US20030084982A1 - Method for making an anti-static tire tread - Google Patents
Method for making an anti-static tire tread Download PDFInfo
- Publication number
- US20030084982A1 US20030084982A1 US10/235,474 US23547402A US2003084982A1 US 20030084982 A1 US20030084982 A1 US 20030084982A1 US 23547402 A US23547402 A US 23547402A US 2003084982 A1 US2003084982 A1 US 2003084982A1
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- US
- United States
- Prior art keywords
- set forth
- pins
- tire tread
- electrically conductive
- wheel
- 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.)
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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)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/08—Electric-charge-dissipating arrangements
-
- 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)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D2030/526—Unvulcanised treads, e.g. on used tyres; Retreading the tread comprising means for discharging the electrostatic charge, e.g. conductive elements or portions having conductivity higher than the tread rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0005—Conductive
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S152/00—Resilient tires and wheels
- Y10S152/02—Static discharge
Definitions
- the present invention relates to a method for making an anti-static tire tread and a machine for performing this method.
- the present invention provides a method for making an anti-static tire tread comprising the steps of coating a pin with an electrically conductive material, piercing the tire tread with the coated pin to form an opening, and withdrawing the pin from the now-formed opening in the tire tread.
- the electrically conductive material remains within the opening during the withdrawing step so that an electrically conductive body is formed in the tire tread.
- the electrically conductive material can be a liquid (e.g., carbon black mix in a volatile liquid) that forms an electrically conductive body upon evaporation.
- the electrically conductive material can be a dry mixture, such as powder (e.g., carbon black mix powder).
- the coating, piercing and withdrawing steps can be continuously repeated and a plurality of pins can be sequentially coated, used to pierce the tire tread, and then withdrawn.
- the plurality of pins can be mounted on the circumference of a wheel which is turned by movement of the tire tread, preferably at fixed distances so that piercing will occur at regular intervals.
- the pins can be attached to an adapter rim for the wheel and can comprise the distal portion of screws threaded into openings on the rim or posts press-fit into openings on the rim.
- the pins can be arranged in a single row or in a plurality of staggered or aligned rows.
- a transfer reel which is turned by rotation of the wheel, can be used to coat the pins prior to the piercing step.
- the piercing step can be performed on a central region of the tire tread and in such a manner that the electrically conductive body can form a continuous electrical path (or a bridge) between a rolling surface and a carcass of a tire.
- FIGS. 1 A- 1 D are schematic views of the steps of a method of introducing a conductive material into a tire tread according to the present invention.
- FIG. 2 is a schematic view of a tire tread into which conductive material has been introduced by the method of the present invention.
- FIG. 3 is a top view of a machine for making an anti-static tire tread according to the present invention.
- FIG. 4 is a front view of the machine.
- FIG. 5 is an isolated front view of a part of the machine, namely an adapter rim.
- FIG. 6 is an enlarged portion of FIG. 5.
- FIG. 7 is an isolated front view of another adapter rim.
- FIG. 8 is an enlarged portion of FIG. 7.
- FIGS. 9 A- 9 C are top views of alternate forms of the adapter rim.
- FIGS. 1 A- 1 D a method of making an anti-static tire tread according to the present invention is shown.
- a pin 10 is coated with an electrically conductive material M.
- FIG. 1A. The coated pin pierces an extruded tire tread to form an opening 12 of the desired depth.
- FIG. 1B. The coated pin 10 is then withdrawn and the material M remains in the pierced opening 12 of the tire tread T.
- FIG. 1C. If the conductive material M is a liquid (e.g., carbon black mix in a volatile liquid) it forms a conductive body 14 upon evaporation.
- the conductive material M is a dry mixture (e.g., carbon black mix powder)
- the powder remains in the pierced opening 12 to form the electrically conductive body 14 .
- the pin 10 can then be re-coated with the material M and the cycle repeated to produce a plurality of conductive bodies 14 .
- each electrically conducting body 14 is made from a carbon black mix with an electrical resistivity of less than 109 ohms ⁇ cm.
- the machine 20 comprises a frame 22 , a wheel assembly 24 , and a supply system 26 .
- the frame 22 positions the wheel assembly 24 above a conveyor 28 for the tire tread T.
- the wheel assembly 24 supports the pins 10 and moves them to perform the piercing and withdrawing steps.
- the supply system 26 coats the pins 10 with the electrically conductive material M prior to the piercing and withdrawing steps.
