
US20140259489A1 (en) * 2013-01-16 2014-09-18 James C. Dale Hybrid Paintbrush

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1872037A (en) * 1929-11-29 1932-08-16 Whiting Adams Company Method of making a brush
US2075907A (en) * 1936-01-16 1937-04-06 Hugh P Mcmillan Brush
US2258361A (en) * 1938-06-28 1941-10-07 Ruberset Company Paintbrush
US2406732A (en) * 1944-08-17 1946-08-27 Kenneth V Hardman Bristle setting
GB682725A (en) * 1950-08-14 1952-11-12 Arnold Sydney Leng Paint brushes
US2854684A (en) * 1954-11-04 1958-10-07 H V Hardman Company Inc Plastic brush
FR2252825A1 (en) * 1973-12-04 1975-06-27 Samothrace Mfg. process for paint brushes - involves gripping bristles in ferrule which is then fixed in handle
US3924287A (en) * 1974-08-05 1975-12-09 Anna P Brown Artist{3 s paintbrush
US5084932A (en) * 1990-10-24 1992-02-04 Zanchi Dale E Drip collar for a paint brush
FR2685617B1 (fr) * 1991-12-30 1994-10-07 Flament Sa Ets Collerette perfectionnee.
FR2738127B1 (fr) * 1995-08-30 1998-03-27 Oreal Applicateur de mascara
GB0519528D0 (en) * 2005-09-24 2005-11-02 Harris L G & Co Ltd Improvements in or relating to brushes
FR2913187A1 (fr) * 2007-03-02 2008-09-05 Nespoli Engineering Kereskedel Pinceau perfectionne comprenant une cale au sein de la virole.
EP2734081A1 (de) * 2011-07-18 2014-05-28 Valspar Sourcing, Inc. Farbpinsel und herstellungsverfahren

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253213A (en) * 1979-03-05 1981-03-03 The Wooster Brush Company Paint brush
WO2009127280A2 (de) * 2008-04-16 2009-10-22 G.B. Boucherie N.V. Pinsel
US20140259489A1 (en) * 2013-01-16 2014-09-18 James C. Dale Hybrid Paintbrush

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE1751130A1 (en) * 2017-09-15 2019-03-16 Qpt Ab Bristle protection system for paintbrush

Also Published As

Publication number Publication date
AU2016203460A1 (en) 2017-01-05
EP3103367B1 (de) 2022-05-18
GB2539247A (en) 2016-12-14
US20160360873A1 (en) 2016-12-15
GB2539247B (en) 2020-12-16
GB201510226D0 (en) 2015-07-29
AU2016203460B2 (en) 2021-03-11

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