KR100816026B1 - Grinding wheel assembly of dry process abrader - Google Patents

Grinding wheel assembly of dry process abrader Download PDF

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Publication number
KR100816026B1
KR100816026B1 KR1020070003191A KR20070003191A KR100816026B1 KR 100816026 B1 KR100816026 B1 KR 100816026B1 KR 1020070003191 A KR1020070003191 A KR 1020070003191A KR 20070003191 A KR20070003191 A KR 20070003191A KR 100816026 B1 KR100816026 B1 KR 100816026B1
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South Korea
Prior art keywords
polishing
segment
grinding
wheel
support piece
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KR1020070003191A
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Korean (ko)
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허재환
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주식회사 삼아다이아톱
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    • 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
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0007—Movable machines
    • 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
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • 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
    • B24D7/06—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 with inserted abrasive blocks, e.g. segmental
    • B24D7/066—Grinding blocks; their mountings or supports

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A grinding wheel assembly of a dry grinding machine is provided to transmit rotating force of a grinding wheel to a grinding segment during rotation of the grinding wheel by engaging support piece joint grooves formed at the grinding wheel with support pieces formed at the grinding segment. A grinding segment(2) has support pieces(4) at both sides, and a grinding wheel(1) has two support piece joint grooves(5) for insertion of the support pieces of the grinding segment. A Velcro member(3) is formed by attaching a rubber pad to the position between the inner surface of the grinding segment and the support piece joint grooves of the grinding wheel. A groove(6) is formed between inner support piece joint grooves of the grinding wheel such that a user holds the grinding segment with fingers when the grinding segment is separated from the grinding wheel.

Description

건식연마기의 연마휠 어셈블리{Grinding wheel assembly of dry process abrader}Grinding wheel assembly of dry process abrader}

도 1은 본 발명의 전체구성을 보인 사시도1 is a perspective view showing the overall configuration of the present invention

도 2는 본 발명에 의한 요부를 보인 단면도2 is a cross-sectional view showing the main portion according to the present invention.

도 3은 본 발명에 의한 다른 구성을 보인 사시도3 is a perspective view showing another configuration according to the present invention

도 4는 도 3의 요부구성을 보인 단면도4 is a cross-sectional view showing the main configuration of FIG.

도 5는 본 발명의 사용상태를 보인 예시도5 is an exemplary view showing a use state of the present invention

***도면중 주요 부분에 대한 부호의 설명****** Description of the symbols for the main parts of the drawings ***

1: 연마휠 1: polishing wheel

2: 연마 세그먼트 2: polishing segment

3: 벨크로 3: velcro

4: 지지편 4: support piece

5: 지지편결합홈 5: support piece coupling groove

6: 홈 6: home

7: 고무패드 7: rubber pad

본 발명은 건식연마기의 연마휠 어셈블리에 관한 것으로서, 더욱 상세하게는 대리석, 타일, 특히 콘크리트바닥을 연마하는 용도로 사용하는 건식연마기에서 연마휠과 상기 연마휠에 고정설치되는 연마 세그먼트의 결합구조를 사용하기에 편리하도록 구성한 연마휠 어셈블리에 관한 것이다.The present invention relates to an abrasive wheel assembly of a dry grinding machine, and more particularly, to a combination structure of a polishing wheel and a polishing segment fixed to the polishing wheel in a dry polishing machine used for polishing marble, tiles, and concrete floors. A polishing wheel assembly configured to be convenient for use.

주지하는 바와 같이 건물의 콘크리트바닥을 양생한 후, 표면을 매끈하게 가공하기 위하여 건식연마기로 연마작업을 한다.As is well known, after curing the concrete floor of the building, grinding is performed with a dry grinder to smoothly process the surface.

상기와 같은 연마작업을 하는 과정에서 다이아몬드 연마재의 마모에 의해서 교체하거나, 특히 연마작업상 거칠기가 각각 다른 다이아몬드 연마재를 여러 차례 교환하여 사용하는 것이 필수적이다.It is essential to replace the diamond abrasive by abrasion of the diamond abrasive in the polishing operation as described above, or to replace the diamond abrasive having a different roughness in the polishing operation several times.

종래 상기와 같은 연마작업과 다이아몬드 연마재를 교체하기 위한 구성을 갖는 건식연마기의 구조를 개략적으로 살펴보면, 크게 손잡이체와 본체로 구성되고 본체에는 복수개의 연마휠이 회전되게 설치되며, 상기 연마휠에는 콘크리트바닥을 연마하기 위하여 다이아몬드로 구성된 세그먼트가 고정되어 있다.Looking at the structure of a dry grinding machine having a configuration for replacing the conventional abrasive work and diamond abrasive as described above, consisting of a handle body and the main body and a plurality of polishing wheels are installed to rotate the body, the polishing wheel is concrete Segments made of diamond are fixed to polish the floor.

상기와 같이 연마휠에 고정된 다이아몬드 세그먼트는 볼트를 이용하여 연마휠에 일체로 체결한 것이 있었는데, 이러한 경우에는 교환시 볼트를 풀고 조여줘야 하기 때문에 교체작업시 많은 시간이 소요되고, 또한 작업상에 많은 어려움이 있는 등 다수의 문제점들이 있었다.As mentioned above, the diamond segments fixed to the polishing wheels were integrally fastened to the polishing wheels using bolts. In this case, since the bolts must be loosened and tightened at the time of replacement, a large amount of time is required for replacement work. There were a number of problems, including many difficulties.

상기와 같은 문제점을 해결하기 위하여 최근에는 연마휠과 연마 세그먼트에 결합홈과 결합돌기를 형성하여 상호 결착시켜 사용하도록 구성된 것이 있다.In order to solve the above problems, recently, there are those configured to bond with each other by forming coupling grooves and coupling protrusions in the polishing wheel and the polishing segment.

그런데 상기와 같이 결합홈과 결합돌기 만으로 상호 결착시키는 구조를 갖는 경우에는 상호 결합을 용이하게 하기 위하여 결합홈과 결합돌기 사이에 약간의 틈새를 갖도록 할 수밖에 없게 된다.However, in the case of having a structure in which the coupling groove and the coupling protrusion are mutually bound as described above, in order to facilitate mutual coupling, there is no choice but to have a slight gap between the coupling groove and the coupling protrusion.

그러면, 틈새에 의해서 상호 결합력이 약하게 되고, 또 사용하는 과정에서 틈새가 점점 벌려져 상호 유격이 커지게 되므로 연마휠과 연마 세그먼트가 쉽게 분리될 수 있는 단점이 있고, 또한 틈새에 분진이 쌓여서 교체시 연마 세그먼트를 연마휠로부터 분리하는데 어려움이 있는 등 구조적으로 많은 문제점이 있었다.Then, there is a disadvantage in that the mutual bonding force is weakened by the gap, and the gap becomes wider and wider in the process of use, so that the clearance between the abrasive wheel and the abrasive segment can be easily separated, and when dust is accumulated in the gap, There are many structural problems such as difficulty in separating the polishing segments from the polishing wheel.

상기와 같은 문제점을 해결하기 위한 건식연마기의 연마휠 어셈블리는 연마휠과 상기 연마휠에 고정되는 연마 세그먼트의 상호 결합구조를 개량하여 연마 세그먼트를 교체시 보다 신속하고 간편하게 할 수 있도록 함으로써, 연마 세그먼트 교체작업에 따른 편리함을 제공할 수 있도록 하며, 또한 연마휠과 연마 세그먼트 상호간에 유격을 최소화하고 견고한 결합상태를 유지하면서 연마작업을 가능케 함으로써, 연마휠 어셈블리의 품질에 신뢰를 높여 대외 경쟁력을 갖도록 하는데 소기의 목적하는 바가 있다.To solve the above problems, the polishing wheel assembly of the dry polishing machine improves the mutual coupling structure of the polishing wheel and the polishing segment fixed to the polishing wheel, thereby making it quicker and easier to replace the polishing segment, thereby replacing the polishing segment. In addition to providing convenience for the work, and minimizing the clearance between the polishing wheel and the polishing segment and enabling the polishing operation while maintaining a firm coupling state, it is possible to increase the confidence in the quality of the polishing wheel assembly and to make it competitive. There is a purpose.

상기 목적을 달성하기 위한 본 발명의 건식연마기의 연마휠 어셈블리는 크게 연마휠과 연마 세크먼트로 구성되는데, 상호 교체가 용이하고 견고하게 결합되도록 벨크로(일명 메직테이프, 또는 찍찍이 테이프)와 지지편이 일체로 구성된 연마 세그먼트와, 상기 연마 세그먼트를 견고하게 고정하기 위한 벨크로와 지지편결합홈으 로 구성된 연마휠, 그리고 상호 결합시 쿠션기능이 부가되도록 하기 위하여 고무패드를 개입시켜 구성됨을 특징으로 하는 것으로서, 이하 첨부된 도면과 관련하여 상세하게 설명하면 다음과 같다.The polishing wheel assembly of the dry polishing machine of the present invention for achieving the above object is largely composed of a polishing wheel and a polishing segment, Velcro (aka magic tape, or squeegee tape) and the support piece are integrated so that they can be easily interchanged and firmly interchanged. A polishing segment comprising a polishing segment, a polishing wheel comprising a Velcro and a support piece coupling groove for firmly fixing the polishing segment, and a rubber pad to be added to each other when cushioning is provided. It will be described in detail with reference to the accompanying drawings as follows.

도 1은 본 발명의 전체구성을 보인 사시도, 도 2는 본 발명에 의한 요부를 보인 단면도, 도 3은 본 발명에 의한 다른 구성을 보인 사시도, 도 4는 도 3의 요부구성을 보인 단면도, 도 5는 본 발명의 사용상태를 보인 예시도이다.1 is a perspective view showing the overall configuration of the present invention, Figure 2 is a cross-sectional view showing the main part according to the present invention, Figure 3 is a perspective view showing another configuration according to the present invention, Figure 4 is a cross-sectional view showing the main configuration of FIG. 5 is an exemplary view showing a use state of the present invention.

본 발명에 따른 건식연마기의 연마휠 어셈블리는 크게 연마휠(1)과 연마 세그먼트(2)로 구성되는데, 상호 교체가 용이하고 견고하게 결합되도록 벨크로(3)와 지지편(4)이 일체로 구성된 연마 세그먼트(2)와, 상기 연마 세그먼트(2)를 견고하게 고정하기 위한 벨크로(3), 상기 지지편(4)과 대응하는 위치에 지지편결합홈(5)이 형성된 연마휠(1)로 구성된다.The grinding wheel assembly of the dry polishing machine according to the present invention is composed of a grinding wheel (1) and a polishing segment (2), the Velcro (3) and the support piece (4) is integrally configured to be easily interchangeable and firmly interchangeable With the polishing segment 2, the Velcro 3 for firmly fixing the polishing segment 2, and the polishing wheel 1 having the support piece engaging groove 5 formed at a position corresponding to the support piece 4; It is composed.

그리고 연마휠(1)로부터 연마 세그먼트(2)를 분리할 때 손가락으로 연마 세그먼트(2)를 잡을 수 있게 홈(6)이 형성되어 있다.A groove 6 is formed to hold the polishing segment 2 with a finger when separating the polishing segment 2 from the polishing wheel 1.

상기와 같은 기본적인 구성에서 연마 세그먼트(2)에 쿠션이 부가되도록 하기 위하여 고무패드(7)를 개입시켜 벨크로(3)를 연마휠(1)과 연마 세그먼트(2)에 접착하여 구성하였다.In the basic configuration as described above, the Velcro 3 is bonded to the polishing wheel 1 and the polishing segment 2 through the rubber pad 7 so that the cushion is added to the polishing segment 2.

이러한 구성이 본 발명의 핵심이 되며, 연마휠(1)에 연마 세그먼트(2)를 결합하기 위한 벨크로(3)와 지지편(4) 및 지지편결합홈(5)의 형상은 중요하지 않기 때문에 그 형상은 다소 변경될 수 있다.This configuration is the core of the present invention, because the shape of the Velcro 3 and the support piece 4 and the support piece coupling groove 5 for joining the polishing segment 2 to the polishing wheel 1 is not important. The shape can be changed somewhat.

도면의 미설명부호 30은 연마휠을 건식연마기 본체(31)에 고정하기 위한 볼 트공을 표시한 것이다.Reference numeral 30 in the drawing indicates a bolt hole for fixing the polishing wheel to the dry grinding body (31).

이상과 같은 본 발명에 따른 건식연마기의 연마휠 어셈블리에 관한 작용을 상세하게 설명하면 다음과 같다.Referring to the operation of the grinding wheel assembly of the dry grinding machine according to the present invention as described above in detail.

우선, 연마휠(1)을 일반적으로 사용하고 있는 건식 건식연마기의 본체에 볼트공(30)을 통해서 볼트를 체결하여 고정한다.First, the bolt is fixed to the main body of a dry dry polishing machine that generally uses the polishing wheel 1 through a bolt hole 30 to be fixed.

그리고, 연마 세그먼트(2)가 결합된 연마휠(1)을 회전시켜 소정의 연마작업을 실시한다.Then, the polishing wheel 1 to which the polishing segment 2 is coupled is rotated to perform a predetermined polishing operation.

이러한 연마작업을 수행하는 과정에서 연마 세그먼트(2)의 마모 또는 거칠기가 다른 연마 세그먼트(2)로 교체코자하면, 연마휠(1)의 연마 세그먼트 결합부에 형성된 홈(6)부분에 손가락을 넣고 연마 세그먼트(2)를 당겨준다.In the course of performing the polishing operation, if the abrasive segment 2 is to be replaced with the abrasive segment 2 having different wear or roughness, the finger is inserted into the groove 6 formed in the abrasive segment engaging portion of the polishing wheel 1. Pull out the polishing segment (2).

그러면, 연마 세그먼트(2)와 연마휠(1)을 상호 결착되어 있는 벨크로(3)가 서로 분리되고, 또 지지편(4)이 지지편결합홈(5)으로부터 빠져나외 상호 분리된다.Then, the velcro 3, which bonds the polishing segment 2 and the polishing wheel 1 to each other, is separated from each other, and the support piece 4 escapes from the support piece engaging groove 5 and is separated from each other.

이러한 상태에서 작업자가 원하는 거칠기가 다른 연마 세그먼트(2)를 선택하여 상기와 반대로 연마 세그먼트(2)의 지지편(4)을 연마휠(5)에 형성된 지지편결합홈(5)에 끼우고 눌러준다.In this state, the operator selects a polishing segment 2 having a different roughness, and inserts the support piece 4 of the polishing segment 2 into the support piece coupling groove 5 formed in the polishing wheel 5 and presses it in the opposite manner to the above. give.

그러면 연마 세그먼트(2)의 지지편(4)이 연마휠(1)의 지지편결합홈(5)에 상호 결합됨과 동시에 연마 세그먼트(2)와 연마휠(1)에 형성된 벨크로(3)가 상호 결착되면서 고정된다.Then, the support piece 4 of the polishing segment 2 is mutually coupled to the support piece engaging groove 5 of the polishing wheel 1 and at the same time the Velcro 3 formed on the polishing segment 2 and the polishing wheel 1 mutually. It is fixed by binding.

이러한 결합상태에서 콘크리트바닥에 연마작업을 하게 되면, 연마휠(1)과 연마 세그먼트(2)가 일체로 회전을 하게 된다.When the polishing operation is performed on the concrete floor in such a bonded state, the polishing wheel 1 and the polishing segment 2 rotate integrally.

더욱 구체적으로는 연마 세그먼트(2)와 연마휠(1)은 벨크로(3)에 의해서 분리되는 것을 방지하는 작용과 동시에 회전에 의한 상호 비틀림 및 미끄럼 작용에 대한 대응력을 가지게 된다.More specifically, the polishing segment 2 and the polishing wheel 1 have a function of preventing separation by the velcro 3 and at the same time have a corresponding force against mutual twisting and sliding by rotation.

그러나, 이러한 벨크로의 작용만으로는 비틀림 및 미끄럼 작용을 감당하기 어렵지만, 연마휠(1)에 형성된 지지편결합홈(5)에 연마 세그먼트(2)의 지지편(4)이 상호 결합되어 있기 때문에 상호 결합된 작용에 의해서 비틀림 및 미끄럼 작용에 완벽하게 대응하게 된다.However, it is difficult to handle the twisting and sliding action only by the action of the velcro, but the support piece 4 of the polishing segment 2 is mutually coupled to the support piece coupling groove 5 formed in the polishing wheel 1 so as to be mutually coupled. By this action, the torsion and sliding action can be perfectly responded to.

따라서, 건식연마기를 구성하는 연마휠과 연마 세그먼트가 콘크리트바닥을 연마하는 작업을 할 때 상호 견고한 결합상태를 유지하여 소기의 목적하는 연마작업을 완벽하게 수행할 수 있게 된다.Therefore, when the polishing wheel and the polishing segment constituting the dry grinding machine are polished to the concrete floor, they can be firmly coupled to each other to completely perform the desired polishing work.

또한, 연마휠(1)과 연마 세그먼트(2)를 결착시키는 벨크로(3)에 개입된 고무패드(7)에 의해서 연마작업시 바닥으로부터 받는 충격을 고무패드(7)가 완화시켜 건식연마기를 보호하는 작용을 하게 된다.In addition, the rubber pad 7 mitigates the impact from the floor during the polishing operation by the rubber pad 7 intervening in the velcro 3 which binds the polishing wheel 1 and the polishing segment 2 to protect the dry polishing machine. Will act.

