WO2012175790A1 - Arrangement for floor grinding - Google Patents

Arrangement for floor grinding Download PDF

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Publication number
WO2012175790A1
WO2012175790A1 PCT/FI2012/050544 FI2012050544W WO2012175790A1 WO 2012175790 A1 WO2012175790 A1 WO 2012175790A1 FI 2012050544 W FI2012050544 W FI 2012050544W WO 2012175790 A1 WO2012175790 A1 WO 2012175790A1
Authority
WO
WIPO (PCT)
Prior art keywords
instrument
fastening
grinding
floor
arrangement according
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.)
Ceased
Application number
PCT/FI2012/050544
Other languages
French (fr)
Inventor
Mika Ahonen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to RU2014100353A priority Critical patent/RU2607294C2/en
Priority to ES12803271.1T priority patent/ES2603648T3/en
Priority to DK12803271.1T priority patent/DK2723532T3/en
Priority to US14/128,557 priority patent/US9174326B2/en
Priority to AU2012273893A priority patent/AU2012273893B2/en
Priority to EP12803271.1A priority patent/EP2723532B1/en
Priority to CN201280030250.9A priority patent/CN103619541B/en
Priority to CA2836187A priority patent/CA2836187C/en
Publication of WO2012175790A1 publication Critical patent/WO2012175790A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/18—Wheels of special form
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/16—Floor surfacing or polishing machines motor-driven with rotating tools the tools being disc brushes
    • A47L11/164—Parts or details of the brushing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face

Definitions

  • the fastening means according to the invention may advantageously be implemented e.g. as a compound structure entirety made of a elastic/flexible material reaching to the opposite sides of the tool instrument .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The invention relates to an arrangement for floor grinding, which is meant particularly for grinding of a floor with a floor conditioning device, such as a combination machine, floor conditioning machine or like. The arrangement comprises a tool instrument (1) to be used in the floor conditioning device by rotating (w) the same, the instrument being an essentially porous washing, polishing, waxing disk or like for carrying out basic functions of the floor conditioning device, and a grinding instrument (2), such as a diamond disk, to be coupled removably in connection with the tool instrument (1), or several of the kind, being essentially alike and being placed symmetrically in connection with the tool instrument (1). The arrangement comprises fastening means (3) in order to couple the grinding instrument (2) with the tool instrument (1) on the one hand by a fastening frame supported on its front surface and on the other hand by an auxiliary frame supported on its back surface.

