WO2009026679A1 - Truelle universelle - Google Patents

Truelle universelle Download PDF

Info

Publication number
WO2009026679A1
WO2009026679A1 PCT/CA2008/001472 CA2008001472W WO2009026679A1 WO 2009026679 A1 WO2009026679 A1 WO 2009026679A1 CA 2008001472 W CA2008001472 W CA 2008001472W WO 2009026679 A1 WO2009026679 A1 WO 2009026679A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
trowel
base plate
lower face
fiber
Prior art date
Application number
PCT/CA2008/001472
Other languages
English (en)
Inventor
Mohammed Ayub Hanif
Original Assignee
Mohammed Ayub Hanif
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 Mohammed Ayub Hanif filed Critical Mohammed Ayub Hanif
Publication of WO2009026679A1 publication Critical patent/WO2009026679A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
    • E04F21/161—Trowels
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
    • E04F21/161—Trowels
    • E04F21/163—Trowels with exchangeable blades
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers
    • E04F21/1652—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers for smoothing and shaping joint compound to a desired contour

Definitions

  • This invention relates to a universal trowel for manual use, having a bottom surface for generally smoothing, sanding, spreading fluid materials, and the like, particularly, grouting, glue, sanding, thin-set and the like trowels, and having a replaceable substrate.
  • the process of laying tiles, particularly ceramic tiles on a flat wall or floor surface typically involves the spreading of an adhesive cement, on the floor surface or wall with a trowel.
  • a trowel has a handle affixed to a rectangular thin metal plate having indentations on each of the two longitudinal edges for spreading out the "thin set", to a desired thickness intermittent of the area covered to leave a roughened uneven surface.
  • An alternative trowel has a handle and rectangular metal plate of similar dimensions affixed to a rectangular non-abrasive, rubber foam pad of the same surface area as the metal plate and a thickness of about lcm. This pad trowel may be used in the same manner as the metal trowel in spreading thin set adhesive on the surface.
  • glue trowels having a planar metal base with edge teeth are known for applying a layer of glue to the walls, floors and ceilings to which is, subsequently, adhered tiles, wood, wallpaper, flooring materials and the like.
  • thin-set trowels having a base formed of metal or a plastics material for applying concrete, mortar, bonding cement and the like to which tiles and the like are subsequently adhered.
  • the edge teeth are of different sizes for use in installing different types of flooring, such as marble, granite, ceramic and the like.
  • mudding trowels for applying plaster, drywall compositions, stucco cement and the like.
  • floats used to smooth out walls, floors, and the like having a rubber, wood or foam lower layer of the trowel.
  • sponge sanding blocks having particulate sand grits of various sizes on the surface of the lower layer and each vertical side of the block.
  • scouring pads for scrubbing surfaces of walls, floors and the like comprising abrasive metal of plastic wire mesh and the like are known.
  • An object of the present invention is to provide a trowel having a handle affixed to a replaceable and substitutable working substrate to avoid having to discard the full trowel when the working substrate reaches its useful working life, or when a different duty of action requiring a different substrate is needed.
  • the present invention negates disposal of the handle, and, thus, a concomitant reductions in costs, as well as a significant increase in convenience.
  • the universal handle negates for the skilled person to possess and carry a plurality of trowels.
  • the invention provides in a preferred aspect a universal trowel having a handle affixed to a base place to which is adhered a replaceable substrate, wherein the lower surface of the base plate and the upper surface of the substrate have complimentary fiber-engaging strips engageable and disengageable one strip with another. Disengagement of the strips allows for the substrate to be discarded when required and replaced with another substrate. This negates the need to discard the full trowel with a significant saving in monetary cost and inconvenience.
  • the invention provides in one aspect a universal trowel comprising
  • retaining means affixing said top surface to said base plate lower face; characterized in that said retaining means comprises engageable and disengageable adhering member means.
  • the adhering means comprises fiber-engaging member means, which are repeatably engageable and disengageable one member to another member.
  • the invention provides a trowel as hereinabove defined wherein said adhering means comprises
  • a first retainer member having a first surface and a second surface, wherein (a) said first surface is adhered to and covers in whole or in part said lower face of said base plate, and (b) said second surface comprises a fiber-engageable face;
  • a second retainer member having (a) a first surface adhered to said substrate top surface, and (b) a fiber-covered second surface, whereby said fiber-engageable surface of said first retainer member and said fiber-covered second surface of said second retainer member are each adherably engageable with and disengageable from the other.
  • the invention provides a trowel as hereinabove defined wherein said adhering means comprises (i) a first retainer member having a first surface and a second surface, wherein (a) said first surface is adhered to and covers in whole or in part said lower face of said base plate, and (b) said second surface comprises a fiber-covered second surface; and
  • a second retainer member having (a) a first surface adhered to said substrate top surface, and (b) a fiber-engageable second surface; whereby said fiber-engageable second surface of said second retainer member and said fiber-covered second surface of said first retainer member are each adherably engageable with and disengageable from the other.
  • the first and second retainer members are preferably planar.
  • the invention provides a trowel wherein said lower face of said base plate is adhered to a plurality of said first retainer members.
