WO2004059128A1 - Schrämwerkzeug - Google Patents
Schrämwerkzeug Download PDFInfo
- Publication number
- WO2004059128A1 WO2004059128A1 PCT/EP2003/011288 EP0311288W WO2004059128A1 WO 2004059128 A1 WO2004059128 A1 WO 2004059128A1 EP 0311288 W EP0311288 W EP 0311288W WO 2004059128 A1 WO2004059128 A1 WO 2004059128A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing element
- plug
- base part
- cutting tool
- chisel holder
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 239000004033 plastic Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 239000004575 stone Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000003801 milling Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003031 santoprene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
- A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/191—Means for fixing picks or holders for fixing holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T82/00—Turning
- Y10T82/25—Lathe
- Y10T82/2585—Tool rest
- Y10T82/2589—Quick release tool or holder clamp
Definitions
- the invention relates to a cutting tool of a cutting machine which has a base part and a chisel holder, the chisel holder being provided with a plug-in attachment which is held in a plug-in receptacle of the base part, and the plug-in receptacle is spatially connected to the surroundings via one or more openings ,
- Cutting tool contains a chisel holder and a base part, which is attached to a cylindrical cutting body of a cutting machine.
- Attachment of the chisel holder to the base part has a plug receptacle a prism guide into which a plug-in attachment of the chisel holder can be inserted.
- the chisel holder is fixed with the help of a pressure screw. The exact positioning of the chisel holder is particularly important in the case of repeated assembly / disassembly and replacement.
- the base part has a stop on which the bit holder is supported. So that the effect of the stop is retained and a load on the plug-in attachment and the plug-in receptacle is largely avoided, the bit holder is arranged in the area around the plug-in receptacle at a distance from a repositioning space.
- This object is achieved in that at least one of the openings is closed at least in regions with a sealing element.
- the sealing element protects the transition region of the plug receptacle formed between the plug-in attachment and the base part. It prevents the penetration of debris and water in a simple and effective way
- Plug receptacle When the bit holder has reached its wear state, it can be pulled out of the plug-in holder. The receiving space formed by the plug-in receptacle remains uncontaminated or essentially free from contamination. A new chisel holder can then be precisely positioned and fastened in a short amount of time.
- the sealing element thus forms a simple component which allows an effective tool change and at the same time significantly increases the service life of the base part.
- the sealing element can also be formed by a layer of fat. Depending on the shape and arrangement of the sealing element, the tool holder can be positioned in a reproducible and precise manner.
- the sealing element between the bit holder and the base part is arranged at least in regions around the plug receptacle. This protects an area through which massive impurities can often penetrate.
- a particularly good seal is achieved in that the sealing element is designed as a molded part which has the contour of the circumference of the plug-in attachment of the bit holder. Furthermore, the design is particularly easy to assemble, since the sealing element for mounting can be placed on the plug-in attachment of the bit holder and then used together with the bit holder in the base part.
- the base part has a circumferential chamfer around the plug-in receptacle, which serves as a seat for the sealing element, ensures that the sealing element sits immovably during operation. Furthermore, the chamfer offers the space into which the sealing element is pressed in during assembly without being destroyed. This achieves an optimal sealing effect.
- a permanent sealing of the area to be protected is achieved in that the sealing element consists of a permanently elastic material, preferably of silicone or of a thermoplastic elastomer.
- a preferred embodiment provides that the chisel holder rests against the stop of the base part with its stop, that the base part has a shoulder that is at an angle to the stop that between the shoulder of the base part and the side of the bit holder facing the shoulder
- the sealing element being shaped in this way is that it bridges that gap. This ensures that no rock powder and water can penetrate the plug-in receptacle via the add-on space.
- a particularly easy assembly and reliable sealing effect is achieved in that the sealing element is angled according to the angle between the shoulder and the stop of the base part.
- a good sealing of the different gap widths in the area of the stop and the repositioning space can be achieved in that the sealing element has a section with an O-shaped cross section, which at least in some areas rests against the stop of the base part and has a section that is angled against the latter Heel of the base part rests and has a thickened cross section that bridges the distance at least in regions.