- the illustrated frame 22 comprises end members 32 positioned on either side of the conveyor 28 , shafts 34 extending between the end members 32 , and a top member 36 extending between the shafts 34 .
- the top member 36 can be selectively slidable on the shafts 34 for transverse positioning of the wheel assembly 24 relative to the tire tread T.
- the frame 22 can include a lift for raising and lowering the wheel assembly 24 relative to the conveyor 28 .
- the illustrated lift comprises a lift bar 38 , a cylinder 40 coupled to the lift bar 38 , and guide rods 42 attached to the lift bar 38 and slidably received by the top frame member 36 .
- the wheel assembly 24 comprises a wheel 44 and a spindle 46 rotatably mounting the wheel 34 to the lift bar 38 .
- the wheel 44 is positioned relative the tread conveyor 28 so that it will be turned by the action of the tread T passing therebeneath.
- the pins 10 are mounted on the circumference of the wheel 44 at fixed distances so that the turning of the wheel 44 will cause the pins 10 to pierce the tread T at regular intervals.
- the pins 10 are part of an adapter rim 48 which is wrapped around the wheel 44 .
- the pins 10 can comprise the distal portions of posts 50 which are friction fit into openings 52 in the rim 48 .
- the pins 10 can comprise the distal portions of socket head cap screws 50 and the openings 52 in the rim 48 can be threaded and counterbored for receipt thereof.
- the pins 10 can be arranged in a single row (FIG. 9A) or a plurality of rows (FIGS. 9B and 9C). If arranged in a plurality of rows, the pins 10 can be transversely aligned (FIG. 9B) or staggered (FIG. 9C). In any case, the pins 10 can be textured to facilitate the coating process.
- the supply system 26 comprises a tank 60 , a bracket 62 that fixedly mounts the tank 60 to the lift bar 38 , a transfer reel 64 , and a spindle 66 that rotatably mounts the reel 64 to the lift bar 38 .
- the tank 60 contains the electrically conductive material M and a belt 68 connects the spindle 46 to the spindle 66 so that turning of the wheel 44 will result in rotation of the reel 64 .
- the transfer reel 64 includes a slot which captures the material M as it passes through the tank 60 and which receives the pins 10 as the reel 64 passes by the wheel 44 .
- the wheel 44 is turned.
- the transfer reel 64 also rotates whereby the material M from the tank 60 is coated on the pins 10 .
- the turning of the wheel 44 also causes the coated pins 10 to pierce the tread T at regular intervals, and, further turning of the wheel 44 causes the pin 10 to be withdrawn with the material M remaining in the pierced opening.
- the pins are re-coated with the material M and the cycle repeated.
Abstract
A method of providing an extruded tire tread (T) with anti-static properties. In this method, a pin (10) is coated with an electrically conductive material (M). The coated pin (10) pierces the tire tread (T) to form an opening (12) of the desired depth and then is withdrawn. During withdrawal of the pin (10), the material (M) remains in the pierced opening (12) so that a conductive body (14) is formed in the tire tread (T). The pin (10) can then be re-coated with the material (M) and the cycle repeated to produce a plurality of conductive bodies (14) in the tire tread (T).
Description
- This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Patent Application No. 60/317,000 filed on Sep. 4, 2001. The entire disclosure of this earlier application is hereby incorporated by reference.
- The present invention relates to a method for making an anti-static tire tread and a machine for performing this method.
- During operation of a vehicle, electric charge can be conducted to earth through the tires provided that the tires have a sufficient level of conductivity. Without this conductivity, a moving vehicle is susceptible to the build-up of static electric charge which can negatively affect electronic circuitry, interfere with radio reception, create unwanted sparks, and/or cause personal discomfort. Tires are constructed of natural and synthetic rubbers which are electrical insulators. Accordingly, conductive materials (e.g., carbon black mix) are commonly introduced into a tire to increase its electrical conductivity and thereby avoid the build-up of static electric charge. For example, in a method disclosed in U.S. Pat. No. 6,183,581, a carbon black mix in a volatile liquid is poured into through-holes in a central region of a tire tread. When the volatile liquid evaporates, the carbon black mix is left inside the holes to create electrically conducting bodies which form electrical bridges between the tire's rolling surface and its carcass. The entire disclosure of this patent is hereby incorporated by reference.
