WO2004045839A1 - Belt and tread drum - Google Patents
Belt and tread drum Download PDFInfo
- Publication number
- WO2004045839A1 WO2004045839A1 PCT/NL2003/000814 NL0300814W WO2004045839A1 WO 2004045839 A1 WO2004045839 A1 WO 2004045839A1 NL 0300814 W NL0300814 W NL 0300814W WO 2004045839 A1 WO2004045839 A1 WO 2004045839A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drum
- belt
- magnets
- tread
- holders
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/242—Drums for manufacturing substantially cylindrical tyre components without cores or beads, e.g. treads or belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/26—Accessories or details, e.g. membranes, transfer rings
- B29D2030/2671—Holding the layers, e.g. the webs or the plies, in position onto the drum
- B29D2030/2678—Holding the layers, e.g. the webs or the plies, in position onto the drum by using magnets
Definitions
- the invention relates to a belt and tread drum.
- the invention particularly relates to a drum on which a belt layer and a tread layer can be arranged to be shaped into a circumferential whole.
- belt and tread drums that are provided with magnets in order to retain the tyre component on the drum surface by magnetic influence on the metal parts, such as steel wires, incorporated in said tyre component arranged on the drum.
- the drum surface is defined by a series of parallel, elongated support members that are each provided with a number of magnets.
- the support members are separately attached on the drum and at the radial outside provided with elongated recesses, in which the magnets are accommodated with the intermediary of a tray-shaped steel holder.
- the magnet is glued in the holder and the holder is glued in the recess.
- a belt and tread drum particularly for shaping a belt layer and/or tread layer or another tyre component provided with metal parts into a circumferential whole, comprising one or more support members arranged at the circumference of the drum, which are provided with a support surface for the tyre component, wherein the support members comprise magnet sets having magnets for by magnetically attracting the metal parts retaining the tyre component on the support surface, wherein the magnet sets comprise holders for the magnets and are placed from the radial inside in the support members, wherein the drum at the circumferential side comprises first portions that engage over the holders in tangential and/or axial direction of the drum, wherein the drum at the circumferential side comprises second portions that engage over the magnets in tangential and/or axial direction of the drum.
- the magnet sets are arranged in the support members from the inner side that is opposite the support surface. As a result the magnets are stopped in radial outward direction so that they cannot inadvertently get detached from the drum.
- the preferably tray-shaped holders are thus also stopped radially to the outside in a simple and reliable manner.
- first portions and/or second portions of the drum are part of the support surfaces, so that a simple structure is achieved.
- the first portions or the support surfaces extend over the entire surface of the magnets. This does not only result in a further simplified structure, but the support surface is question also provides a support surface that continues over the magnets.
- the support surfaces are formed as one unity with the support members.
- the second portions may, alternatively or additionally to the support surfaces formed by support members, be formed by the holders.
- first and/or second portions of the drum form inclined wedge planes, that cooperate with complementary wedge planes that are formed on the magnet holders and/or magnets, respectively.
- the wedge planes offer a simple and reliable confinement in radial outward direction and have a directional component that is radially oriented to the inside.
- the holders are manufactured of steel, due to which the effectiveness of the magnets is enhanced.
- the invention provides a belt and tread drum, particularly for shaping a belt layer and/or tread layer or another tyre component provided with metal parts into a circumferential whole, comprising one or more support members arranged at the circumference of the drum, which are provided with a support surface for the tyre component, wherein the support members are provided with magnet sets having magnets for by magnetically attracting the metal parts retaining the tyre component on the support surface and with holders for the magnets, wherein the drum at the outer side comprises confining portions that form a unity with the support members, which confining portions confine the magnets and/or the holders in radial outward direction of the drum.
- the holders themselves can also form such confining portions that engage over the magnets in tangential and/or axial direction of the drum.
- the holders can be secured in the support members by means of glue applied from the radial inside.
- the confining portions are formed by wedge planes that cooperate with wedge planes on the magnets and/or the holders.
- the operator can easily see -even with the said continuous support surface- where the magnets are located in the drum and correctly arrange the tyre components.
- the invention provides a belt and tread drum, particularly for shaping a belt layer and/or tread layer or another tyre component provided with metal parts into a circumferential whole, comprising one or more support members arranged at the circumference of the drum, which are provided with a support surface for the tyre component, wherein magnets are accommodated in the support members for by magnetically attracting the metal parts retaining the tyre component on the support surface, wherein the support members comprise portions that are formed as one unity with it that engage over the magnets in tangential and/or axial direction of the drum.
- the magnets are accommodated in holders that are placed from the radial inside in the support members, wherein the support members at the circumferential side comprise portions that engage over the holders and/or over the magnets in tangential and/or axial direction of the drum.