- An advantageous embodiment of the invention provides that the angled section has a wedge-shaped sealing lip which is adapted to the shape of the repositioning space. This compensates for unevenness and manufacturing tolerances on the tool holder and base part.
- the sealing element is designed as an injection molded part and the sprue nose is arranged in the region of the cross section which is thickened in accordance with the distance. This ensures that the sprue nose does not impair the sealing effect of the sealing element.
- the chisel holder can be easily and precisely fitted into the base part by pulling the sealing element as a separate plastic component onto the plug-in attachment or by spraying the sealing element onto the plug-in attachment as a plastic component.
- a preferred embodiment of the invention provides that the chisel holder for the cutting tool is provided with a plug-in attachment molded onto a base body, and the plug-in attachment has a sealing element which surrounds the plug-in attachment at least in regions on its outer circumference. This ensures that the chisel holder with the plug-in attachment and the sealing element are preformed as a structural unit, stored as a unit and can be installed quickly and inexpensively as a spare part.
- Fig. 1 in the partially assembled state a cutting tool with an interchangeable chisel holder in side view and in section
- Fig. 2 shows the cutting tool of FIG. 1 with the bit holder inserted in side view and in section
- 3a shows a sealing element in plan view
- FIG. 3b shows the sealing element according to FIG. 3a in a side view
- the cutting tool (1) in Fig. 1 consists of a base part (20) in which an interchangeable bit holder (10) can be used. Furthermore, the cutting tool (1) has a sealing element (30) and a pressure screw (40) which is used to fix the bit holder (10) in the base part (20).
- the chisel holder (10) consists of a base body (17) and has at its lower end a plug-in projection (15) which can be inserted into a corresponding plug-in receptacle (22) on the base part (20).
- the insertion movement of the chisel holder (10) into the base part (20) is limited in its rear area by a stop (11) on the chisel holder (10) and by a stop (24) on the base part (20) opposite this.
- the plug-in attachment (15) has at least one guide surface (15.1) on its front edge, which is guided by a corresponding prismatic guide (22.1) in the plug-in receptacle (22) when the bit holder (10) is inserted.
- the chisel holder (10) also has a chisel holder (12) into which a likewise easily exchangeable turning tool can be inserted.
- the longitudinal axis of the chisel holder (12) forms an acute angle to the axis of the plug-in attachment (15).
- a sealing element (30) is fitted onto the plug-in projection (15), the contour of which is adapted to the prism-shaped cross section of the plug-in receptacle (15) with its guide surfaces (15.1).
- the sealing element (30) can be angled according to the angle between the shoulder (21) and the stop (24) of the base part (20).
- the sealing element (30) has an O-shaped cross-section (31) in the area of the stop (24) and a cross-section that is thickened in the area of the shoulder (21). This area is preferably designed as a wedge-shaped sealing lip (34).
- the base part In the area around the plug-in receptacle (22), the base part is provided with a chamfer (23) which runs around the plug-in receptacle (22) and serves as a seat for the sealing element (30).
- Fig. 2 shows the same cutting tool from Fig. 1 in section after the
- the pressure screw (40) which is preferably designed as a grub screw, acts
- the sealing element (30) bridges the distance (16) due to its cross-section thickened in this area and the simultaneous design as a wedge-shaped sealing lip (34), which likewise achieves an optimal sealing effect. This ensures that no overburden particles can penetrate into the area of the plug receptacle. This facilitates the exchange of the chisel holder (10). At the same time, this arrangement ensures that no water with overburden particles can penetrate into the region of the pin (42) and the pressure surface (14) of the plug-in attachment (15).
- 3a and 3b show an embodiment of the sealing element (30) in top view and in side view.
- the sealing element (30) is designed as a molded part which has the contour of the circumference of the plug-in projection (15) of the bit holder (10). Corresponding to the angle between the shoulder (21) and the stop (24) of the base part (20), the sealing element (30) is angled, the sealing element (30) having at least one section with an O-shaped cross section (31) on the Stop (24) of the base part (20) abuts.
- the angled section (32), which bears against the shoulder (21) of the base part (20), has a cross section which is thickened in accordance with the distance (16).
- An angled section (32) designed as a wedge-shaped sealing lip (34) increases the sealing effect.