- The present invention provides a method for making an anti-static tire tread comprising the steps of coating a pin with an electrically conductive material, piercing the tire tread with the coated pin to form an opening, and withdrawing the pin from the now-formed opening in the tire tread. The electrically conductive material remains within the opening during the withdrawing step so that an electrically conductive body is formed in the tire tread. The electrically conductive material can be a liquid (e.g., carbon black mix in a volatile liquid) that forms an electrically conductive body upon evaporation. Alternatively, the electrically conductive material can be a dry mixture, such as powder (e.g., carbon black mix powder).
- The coating, piercing and withdrawing steps can be continuously repeated and a plurality of pins can be sequentially coated, used to pierce the tire tread, and then withdrawn. For example, the plurality of pins can be mounted on the circumference of a wheel which is turned by movement of the tire tread, preferably at fixed distances so that piercing will occur at regular intervals. The pins can be attached to an adapter rim for the wheel and can comprise the distal portion of screws threaded into openings on the rim or posts press-fit into openings on the rim. The pins can be arranged in a single row or in a plurality of staggered or aligned rows. A transfer reel, which is turned by rotation of the wheel, can be used to coat the pins prior to the piercing step.
- The piercing step can be performed on a central region of the tire tread and in such a manner that the electrically conductive body can form a continuous electrical path (or a bridge) between a rolling surface and a carcass of a tire.
- These and other features of the invention are fully described and particularly pointed out in the claims. The following descriptive annexed drawings set forth in detail a certain illustrative embodiment of the invention, this embodiment being indicative of but one of the various ways in which the principles of the invention may be employed.
- FIGS.1A-1D are schematic views of the steps of a method of introducing a conductive material into a tire tread according to the present invention.
- FIG. 2 is a schematic view of a tire tread into which conductive material has been introduced by the method of the present invention.
- FIG. 3 is a top view of a machine for making an anti-static tire tread according to the present invention.
- FIG. 4 is a front view of the machine.
- FIG. 5 is an isolated front view of a part of the machine, namely an adapter rim.
- FIG. 6 is an enlarged portion of FIG. 5.
- FIG. 7 is an isolated front view of another adapter rim.
- FIG. 8 is an enlarged portion of FIG. 7.
- FIGS.9A-9C are top views of alternate forms of the adapter rim.
- Referring now to the drawings, and initially to FIGS.1A-1D, a method of making an anti-static tire tread according to the present invention is shown. In this method, a
pin 10 is coated with an electrically conductive material M. (FIG. 1A.) The coated pin pierces an extruded tire tread to form anopening 12 of the desired depth. (FIG. 1B.) The coatedpin 10 is then withdrawn and the material M remains in thepierced opening 12 of the tire tread T. (FIG. 1C.) If the conductive material M is a liquid (e.g., carbon black mix in a volatile liquid) it forms aconductive body 14 upon evaporation. If the conductive material M is a dry mixture (e.g., carbon black mix powder), the powder remains in the piercedopening 12 to form the electricallyconductive body 14. (FIG. 1D.) Thepin 10 can then be re-coated with the material M and the cycle repeated to produce a plurality ofconductive bodies 14. - Referring now to FIG. 2, a central region the tire tread T is shown after a plurality of
conductive bodies 14 have been formed therein. The electrically conductingbodies 14 are uniformly spaced and of a sufficient depth so that they will form a continuous electrical path between the rolling surface and the carcass of the tire. In the preferred embodiment, each electrically conductingbody 14 is made from a carbon black mix with an electrical resistivity of less than 109 ohms×cm. - Referring additionally to FIGS. 3 and 4, a
machine 20 for performing the methods of the present invention is shown. Themachine 20 comprises aframe 22, awheel assembly 24, and asupply system 26. Theframe 22 positions thewheel assembly 24 above aconveyor 28 for the tire tread T. Thewheel assembly 24 supports thepins 10 and moves them to perform the piercing and withdrawing steps. Thesupply system 26 coats thepins 10 with the electrically conductive material M prior to the piercing and withdrawing steps. - The illustrated