- the invention furthermore provides a support member intended and suitable for use in a belt and tread drum according to the invention.
- Figure 1 shows a perspective view of a part of a belt and tread drum according to the invention, which for reasons of illustration includes several types of support surfaces according to the invention;
- Figure 2 shows a cross section of a first embodiment of a support member according to the invention
- Figure 3 shows a cross-section of a second possible embodiment of a support member according to the invention
- Figure 4 shows a view according to IV in figure 2.
- Figure 5 shows a view according to V in figure 3.
- the belt and tread drum 1 shown in part in figure 1 has a support/drive shaft 2, which with means that are not further shown can be rotated very fast in the direction A.
- the drum surface 3 consists of segments, namely support members 4, in which magnets are accommodated. During the fast rotation of the drum 1 , said magnets are able to retain tyre components (not shown) that have been arranged on the drum surface 3. This is known per se.
- the support members 4 are detachably attached to the drum 1 .
- the support member 4a of figure 2 comprises an aluminium body 5a, which at the upper side as considered in the drawing, that is the radial outside of the drum, defines a closed surface. From the side B recesses formed in the aluminium body 5a are accessible, which recesses in fact form blind holes 40. In said recesses 40 a pair of steel trays 8a are accommodated, in which magnets 7a are attached with glue. The upper surface 6 of the magnets 7a is aligned with the upper surface of the tray 8a in question. A support surface 1 1 a forming a unity with the aluminium body 5a extends over it. It can be seen that the magnets 7a and the trays 8a are confined to the outside by the aluminium material due to the aluminium thus continuing over them.
- the trays 8a are fitted within steps 1 8a, 1 9a in the aluminium body 5a.
- a glue layer 9 is applied to secure, the trays 8a in the aluminium body 5a, wherein the glue may extend up to the surfaces 1 2a, 1 3a of the steps 1 8a, 1 9a.
- the support member 4a is shown with holes 22 for mounting on the drum 3, and with holes 21 by which means an additional series of support members 4a can be attached on the already present support members 4a and can be removed from them again, if an increase/reduction of the diameter of the drum 3 is desired.
- the aluminium body 5b does not form blind holes, but through-holes. Holes are now limited at the location of the outer surface by shoulders 1 8b, 1 9b, that are provided with inclined planes 14, which inclined planes are able to cooperate with inclined planes 1 5 formed at the edges of the trays 8b.
- the trays 8b themselves are provided with slightly tapering walls 30, in between which the magnets 7b, shaped correspondingly inclined, have been inserted in longitudinal direction. The magnets 7b are thus stopped radially to the outside by wedge action, and the holders 8b are also stopped radially to the outside due to contact between the inclined planes 14 and 1 5.
- the holders 8b with magnets 7b are inserted into the aluminium body 5b from the inside in the direction B, and subsequently secured with glue 9.
- a support member 4b as shown in figure 5 is for instance thus achieved, which in the same manner as support member 4a can be secured on the drum 1 .
- the surface 6 of the magnet 7b will extend into the surface of the aluminium body 5b. No marking is necessary then, as can be seen in figure 1 .
- figure 2 can be supplemented by the way of confining a magnet according to figure 3.
- the aluminium body itself forms a wedge-shaped confinement for the magnets, and a step or wedge plane for the confinement of the holders for the magnets.
- support members 4c and 4d comparable to support member 4a can be arranged on the drum 1 , wherein the location of the magnets is shifted in shaft direction.