  • the substrate top surface is adhered to a plurality of said second retainer members.
  • the substrate of the trowel is of a size and shape as to overlap all or a part of at least one edge of said planar base plate.
  • the replaceable substrate may be selected from, but is not so limited, to units for use as grouting, sponge sanding, glue, plaster, "thin set", concrete and scrubbing trowels.
  • the invention provides a grout trowel assembly wherein the substrate is a replaceable soft pad unit, comprising in combination
  • A a handle; a planar base plate having an upper face and a lower face and affixed to said handle at said upper face; a base plate retainer member having (i) a first surface adhered to and covering in whole or in part said lower face of said base plate, and (ii) a second surface; and
  • a replaceable soft pad unit comprising a soft pad member having a pad top surface and a pad bottom surface; and a pad retainer member having (i) a first surface adhered to and covering in whole or in part said pad top surface, and (ii) a second surface comprising adhering means.
  • an assembly as hereinabove defined has said base place retainer member second surface adhering means and said pad retainer member second surface adhering means adapted to cooperate in operable engagement and disengagement.
  • the assembly as hereinabove defined has said base plate retainer member second surface adhering means comprising fiber-engaging means.
  • the base plate preferably has the retainer member second surface adhering means comprising fiber-covered surface.
  • the assembly has said substrate second surface adhering means comprising a fibered-covered surface. In preferred embodiments, the assembly has said substrate second surface adhering means comprising fiber-engaging means.
  • the invention provides a replaceable substrate unit adapted to cooperate in operable engagement and disengagement with said base plate retainer member second surface adhering means.
  • the replaceable substrate unit as hereinabove defined has said second surface adhering means adapted to cooperate in operable engagement and disengagement with complementary adhering means.
  • the replaceable substrate unit as hereinabove defined has said second surface adhering means comprising fiber-engaging means.
  • the replaceable substrate unit as hereinabove defined has said second surface adhering means comprising fiber-engaging means.
  • the replaceable substrate unit as hereinabove defined is preferably planar, which may cover in whole or in part said pad top surface; and comprise a plurality of said substrate retainer members.
  • Fig. 1 is a perspective view of a grouting pad trowel according to the prior art
  • Figs. 2 and 3 are perspective views of a grouting pad trowel, in an engaged and disengaged assembly combination, respectively, according to the invention
  • Figs. 4 - 9 are perspective views of alternative embodiments of a universal trowel according to the invention. and wherein the same numerals denote like parts.
  • Fig. 1 shows generally as 10, a trowel having a rectangular metal planar base place 12 having an upper face 14 and a lower face 16 affixed to a handle 18 at upper face 14 by screws (not shown). Lower face 16 is permanently affixed by an adhesive layer (not shown) to the upper face 20 of a soft pad member 22.
  • Figs. 2 and 3 show generally as 30 and 40, respectively, a grout trowel assembly in an engaged and a disengaged combination, respectively.
  • Lower face 16 of base place 12 has a plurality of planar, rectangular fiber-engaging fiber strips 32 suitably located at peripheral portions of face 16.
  • a preferred strip 32 is formed of VELCRO® fiber-engaging material, permanently affixed to face 16 by a suitable bonding adhesive.
  • Upper face 20 of pad 22 also has a similar plurality of planar, rectangular strips 42 of VELCRO® material suitably located on and bonded to face 20 as to be operably engageable and disengageable with strips 32.
  • the shapes, thicknesses, sizes, numbers and locations of strips 32 and cooperable opposing strips 42 may be suitably varied, if desired.
  • the shapes, sizes and numbers of fibers per unit area of strips 32, 42 are such as to effect sufficient engagement with opposing fibers of the opposing strip as to permit manual use of the assembly for its rubbing and cleaning duty on and between the tiles to be cleaned.
  • the engagement between strips 32, 42 should not be too strong as to prevent disengagement of strips 32, 42 by vertically manually pressing base plate 12 from pad member 22.
  • Fig. 4 shows generally as 50 a trowel having metal planar base 12 with upper face 14 affixed to handle 18.
  • Lower face 16 of base plate 12 has the plurality of fiber strips 32 bonded to face 16 as described with reference to Fig. 2.
  • Fig. 4 has soft pad member 22 of Fig. 2 substituted with rectangular shaped float substrate 52 of a thermoplastic foam in the embodiment shown.
  • float member 52 Alternative materials for float member 52 are wood and rubber.
  • Upper face 54 of member 52 has a plurality of planar, rectangular strips 42 of VELCRO® material suitably located on and bonded to face 20 as to be operably engageable and disengageable with strips 32.
  • Fig. 5 describes generally as 60 a sponge sanding trowel having a replaceable sponge substrate 62 impregnated on its lower face 64 and sides 66 with particulate grit 68.
  • Fig. 6 describes generally as 70 a glue trowel having a rectangular planar metal substrate 72 having an array of horizontal co-planar teeth 74, by which glue may be suitably spread on a floor, ceiling, wall and the like.
  • Fig. 7 describes generally as 80, a trowel having a plastics or wood rectangular planar substrate 82 for spreading and smoothing plaster, drywall, stucco or cement compounds.
  • Fig. 8 describes generally as 90, a trowel for use with thin-set mortar, i.e. bonding cement having a rectangular planar metal or plastics substrate 92 having an array of horizontally aligned co-planar rectangular teeth 94 by which the bonding cement is applied and suitably spread.
  • Fig. 9 describes generally as 100, a scrubbing trowel having a rectangular planar abrasive substrate 102 formed of a scouring wire or plastics fibre for scrubbing walls, floors, countertops and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Floor Finish (AREA)

Abstract

L'invention porte sur une truelle universelle comportant un manche fixé à une plaque de base à laquelle adhère un substrat, la surface inférieure de la plaque de base et la surface supérieure du substrat comportant des bandes d'engagement s'engageant de façon complémentaire, permettant d'accoupler et de désaccoupler une bande avec une autre. Le désaccouplement des bandes permet de mettre le substrat au rebut lorsque c'est nécessaire et de le remplacer par un autre. Ceci élimine le besoin de jeter la truelle entière, avec une économie significative en termes de coût et de commodité. Chaque truelle universelle individuelle peut être utilisée pour le cimentage, le talochage, le sablage d'absorption, de plâtre, de béton, l'application de colle, la pose simplifiée et le raclage.
PCT/CA2008/001472 2007-08-27 2008-08-15 Truelle universelle WO2009026679A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA002598978A CA2598978A1 (fr) 2007-08-27 2007-08-27 Truelle a coulis de ciment
CA2,598,978 2007-08-27
CA002628702A CA2628702A1 (fr) 2007-08-27 2008-04-09 Truelle universelle
CA2,628,702 2008-04-09

Publications (1)

Publication Number Publication Date
WO2009026679A1 true WO2009026679A1 (fr) 2009-03-05

Family

ID=40030432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2008/001472 WO2009026679A1 (fr) 2007-08-27 2008-08-15 Truelle universelle

Country Status (2)

Country Link
CA (2) CA2598978A1 (fr)
WO (1) WO2009026679A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014027177A2 (fr) * 2012-08-17 2014-02-20 Scott Cutters Limited Outil
US9234358B2 (en) 2011-06-30 2016-01-12 Scott Cutters Limited Skimming tool
WO2020249847A1 (fr) * 2019-06-13 2020-12-17 Concria Oy Procédé et agencement pour le traitement de la surface d'un sol

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952028A (en) * 1957-09-26 1960-09-13 Louis G Ernster Trowel and guard therefor
US4316302A (en) * 1980-03-14 1982-02-23 Clark Ronald M Trowel
US4617767A (en) * 1985-01-14 1986-10-21 Ali Frank F Sanding, buffing and polishing tool and parts thereof
US5193244A (en) * 1989-03-09 1993-03-16 Meyers Lawrence G Detachable hand trowel
US5479675A (en) * 1995-03-01 1996-01-02 Pytlewski; Walter W. Hand trowel assembly
US6524175B2 (en) * 1997-06-16 2003-02-25 Donald W. Beaudry Sanding sponge
US7255513B2 (en) * 2004-08-16 2007-08-14 Lampley Leonard A Diamond trowel blade

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952028A (en) * 1957-09-26 1960-09-13 Louis G Ernster Trowel and guard therefor
US4316302A (en) * 1980-03-14 1982-02-23 Clark Ronald M Trowel
US4617767A (en) * 1985-01-14 1986-10-21 Ali Frank F Sanding, buffing and polishing tool and parts thereof
US5193244A (en) * 1989-03-09 1993-03-16 Meyers Lawrence G Detachable hand trowel
US5479675A (en) * 1995-03-01 1996-01-02 Pytlewski; Walter W. Hand trowel assembly
US6524175B2 (en) * 1997-06-16 2003-02-25 Donald W. Beaudry Sanding sponge
US7255513B2 (en) * 2004-08-16 2007-08-14 Lampley Leonard A Diamond trowel blade

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9234358B2 (en) 2011-06-30 2016-01-12 Scott Cutters Limited Skimming tool
WO2014027177A2 (fr) * 2012-08-17 2014-02-20 Scott Cutters Limited Outil
WO2014027177A3 (fr) * 2012-08-17 2014-04-10 Scott Cutters Limited Outil
US9428925B2 (en) 2012-08-17 2016-08-30 Scott Cutters Limited Tool
WO2020249847A1 (fr) * 2019-06-13 2020-12-17 Concria Oy Procédé et agencement pour le traitement de la surface d'un sol

Also Published As

Publication number Publication date
CA2628702A1 (fr) 2008-11-19
CA2598978A1 (fr) 2009-02-27

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