frame 22 comprisesend members 32 positioned on either side of theconveyor 28,shafts 34 extending between theend members 32, and atop member 36 extending between theshafts 34. Thetop member 36 can be selectively slidable on theshafts 34 for transverse positioning of thewheel assembly 24 relative to the tire tread T. Theframe 22 can include a lift for raising and lowering thewheel assembly 24 relative to theconveyor 28. For example, the illustrated lift comprises alift bar 38, acylinder 40 coupled to thelift bar 38, and guiderods 42 attached to thelift bar 38 and slidably received by thetop frame member 36. - The
wheel assembly 24 comprises awheel 44 and aspindle 46 rotatably mounting thewheel 34 to thelift bar 38. Thewheel 44 is positioned relative thetread conveyor 28 so that it will be turned by the action of the tread T passing therebeneath. Thepins 10 are mounted on the circumference of thewheel 44 at fixed distances so that the turning of thewheel 44 will cause thepins 10 to pierce the tread T at regular intervals. - In the illustrated embodiment, the
pins 10 are part of anadapter rim 48 which is wrapped around thewheel 44. Thepins 10 can comprise the distal portions ofposts 50 which are friction fit intoopenings 52 in therim 48. (See FIGS. 5 and 6.) Alternatively, thepins 10 can comprise the distal portions of socket head cap screws 50 and theopenings 52 in therim 48 can be threaded and counterbored for receipt thereof. (FIGS. 7 and 8.) Thepins 10 can be arranged in a single row (FIG. 9A) or a plurality of rows (FIGS. 9B and 9C). If arranged in a plurality of rows, thepins 10 can be transversely aligned (FIG. 9B) or staggered (FIG. 9C). In any case, thepins 10 can be textured to facilitate the coating process. - The
supply system 26 comprises atank 60, abracket 62 that fixedly mounts thetank 60 to thelift bar 38, atransfer reel 64, and aspindle 66 that rotatably mounts thereel 64 to thelift bar 38. Thetank 60 contains the electrically conductive material M and abelt 68 connects thespindle 46 to thespindle 66 so that turning of thewheel 44 will result in rotation of thereel 64. Thetransfer reel 64 includes a slot which captures the material M as it passes through thetank 60 and which receives thepins 10 as thereel 64 passes by thewheel 44. - Accordingly, as the tread T is linearly moved by the
conveyor 28, thewheel 44 is turned. As thewheel 44 turns, thetransfer reel 64 also rotates whereby the material M from thetank 60 is coated on thepins 10. The turning of thewheel 44 also causes thecoated pins 10 to pierce the tread T at regular intervals, and, further turning of thewheel 44 causes thepin 10 to be withdrawn with the material M remaining in the pierced opening. As thewheel 44 continues to turn, the pins are re-coated with the material M and the cycle repeated. - Although the invention has been shown and described with respect to a certain preferred embodiment, obvious and/or equivalent alterations and modifications will occur to others skilled in the art upon the reading and understanding of this specification. The present invention includes all such equivalent alterations and modifications and is limited only by the scope of the following claims.
Claims (31)
1. A method for making an antistatic tire tread, said method comprising the steps of:
coating a pin with an electrically conductive material;
piercing an extruded tire tread with the coated pin to form an opening; and
withdrawing the pin from the now-formed opening in the tire tread;
wherein the material remains within the opening during the withdrawing step so that an electrically conductive body is formed in the tire tread.
2. A method as set forth in claim 1 , wherein the electrically conductive material is a liquid.
3. A method as set forth in claim 2 , wherein the liquid electrically conductive material forms an electrically conductive body upon evaporation.
4. A method as set forth in claim 3 , wherein the electrically conductive material comprises a carbon black mix in a volatile liquid and wherein the volatile liquid evaporates to form the electrically conductive body in the tire tread.
5. A method as set forth in claim 1 , wherein the electrically conductive material is a dry mixture.
6. A method as set forth in claim 4 , wherein the electrically conductive material is a powder.
7. A method as set forth in claim 6 , wherein the powder comprises a carbon black mix.
8. A method as set forth in claim 1 , further comprising the step of re-coating the pin with the material and then repeating the piercing and withdrawing steps.
9. A method as set forth in claim 8 , comprising continuously repeating the re-coating, piercing and withdrawing steps.
10. A method as set forth in claim 1 , wherein the piercing step is performed on a central region of the tire tread.
11. A method as set forth in claim 10 , wherein the piercing step is performed so that the electrically conductive body can form a continuous electrical path between a rolling surface and a carcass of a tire.
12. A method as set forth in claim 1 , wherein the piercing step is performed so that the electrically conductive body can form a continuous electrical path between a rolling surface and a carcass of a tire.