- This arrangement has to do with the diamond shape of the tyre components, wherein there is question of a tapering leading end and a tapering trailing end. By means of the markings 20 the operator is able to correctly position the tapering leading end.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Tyre Moulding (AREA)
- Tires In General (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Paper (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004553293A JP4409437B2 (en) | 2002-11-20 | 2003-11-19 | Belt and tread drum |
DE60306804T DE60306804T2 (en) | 2002-11-20 | 2003-11-19 | BELT AND PROFILE DRUM |
US10/535,751 US7503367B2 (en) | 2002-11-20 | 2003-11-19 | Belt and tread drum |
AU2003282628A AU2003282628A1 (en) | 2002-11-20 | 2003-11-19 | Belt and tread drum |
EP03774390A EP1567323B1 (en) | 2002-11-20 | 2003-11-19 | Belt and tread drum |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1021958 | 2002-11-20 | ||
NL1021958A NL1021958C2 (en) | 2002-11-20 | 2002-11-20 | Belt and tread drum. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004045839A1 true WO2004045839A1 (en) | 2004-06-03 |
Family
ID=30439556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NL2003/000814 WO2004045839A1 (en) | 2002-11-20 | 2003-11-19 | Belt and tread drum |
Country Status (11)
Country | Link |
---|---|
US (1) | US7503367B2 (en) |
EP (1) | EP1567323B1 (en) |
JP (1) | JP4409437B2 (en) |
KR (1) | KR101044644B1 (en) |
CN (1) | CN100522580C (en) |
AT (1) | ATE332801T1 (en) |
AU (1) | AU2003282628A1 (en) |
DE (1) | DE60306804T2 (en) |
NL (1) | NL1021958C2 (en) |
RU (1) | RU2337824C2 (en) |
WO (1) | WO2004045839A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2952849A1 (en) * | 2009-11-25 | 2011-05-27 | Michelin Soc Tech | DEVICE FOR ASSEMBLING PNEUMATIC BRAKE COMPRISING REMOVABLE ORGANS |
WO2011145926A1 (en) | 2010-05-18 | 2011-11-24 | Vmi Holland B.V. | Method and assembly for manufacturing a green tyre |
WO2013048244A1 (en) * | 2011-09-27 | 2013-04-04 | Vmi Holland B.V. | An assembly and a method of manufacturing a green tire and/or an uncured spring. |
WO2014049534A1 (en) | 2012-09-26 | 2014-04-03 | Pirelli Tyre S.P.A. | Method of controlling the building of a reinforcing structure for tyres, process and apparatus for producing such tyres |
EP2913182A1 (en) * | 2014-02-27 | 2015-09-02 | The Goodyear Tire & Rubber Company | Transfer ring or drum apparatus with adjustable circumference |
EP3031600A1 (en) * | 2014-12-12 | 2016-06-15 | Continental Reifen Deutschland GmbH | Device for winding of tyre components on a tyre drum |
WO2020008069A1 (en) * | 2018-07-05 | 2020-01-09 | Compagnie Generale Des Etablissements Michelin | Device for producing a pneumatic tyre, comprising needles |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008216443A (en) * | 2007-03-01 | 2008-09-18 | Ricoh Co Ltd | Magnet roller and manufacturing method therefor, magnetic particle carrier, developing device, process cartridge, and image forming apparatus |
NL2011308C2 (en) | 2013-08-15 | 2015-02-19 | Vmi Holland Bv | Belt and tread drum. |
US10265989B2 (en) * | 2015-04-21 | 2019-04-23 | Think Laboratory Co. Ltd | Functional cylinder body and manufacturing method therefor |
CN107839266B (en) * | 2017-11-30 | 2024-04-16 | 萨驰智能装备股份有限公司 | Drum shoe and tread drum |
WO2022120117A2 (en) * | 2020-12-03 | 2022-06-09 | Davian Enterprises, Llc (Dba Wyko Tire Technologies) | Expandable belt and tread drum with magnetic deck fixing |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175870B (en) * | 1961-09-23 | 1964-08-13 | Continental Gummi Werke Ag | Building drum for producing tire carcasses |
US4923554A (en) * | 1987-08-20 | 1990-05-08 | Bridgestone Corporation | Forming drum for building a tire |
US5066354A (en) * | 1990-05-25 | 1991-11-19 | Cooper Tire And Rubber Company | Building drum for a tire belt-tread stock package |
JPH0865929A (en) * | 1994-08-19 | 1996-03-08 | Japan Servo Co Ltd | Rotor of rotating-magnet motor |
JPH10191586A (en) * | 1996-12-26 | 1998-07-21 | Japan Servo Co Ltd | Rotor of motor having magnet |
JP2002361758A (en) * | 2001-06-12 | 2002-12-18 | Sumitomo Rubber Ind Ltd | Belt molding drum |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3721189A (en) * | 1971-06-28 | 1973-03-20 | Magna Graphics Corp | Magnetic print cylinder |
US5938579A (en) * | 1997-07-16 | 1999-08-17 | Cavazos; Arnold B. | Magnetic roller |
DE19802786A1 (en) * | 1998-01-26 | 1999-07-29 | Bosch Gmbh Robert | Synchronous machine, especially generator or motor for a car |