- the sealing element (30) is made of permanently elastic material and is preferably designed as an injection molded part. Silicones are used as materials. Examples of this are so-called liquid silicone rubber (LSR), e.g. B. SILOPREN® from GE BAYER Silicones, which can be manufactured using the so-called liquid injection molding (LIM). Thermoplastic elastomers, e.g. B. SANTOPRENE® from ADVANCED ELASTOMER SYSTEMS, which can be processed in the normal injection molding process. The sprue customary in the injection molding process is relocated to the thickened area of the spacing (16) so that the sprue nose (33) does not impair the sealing effect of the sealing element (30).
- LSR liquid silicone rubber
- Thermoplastic elastomers e.g. B. SANTOPRENE® from ADVANCED ELASTOMER SYSTEMS, which can be processed in the normal injection molding process.
- the sprue customary in the injection molding process is relocated
- the sealing element (30) is molded directly onto the molded plug-in attachment (15) of the chisel holder (10) and thereby surrounds the plug-in attachment (15) at least in regions on its outer circumference. It can also be provided that the sealing element (30) is molded directly onto the base part (20) in the area around the plug-in receptacle (22) and surrounds the plug-in receptacle (22) at least in regions on its outer circumference.
- the invention is not limited to the cross-sectional shape of a plug-in attachment (15) shown here. Rather, any other cross-sectional variants are also conceivable, such as round cross-sections or plug-in approaches with a conical shape.
- the plug receptacle (22) in the base part (20) facing away from the chisel holder (10) is open. This opening is connected closed with the connected milling drum tube, not shown in the drawing, by means of a weld connection.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Percussive Tools And Related Accessories (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Gasket Seals (AREA)
- Milling Processes (AREA)
- Lubricants (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Food-Manufacturing Devices (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0317797-1A BR0317797B1 (pt) | 2002-12-27 | 2003-10-11 | Ferramenta de sulcar |
EP03785617A EP1579105B1 (de) | 2002-12-27 | 2003-10-11 | Schrämwerkzeug |
US10/540,805 US7461903B2 (en) | 2002-12-27 | 2003-10-11 | Cutting tool |
AU2003294689A AU2003294689A1 (en) | 2002-12-27 | 2003-10-11 | Cutting tool |
DE50308035T DE50308035D1 (de) | 2002-12-27 | 2003-10-11 | Schrämwerkzeug |
HK05108571A HK1076647A1 (en) | 2002-12-27 | 2005-09-29 | Cutting tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261646A DE10261646B4 (de) | 2002-12-27 | 2002-12-27 | Schrämwerkzeug |
DE10261646.9 | 2002-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004059128A1 true WO2004059128A1 (de) | 2004-07-15 |
Family
ID=32519501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/011288 WO2004059128A1 (de) | 2002-12-27 | 2003-10-11 | Schrämwerkzeug |
Country Status (12)
Country | Link |
---|---|
US (1) | US7461903B2 (de) |
EP (1) | EP1579105B1 (de) |
KR (1) | KR100685320B1 (de) |
CN (1) | CN100532785C (de) |
AT (1) | ATE371095T1 (de) |
AU (1) | AU2003294689A1 (de) |
BR (1) | BR0317797B1 (de) |
DE (3) | DE20221925U1 (de) |
ES (1) | ES2290531T3 (de) |
HK (1) | HK1076647A1 (de) |