13. A method as set forth in claim 1 , further comprising the steps of sequentially coating a plurality of pins with the electrically conductive material, sequentially piercing the tire tread with the coated pins to form openings, and sequentially withdrawing the pins.
14. A method as set forth in claim 8 , wherein said piercing and withdrawing steps are performed by mounting the plurality of pins on a wheel.
15. A method as set forth in claim 14 , wherein the wheel is turned by movement of the tire tread.
16. A method as set forth in claim 15 , wherein said plurality of pins are mounted on a circumference of the wheel at fixed distances so that turning of the wheel will cause the pins to pierce the tire tread at regular intervals.
17. A method as set forth in claim 16 , wherein the pins are arranged in a single row.
18. A method as set forth in claim 16 , wherein the pins are arranged in a plurality of rows.
19. A method as set forth in claim 18 , wherein the pins are transversely aligned.
20. A method as set forth in claim 18 , wherein the pins are transversely staggered.
21. A machine for performing the method of claim 14 , said machine comprising:
a wheel on which the pins are mounted;
a frame which positions the wheel adjacent a conveyor for the tire tread; and
a supply system which coats the pins with the electrically conductive material.
22. A machine as set forth in claim 21 , wherein movement of the tire tread on the conveyor causes the wheel to turn.
23. A machine as set forth in claim 21 , wherein the pins are fixedly mounted to an adapter rim attached to the wheel.
24. A machine as set forth in claim 23 , wherein the pins comprise distal portions of posts which are friction fit into openings in the rim.
25. A machine as set forth in claim 23 , wherein the pins comprise distal portions of screws which threaded into openings in the rim.
26. A machine as set forth in claim 23 , wherein the pins are arranged in a single row.
27. A method as set forth in claim 23 , wherein the pins are arranged in a plurality of rows.
28. A method as set forth in claim 27 , wherein the pins are transversely aligned.
29. A method as set forth in claim 27 , wherein the pins are transversely staggered.
30. A method as set forth in claim 27 , wherein the pins are textured to facilitate the coating process.
31. A machine as set forth in claim 21 , wherein the supply system comprises a transfer reel rotatably mounted to the frame by a spindle and wherein the spindle for the wheel is coupled to the spindle for the transfer reel so that turning of the wheel causes rotation of the transfer reel.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US10/235,474 US20030084982A1 (en) | 2001-09-04 | 2002-09-04 | Method for making an anti-static tire tread |
US11/451,211 US7610873B2 (en) | 2001-09-04 | 2006-06-12 | Machine for making an anti-static tire tread |
US12/568,037 US8074595B2 (en) | 2001-09-04 | 2009-09-28 | Machine for making an anti-static tire tread |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US31700001P | 2001-09-04 | 2001-09-04 | |
US10/235,474 US20030084982A1 (en) | 2001-09-04 | 2002-09-04 | Method for making an anti-static tire tread |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/451,211 Division US7610873B2 (en) | 2001-09-04 | 2006-06-12 | Machine for making an anti-static tire tread |
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US20030084982A1 true US20030084982A1 (en) | 2003-05-08 |
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US10/235,474 Abandoned US20030084982A1 (en) | 2001-09-04 | 2002-09-04 | Method for making an anti-static tire tread |
US11/451,211 Expired - Fee Related US7610873B2 (en) | 2001-09-04 | 2006-06-12 | Machine for making an anti-static tire tread |
US12/568,037 Expired - Lifetime US8074595B2 (en) | 2001-09-04 | 2009-09-28 | Machine for making an anti-static tire tread |
Family Applications After (2)
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US11/451,211 Expired - Fee Related US7610873B2 (en) | 2001-09-04 | 2006-06-12 | Machine for making an anti-static tire tread |
US12/568,037 Expired - Lifetime US8074595B2 (en) | 2001-09-04 | 2009-09-28 | Machine for making an anti-static tire tread |
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Cited By (11)
