Device and method for personalizing tires

• US 5,288,449 A
• Filed: 06/24/1992
• Issued: 02/22/1994
• Est. Priority Date: 06/24/1992
• Status: Expired due to Fees

• Current Assignee: Customized Tire Group Incorporated
• Original Assignee: Charles R. Mauro
• Inventors: Mauro, Charles R.
• Primary Examiner(s): Thurlow, Jeffery
• Assistant Examiner(s): VARGOT, MATHIEU D
• Application Number:
  US07/904,189
• Time in Patent Office: 608 Days
• Field of Search: 264/248, 264/259, 264/236, 264/347, 264/328.2, 264/328.3, 264/DIG. 46, 264/219, 156/116, 156/421.6, 425/543, 425/DIG. 13
• US Class Current: 264/219
• CPC Class Codes: B29C 2035/0211 resistance heating B29C2035/0811 takes precedence
• CPC Class Codes: B29C 2037/80 Identifying, e.g. coding, dating, marking, numbering
• CPC Class Codes: B29C 33/303 centering mould parts or halves, e.g. during mounting
• CPC Class Codes: B29C 33/424 Moulding surfaces provided with means for marking or patterning for injection moulding B29C45/372
• CPC Class Codes: B29C 45/14 incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles B29C45/1671 takes precedence
• CPC Class Codes: B29C 45/372 provided with means for marking or patterning, e.g. numbering articles
• CPC Class Codes: B29C 70/74 Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding B29C70/845 takes precedence
• CPC Class Codes: B29D 2030/728 Decorating or marking the sidewalls after tyre vulcanization protecting, decorating, marking tyre sidewalls B60C13/00
• CPC Class Codes: B29D 30/72 Side-walls
• CPC Class Codes: B29K 2105/24 crosslinked or vulcanised
• CPC Class Codes: B29L 2030/00 Pneumatic or solid tyres or parts thereof conveyor belts B29L2031/7092; drive belts B29L2031/7094; fourdrinier belts B29L2031/733
• CPC Class Codes: Y10S 264/46 Molding using an electrical heat
• CPC Class Codes: Y10S 425/013 Electric heat

Abstract

A device for producing raised lettering on elastomeric tires is provided. The device includes a mold member sized and shaped to receive at least a portion of the sidewall of an elastomeric tire. A channel is disposed along the interior surface of the mold member. A plurality of insert members for positioning in the channel are provided with each insert member having a face engraved with the mirror image of a pre-selected alpha-numeric symbol to form a female alpha-numeric mold therein. A tracking mechanism is positioned along the channel to align and positionally maintain the insert members therein to form a series of symbols into a preselected legend or marking. Finally, a mechanism is provided for injecting heated vulcanizing rubber into the symbol molds as the sidewall of the elastomeric tire is in contact with the faces of the insert members and to fuse the injected rubber to the sidewall to produce raised alpha-numeric lettering of a preselected pattern on the sidewall of the tire.

Claims

1. A device for producing raised lettering on elastomeric tires comprising:

a mold member sized and shaped to receive at least a portion of the sidewall of an elastomeric tire;

a channel disposed along the interior surface of said mold member;

a plurality of insert members for positioning in said channel, each said insert member having a face engraved with the mirror image of a preselected alphanumeric symbol to form a female alphanumeric mold therein;

a pair of tracking members positioned along the interior opposite sides of said channel for engagement with said insert members to align and positionally maintain said insert members therein to form a series of symbols into a preselected legend;

means for injecting heated vulcanizing rubber into said symbol molds as the sidewall of said elastomeric tire is in contact with the faces of said insert members; and

an electrical heating element imbedded in and disposed along the length of said mold member proximate said channel to heat said insert members to fuse said injected rubber directly to said tire sidewall to produce raised alphanumeric lettering of a preselected pattern on the sidewall of said tire.

2. The device as claimed in claim 1, wherein said mold member is annularly shaped and sized to receive approximately one-half of said elastomeric tire sidewall.

3. The device as claimed in claim 1, wherein said channel is disposed along the central portion of said mold member to center said preselected pattern of lettering along said sidewall.

4. The device as claimed in claim 1, wherein each said insert member includes a pair of grooves defined on opposite sides thereof sized and shaped for engagement with said tracking members to permit sliding engagement and movement along said channel to position said insert members along said channel.

5. The device as claimed in claim 1, wherein said device further includes a plurality of spacer insert members having planar faces without engraving for providing selective spacing between symbols and alphanumeric lettering.

6. The device as claimed in claim 1, wherein said electrical heating element comprises a heating coil imbedded in said mold member adjacent said channel.

7. A device for personalizing existing vehicular tires comprising:

a curved mold member sized and shaped to receive a portion of the sidewall of an elastomeric vehicular tire, said mold member defining a central slot having side surfaces and a bottom surface along the inner face thereof;

a plurality of symbol bearing members sized and shaped for positioning within said slot, each said member including a mirror-imaged alphanumeric symbol engraved in the face thereof to form a female alphanumeric mold;

a plurality of spacer members sized and shaped for selective positioning in said slot to form preselected spacing between said symbols or series of symbols;

means disposed along said slot side surface for guiding said symbol bearing members and said spacer members to position and maintain said members in said slot relative to each other;

means for injecting vulcanizing rubber into said female alphanumeric molds; and

an electrical heating element imbedded in said mold member and disposed proximate said slot bottom surface adapted for heating said symbol bearing members to fuse said injected rubber directly against the sidewall of a vehicular tire placed in said curved mold member along the inner face thereof to form raised alphanumeric letters on said sidewall in accordance with a preselected pattern to personalize said tire.

8. The device as claimed in claim 7, wherein said curved mold member is sized to receive approximately one-half of the sidewall of said vehicular tire.

9. The device as claimed in claim 7, wherein said symbol bearing members and said spacer members comprise blocks adapted for placement within said slot.

10. The device as claimed in claim 9, wherein said guiding means comprises means for sliding said blocks into and within said slot.

11. The device as claimed in claim 10, wherein said sliding means comprises a tongue and groove arrangement between said blocks and said slot.

12. The device as claimed in claim 11, wherein said tongue comprises a pair of tracks with one said track disposed along each said side surface of said slot, and said groove comprises a pair of notches disposed along opposite sides of each said block for engagement with said tracks.

13. The device as claimed in claim 7, wherein said electrical heating element comprises a heating coil disposed in said mold member immediately adjacent said slot bottom surface to heat said symbol bearing members.

14. A method for producing raised alphanumeric lettering on existing elastomeric tire sidewalls comprising the steps of:

engraving mirror-image alphanumeric symbols in the face surface of a plurality of insert members, each said member having a single symbol;

sliding a plurality of said removable insert members along a slot disposed in a mold adapted to receive a portion of said tire sidewall, said insert members representing a preselected pattern of symbols with said mold including an electrical heating element imbedded therein;

injecting vulcanizing rubber into said engraved symbols;

placing said tire sidewall in said mold against said insert members;

heating said insert members with said electrical heating element to fuse said injected rubber directly against said original tire sidewall; and

removing said tire from said mold thereby generating raised alphanumeric lettering in accordance with said pattern.