Description

Arrangement for floor grinding
The invention relates to an arrangement for floor grinding, which is particularly meant for grinding of a floor with a floor conditioning device, such as a combination machine, floor conditioning machine or like. The arrangement comprises a tool instrument to be used in the floor conditioning device by rotating the same, the instrument being an essentially porous washing, polishing, waxing disk or like for carrying out basic functions of the floor conditioning device, and a grinding instrument, such as a diamond disk, to be coupled removably in connection with the tool instrument, or preferably several of the kind, being essentially alike and being placed symmetrically in connection with the tool instrument.
At present, in the above mentioned context, various floor conditioning devices are being used for conditioning and maintenance of most heterogeneous floor surfaces. Combination machines in this context refer to usually top-driven or pushable conditioning machines with which e.g. washing of the floor with water is possible to be executed in a way that also water can be sucked from the floor with the machine. There may be several rotating disks in this type of a combination machine. On the other hand, e.g. pushable floor conditioning machines that use one rotating disk are also being used.
Furthermore, for more efficient floor grinding e.g. diamond disks that are coupled removably e.g. to the bottom surface of an ordinary washing, polishing or waxing disk used for floor conditioning are known to be exploited in connection with the above mentioned device types. In this way, thanks to the diamond disks attached to the disk, the same also may be used for more efficient floor grinding in addition to basic washing and conditioning procedures. For their part, in use, there are usually structurally two types of diamond disks, ie. metal bond diamond disks and on the other hand plastic bond diamond disks. Furthermore, at present in this context the diamond disks are known to be connected at simplest by e.g. sticker tape attachment to the bottom surface of a porous tool instrument, like e.g. a washing disk, in addition to which today's novelty are diamond disks attached to the washing disk's bottom surface with glue that, however, do not anymore enable the washing disk to be used in its original purpose after removal of a diamond disk glued thereto.
The rotation speed of e.g. so called slow rotation floor conditioning machines varies typically between 150-500 rpm, whereas in so called fast rotation floor conditioning machines the rotation speed may even be above 900 rpm. Therefore coupling the diamond disks only to the bottom surface of the washing disk always imposes a risk, as the diamond disk may dart at a high speed in case the washing disk is worn out, the sticker tape attachment is so to speak pilled or the glueing of the diamond disk fails, therefore imposing a work safety risk in addition to other possible damages caused.
It is an aim of the arrangement for floor grinding according to the present invention to achieve a decisive improvement in the problems described above and thus to raise essentially the level of prior art. In order to carry out this aim, the arrangement according to the invention is mainly characterized by that it comprises fastening means in order to couple the grinding instrument with the tool instrument on the one hand by a fastening frame supported on its front surface and on the other hand by an auxiliary frame supported on its back surface.
As the most important advantages of the arrangement according to the invention are the simplicity and efficiency of the structures related thereto and use thereof, thanks to one or more grinding instruments, such as diamond disks, being couplable for use in a fast and reliable manner thanks to two-sided fastening thereof to the tool instrument without the risk of e.g. inadvertent detachment of a diamond disk during grinding. The fastening means according to the invention may advantageously be implemented e.g. as a compound structure entirety made of a elastic/flexible material reaching to the opposite sides of the tool instrument .
Therefore, thanks to the invention, a grinding instrument, e.g. a diamond disk, suitable for the purpose at any given time may be coupled to e.g. a washing disk in an easily attachable manner and removably without breaking of the washing disk in a way that the disk is as a further advantageous embodiment locked with the washing disk e.g. by anchoring means passing through the disk and/or by retaining means in the opposite attachment and auxiliary frames getting pressed onto the washing disk's outer and inner surfaces. With a coupling of the tool instrument and the grinding instrument/instruments implemented according to the arrangement of the invention, the floor conditioning procedures may be intensified decisively improving work safety at the same time.
Other advantageous embodiments of the arrangement according to the invention have been presented in the dependent claims related thereto. In the following description, the invention is illustrated in detail with reference to the appended drawings , in which in figures la-lc
are shown a bottom view, a cross-section view and an upper view of an advantageous arrangement according to the invention, in figures 2a-2c
are shown views according to figure 1 of another alternative arrangement according to the invention, in figures 3a-3c
are shown views according to figure 1 of third alternative arrangement according the invention, in figures 4a-4c
are shown views according to figure 1 of a fourth alternative arrangement according to the invention, in figures 5a-5c
are furthermore shown views according to figure 1 of a fifth alternative arrangement according to the invention, and furthermore in figures 6a and 6b