RU (1) | RU2304216C2 (de) |
WO (1) | WO2004059128A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7086704B2 (en) * | 2002-05-15 | 2006-08-08 | Wirtgen Gmbh | Fixing device for a shank chisel |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005003734B3 (de) * | 2005-01-26 | 2006-02-16 | Wirtgen Gmbh | Meißelhaltersystem |
US9653601B2 (en) | 2005-07-11 | 2017-05-16 | Peregrine Semiconductor Corporation | Method and apparatus for use in improving linearity of MOSFETs using an accumulated charge sink-harmonic wrinkle reduction |
DE102009059188A1 (de) * | 2009-12-17 | 2011-06-22 | Wirtgen GmbH, 53578 | Meißelhalter und Basisteil |
DE102009059189A1 (de) * | 2009-12-17 | 2011-06-22 | Wirtgen GmbH, 53578 | Meißelhalter und Basisteil zur Aufnahme eines Meißelhalters |
JP5822939B2 (ja) | 2010-12-03 | 2015-11-25 | ヴィルトゲン ゲーエム ベーハーWirtgen Gesellschaft Mit Beschrankter Haftung | チゼルホルダ、並びに当該チゼルホルダ及びベース部を具備するチゼルホルダシステム |
DE102010061019A1 (de) * | 2010-12-03 | 2012-06-06 | Betek Gmbh & Co. Kg | Meißelhalter und Werkzeugunterteil für einen Meißelhalter |
KR101609729B1 (ko) | 2010-12-03 | 2016-04-06 | 비르트겐 게엠베하 | 치즐 홀더 |
EP2646653B1 (de) | 2010-12-03 | 2021-04-28 | Wirtgen GmbH | Meisselhalter |
WO2012072802A2 (de) | 2010-12-03 | 2012-06-07 | Wirtgen Gmbh | MEIßELHALTER UND MEIßELHALTERSYSTEM MIT EINEM MEIßELHALTER UND EINEM BASISTEIL |
USD667854S1 (en) | 2011-04-11 | 2012-09-25 | Betek Gmbh & Co. Kg | Chisel holder |
USD667855S1 (en) | 2011-04-11 | 2012-09-25 | Betek Gmbh & Co. Kg | Base for a chisel holder |
USD671578S1 (en) | 2011-07-04 | 2012-11-27 | Wirtgen Gmbh | Chisel holder |
DE102011051525A1 (de) | 2011-07-04 | 2013-01-10 | Wirtgen Gmbh | Meißelhalter für eine Bodenbearbeitungsmaschine |
US8857917B2 (en) | 2012-12-12 | 2014-10-14 | Kennametal Inc. | Cutting tool mounting assembly |
US9382795B2 (en) | 2012-12-12 | 2016-07-05 | Kennametal Inc. | Cutting tool mounting assembly |
CN108180016B (zh) | 2013-06-18 | 2021-05-18 | 爱斯科集团有限责任公司 | 矿物开采尖头、尖头保持器和组合 |
CN106758694A (zh) * | 2017-01-16 | 2017-05-31 | 徐工集团工程机械有限公司 | 路面冷再生铣拌工具的刀座装置以及冷再生机 |
TWI803397B (zh) * | 2022-07-21 | 2023-05-21 | 施權航 | 電動床 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542942A (en) * | 1982-07-06 | 1985-09-24 | Voest-Alpine Aktiengesellschaft | Bit holder equipped with a spraying device |
US4664450A (en) * | 1983-03-02 | 1987-05-12 | Padley & Venables Limited | Holder for a pick, and the combination of a pick and holder |
WO1998039553A1 (en) * | 1997-03-05 | 1998-09-11 | Bingham Engineering Limited | Pick holder and pick box assembly |
WO1999045238A1 (en) * | 1998-03-03 | 1999-09-10 | Minnovation Limited | Mineral cutting apparatus etc. |
US6113195A (en) * | 1998-10-08 | 2000-09-05 | Sandvik Ab | Rotatable cutting bit and bit washer therefor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2356831A1 (fr) | 1976-06-29 | 1978-01-27 | Metafram | Nouveau type de fixation rapide pour outil demontable |
DE2839292A1 (de) | 1978-09-09 | 1980-03-13 | Elfgen Apex | Fraesmeissel fuer eine fraeseinrichtung, insbesondere zum abfraesen von strassenbelaegen |
GB2055434A (en) * | 1979-07-27 | 1981-03-04 | Hall & Pickles Ltd | A retention seal for mineral cutter picks and boxes |
AT369859B (de) * | 1981-03-12 | 1983-02-10 | Voest Alpine Ag | Einrichtung zum kuehlen der meissel einer schraemmaschine |