US6603232B2 (en) * | 2001-11-02 | 2003-08-05 | Electric Boat Corporation | Permanent magnet retaining arrangement for high speed rotors |
US6548932B1 (en) * | 2001-10-31 | 2003-04-15 | Electric Boat Corporation | Nonmagnetic magnet retention channel arrangement for high speed rotors |
-
2002
- 2002-11-20 NL NL1021958A patent/NL1021958C2/en not_active IP Right Cessation
-
2003
- 2003-11-19 KR KR1020057009193A patent/KR101044644B1/en active IP Right Grant
- 2003-11-19 DE DE60306804T patent/DE60306804T2/en not_active Expired - Lifetime
- 2003-11-19 EP EP03774390A patent/EP1567323B1/en not_active Expired - Lifetime
- 2003-11-19 WO PCT/NL2003/000814 patent/WO2004045839A1/en active IP Right Grant
- 2003-11-19 JP JP2004553293A patent/JP4409437B2/en not_active Expired - Lifetime
- 2003-11-19 RU RU2005119165/12A patent/RU2337824C2/en active
- 2003-11-19 CN CNB2003801072223A patent/CN100522580C/en not_active Expired - Lifetime
- 2003-11-19 AT AT03774390T patent/ATE332801T1/en not_active IP Right Cessation
- 2003-11-19 US US10/535,751 patent/US7503367B2/en active Active
- 2003-11-19 AU AU2003282628A patent/AU2003282628A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175870B (en) * | 1961-09-23 | 1964-08-13 | Continental Gummi Werke Ag | Building drum for producing tire carcasses |
US4923554A (en) * | 1987-08-20 | 1990-05-08 | Bridgestone Corporation | Forming drum for building a tire |
US5066354A (en) * | 1990-05-25 | 1991-11-19 | Cooper Tire And Rubber Company | Building drum for a tire belt-tread stock package |
JPH0865929A (en) * | 1994-08-19 | 1996-03-08 | Japan Servo Co Ltd | Rotor of rotating-magnet motor |
JPH10191586A (en) * | 1996-12-26 | 1998-07-21 | Japan Servo Co Ltd | Rotor of motor having magnet |
JP2002361758A (en) * | 2001-06-12 | 2002-12-18 | Sumitomo Rubber Ind Ltd | Belt molding drum |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07 31 July 1996 (1996-07-31) * |
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) * |
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 04 2 April 2003 (2003-04-02) * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2952849A1 (en) * | 2009-11-25 | 2011-05-27 | Michelin Soc Tech | DEVICE FOR ASSEMBLING PNEUMATIC BRAKE COMPRISING REMOVABLE ORGANS |
WO2011064500A1 (en) * | 2009-11-25 | 2011-06-03 | Societe De Technologie Michelin | Tyre blank assembly device including removable members |
US9044908B2 (en) | 2009-11-25 | 2015-06-02 | Compagnie Generale Des Etablissements Michelin | Tire blank assembly device including removable members |
WO2011145926A1 (en) | 2010-05-18 | 2011-11-24 | Vmi Holland B.V. | Method and assembly for manufacturing a green tyre |
WO2013048244A1 (en) * | 2011-09-27 | 2013-04-04 | Vmi Holland B.V. | An assembly and a method of manufacturing a green tire and/or an uncured spring. |
RU2560397C1 (en) * | 2011-09-27 | 2015-08-20 | Вми Холланд Б.В. | Unit and method of fabrication of uncured tire and/or uncured spring |
US9527255B2 (en) | 2011-09-27 | 2016-12-27 | Vmi Holland B.V. | Assembly and a method of manufacturing a green tire and/or an uncured spring |
WO2014049534A1 (en) | 2012-09-26 | 2014-04-03 | Pirelli Tyre S.P.A. | Method of controlling the building of a reinforcing structure for tyres, process and apparatus for producing such tyres |
EP2913182A1 (en) * | 2014-02-27 | 2015-09-02 | The Goodyear Tire & Rubber Company | Transfer ring or drum apparatus with adjustable circumference |
EP3031600A1 (en) * | 2014-12-12 | 2016-06-15 | Continental Reifen Deutschland GmbH | Device for winding of tyre components on a tyre drum |
WO2020008069A1 (en) * | 2018-07-05 | 2020-01-09 | Compagnie Generale Des Etablissements Michelin | Device for producing a pneumatic tyre, comprising needles |
FR3083475A1 (en) * | 2018-07-05 | 2020-01-10 | Compagnie Generale Des Etablissements Michelin | DEVICE FOR MANUFACTURING A TIRE COMPRISING NEEDLES |
Also Published As
Publication number | Publication date |
---|---|
DE60306804T2 (en) | 2007-02-01 |
JP4409437B2 (en) | 2010-02-03 |
ATE332801T1 (en) | 2006-08-15 |
AU2003282628A1 (en) | 2004-06-15 |
DE60306804D1 (en) | 2006-08-24 |
JP2006506256A (en) | 2006-02-23 |
RU2337824C2 (en) | 2008-11-10 |
RU2005119165A (en) | 2006-01-20 |
US20060127519A1 (en) | 2006-06-15 |
CN100522580C (en) | 2009-08-05 |
KR20050085094A (en) | 2005-08-29 |
EP1567323B1 (en) | 2006-07-12 |
CN1729096A (en) | 2006-02-01 |
NL1021958C2 (en) | 2003-11-27 |
EP1567323A1 (en) | 2005-08-31 |
KR101044644B1 (en) | 2011-06-29 |
US7503367B2 (en) | 2009-03-17 |
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