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US20030089436A1 (en) * | 2000-09-15 | 2003-05-15 | Lanzarotta Joseph M. | Conductive pathways in tire treads for reduced static charge buildup |
EP1792720A2 (en) * | 2005-12-02 | 2007-06-06 | Sumitomo Rubber Industries Ltd. | Pneumatic tire and method of manufacturing same |
US20070126246A1 (en) * | 2005-11-18 | 2007-06-07 | Aisin Seiki Kabushiki Kaisha | Vehicle door opening/closing device |
NL2006420C2 (en) * | 2011-03-18 | 2012-09-19 | Apollo Vredestein Bv | Method of manufacturing an antistatic vehicle tire and vehicle tire obtainable by the method. |
NL2006873C2 (en) * | 2011-05-31 | 2012-12-03 | Apollo Vredestein Bv | Method of manufacturing an antistatic vehicle tire and vehicle tire obtainable by the method. |
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US10894449B2 (en) | 2015-06-15 | 2021-01-19 | Bridgestone Americas Tire Operations, Llc | Tire having a conductivity path |
US11897294B2 (en) | 2015-06-15 | 2024-02-13 | Bridgestone Americas Tire Operations, Llc | Tire having a conductivity path |
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US20030084982A1 (en) * | 2001-09-04 | 2003-05-08 | Campbell William G | Method for making an anti-static tire tread |
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US20120116853A1 (en) * | 2010-11-09 | 2012-05-10 | Samir Hanna Safar | System and process for evaluation of athlete performance |
JP2017500249A (en) | 2013-12-19 | 2017-01-05 | ブリヂストン アメリカズ タイヤ オペレーションズ、 エルエルシー | Tire with electrostatic discharge element |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US7029544B2 (en) * | 2000-09-15 | 2006-04-18 | Bridgestone Firestone North American Tire, Llc | Conductive pathways in tire treads for reduced static charge buildup |
US20030089436A1 (en) * | 2000-09-15 | 2003-05-15 | Lanzarotta Joseph M. | Conductive pathways in tire treads for reduced static charge buildup |
US20070126246A1 (en) * | 2005-11-18 | 2007-06-07 | Aisin Seiki Kabushiki Kaisha | Vehicle door opening/closing device |
EP1792720A2 (en) * | 2005-12-02 | 2007-06-06 | Sumitomo Rubber Industries Ltd. | Pneumatic tire and method of manufacturing same |
EP1792720A3 (en) * | 2005-12-02 | 2008-02-27 | Sumitomo Rubber Industries Ltd. | Pneumatic tire and method of manufacturing same |
DE102006038742B4 (en) | 2006-08-17 | 2019-06-19 | Continental Reifen Deutschland Gmbh | Method and device for producing a tread of a pneumatic vehicle tire |
NL2006420C2 (en) * | 2011-03-18 | 2012-09-19 | Apollo Vredestein Bv | Method of manufacturing an antistatic vehicle tire and vehicle tire obtainable by the method. |
NL2006873C2 (en) * | 2011-05-31 | 2012-12-03 | Apollo Vredestein Bv | Method of manufacturing an antistatic vehicle tire and vehicle tire obtainable by the method. |
US11897294B2 (en) | 2015-06-15 | 2024-02-13 | Bridgestone Americas Tire Operations, Llc | Tire having a conductivity path |
US10894449B2 (en) | 2015-06-15 | 2021-01-19 | Bridgestone Americas Tire Operations, Llc | Tire having a conductivity path |
US10981423B2 (en) | 2015-12-29 | 2021-04-20 | Bridgestone Americas Tire Operations, Llc | Tire projection and housing system |
WO2017116821A1 (en) * | 2015-12-29 | 2017-07-06 | Bridgestone Americas Tire Operations, Llc | Tire projection and housing system |
CN109476102A (en) * | 2016-06-30 | 2019-03-15 | 阿蒂克投资股份有限公司 | Tire and method for manufacturing tire |
CN112590469A (en) * | 2016-06-30 | 2021-04-02 | 阿蒂克投资股份有限公司 | Tyre for vehicle wheels |
US11691370B2 (en) | 2017-12-20 | 2023-07-04 | Pirelli Tyre S.P.A. | Process and apparatus for building tyres for vehicle wheels |
WO2019123322A1 (en) * | 2017-12-20 | 2019-06-27 | Pirelli Tyre S.P.A. | Process and apparatus for building tyres for vehicle wheels |
Also Published As
Publication number | Publication date |
---|---|
US8074595B2 (en) | 2011-12-13 |
US20060231019A1 (en) | 2006-10-19 |
US7610873B2 (en) | 2009-11-03 |
US20100018456A1 (en) | 2010-01-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BRIDGESTONE/FIRESTONE NORTH AMERICAN TIRE, LLC, TE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CAMPBELL, WILLIAM G.;REEL/FRAME:013664/0463 Effective date: 20030106 |
|
STCB | Information on status: application discontinuation |
Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION |