WO2012089609A1 - Dispositif de ponçage - Google Patents

Dispositif de ponçage Download PDF

Info

Publication number
WO2012089609A1
WO2012089609A1 PCT/EP2011/073752 EP2011073752W WO2012089609A1 WO 2012089609 A1 WO2012089609 A1 WO 2012089609A1 EP 2011073752 W EP2011073752 W EP 2011073752W WO 2012089609 A1 WO2012089609 A1 WO 2012089609A1
Authority
WO
WIPO (PCT)
Prior art keywords
abrasive cloth
sanding device
core
pieces
sanding
Prior art date
Application number
PCT/EP2011/073752
Other languages
English (en)
Inventor
Nina Himmer
Original Assignee
Amanda Patent & Licensing Sia
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 Amanda Patent & Licensing Sia filed Critical Amanda Patent & Licensing Sia
Priority to EP11805506.0A priority Critical patent/EP2658686A1/fr
Priority to RU2013135412/02A priority patent/RU2013135412A/ru
Priority to US13/997,817 priority patent/US20130344782A1/en
Publication of WO2012089609A1 publication Critical patent/WO2012089609A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/003—Wheels having flaps of flexible abrasive material supported by a flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/04—Rigid drums for carrying flexible material
    • 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
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/04—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis
    • B24D13/045—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising a plurality of flaps or strips arranged around the axis comprising flaps not covering the entire periphery of the wheel
    • 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
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/06—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery the flaps or strips being individually attached
    • 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
    • B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
    • B24D9/08—Circular back-plates for carrying flexible material

Definitions

  • the invention relates to a device for performing sanding operations, the sanding device comprising: a core having a surface; a plurality of bristles being secured to said core and extending from said surface; and a plurality of pieces of abrasive cloth extending from the surface.
  • Sanding devices are used among others within the woodworking, metal, plastic and furniture industries and may be used for surface treatment or sanding of plane and curved surfaces for providing smooth surfaces.
  • Sanding devices usually comprise a combination of brushes and sanding means. The function of the brushes is to ensure a certain application pressure between the sanding means and the items to be sanded.
  • US Patent application No. 2003/0092370 discloses a sanding strip for use with a sanding wheel.
  • the sanding strips are anchored in undercut grooves in a sanding wheel thereby comprising a sanding device.
  • the disclosed sanding strip comprises a profiled rail wherein a line of bracing elements or brushes is secured. Sanding means are secured to one side of the line of brushes by means of glue.
  • the present invention seeks to provide an improved sanding device wherein the properties of the core may be customized according to specific requirements for the sanding device.
  • the device comprising a core having a surface; a plurality of bristles being secured to the core and extending from the surface; a plurality of pieces of abrasive cloth extending from the surface; wherein the core is made from a material comprising a filler material and a binding material.
  • the core may be solid or it may be a cylindrical shell.
  • the properties of the core material may be varied according to the specific construction of the sanding device.
  • the core may be of lighter weight, less expensive to produce, easier to dispose of, etc.
  • the core may also be designed in accordance with means for securing bristles and/or pieces of abrasive cloth to the core.
  • the filler material comprises a recycled material.
  • the sanding device, particularly the core may be less expensive to produce, and the sanding device may de disposed of in an environmental-friendly way.
  • the pieces of abrasive cloth are secured to the surface by use of staples extending through the abrasive cloth and into the core.
  • staples may be the only means for securing the pieces of abrasive cloth; alternatively the staples may be used in combination with glue for securing the pieces of abrasive cloth while the glue is curing. Velcro tape may also be used.
  • reinforcement strips are arranged on top of the pieces of abrasive cloth, and the staples extend through the reinforcement strip, the abrasive cloth and into the core.
  • the pieces of abrasive cloth are secured to the surface or to the bristles by use of glue.
  • staples may be applied only for securing the abrasive cloth during curing of the glue. If staples are use in a combination with glue, the construction may be strengthened, tear of the abrasive cloth may be prevented, and the number of staples may be reduced.
  • the abrasive cloth is secured to the sanding device 1 by gluing and/or stapling of the abrasive cloth to the bristles. In this embodiment, the abrasive cloth need not be secured to the surface of the cylindrical core.
  • the core comprises grooves adapted to receive and secure pieces of abrasive cloth and bristles.
  • the abrasive cloth and/or bristles may be arranged in fastening strips adapted to be inserted in the grooves.
  • a fastening strip may comprise several bristles or pieces of abrasive cloth arranged side by side. By utilizing fastening strips, the abrasive cloth and/or bristles may be changed faster.
  • the sanding device comprises different pieces of abrasive cloth with different grit sizes.
  • the sanding device has one grit size when it is rotated in one direction and another or the same grit size when it is rotated in the opposite direction.
  • a single layer of abrasive paper it is an option according to one embodiment that two or more layers of abrasive paper are provided, like a sandwich. When the outermost layer is worn, the layer behind will overtake the sanding.
  • several rows of bristles may also be provided between two pieces or two sandwiches of abrasive paper, to the effect that two or three bristles, seen in the peripheral direction, support the abrasive paper.
  • Figs 1a, b, c illustrate different ways of securing abrasive cloth to a sanding device.
  • Figs 2a, b are perspective views of cylindrical cores with differently arranged holes.
  • Fig. 3 is a perspective view of a cylindrical core with holes and only one row of extending bristles.
  • Fig. 4 is a perspective view of a cylindrical core with only one section of abrasive cloth secured to the surface of the core.
  • Fig. 5 illustrates end pieces for the sanding device.
  • Fig. 6 illustrates a disc-shaped sanding device according to one embodiment of the invention.
  • the cylindrical core 10 has a surface 20 with a plurality of holes 21.
  • the cylindrical core 10 is hollow with an appropriate wall thickness.
  • the cylindrical core may be manufactured from a material comprising a filler material and a binding material.
  • the filler material may be paper, recycled paper, paperboard, fibreboard, cardboard, wood chips, plastic, recycled material, etc., but is not limited hereto.
  • the filler material may have many different configurations such as, but not limited to, granulate, chips, sheets, layers, film, etc.
  • the binding material may be some kind of glue, such as polyvinyl acetate glue, but not limited hereto, preferably chosen in accordance with other constructional parameters of the sanding device 1 as described below.
  • a plurality of bristles 12 are arranged in the holes 21 and secured therein, preferably by staples and/or glue.
  • the bristles 12 may be arranged in different patterns along the cylindrical core 10, preferably in straight lines parallel to an axis of rotation 22 or in lines twisting around the cylindrical core 10 creating a spiral-like pattern.
  • the axis of rotation 22 is defined as a line in space extending through the centre of the cylindrical core 10 in the longitudinal direction.
  • the bristles 12 extend substantially radially from the surface 20 of the core 10. Referring to fig. 1a, sections of abrasive cloth 11 are arranged between the bristles 12.
  • the abrasive cloth 11 is in the form of bent, elongated pieces of cloth secured to the surface of the core 10 by fastening means 13 such as, but not limited to, staples. Staples 13 are placed along a middle section of the abrasive cloth 1 in the longitudinal direction.
  • the abrasive cloth 11 thus has a shape resembling a U with the staples placed in the bottom part.
  • fig. 1 b an embodiment of the inventions is shown where the abrasive cloth 11 is secured to the surface of the cylindrical core 10 by staples arranged along a longitudinal edges of the pieces of abrasive cloth 11.
  • fig. 1 b an embodiment of the inventions is shown where the abrasive cloth 11 is secured to the surface of the cylindrical core 10 by staples arranged along a longitudinal edges of the pieces of abrasive cloth 11.
  • two pieces of abrasive cloth 1 are secured to the surface of the cylindrical core 10 by staples arranged in an overlapping section between the two pieces of abrasive cloth 11.
  • a sanding device 1 with abrasive cloth having different grit sizes.
  • the sanding device has one grit size when it is rotated in one direction and another grit size when it is rotated in the opposite direction.
  • the abrasive cloth 11 extends substantially radially from the surface of the cylindrical core 10 and may be in abutment with the bristles.
  • a reinforcement strip e.g. a piece of cardboard
  • the pieces of abrasive cloth 11 may be secured to the surface for the core 10 using some kind of Velcro. By having mating pieces of Velcro on the pieces of abrasive cloth 11 and the core 10, respectively, the abrasive cloth 11 may be removably secured to the core 10.
  • the cylindrical core described above may be used in many different types of sanding devices.
  • Abrasive cloth and/or bristles may alternatively be secured in grooves in the core 10.
  • the abrasive cloth and/or bristles may be arranged in fastening strips adapted to be inserted in the grooves.
  • a fastening strip may comprise several bristles 12 or pieces of abrasive cloth 1 arranged side by side. Fastening strips are widely used in known sanding devices.
  • the binder used in the core material and the staples and/or glue used for securing the abrasive cloth 11 to the core 10 may be chosen in accordance with each other. It is desirable that the hardness and consistency of the core material are suitable for the utilized fastening means.
  • Fig. 5 shows end pieces 30 for the sanding device 1.
  • Different types of end pieces 30 can be mounted on the sanding device 1.
  • the end pieces 30 can be standard end pieces or custom made according to the specific use.
  • the end pieces 30 may preferably have a hole diameter ranging from 5 mm to 80 mm.
  • the end pieces 30 have hexagonal-shaped holes 31.
  • the sanding device 1 may be mounted in a sanding apparatus by inserting a shaft (not shown) through the hexagonal-shaped holes 31 in each of the end pieces 31.
  • the sanding device 1 may be mounted by only inserting a shaft through a hole 31 in one of the end pieces 30.
  • the cylindrical core 10 is substituted with a disc-shaped core 10b having a top surface 20b with a plurality of holes.
  • the plurality of bristles 12 and the pieces of abrasive cloth 11 extend in a direction perpendicular to the top surface 20b of the disc 10b. This direction corresponds to the direction of the axis of rotation of the disc.
  • the bristles 12 and the pieces of abrasive cloth 1 are secured to the disc-shaped core 10b with means similar to the means used for securing bristles and the pieces of abrasive cloth to the cylindrical core.
  • the disc-shaped core may have a shaft 20 extending from the centre of the disc and from a side opposite the top surface.
  • the shaft thus extends in a direction opposite to the bristles and the pieces of abrasive cloth and parallel to the axis of rotation.
  • the shaft may be arranged excentrically and the disc core may be weighted to the effect that the abrasive paper entails an excentric movement.
  • the base plate may be manufactured from a material comprising a filler and a binding material.
  • the filler may be paper, recycled paper, paperboard, fibreboard, cardboard, wood chips, plastic, recycled material, etc., but is not limited hereto.
  • the binding material may be some kind of glue, such as polyvinyl acetate glue, but is not limited hereto.
  • the embodiment comprising as disc-shaped core may be used in both a commercial sanding apparatus and in connection with power tools, such as but not limited to a hand-held drilling machine.
  • the sanding device may be mounted on a drilling machine by connecting the shaft 20 of the sanding device with the drill chuck or other means for securing equipment to a drilling machine.
  • a sanding device 1 is mounted in a sanding apparatus as described above.
  • the sanding device 1 rotates accordingly.
  • the sanding device may be rotated either clockwise, counter-clockwise or a combination of the two.
  • the rotation may be reversed to utilize the opposite side of the abrasive cloth 1 1.
  • the abrasive cloth 11 has been worn sufficiently, either the entire sanding device 1 or only the abrasive cloth 1 1 may be replaced.
  • the abrasive cloth 11 may be replaced by removal of the used abrasive cloth 11 and securing of new pieces of abrasive cloth to the sanding device 1. This may be done by stapling of new pieces of abrasive cloth to the surface of the cylindrical core 10 or by securing of pieces of abrasive cloth to the sanding device 1 according to any one of the above mentioned embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne un dispositif de ponçage (1) permettant de réaliser des opérations de ponçage et comprenant une partie centrale (10) portant une pluralité de poils (12) et une pluralité de pièces de tissu abrasif (11) et au sein de ladite partie centrale (10) étant fabriquées à partir d'un matériau comprenant une matière de charge et un matériau de liaison.
PCT/EP2011/073752 2010-12-27 2011-12-22 Dispositif de ponçage WO2012089609A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11805506.0A EP2658686A1 (fr) 2010-12-27 2011-12-22 Dispositif de ponçage
RU2013135412/02A RU2013135412A (ru) 2010-12-27 2011-12-22 Шлифовальное устройство
US13/997,817 US20130344782A1 (en) 2010-12-27 2011-12-22 Sanding device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201001188 2010-12-27
DKPA201001188 2010-12-27