DE3411602A1 (de) | 1982-11-13 | 1985-10-03 | Peters, Albert, 4000 Düsseldorf | Gewinnungseinrichtung mit dreh-kippmeissel und abgedichteter meisseltasche |
DE3300168A1 (de) | 1983-01-05 | 1984-07-05 | Elfgen-Apex GmbH, 5047 Wesseling | Fraesmeisselhalter fuer fraes- und teilschnittmaschinen |
DE9211739U1 (de) | 1992-09-01 | 1992-11-05 | Betek Bergbau- und Hartmetalltechnik Karl-Heinz Simon GmbH & Co KG, 7234 Aichhalden | Walzenförmiger Schneidkörper für eine Schrämmaschine |
DE4322401C2 (de) * | 1993-07-06 | 1996-06-20 | Betek Bergbau & Hartmetall | Befestigung eines Schrämwerkzeugs an einem Schrämkörper |
US5725283A (en) * | 1996-04-16 | 1998-03-10 | Joy Mm Delaware, Inc. | Apparatus for holding a cutting bit |
-
2002
- 2002-12-27 DE DE20221925U patent/DE20221925U1/de not_active Expired - Lifetime
- 2002-12-27 DE DE10261646A patent/DE10261646B4/de not_active Expired - Lifetime
-
2003
- 2003-10-11 US US10/540,805 patent/US7461903B2/en not_active Expired - Lifetime
- 2003-10-11 CN CNB2003801077814A patent/CN100532785C/zh not_active Expired - Lifetime
- 2003-10-11 ES ES03785617T patent/ES2290531T3/es not_active Expired - Lifetime
- 2003-10-11 AT AT03785617T patent/ATE371095T1/de active
- 2003-10-11 BR BRPI0317797-1A patent/BR0317797B1/pt not_active IP Right Cessation
- 2003-10-11 WO PCT/EP2003/011288 patent/WO2004059128A1/de active IP Right Grant
- 2003-10-11 AU AU2003294689A patent/AU2003294689A1/en not_active Abandoned
- 2003-10-11 RU RU2005123819/03A patent/RU2304216C2/ru not_active IP Right Cessation
- 2003-10-11 EP EP03785617A patent/EP1579105B1/de not_active Expired - Lifetime
- 2003-10-11 DE DE50308035T patent/DE50308035D1/de not_active Expired - Lifetime
- 2003-10-11 KR KR1020057011967A patent/KR100685320B1/ko active IP Right Grant
-
2005
- 2005-09-29 HK HK05108571A patent/HK1076647A1/xx not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4542942A (en) * | 1982-07-06 | 1985-09-24 | Voest-Alpine Aktiengesellschaft | Bit holder equipped with a spraying device |
US4664450A (en) * | 1983-03-02 | 1987-05-12 | Padley & Venables Limited | Holder for a pick, and the combination of a pick and holder |
WO1998039553A1 (en) * | 1997-03-05 | 1998-09-11 | Bingham Engineering Limited | Pick holder and pick box assembly |
WO1999045238A1 (en) * | 1998-03-03 | 1999-09-10 | Minnovation Limited | Mineral cutting apparatus etc. |
US6113195A (en) * | 1998-10-08 | 2000-09-05 | Sandvik Ab | Rotatable cutting bit and bit washer therefor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7086704B2 (en) * | 2002-05-15 | 2006-08-08 | Wirtgen Gmbh | Fixing device for a shank chisel |
Also Published As
Publication number | Publication date |
---|---|
DE50308035D1 (de) | 2007-10-04 |
ATE371095T1 (de) | 2007-09-15 |
KR100685320B1 (ko) | 2007-02-22 |
US20060130342A1 (en) | 2006-06-22 |
HK1076647A1 (en) | 2006-01-20 |
CN1732327A (zh) | 2006-02-08 |
ES2290531T3 (es) | 2008-02-16 |
BR0317797B1 (pt) | 2014-06-24 |
RU2304216C2 (ru) | 2007-08-10 |
RU2005123819A (ru) | 2006-03-10 |
EP1579105B1 (de) | 2007-08-22 |
BR0317797A (pt) | 2005-11-22 |
US7461903B2 (en) | 2008-12-09 |
EP1579105A1 (de) | 2005-09-28 |
DE20221925U1 (de) | 2009-05-20 |
DE10261646A1 (de) | 2004-07-22 |
DE10261646B4 (de) | 2010-02-25 |
CN100532785C (zh) | 2009-08-26 |
KR20050091022A (ko) | 2005-09-14 |
AU2003294689A1 (en) | 2004-07-22 |
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