이상과 같은 본 발명에 의한 건식연마기의 연마휠 어셈블리에 의하면, 벨크로에 의해서 연마휠과 세그먼트가 상호 분리되지 않고 견고하게 고정되며, 지지편결합홈과 지지편이 상호 결합되어 연마휠이 회전시 그 회전력을 연마 세그먼트에 그데로 전달하여 소정의 연마작업을 할 수 있고, 연마 세그먼트를 연마휠에 착탈시 작업성이 매우 양호하여 사용시 편리함을 제공하게 되며, 또한 고무쿠션에 의해서 연마작업시 바닥으로부터 받는 충격을 완화시켜 건식연마기를 보호하게 되는 등의 효과가 있다.According to the polishing wheel assembly of the dry polishing machine according to the present invention as described above, the polishing wheel and the segment is firmly fixed by the Velcro without being separated from each other, the support piece engaging groove and the support piece are mutually coupled to the rotational force when the polishing wheel is rotated Can be transferred to the polishing segment as it is, and predetermined polishing work can be performed. When attaching and detaching the polishing segment to the polishing wheel, the workability is very good to provide convenience in use. Also, the rubber cushion prevents shock from the floor during polishing work. It is effective in alleviating the effects of dry grinding.

Claims (4)

연마휠(1)에 연마세그먼트(2)들을 결합하기 위하여 연마휠에 지지편결합홈(5)들이 형성되고 연마세그먼트에 지지편(4)을 형성하여 상호 결합되는 건식연마기의 연마휠 어셈블리에 있어서,In the polishing wheel assembly of a dry grinding machine, in which the support piece coupling grooves 5 are formed in the polishing wheel to couple the polishing segments 2 to the polishing wheel 1, and the support pieces 4 are formed in the polishing segment. , 연마세그먼트(2)의 양쪽으로 지지편(4)이 형성되고 상기 연마세그먼트(2)의 지지편(4)이 결합되도록 연마휠(1)에 2개의 지지편결합홈(5)이 형성되며,Two support piece coupling grooves 5 are formed in the polishing wheel 1 so that the support pieces 4 are formed on both sides of the polishing segment 2 and the support pieces 4 of the polishing segments 2 are coupled thereto. 상기 연마세그먼트(2)의 내면과 연마휠(1)의 지지편결합홈(5)사이 대응하는 위치에 연마세그먼트(2)에 쿠션이 부가되고 접착되도록 고무패드(7)를 개입시켜 벨크로(3)를 하며,Velcro (3) through the rubber pad (7) through the rubber pad 7 so that the cushion is attached to the polishing segment (2) and bonded to the corresponding position between the inner surface of the polishing segment (2) and the support piece coupling groove (5) of the polishing wheel (1) ), 상기 연마휠(1)로부터 연마세그먼트(2)를 분리할 때 손가락으로 연마세그먼트(2)를 잡을 수 있게 연마휠의 내측 지지편결합홈(5)사이에 홈(6)이 형성된 것을 특징으로 하는 건식연마기의 연마휠 어셈블리.Characterized in that the grooves 6 are formed between the inner support piece coupling grooves 5 of the polishing wheel so as to hold the polishing segment 2 with a finger when separating the polishing segment 2 from the polishing wheel 1. Grinding wheel assembly for dry grinder. 삭제delete 삭제delete 삭제delete
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KR100987579B1 (en) * 2009-12-14 2010-10-12 (주)성심 Grinding wheel assembly easily attachable and detachable of grinding-tool
KR101004548B1 (en) * 2008-10-09 2011-01-03 김근식 Grinding wheel
WO2011160142A1 (en) * 2010-06-23 2011-12-29 Puchegger U. Beisteiner Parkett Gross U. Einzelhandel Ges.M.B.H. Grinding tool for the simultaneous sanding and polishing of floors
WO2015119392A1 (en) * 2014-02-05 2015-08-13 주식회사 조은에스피에스 Grinding wheel assembly
US9925645B2 (en) 2015-02-02 2018-03-27 Ehwa Diamond Industrial Co., Ltd. Grinding tool
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USD854902S1 (en) 2016-09-23 2019-07-30 Husqvarna Construction Products North America, Inc. Polishing or grinding pad
US10414012B2 (en) 2017-01-13 2019-09-17 Husqvarna Construction Products North America, Inc. Grinding pad apparatus
US10710214B2 (en) 2018-01-11 2020-07-14 Husqvarna Ab Polishing or grinding pad with multilayer reinforcement
RU199108U1 (en) * 2020-05-08 2020-08-17 Дмитрий Васильевич Ленков Mobile plant for grinding and dust extraction equipment
USD919396S1 (en) 2017-08-30 2021-05-18 Husqvarna Ab Polishing or grinding pad assembly with abrasive disks, reinforcement and pad
USD927952S1 (en) 2017-08-30 2021-08-17 Husqvarna Ab Polishing or grinding pad assembly with abrasive disk, spacer, reinforcement and pad
IT202000021739A1 (en) 2020-09-15 2022-03-15 Pola & Massa S R L IMPROVED, EASILY REPLACEABLE ROTARY BRUSH, ESPECIALLY FOR CLEANING PRINTED CIRCUIT PLATES
USD958626S1 (en) 2017-08-30 2022-07-26 Husqvarna Ab Polishing or grinding pad assembly with abrasive disks, reinforcement and pad

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KR101004548B1 (en) * 2008-10-09 2011-01-03 김근식 Grinding wheel
KR100987579B1 (en) * 2009-12-14 2010-10-12 (주)성심 Grinding wheel assembly easily attachable and detachable of grinding-tool
WO2011074773A2 (en) * 2009-12-14 2011-06-23 (주)성심 Grinding wheel assembly for facilitating the attachment and detachment of a grinding tool
WO2011074773A3 (en) * 2009-12-14 2011-11-03 (주)성심 Grinding wheel assembly for facilitating the attachment and detachment of a grinding tool
US9314899B2 (en) 2010-06-23 2016-04-19 Puchegger Jilg Parkett Gross U. Einzelhandels Ges.M.B.H. Grinding tool for the simultaneous sanding and polishing of floors
WO2011160142A1 (en) * 2010-06-23 2011-12-29 Puchegger U. Beisteiner Parkett Gross U. Einzelhandel Ges.M.B.H. Grinding tool for the simultaneous sanding and polishing of floors
WO2015119392A1 (en) * 2014-02-05 2015-08-13 주식회사 조은에스피에스 Grinding wheel assembly
USD837015S1 (en) 2014-06-06 2019-01-01 Husqvarna Construction Products North America, Inc. Polishing pad
USD873108S1 (en) 2014-06-06 2020-01-21 Husqvarna Ab Polishing pad
US9925645B2 (en) 2015-02-02 2018-03-27 Ehwa Diamond Industrial Co., Ltd. Grinding tool
US10667665B2 (en) 2015-09-24 2020-06-02 Husqvarna Ab Method of using polishing or grinding pad assembly
US10244914B2 (en) 2015-09-24 2019-04-02 Husqvarna Construction Products North America, Inc. Polishing or grinding pad assembly
US11084140B2 (en) 2015-09-24 2021-08-10 Husqvarna Ab Method of using polishing or grinding pad assembly
USD854902S1 (en) 2016-09-23 2019-07-30 Husqvarna Construction Products North America, Inc. Polishing or grinding pad
USD933440S1 (en) 2016-09-23 2021-10-19 Husqvarna Ab Polishing or grinding pad
US10414012B2 (en) 2017-01-13 2019-09-17 Husqvarna Construction Products North America, Inc. Grinding pad apparatus
USD919396S1 (en) 2017-08-30 2021-05-18 Husqvarna Ab Polishing or grinding pad assembly with abrasive disks, reinforcement and pad
USD927952S1 (en) 2017-08-30 2021-08-17 Husqvarna Ab Polishing or grinding pad assembly with abrasive disk, spacer, reinforcement and pad
USD958626S1 (en) 2017-08-30 2022-07-26 Husqvarna Ab Polishing or grinding pad assembly with abrasive disks, reinforcement and pad
US10710214B2 (en) 2018-01-11 2020-07-14 Husqvarna Ab Polishing or grinding pad with multilayer reinforcement
RU199108U1 (en) * 2020-05-08 2020-08-17 Дмитрий Васильевич Ленков Mobile plant for grinding and dust extraction equipment
IT202000021739A1 (en) 2020-09-15 2022-03-15 Pola & Massa S R L IMPROVED, EASILY REPLACEABLE ROTARY BRUSH, ESPECIALLY FOR CLEANING PRINTED CIRCUIT PLATES

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