Publications (1)

Publication Number Publication Date
WO2012089609A1 true WO2012089609A1 (fr) 2012-07-05

Family

ID=45463586

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/073752 WO2012089609A1 (fr) 2010-12-27 2011-12-22 Dispositif de ponçage

Country Status (4)

Country Link
US (1) US20130344782A1 (fr)
EP (1) EP2658686A1 (fr)
RU (1) RU2013135412A (fr)
WO (1) WO2012089609A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104669118A (zh) * 2013-12-02 2015-06-03 苹果公司 溢流冷却液向通心轴冷却液的转换
CN104903051A (zh) * 2012-12-04 2015-09-09 丹麦卡蒂克玛私人有限公司 具有旋转加工单元的工具
WO2018029156A1 (fr) * 2016-08-10 2018-02-15 Robert Bosch Gmbh Ponceuse rotative en forme de cloche

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2013135243A (ru) * 2010-12-27 2015-02-10 Аманда Пэйтент Энд Лайсенсинг Сиа Шлифовальный инструмент

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0447608A1 (fr) * 1990-03-23 1991-09-25 LUKAS-ERZETT VEREINIGTE SCHLEIF - UND FRÄSWERKZEUG-FABRIKEN GmbH & CO. KG Outil abrasif, procédé pour sa fabrication et utilisation d'un matériau spécial À  cet effet
US5695559A (en) * 1994-12-13 1997-12-09 Minnesota Mining And Manufacturing Company Apparatus for coating adhesive onto a core
US20030092370A1 (en) 2000-04-10 2003-05-15 Poul Lundum Sanding strip
DE202006004543U1 (de) * 2006-03-20 2007-07-26 Btd Barteldrees Gmbh & Co. Schleiflamellen für Schleifeinrichtungen u.dgl.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132452A (en) * 1962-02-23 1964-05-12 Merit Products Inc Rotary abrasive device
US3165867A (en) * 1963-02-07 1965-01-19 Ernest E Murray Finishing wheel
US3548550A (en) * 1968-05-23 1970-12-22 Formax Mfg Co Flap wheel
US4251958A (en) * 1979-02-09 1981-02-24 Black & Decker Inc. Surface finishing device
US5301472A (en) * 1991-05-20 1994-04-12 Lyng James W Sanding element and apparatus
US6146498A (en) * 1997-04-30 2000-11-14 Kimberly-Clark Worldwide, Inc. Wound product cores and processes for making them
DK176743B1 (da) * 2003-04-25 2009-06-02 Flex Trim As Slibeskive med sandpapiremner
DK176784B1 (da) * 2003-05-22 2009-08-24 Amanda Patent & Licensing Sia Börstemodul til en slibebörste

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0447608A1 (fr) * 1990-03-23 1991-09-25 LUKAS-ERZETT VEREINIGTE SCHLEIF - UND FRÄSWERKZEUG-FABRIKEN GmbH & CO. KG Outil abrasif, procédé pour sa fabrication et utilisation d'un matériau spécial À  cet effet
US5695559A (en) * 1994-12-13 1997-12-09 Minnesota Mining And Manufacturing Company Apparatus for coating adhesive onto a core
US20030092370A1 (en) 2000-04-10 2003-05-15 Poul Lundum Sanding strip
DE202006004543U1 (de) * 2006-03-20 2007-07-26 Btd Barteldrees Gmbh & Co. Schleiflamellen für Schleifeinrichtungen u.dgl.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104903051A (zh) * 2012-12-04 2015-09-09 丹麦卡蒂克玛私人有限公司 具有旋转加工单元的工具
US20150321319A1 (en) * 2012-12-04 2015-11-12 Kadicma Tool having a rotating processing unit
EP2931474A4 (fr) * 2012-12-04 2016-11-02 Kadicma Aps Outil ayant une unité de traitement rotative
CN104669118A (zh) * 2013-12-02 2015-06-03 苹果公司 溢流冷却液向通心轴冷却液的转换
WO2018029156A1 (fr) * 2016-08-10 2018-02-15 Robert Bosch Gmbh Ponceuse rotative en forme de cloche
US10328545B2 (en) 2016-08-10 2019-06-25 Robert Bosch Tool Corporation Bell shaped rotary sander

Also Published As

Publication number Publication date
EP2658686A1 (fr) 2013-11-06
US20130344782A1 (en) 2013-12-26
RU2013135412A (ru) 2015-02-10

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