is firstly shown coupling of a waxing disk equipped with grinding instruments, being coupled therewith by fastening means according to the invention, to a floor conditioning device's pull platform, and on the other hand there is shown usage of the above mentioned combination in floor grinding . The invention relates to an arrangement for floor grinding, which is particularly meant for grinding of a floor with a floor conditioning device, such as a combination machine, floor conditioning machine or like. The arrangement comprises a tool instrument 1 to be used in the floor conditioning device by rotating w the same, the instrument being an essentially porous washing, polishing, waxing disk or like for carrying out basic functions of the floor conditioning device, and a grinding instrument 2, such as a diamond disk, to be coupled removably in connection with the tool instrument 1, or preferably several of the kind, being essentially alike and being placed symmetrically in connection with the tool instrument 1. The arrangement comprises fastening means 3 in order to couple the grinding instrument 2 with the tool instrument 1 on the one hand by a fastening frame 3a supported on its front surface la and on the other hand by an auxiliary frame 3b supported on its back surface lb.
In figure 6a is shown an advantageous embodiment of the arrangement according to the invention, in which a waxing disk 1 equipped with grinding instruments 2, being coupled therewith by fastening means 3 according to the invention, is being coupled with e.g. an ordinary floor conditioning device's pull platform PV, the fastening surface K of which typically comprises hundreds of small spikes. When the waxing disk 1 is pushed against this fastening surface, the tool instrument 1 gets stuck on its place as the spikes on the fastening surface K penetrate the porous waxing disk. After this, the waxing disk equipped with e.g. diamond disks may therefore be used for floor grinding in a way depicted in figure 6b, the disk being rotated w by the floor conditioning device.
The simplest embodiments of the invention are shown in figures la-lc and 2a-2c, in which the fastening means 3 comprise an auxiliary frame 3b attached on the washing disk's back surface lb, the auxiliary frame being directly couplable with the fastening frame 3a arranged in connection with the grinding instrument 2, such as a diamond disk, on the washing disk's front surface .
As an advantageous embodiment of the arrangement according to the invention with reference to the alternative embodiments shown in figures 3a-3c, 4a-4c and 5a-5c, the fastening means 3 belonging thereto comprise a fastening frame 3a that is separate to the grinding instrument 2 and supported on the tool instrument's front surface la and an auxiliary frame 3b supported on the tool instrument's back surface lb.
Furthermore, as an advantageous embodiment particularly with reference to figures la-lc, 2a-2c and 3a-3c, the arrangement also comprises anchoring means 4 for coupling of the grinding instrument 2 and/or the fastening frame 3a removably with the auxiliary frame 3b. In this context it is advantageously also possible to use quick-release principle, such as a snap lock joint or the like.
Furthermore, as an advantageous embodiment particularly with reference to the alternatives shown in figures la- lc and 2a-2c, the auxiliary frame 3b of the fastening means 3 is carried out by a separate part.
Furthermore, as an advantageous embodiment particularly with reference to the alternative embodiments shown in figures la-lc, 2a-2c, 3a-3c, 4a-4c and 5a-5c, the fastening frame 3a of the fastening means 3 and the auxiliary frame 3b are arranged as a built-in entirety that extends on opposite sides of the tool instrument 1. As a further advantageous embodiment, the anchoring means 4 comprise locking pins 4a provided with 'the grinding instrument, the fastening frame and/or the auxiliary frame 2, 3a, 3b in a built-in manner and going through the tool instrument 1, for getting locked with counterpart surfaces 4b existing in an opposite part 3b, 3a, 2.
As a further advantageous embodiment particularly with reference to the alternatives shown in figures 4a-4c and 5a-5c, the grinding instrument 2, the fastening frame 3a and/or the auxiliary frame 3b is/are provided with retaining means 5 that protrude inside the tool instrument 1 through its front and/or back surface la, lb.
As a further advantageous embodiment particularly with reference to the alternatives shown in figures 3a-3c, 4a-4c and 5a-5c, the fastening frame 3a of the fastening means 3 is provided with means 6 for fastening of the grinding instrument 2 to the same chemically, such as by glueing, mechanically, such as by sticker gripping or snap lock jointing, melting, such as by welding, and/or in a corresponding manner.
Particularly in the advantageous embodiments shown in figures 3a-3c, 4a-4c and 5a-5c, the fastening means 3 are arranged as a built-in entirety extending on opposite sides of the tool instrument 1 and being manufactured from elastic/flexible material, wherein the fastening and the auxiliary frames 3a, 3b positioned against the front and back surfaces la, lb of the tool instrument, are provided as a furthermore advantageous embodiment with e.g. retaining means 5 extending inside the tool instrument.
Furthermore, in the advantageous embodiment shown in figures 5a-5c, the fastening frame 3a of the fastening means 3 is provided with an opening A at a corresponding point as the auxiliary frame 3b, when viewed in a direction of height h perpendicular to a plane defined by the tool instrument 1. In this manner minimizing of the amount of material needed for manufacturing the fastening means is enabled.
It is clear that the invention is not limited to the embodiments shown or described above, but it can be modified within the basic idea of the invention in very many ways, e.g. by combining the embodiments shown in the appended figures together etc. Also the types of implementations that are mentioned above may be executed structurally in different ways regarding structure or appearance thereof etc. than what is described above. The part entireties of the arrangement according to the invention may in addition be manufactured from a variety of materials, exploiting a variety of manufacturing techniques using plastic, ceramic, composite, carbon fibre materials or the like, without forgetting metal structures, such as light alloy implementations .

Claims

Claims :
1. Arrangement for floor grinding, which is particularly meant for grinding of a floor with a floor conditioning device, such as a combination machine, floor conditioning machine or like, whereby the arrangement comprises a tool instrument (1) to be used in the floor conditioning device by rotating (w) the same, the instrument being an essentially porous washing, polishing, waxing disk or like for carrying out basic functions of the floor conditioning device, and a grinding instrument (2) , such as a diamond disk, to be coupled removably in connection with the tool instrument (1) , or preferably several of the kind, being essentially alike and being placed symmetrically in connection with the tool instrument (1) , characterized in that the arrangement comprises fastening means (3) in order to couple the grinding instrument (2) with the tool instrument (1) on the one hand by a fastening frame (3a) supported on its front surface (la) and on the other hand by an auxiliary frame (3b) supported on its back surface (lb) .
2. Arrangement according to claim 1, characterized in that, it comprises anchoring means (4) for coupling of the grinding instrument (2) and/or the fastening frame (3a) removably with the auxiliary frame (3b).
3. Arrangement according to claim 2, characterized in that, the anchoring means (4) are arranged to be locked on quick-release principle, such as by a snap lock joint, or correspondingly.
4. Arrangement according to any of the preceding claims 1-3, characterized in that auxiliary frame (3b) of the fastening means (3) is carried out by a separate part .
5. Arrangement according to any of the preceding claims 1-3, characterized in that, the fastening frame (3a) of the fastening means (3) and the auxiliary frame (3b) are arranged as a built-in entirety that extends on opposite sides of the tool instrument (1) .
6. Arrangement according to any of the preceding claims 2-5, characterized in that, the anchoring means (4) comprise locking means (4a) provided with the grinding instrument, the fastening frame and/or the auxiliary frame (2, 3a, 3b) in a built-in manner and going through the tool instrument (1) , for getting locked with counterpart means (4b) existing in an opposite part (3b, 3a, 2).
7. Arrangement according to any of the preceding claims 1-6, characterized in that, the grinding instrument (2) , the fastening frame (3a) and/or the auxiliary frame (3b) is/are provided with retaining means (5) that protrude inside the tool instrument (1) through its front and/or back surface (la, lb) .
8. Arrangement according to any of the preceding claims 1-7, characterized in that, the fastening frame (3a) of the fastening means (3) is provided with means (6) for fastening of the grinding instrument (2) to the same chemically, such as by glueing, mechanically, such as by sticker gripping or snap lock jointing, melting, such as by welding, and/or in a corresponding manner.
9. Arrangement according to any of the preceding claims 1-8, characterized in that, the fastening means (3) are arranged as a built-in entirety extending on opposite sides of the tool instrument (1) and being manufactured from elastic/flexible material, wherein the fastening and the auxiliary frames (3a, 3b) positioned against the front and back surfaces (la, lb) of the tool instrument, are provided with retaining means (5) preferably extending inside the tool instrument .
10. Arrangement according to claim 9, characterized in that, the fastening frame (3a) of the fastening means (3) is provided with an opening (A) at a corresponding point as the auxiliary frame (3b) , when viewed in a direction of height (h) perpendicular to a plane defined by the tool instrument (1) .
PCT/FI2012/050544 2011-06-23 2012-06-01 Arrangement for floor grinding Ceased WO2012175790A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
RU2014100353A RU2607294C2 (en) 2011-06-23 2012-06-01 Floor grinding plant
ES12803271.1T ES2603648T3 (en) 2011-06-23 2012-06-01 Ground polishing device
DK12803271.1T DK2723532T3 (en) 2011-06-23 2012-06-01 ACCOMMODATION Gulvafslibning
US14/128,557 US9174326B2 (en) 2011-06-23 2012-06-01 Arrangement for floor grinding
AU2012273893A AU2012273893B2 (en) 2011-06-23 2012-06-01 Arrangement for floor grinding
EP12803271.1A EP2723532B1 (en) 2011-06-23 2012-06-01 Arrangement for floor grinding
CN201280030250.9A CN103619541B (en) 2011-06-23 2012-06-01 Equipment for floor sanding
CA2836187A CA2836187C (en) 2011-06-23 2012-06-01 Arrangement for floor grinding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20115647A FI20115647A0 (en) 2011-06-23 2011-06-23 ARRANGEMENTS FOR GRINDING THE FLOOR
FI20115647 2011-06-23

Publications (1)

Publication Number Publication Date
WO2012175790A1 true WO2012175790A1 (en) 2012-12-27

Family

ID=44206856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2012/050544 Ceased WO2012175790A1 (en) 2011-06-23 2012-06-01 Arrangement for floor grinding

Country Status (11)

Country Link
US (1) US9174326B2 (en)
EP (1) EP2723532B1 (en)
CN (1) CN103619541B (en)
AU (1) AU2012273893B2 (en)
CA (1) CA2836187C (en)
DK (2) DK2723532T3 (en)
ES (1) ES2603648T3 (en)
FI (1) FI20115647A0 (en)
PL (1) PL2723532T3 (en)
RU (1) RU2607294C2 (en)
WO (1) WO2012175790A1 (en)

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USD927952S1 (en) 2017-08-30 2021-08-17 Husqvarna Ab Polishing or grinding pad assembly with abrasive disk, spacer, reinforcement and pad
AU201810919S (en) 2017-08-30 2018-04-13 Husqvarna Construction Products North America Polishing or grinding pad assembly with abrasive discs reinforcement and pad
WO2019073445A1 (en) * 2017-10-13 2019-04-18 Beco Holding Limited A polishing system and a polishing tool comprising said polishing system
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Also Published As

Publication number Publication date
US9174326B2 (en) 2015-11-03
FI20115647A0 (en) 2011-06-23
US20140227950A1 (en) 2014-08-14
DK201400146U1 (en) 2014-11-14
ES2603648T3 (en) 2017-02-28
AU2012273893B2 (en) 2017-02-23
EP2723532A1 (en) 2014-04-30
PL2723532T3 (en) 2017-03-31
DK2723532T3 (en) 2017-01-09
CN103619541B (en) 2016-11-02
RU2607294C2 (en) 2017-01-10
DK201400146Y4 (en) 2015-02-13
CA2836187C (en) 2019-08-06
RU2014100353A (en) 2015-07-27
CN103619541A (en) 2014-03-05
EP2723532B1 (en) 2016-09-14
EP2723532A4 (en) 2016-04-13
CA2836187A1 (en) 2012-12-27

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